| File: | root/firefox-clang/media/ffvpx/libavcodec/decode.c |
| Warning: | line 1787, column 14 Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret' |
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| 1 | /* |
| 2 | * generic decoding-related code |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <assert.h> |
| 22 | #include <stdint.h> |
| 23 | #include <stdbool.h> |
| 24 | #include <string.h> |
| 25 | |
| 26 | #include "config.h" |
| 27 | |
| 28 | #if CONFIG_ICONV0 |
| 29 | # include <iconv.h> |
| 30 | #endif |
| 31 | |
| 32 | #include "libavutil/avassert.h" |
| 33 | #include "libavutil/channel_layout.h" |
| 34 | #include "libavutil/common.h" |
| 35 | #include "libavutil/emms.h" |
| 36 | #include "libavutil/frame.h" |
| 37 | #include "libavutil/hwcontext.h" |
| 38 | #include "libavutil/imgutils.h" |
| 39 | #include "libavutil/internal.h" |
| 40 | #include "libavutil/mastering_display_metadata.h" |
| 41 | #include "libavutil/mem.h" |
| 42 | #include "libavutil/stereo3d.h" |
| 43 | |
| 44 | #include "avcodec.h" |
| 45 | #include "avcodec_internal.h" |
| 46 | #include "bytestream.h" |
| 47 | #include "bsf.h" |
| 48 | #include "codec_desc.h" |
| 49 | #include "codec_internal.h" |
| 50 | #include "decode.h" |
| 51 | #include "exif.h" |
| 52 | #include "exif_internal.h" |
| 53 | #include "hwaccel_internal.h" |
| 54 | #include "hwconfig.h" |
| 55 | #include "internal.h" |
| 56 | #include "lcevcdec.h" |
| 57 | #include "packet_internal.h" |
| 58 | #include "progressframe.h" |
| 59 | #include "libavutil/refstruct.h" |
| 60 | #include "thread.h" |
| 61 | #include "threadprogress.h" |
| 62 | |
| 63 | typedef struct DecodeContext { |
| 64 | AVCodecInternal avci; |
| 65 | |
| 66 | /** |
| 67 | * This is set to AV_FRAME_FLAG_KEY for decoders of intra-only formats |
| 68 | * (those whose codec descriptor has AV_CODEC_PROP_INTRA_ONLY set) |
| 69 | * to set the flag generically. |
| 70 | */ |
| 71 | int intra_only_flag; |
| 72 | |
| 73 | /** |
| 74 | * This is set to AV_PICTURE_TYPE_I for intra only video decoders |
| 75 | * and to AV_PICTURE_TYPE_NONE for other decoders. It is used to set |
| 76 | * the AVFrame's pict_type before the decoder receives it. |
| 77 | */ |
| 78 | enum AVPictureType initial_pict_type; |
| 79 | |
| 80 | /* to prevent infinite loop on errors when draining */ |
| 81 | int nb_draining_errors; |
| 82 | |
| 83 | /** |
| 84 | * The caller has submitted a NULL packet on input. |
| 85 | */ |
| 86 | int draining_started; |
| 87 | |
| 88 | int64_t pts_correction_num_faulty_pts; /// Number of incorrect PTS values so far |
| 89 | int64_t pts_correction_num_faulty_dts; /// Number of incorrect DTS values so far |
| 90 | int64_t pts_correction_last_pts; /// PTS of the last frame |
| 91 | int64_t pts_correction_last_dts; /// DTS of the last frame |
| 92 | |
| 93 | /** |
| 94 | * Bitmask indicating for which side data types we prefer user-supplied |
| 95 | * (global or attached to packets) side data over bytestream. |
| 96 | */ |
| 97 | uint64_t side_data_pref_mask; |
| 98 | |
| 99 | #if CONFIG_LIBLCEVC_DEC0 |
| 100 | struct { |
| 101 | FFLCEVCContext *ctx; |
| 102 | int frame; |
| 103 | enum AVPixelFormat format; |
| 104 | int base_width; |
| 105 | int base_height; |
| 106 | int width; |
| 107 | int height; |
| 108 | } lcevc; |
| 109 | #endif |
| 110 | } DecodeContext; |
| 111 | |
| 112 | static DecodeContext *decode_ctx(AVCodecInternal *avci) |
| 113 | { |
| 114 | return (DecodeContext *)avci; |
| 115 | } |
| 116 | |
| 117 | static int apply_param_change(AVCodecContext *avctx, const AVPacket *avpkt) |
| 118 | { |
| 119 | int ret; |
| 120 | size_t size; |
| 121 | const uint8_t *data; |
| 122 | uint32_t flags; |
| 123 | int64_t val; |
| 124 | |
| 125 | data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size); |
| 126 | if (!data) |
| 127 | return 0; |
| 128 | |
| 129 | if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE(1 << 14))) { |
| 130 | av_log(avctx, AV_LOG_ERROR16, "This decoder does not support parameter " |
| 131 | "changes, but PARAM_CHANGE side data was sent to it.\n"); |
| 132 | ret = AVERROR(EINVAL)(-(22)); |
| 133 | goto fail2; |
| 134 | } |
| 135 | |
| 136 | if (size < 4) |
| 137 | goto fail; |
| 138 | |
| 139 | flags = bytestream_get_le32(&data); |
| 140 | size -= 4; |
| 141 | |
| 142 | if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) { |
| 143 | if (size < 4) |
| 144 | goto fail; |
| 145 | val = bytestream_get_le32(&data); |
| 146 | if (val <= 0 || val > INT_MAX2147483647) { |
| 147 | av_log(avctx, AV_LOG_ERROR16, "Invalid sample rate"); |
| 148 | ret = AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 149 | goto fail2; |
| 150 | } |
| 151 | avctx->sample_rate = val; |
| 152 | size -= 4; |
| 153 | } |
| 154 | if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) { |
| 155 | if (size < 8) |
| 156 | goto fail; |
| 157 | avctx->width = bytestream_get_le32(&data); |
| 158 | avctx->height = bytestream_get_le32(&data); |
| 159 | size -= 8; |
| 160 | ret = ff_set_dimensions(avctx, avctx->width, avctx->height); |
| 161 | if (ret < 0) |
| 162 | goto fail2; |
| 163 | } |
| 164 | |
| 165 | return 0; |
| 166 | fail: |
| 167 | av_log(avctx, AV_LOG_ERROR16, "PARAM_CHANGE side data too small.\n"); |
| 168 | ret = AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 169 | fail2: |
| 170 | if (ret < 0) { |
| 171 | av_log(avctx, AV_LOG_ERROR16, "Error applying parameter changes.\n"); |
| 172 | if (avctx->err_recognition & AV_EF_EXPLODE(1<<3)) |
| 173 | return ret; |
| 174 | } |
| 175 | return 0; |
| 176 | } |
| 177 | |
| 178 | static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt) |
| 179 | { |
| 180 | int ret = 0; |
| 181 | |
| 182 | av_packet_unref(avci->last_pkt_props); |
| 183 | if (pkt) { |
| 184 | ret = av_packet_copy_props(avci->last_pkt_props, pkt); |
| 185 | } |
| 186 | return ret; |
| 187 | } |
| 188 | |
| 189 | static int decode_bsfs_init(AVCodecContext *avctx) |
| 190 | { |
| 191 | AVCodecInternal *avci = avctx->internal; |
| 192 | const FFCodec *const codec = ffcodec(avctx->codec); |
| 193 | int ret; |
| 194 | |
| 195 | if (avci->bsf) |
| 196 | return 0; |
| 197 | |
| 198 | ret = av_bsf_list_parse_str(codec->bsfs, &avci->bsf); |
| 199 | if (ret < 0) { |
| 200 | av_log(avctx, AV_LOG_ERROR16, "Error parsing decoder bitstream filters '%s': %s\n", codec->bsfs, av_err2str(ret)av_make_error_string((char[64]){0}, 64, ret)); |
| 201 | if (ret != AVERROR(ENOMEM)(-(12))) |
| 202 | ret = AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24))); |
| 203 | goto fail; |
| 204 | } |
| 205 | |
| 206 | /* We do not currently have an API for passing the input timebase into decoders, |
| 207 | * but no filters used here should actually need it. |
| 208 | * So we make up some plausible-looking number (the MPEG 90kHz timebase) */ |
| 209 | avci->bsf->time_base_in = (AVRational){ 1, 90000 }; |
| 210 | ret = avcodec_parameters_from_context(avci->bsf->par_in, avctx); |
| 211 | if (ret < 0) |
| 212 | goto fail; |
| 213 | |
| 214 | ret = av_bsf_init(avci->bsf); |
| 215 | if (ret < 0) |
| 216 | goto fail; |
| 217 | |
| 218 | return 0; |
| 219 | fail: |
| 220 | av_bsf_free(&avci->bsf); |
| 221 | return ret; |
| 222 | } |
| 223 | |
| 224 | #if !HAVE_THREADS1 |
| 225 | #define ff_thread_get_packet(avctx, pkt) (AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24)))) |
| 226 | #define ff_thread_receive_frame(avctx, frame, flags) (AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24)))) |
| 227 | #endif |
| 228 | |
| 229 | static int decode_get_packet(AVCodecContext *avctx, AVPacket *pkt) |
| 230 | { |
| 231 | AVCodecInternal *avci = avctx->internal; |
| 232 | int ret; |
| 233 | |
| 234 | ret = av_bsf_receive_packet(avci->bsf, pkt); |
| 235 | if (ret < 0) |
| 236 | return ret; |
| 237 | |
| 238 | if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS(1 << 8))) { |
| 239 | ret = extract_packet_props(avctx->internal, pkt); |
| 240 | if (ret < 0) |
| 241 | goto finish; |
| 242 | } |
| 243 | |
| 244 | ret = apply_param_change(avctx, pkt); |
| 245 | if (ret < 0) |
| 246 | goto finish; |
| 247 | |
| 248 | return 0; |
| 249 | finish: |
| 250 | av_packet_unref(pkt); |
| 251 | return ret; |
| 252 | } |
| 253 | |
| 254 | int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt) |
| 255 | { |
| 256 | AVCodecInternal *avci = avctx->internal; |
| 257 | DecodeContext *dc = decode_ctx(avci); |
| 258 | |
| 259 | if (avci->draining) |
| 260 | return AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24))); |
| 261 | |
| 262 | /* If we are a worker thread, get the next packet from the threading |
| 263 | * context. Otherwise we are the main (user-facing) context, so we get the |
| 264 | * next packet from the input filterchain. |
| 265 | */ |
| 266 | if (avctx->internal->is_frame_mt) |
| 267 | return ff_thread_get_packet(avctx, pkt); |
| 268 | |
| 269 | while (1) { |
| 270 | int ret = decode_get_packet(avctx, pkt); |
| 271 | if (ret == AVERROR(EAGAIN)(-(11)) && |
| 272 | (!AVPACKET_IS_EMPTY(avci->buffer_pkt)(!(avci->buffer_pkt)->data && !(avci->buffer_pkt )->side_data_elems) || dc->draining_started)) { |
| 273 | ret = av_bsf_send_packet(avci->bsf, avci->buffer_pkt); |
| 274 | if (ret >= 0) |
| 275 | continue; |
| 276 | |
| 277 | av_packet_unref(avci->buffer_pkt); |
| 278 | } |
| 279 | |
| 280 | if (ret == AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24)))) |
| 281 | avci->draining = 1; |
| 282 | return ret; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Attempt to guess proper monotonic timestamps for decoded video frames |
| 288 | * which might have incorrect times. Input timestamps may wrap around, in |
| 289 | * which case the output will as well. |
| 290 | * |
| 291 | * @param pts the pts field of the decoded AVPacket, as passed through |
| 292 | * AVFrame.pts |
| 293 | * @param dts the dts field of the decoded AVPacket |
| 294 | * @return one of the input values, may be AV_NOPTS_VALUE |
| 295 | */ |
| 296 | static int64_t guess_correct_pts(DecodeContext *dc, |
| 297 | int64_t reordered_pts, int64_t dts) |
| 298 | { |
| 299 | int64_t pts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 300 | |
| 301 | if (dts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) { |
| 302 | dc->pts_correction_num_faulty_dts += dts <= dc->pts_correction_last_dts; |
| 303 | dc->pts_correction_last_dts = dts; |
| 304 | } else if (reordered_pts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 305 | dc->pts_correction_last_dts = reordered_pts; |
| 306 | |
| 307 | if (reordered_pts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) { |
| 308 | dc->pts_correction_num_faulty_pts += reordered_pts <= dc->pts_correction_last_pts; |
| 309 | dc->pts_correction_last_pts = reordered_pts; |
| 310 | } else if(dts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 311 | dc->pts_correction_last_pts = dts; |
| 312 | |
| 313 | if ((dc->pts_correction_num_faulty_pts<=dc->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 314 | && reordered_pts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 315 | pts = reordered_pts; |
| 316 | else |
| 317 | pts = dts; |
| 318 | |
| 319 | return pts; |
| 320 | } |
| 321 | |
| 322 | static int discard_samples(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples) |
| 323 | { |
| 324 | AVCodecInternal *avci = avctx->internal; |
| 325 | AVFrameSideData *side; |
| 326 | uint32_t discard_padding = 0; |
| 327 | uint8_t skip_reason = 0; |
| 328 | uint8_t discard_reason = 0; |
| 329 | |
| 330 | side = av_frame_get_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES); |
| 331 | if (side && side->size >= 10) { |
| 332 | int skip_samples = AV_RL32(side->data)(((const union unaligned_32 *) (side->data))->l); |
| 333 | if (skip_samples) |
| 334 | avci->skip_samples = skip_samples; |
| 335 | avci->skip_samples = FFMAX(0, avci->skip_samples)((0) > (avci->skip_samples) ? (0) : (avci->skip_samples )); |
| 336 | discard_padding = AV_RL32(side->data + 4)(((const union unaligned_32 *) (side->data + 4))->l); |
| 337 | av_log(avctx, AV_LOG_DEBUG48, "skip %d / discard %d samples due to side data\n", |
| 338 | avci->skip_samples, (int)discard_padding); |
| 339 | skip_reason = AV_RL8(side->data + 8)(((const uint8_t*)(side->data + 8))[0]); |
| 340 | discard_reason = AV_RL8(side->data + 9)(((const uint8_t*)(side->data + 9))[0]); |
| 341 | } |
| 342 | |
| 343 | if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL(1 << 29))) { |
| 344 | if (!side && (avci->skip_samples || discard_padding)) |
| 345 | side = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10); |
| 346 | if (side && (avci->skip_samples || discard_padding)) { |
| 347 | AV_WL32(side->data, avci->skip_samples)((((union unaligned_32 *) (side->data))->l) = (avci-> skip_samples)); |
| 348 | AV_WL32(side->data + 4, discard_padding)((((union unaligned_32 *) (side->data + 4))->l) = (discard_padding )); |
| 349 | AV_WL8(side->data + 8, skip_reason)do { ((uint8_t*)(side->data + 8))[0] = (skip_reason); } while (0); |
| 350 | AV_WL8(side->data + 9, discard_reason)do { ((uint8_t*)(side->data + 9))[0] = (discard_reason); } while(0); |
| 351 | avci->skip_samples = 0; |
| 352 | } |
| 353 | return 0; |
| 354 | } |
| 355 | av_frame_remove_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES); |
| 356 | |
| 357 | if ((frame->flags & AV_FRAME_FLAG_DISCARD(1 << 2))) { |
| 358 | avci->skip_samples = FFMAX(0, avci->skip_samples - frame->nb_samples)((0) > (avci->skip_samples - frame->nb_samples) ? (0 ) : (avci->skip_samples - frame->nb_samples)); |
| 359 | *discarded_samples += frame->nb_samples; |
| 360 | return AVERROR(EAGAIN)(-(11)); |
| 361 | } |
| 362 | |
| 363 | if (avci->skip_samples > 0) { |
| 364 | if (frame->nb_samples <= avci->skip_samples){ |
| 365 | *discarded_samples += frame->nb_samples; |
| 366 | avci->skip_samples -= frame->nb_samples; |
| 367 | av_log(avctx, AV_LOG_DEBUG48, "skip whole frame, skip left: %d\n", |
| 368 | avci->skip_samples); |
| 369 | return AVERROR(EAGAIN)(-(11)); |
| 370 | } else { |
| 371 | av_samples_copy(frame->extended_data, frame->extended_data, 0, avci->skip_samples, |
| 372 | frame->nb_samples - avci->skip_samples, avctx->ch_layout.nb_channels, frame->format); |
| 373 | if (avctx->pkt_timebase.num && avctx->sample_rate) { |
| 374 | int64_t diff_ts = av_rescale_q(avci->skip_samples, |
| 375 | (AVRational){1, avctx->sample_rate}, |
| 376 | avctx->pkt_timebase); |
| 377 | if (diff_ts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) { |
| 378 | if (frame->pts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 379 | frame->pts = av_sat_add64av_sat_add64_c(frame->pts, diff_ts); |
| 380 | if (frame->pkt_dts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 381 | frame->pkt_dts = av_sat_add64av_sat_add64_c(frame->pkt_dts, diff_ts); |
| 382 | if (frame->duration >= diff_ts) |
| 383 | frame->duration = av_sat_sub64av_sat_sub64_c(frame->duration, diff_ts); |
| 384 | } else { |
| 385 | frame->pts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 386 | frame->pkt_dts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 387 | frame->duration = 0; |
| 388 | } |
| 389 | } else |
| 390 | av_log(avctx, AV_LOG_WARNING24, "Could not update timestamps for skipped samples.\n"); |
| 391 | |
| 392 | av_log(avctx, AV_LOG_DEBUG48, "skip %d/%d samples\n", |
| 393 | avci->skip_samples, frame->nb_samples); |
| 394 | *discarded_samples += avci->skip_samples; |
| 395 | frame->nb_samples -= avci->skip_samples; |
| 396 | avci->skip_samples = 0; |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | if (discard_padding > 0 && discard_padding <= frame->nb_samples) { |
| 401 | if (discard_padding == frame->nb_samples) { |
| 402 | *discarded_samples += frame->nb_samples; |
| 403 | return AVERROR(EAGAIN)(-(11)); |
| 404 | } else { |
| 405 | if (avctx->pkt_timebase.num && avctx->sample_rate) { |
| 406 | int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding, |
| 407 | (AVRational){1, avctx->sample_rate}, |
| 408 | avctx->pkt_timebase); |
| 409 | frame->duration = diff_ts == AV_NOPTS_VALUE((int64_t)0x8000000000000000UL) ? 0 : diff_ts; |
| 410 | } else |
| 411 | av_log(avctx, AV_LOG_WARNING24, "Could not update timestamps for discarded samples.\n"); |
| 412 | |
| 413 | av_log(avctx, AV_LOG_DEBUG48, "discard %d/%d samples\n", |
| 414 | (int)discard_padding, frame->nb_samples); |
| 415 | frame->nb_samples -= discard_padding; |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | /* |
| 423 | * The core of the receive_frame_wrapper for the decoders implementing |
| 424 | * the simple API. Certain decoders might consume partial packets without |
| 425 | * returning any output, so this function needs to be called in a loop until it |
| 426 | * returns EAGAIN. |
| 427 | **/ |
| 428 | static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame, int64_t *discarded_samples) |
| 429 | { |
| 430 | AVCodecInternal *avci = avctx->internal; |
| 431 | DecodeContext *dc = decode_ctx(avci); |
| 432 | AVPacket *const pkt = avci->in_pkt; |
| 433 | const FFCodec *const codec = ffcodec(avctx->codec); |
| 434 | int got_frame, consumed; |
| 435 | int ret; |
| 436 | |
| 437 | if (!pkt->data && !avci->draining) { |
| 438 | av_packet_unref(pkt); |
| 439 | ret = ff_decode_get_packet(avctx, pkt); |
| 440 | if (ret < 0 && ret != AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24)))) |
| 441 | return ret; |
| 442 | } |
| 443 | |
| 444 | // Some codecs (at least wma lossless) will crash when feeding drain packets |
| 445 | // after EOF was signaled. |
| 446 | if (avci->draining_done) |
| 447 | return AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24))); |
| 448 | |
| 449 | if (!pkt->data && |
| 450 | !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY(1 << 5))) |
| 451 | return AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24))); |
| 452 | |
| 453 | got_frame = 0; |
| 454 | |
| 455 | frame->pict_type = dc->initial_pict_type; |
| 456 | frame->flags |= dc->intra_only_flag; |
| 457 | consumed = codec->cb.decode(avctx, frame, &got_frame, pkt); |
| 458 | |
| 459 | if (!(codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS(1 << 2))) |
| 460 | frame->pkt_dts = pkt->dts; |
| 461 | emms_cemms_c(); |
| 462 | |
| 463 | if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) { |
| 464 | ret = (!got_frame || frame->flags & AV_FRAME_FLAG_DISCARD(1 << 2)) |
| 465 | ? AVERROR(EAGAIN)(-(11)) |
| 466 | : 0; |
| 467 | } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) { |
| 468 | ret = !got_frame ? AVERROR(EAGAIN)(-(11)) |
| 469 | : discard_samples(avctx, frame, discarded_samples); |
| 470 | } else |
| 471 | av_assert0(0)do { if (!(0)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "0", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 471); abort(); } } while (0); |
| 472 | |
| 473 | if (ret == AVERROR(EAGAIN)(-(11))) |
| 474 | av_frame_unref(frame); |
| 475 | |
| 476 | // FF_CODEC_CB_TYPE_DECODE decoders must not return AVERROR EAGAIN |
| 477 | // code later will add AVERROR(EAGAIN) to a pointer |
| 478 | av_assert0(consumed != AVERROR(EAGAIN))do { if (!(consumed != (-(11)))) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "consumed != (-(11))", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 478); abort(); } } while (0); |
| 479 | if (consumed < 0) |
| 480 | ret = consumed; |
| 481 | if (consumed >= 0 && avctx->codec->type == AVMEDIA_TYPE_VIDEO) |
| 482 | consumed = pkt->size; |
| 483 | |
| 484 | if (!ret) |
| 485 | av_assert0(frame->buf[0])do { if (!(frame->buf[0])) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "frame->buf[0]", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 485); abort(); } } while (0); |
| 486 | if (ret == AVERROR(EAGAIN)(-(11))) |
| 487 | ret = 0; |
| 488 | |
| 489 | /* do not stop draining when got_frame != 0 or ret < 0 */ |
| 490 | if (avci->draining && !got_frame) { |
| 491 | if (ret < 0) { |
| 492 | /* prevent infinite loop if a decoder wrongly always return error on draining */ |
| 493 | /* reasonable nb_errors_max = maximum b frames + thread count */ |
| 494 | int nb_errors_max = 20 + (HAVE_THREADS1 && avctx->active_thread_type & FF_THREAD_FRAME1 ? |
| 495 | avctx->thread_count : 1); |
| 496 | |
| 497 | if (decode_ctx(avci)->nb_draining_errors++ >= nb_errors_max) { |
| 498 | av_log(avctx, AV_LOG_ERROR16, "Too many errors when draining, this is a bug. " |
| 499 | "Stop draining and force EOF.\n"); |
| 500 | avci->draining_done = 1; |
| 501 | ret = AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24))); |
| 502 | } |
| 503 | } else { |
| 504 | avci->draining_done = 1; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | if (consumed >= pkt->size || ret < 0) { |
| 509 | av_packet_unref(pkt); |
| 510 | } else { |
| 511 | pkt->data += consumed; |
| 512 | pkt->size -= consumed; |
| 513 | pkt->pts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 514 | pkt->dts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 515 | if (!(codec->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS(1 << 8))) { |
| 516 | avci->last_pkt_props->pts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 517 | avci->last_pkt_props->dts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | return ret; |
| 522 | } |
| 523 | |
| 524 | #if CONFIG_LCMS20 |
| 525 | static int detect_colorspace(AVCodecContext *avctx, AVFrame *frame) |
| 526 | { |
| 527 | AVCodecInternal *avci = avctx->internal; |
| 528 | enum AVColorTransferCharacteristic trc; |
| 529 | AVColorPrimariesDesc coeffs; |
| 530 | enum AVColorPrimaries prim; |
| 531 | cmsHPROFILE profile; |
| 532 | AVFrameSideData *sd; |
| 533 | int ret; |
| 534 | if (!(avctx->flags2 & AV_CODEC_FLAG2_ICC_PROFILES(1U << 31))) |
| 535 | return 0; |
| 536 | |
| 537 | sd = av_frame_get_side_data(frame, AV_FRAME_DATA_ICC_PROFILE); |
| 538 | if (!sd || !sd->size) |
| 539 | return 0; |
| 540 | |
| 541 | if (!avci->icc.avctx) { |
| 542 | ret = ff_icc_context_init(&avci->icc, avctx); |
| 543 | if (ret < 0) |
| 544 | return ret; |
| 545 | } |
| 546 | |
| 547 | profile = cmsOpenProfileFromMemTHR(avci->icc.ctx, sd->data, sd->size); |
| 548 | if (!profile) |
| 549 | return AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 550 | |
| 551 | ret = ff_icc_profile_sanitize(&avci->icc, profile); |
| 552 | if (!ret) |
| 553 | ret = ff_icc_profile_read_primaries(&avci->icc, profile, &coeffs); |
| 554 | if (!ret) |
| 555 | ret = ff_icc_profile_detect_transfer(&avci->icc, profile, &trc); |
| 556 | cmsCloseProfile(profile); |
| 557 | if (ret < 0) |
| 558 | return ret; |
| 559 | |
| 560 | prim = av_csp_primaries_id_from_desc(&coeffs); |
| 561 | if (prim != AVCOL_PRI_UNSPECIFIED) |
| 562 | frame->color_primaries = prim; |
| 563 | if (trc != AVCOL_TRC_UNSPECIFIED) |
| 564 | frame->color_trc = trc; |
| 565 | return 0; |
| 566 | } |
| 567 | #else /* !CONFIG_LCMS2 */ |
| 568 | static int detect_colorspace(av_unused__attribute__((unused)) AVCodecContext *c, av_unused__attribute__((unused)) AVFrame *f) |
| 569 | { |
| 570 | return 0; |
| 571 | } |
| 572 | #endif |
| 573 | |
| 574 | static int fill_frame_props(const AVCodecContext *avctx, AVFrame *frame) |
| 575 | { |
| 576 | int ret; |
| 577 | |
| 578 | if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED) |
| 579 | frame->color_primaries = avctx->color_primaries; |
| 580 | if (frame->color_trc == AVCOL_TRC_UNSPECIFIED) |
| 581 | frame->color_trc = avctx->color_trc; |
| 582 | if (frame->colorspace == AVCOL_SPC_UNSPECIFIED) |
| 583 | frame->colorspace = avctx->colorspace; |
| 584 | if (frame->color_range == AVCOL_RANGE_UNSPECIFIED) |
| 585 | frame->color_range = avctx->color_range; |
| 586 | if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED) |
| 587 | frame->chroma_location = avctx->chroma_sample_location; |
| 588 | if (frame->alpha_mode == AVALPHA_MODE_UNSPECIFIED) |
| 589 | frame->alpha_mode = avctx->alpha_mode; |
| 590 | |
| 591 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 592 | if (!frame->sample_aspect_ratio.num) frame->sample_aspect_ratio = avctx->sample_aspect_ratio; |
| 593 | if (frame->format == AV_PIX_FMT_NONE) frame->format = avctx->pix_fmt; |
| 594 | } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) { |
| 595 | if (frame->format == AV_SAMPLE_FMT_NONE) |
| 596 | frame->format = avctx->sample_fmt; |
| 597 | if (!frame->ch_layout.nb_channels) { |
| 598 | ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout); |
| 599 | if (ret < 0) |
| 600 | return ret; |
| 601 | } |
| 602 | if (!frame->sample_rate) |
| 603 | frame->sample_rate = avctx->sample_rate; |
| 604 | } |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
| 609 | static int decode_simple_receive_frame(AVCodecContext *avctx, AVFrame *frame) |
| 610 | { |
| 611 | int ret; |
| 612 | int64_t discarded_samples = 0; |
| 613 | |
| 614 | while (!frame->buf[0]) { |
| 615 | if (discarded_samples > avctx->max_samples) |
| 616 | return AVERROR(EAGAIN)(-(11)); |
| 617 | ret = decode_simple_internal(avctx, frame, &discarded_samples); |
| 618 | if (ret < 0) |
| 619 | return ret; |
| 620 | } |
| 621 | |
| 622 | return 0; |
| 623 | } |
| 624 | |
| 625 | int ff_decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame) |
| 626 | { |
| 627 | AVCodecInternal *avci = avctx->internal; |
| 628 | DecodeContext *dc = decode_ctx(avci); |
| 629 | const FFCodec *const codec = ffcodec(avctx->codec); |
| 630 | int ret; |
| 631 | |
| 632 | av_assert0(!frame->buf[0])do { if (!(!frame->buf[0])) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "!frame->buf[0]", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 632); abort(); } } while (0); |
| 633 | |
| 634 | if (codec->cb_type == FF_CODEC_CB_TYPE_RECEIVE_FRAME) { |
| 635 | while (1) { |
| 636 | frame->pict_type = dc->initial_pict_type; |
| 637 | frame->flags |= dc->intra_only_flag; |
| 638 | ret = codec->cb.receive_frame(avctx, frame); |
| 639 | emms_cemms_c(); |
| 640 | if (!ret) { |
| 641 | if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) { |
| 642 | int64_t discarded_samples = 0; |
| 643 | ret = discard_samples(avctx, frame, &discarded_samples); |
| 644 | } |
| 645 | if (ret == AVERROR(EAGAIN)(-(11)) || (frame->flags & AV_FRAME_FLAG_DISCARD(1 << 2))) { |
| 646 | av_frame_unref(frame); |
| 647 | continue; |
| 648 | } |
| 649 | } |
| 650 | break; |
| 651 | } |
| 652 | } else |
| 653 | ret = decode_simple_receive_frame(avctx, frame); |
| 654 | |
| 655 | if (ret == AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24)))) |
| 656 | avci->draining_done = 1; |
| 657 | |
| 658 | return ret; |
| 659 | } |
| 660 | |
| 661 | static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame, |
| 662 | unsigned flags) |
| 663 | { |
| 664 | AVCodecInternal *avci = avctx->internal; |
| 665 | DecodeContext *dc = decode_ctx(avci); |
| 666 | int ret, ok; |
| 667 | |
| 668 | if (avctx->active_thread_type & FF_THREAD_FRAME1) |
| 669 | ret = ff_thread_receive_frame(avctx, frame, flags); |
| 670 | else |
| 671 | ret = ff_decode_receive_frame_internal(avctx, frame); |
| 672 | |
| 673 | /* preserve ret */ |
| 674 | ok = detect_colorspace(avctx, frame); |
| 675 | if (ok < 0) { |
| 676 | av_frame_unref(frame); |
| 677 | return ok; |
| 678 | } |
| 679 | |
| 680 | if (!ret) { |
| 681 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 682 | if (!frame->width) |
| 683 | frame->width = avctx->width; |
| 684 | if (!frame->height) |
| 685 | frame->height = avctx->height; |
| 686 | } |
| 687 | |
| 688 | ret = fill_frame_props(avctx, frame); |
| 689 | if (ret < 0) { |
| 690 | av_frame_unref(frame); |
| 691 | return ret; |
| 692 | } |
| 693 | |
| 694 | frame->best_effort_timestamp = guess_correct_pts(dc, |
| 695 | frame->pts, |
| 696 | frame->pkt_dts); |
| 697 | |
| 698 | /* the only case where decode data is not set should be decoders |
| 699 | * that do not call ff_get_buffer() */ |
| 700 | av_assert0(frame->private_ref ||do { if (!(frame->private_ref || !(avctx->codec->capabilities & (1 << 1)))) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "frame->private_ref || !(avctx->codec->capabilities & (1 << 1))" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 701) ; abort(); } } while (0) |
| 701 | !(avctx->codec->capabilities & AV_CODEC_CAP_DR1))do { if (!(frame->private_ref || !(avctx->codec->capabilities & (1 << 1)))) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "frame->private_ref || !(avctx->codec->capabilities & (1 << 1))" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 701) ; abort(); } } while (0); |
| 702 | |
| 703 | if (frame->private_ref) { |
| 704 | FrameDecodeData *fdd = frame->private_ref; |
| 705 | |
| 706 | if (fdd->hwaccel_priv_post_process) { |
| 707 | ret = fdd->hwaccel_priv_post_process(avctx, frame); |
| 708 | if (ret < 0) { |
| 709 | av_frame_unref(frame); |
| 710 | return ret; |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | if (fdd->post_process) { |
| 715 | ret = fdd->post_process(avctx, frame); |
| 716 | if (ret < 0) { |
| 717 | av_frame_unref(frame); |
| 718 | return ret; |
| 719 | } |
| 720 | } |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | /* free the per-frame decode data */ |
| 725 | av_refstruct_unref(&frame->private_ref); |
| 726 | |
| 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt) |
| 731 | { |
| 732 | AVCodecInternal *avci = avctx->internal; |
| 733 | DecodeContext *dc = decode_ctx(avci); |
| 734 | int ret; |
| 735 | |
| 736 | if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec)) |
| 737 | return AVERROR(EINVAL)(-(22)); |
| 738 | |
| 739 | if (dc->draining_started) |
| 740 | return AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24))); |
| 741 | |
| 742 | if (avpkt && !avpkt->size && avpkt->data) |
| 743 | return AVERROR(EINVAL)(-(22)); |
| 744 | |
| 745 | if (avpkt && (avpkt->data || avpkt->side_data_elems)) { |
| 746 | if (!AVPACKET_IS_EMPTY(avci->buffer_pkt)(!(avci->buffer_pkt)->data && !(avci->buffer_pkt )->side_data_elems)) |
| 747 | return AVERROR(EAGAIN)(-(11)); |
| 748 | ret = av_packet_ref(avci->buffer_pkt, avpkt); |
| 749 | if (ret < 0) |
| 750 | return ret; |
| 751 | } else |
| 752 | dc->draining_started = 1; |
| 753 | |
| 754 | if (!avci->buffer_frame->buf[0] && !dc->draining_started) { |
| 755 | ret = decode_receive_frame_internal(avctx, avci->buffer_frame, 0); |
| 756 | if (ret < 0 && ret != AVERROR(EAGAIN)(-(11)) && ret != AVERROR_EOF(-(int)(('E') | (('O') << 8) | (('F') << 16) | (( unsigned)(' ') << 24)))) |
| 757 | return ret; |
| 758 | } |
| 759 | |
| 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | static int apply_cropping(AVCodecContext *avctx, AVFrame *frame) |
| 764 | { |
| 765 | /* make sure we are noisy about decoders returning invalid cropping data */ |
| 766 | if (frame->crop_left >= INT_MAX2147483647 - frame->crop_right || |
| 767 | frame->crop_top >= INT_MAX2147483647 - frame->crop_bottom || |
| 768 | (frame->crop_left + frame->crop_right) >= frame->width || |
| 769 | (frame->crop_top + frame->crop_bottom) >= frame->height) { |
| 770 | av_log(avctx, AV_LOG_WARNING24, |
| 771 | "Invalid cropping information set by a decoder: " |
| 772 | "%zu/%zu/%zu/%zu (frame size %dx%d). " |
| 773 | "This is a bug, please report it\n", |
| 774 | frame->crop_left, frame->crop_right, frame->crop_top, frame->crop_bottom, |
| 775 | frame->width, frame->height); |
| 776 | frame->crop_left = 0; |
| 777 | frame->crop_right = 0; |
| 778 | frame->crop_top = 0; |
| 779 | frame->crop_bottom = 0; |
| 780 | return 0; |
| 781 | } |
| 782 | |
| 783 | if (!avctx->apply_cropping) |
| 784 | return 0; |
| 785 | |
| 786 | return av_frame_apply_cropping(frame, avctx->flags & AV_CODEC_FLAG_UNALIGNED(1 << 0) ? |
| 787 | AV_FRAME_CROP_UNALIGNED : 0); |
| 788 | } |
| 789 | |
| 790 | // make sure frames returned to the caller are valid |
| 791 | static int frame_validate(AVCodecContext *avctx, AVFrame *frame) |
| 792 | { |
| 793 | if (!frame->buf[0] || frame->format < 0) |
| 794 | goto fail; |
| 795 | |
| 796 | switch (avctx->codec_type) { |
| 797 | case AVMEDIA_TYPE_VIDEO: |
| 798 | if (frame->width <= 0 || frame->height <= 0) |
| 799 | goto fail; |
| 800 | break; |
| 801 | case AVMEDIA_TYPE_AUDIO: |
| 802 | if (!av_channel_layout_check(&frame->ch_layout) || |
| 803 | frame->sample_rate <= 0) |
| 804 | goto fail; |
| 805 | |
| 806 | break; |
| 807 | default: av_assert0(0)do { if (!(0)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "0", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 807); abort(); } } while (0); |
| 808 | } |
| 809 | |
| 810 | return 0; |
| 811 | fail: |
| 812 | av_log(avctx, AV_LOG_ERROR16, "An invalid frame was output by a decoder. " |
| 813 | "This is a bug, please report it.\n"); |
| 814 | return AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24))); |
| 815 | } |
| 816 | |
| 817 | int ff_decode_receive_frame(AVCodecContext *avctx, AVFrame *frame, unsigned flags) |
| 818 | { |
| 819 | AVCodecInternal *avci = avctx->internal; |
| 820 | int ret; |
| 821 | |
| 822 | if (avci->buffer_frame->buf[0]) { |
| 823 | av_frame_move_ref(frame, avci->buffer_frame); |
| 824 | } else { |
| 825 | ret = decode_receive_frame_internal(avctx, frame, flags); |
| 826 | if (ret < 0) |
| 827 | return ret; |
| 828 | } |
| 829 | |
| 830 | ret = frame_validate(avctx, frame); |
| 831 | if (ret < 0) |
| 832 | goto fail; |
| 833 | |
| 834 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 835 | ret = apply_cropping(avctx, frame); |
| 836 | if (ret < 0) |
| 837 | goto fail; |
| 838 | } |
| 839 | |
| 840 | avctx->frame_num++; |
| 841 | |
| 842 | return 0; |
| 843 | fail: |
| 844 | av_frame_unref(frame); |
| 845 | return ret; |
| 846 | } |
| 847 | |
| 848 | static void get_subtitle_defaults(AVSubtitle *sub) |
| 849 | { |
| 850 | memset(sub, 0, sizeof(*sub)); |
| 851 | sub->pts = AV_NOPTS_VALUE((int64_t)0x8000000000000000UL); |
| 852 | } |
| 853 | |
| 854 | #define UTF8_MAX_BYTES4 4 /* 5 and 6 bytes sequences should not be used */ |
| 855 | static int recode_subtitle(AVCodecContext *avctx, const AVPacket **outpkt, |
| 856 | const AVPacket *inpkt, AVPacket *buf_pkt) |
| 857 | { |
| 858 | #if CONFIG_ICONV0 |
| 859 | iconv_t cd = (iconv_t)-1; |
| 860 | int ret = 0; |
| 861 | char *inb, *outb; |
| 862 | size_t inl, outl; |
| 863 | #endif |
| 864 | |
| 865 | if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER1 || inpkt->size == 0) { |
| 866 | *outpkt = inpkt; |
| 867 | return 0; |
| 868 | } |
| 869 | |
| 870 | #if CONFIG_ICONV0 |
| 871 | inb = inpkt->data; |
| 872 | inl = inpkt->size; |
| 873 | |
| 874 | if (inl >= INT_MAX2147483647 / UTF8_MAX_BYTES4 - AV_INPUT_BUFFER_PADDING_SIZE64) { |
| 875 | av_log(avctx, AV_LOG_ERROR16, "Subtitles packet is too big for recoding\n"); |
| 876 | return AVERROR(ERANGE)(-(34)); |
| 877 | } |
| 878 | |
| 879 | cd = iconv_open("UTF-8", avctx->sub_charenc); |
| 880 | av_assert0(cd != (iconv_t)-1)do { if (!(cd != (iconv_t)-1)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "cd != (iconv_t)-1", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 880); abort(); } } while (0); |
| 881 | |
| 882 | ret = av_new_packet(buf_pkt, inl * UTF8_MAX_BYTES4); |
| 883 | if (ret < 0) |
| 884 | goto end; |
| 885 | ret = av_packet_copy_props(buf_pkt, inpkt); |
| 886 | if (ret < 0) |
| 887 | goto end; |
| 888 | outb = buf_pkt->data; |
| 889 | outl = buf_pkt->size; |
| 890 | |
| 891 | if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 || |
| 892 | iconv(cd, NULL((void*)0), NULL((void*)0), &outb, &outl) == (size_t)-1 || |
| 893 | outl >= buf_pkt->size || inl != 0) { |
| 894 | ret = FFMIN(AVERROR(errno), -1)(((-((*__errno_location ())))) > (-1) ? (-1) : ((-((*__errno_location ()))))); |
| 895 | av_log(avctx, AV_LOG_ERROR16, "Unable to recode subtitle event \"%s\" " |
| 896 | "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc); |
| 897 | goto end; |
| 898 | } |
| 899 | buf_pkt->size -= outl; |
| 900 | memset(buf_pkt->data + buf_pkt->size, 0, outl); |
| 901 | *outpkt = buf_pkt; |
| 902 | |
| 903 | ret = 0; |
| 904 | end: |
| 905 | if (ret < 0) |
| 906 | av_packet_unref(buf_pkt); |
| 907 | if (cd != (iconv_t)-1) |
| 908 | iconv_close(cd); |
| 909 | return ret; |
| 910 | #else |
| 911 | av_log(avctx, AV_LOG_ERROR16, "requesting subtitles recoding without iconv"); |
| 912 | return AVERROR(EINVAL)(-(22)); |
| 913 | #endif |
| 914 | } |
| 915 | |
| 916 | static int utf8_check(const uint8_t *str) |
| 917 | { |
| 918 | const uint8_t *byte; |
| 919 | uint32_t codepoint, min; |
| 920 | |
| 921 | while (*str) { |
| 922 | byte = str; |
| 923 | GET_UTF8(codepoint, *(byte++), return 0;)codepoint= (uint8_t)(*(byte++)); { uint32_t top = (codepoint & 128) >> 1; if ((codepoint & 0xc0) == 0x80 || codepoint >= 0xFE) {return 0;} while (codepoint & top) { unsigned int tmp = (uint8_t)(*(byte++)) - 128; if(tmp>>6) {return 0;} codepoint= (codepoint<<6) + tmp; top <<= 5; } codepoint &= (top << 1) - 1; }; |
| 924 | min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 : |
| 925 | 1 << (5 * (byte - str) - 4); |
| 926 | if (codepoint < min || codepoint >= 0x110000 || |
| 927 | codepoint == 0xFFFE /* BOM */ || |
| 928 | codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */) |
| 929 | return 0; |
| 930 | str = byte; |
| 931 | } |
| 932 | return 1; |
| 933 | } |
| 934 | |
| 935 | int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, |
| 936 | int *got_sub_ptr, const AVPacket *avpkt) |
| 937 | { |
| 938 | int ret = 0; |
| 939 | |
| 940 | if (!avpkt->data && avpkt->size) { |
| 941 | av_log(avctx, AV_LOG_ERROR16, "invalid packet: NULL data, size != 0\n"); |
| 942 | return AVERROR(EINVAL)(-(22)); |
| 943 | } |
| 944 | if (!avctx->codec) |
| 945 | return AVERROR(EINVAL)(-(22)); |
| 946 | if (ffcodec(avctx->codec)->cb_type != FF_CODEC_CB_TYPE_DECODE_SUB) { |
| 947 | av_log(avctx, AV_LOG_ERROR16, "Codec not subtitle decoder\n"); |
| 948 | return AVERROR(EINVAL)(-(22)); |
| 949 | } |
| 950 | |
| 951 | *got_sub_ptr = 0; |
| 952 | get_subtitle_defaults(sub); |
| 953 | |
| 954 | if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY(1 << 5)) || avpkt->size) { |
| 955 | AVCodecInternal *avci = avctx->internal; |
| 956 | const AVPacket *pkt; |
| 957 | |
| 958 | ret = recode_subtitle(avctx, &pkt, avpkt, avci->buffer_pkt); |
| 959 | if (ret < 0) |
| 960 | return ret; |
| 961 | |
| 962 | if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE((int64_t)0x8000000000000000UL)) |
| 963 | sub->pts = av_rescale_q(avpkt->pts, |
| 964 | avctx->pkt_timebase, AV_TIME_BASE_Q(AVRational){1, 1000000}); |
| 965 | ret = ffcodec(avctx->codec)->cb.decode_sub(avctx, sub, got_sub_ptr, pkt); |
| 966 | if (pkt == avci->buffer_pkt) // did we recode? |
| 967 | av_packet_unref(avci->buffer_pkt); |
| 968 | if (ret < 0) { |
| 969 | *got_sub_ptr = 0; |
| 970 | avsubtitle_free(sub); |
| 971 | return ret; |
| 972 | } |
| 973 | av_assert1(!sub->num_rects || *got_sub_ptr)do { if (!(!sub->num_rects || *got_sub_ptr)) { av_log(((void *)0), 0, "Assertion %s failed at %s:%d\n", "!sub->num_rects || *got_sub_ptr" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 973) ; abort(); } } while (0); |
| 974 | |
| 975 | if (sub->num_rects && !sub->end_display_time && avpkt->duration && |
| 976 | avctx->pkt_timebase.num) { |
| 977 | AVRational ms = { 1, 1000 }; |
| 978 | sub->end_display_time = av_rescale_q(avpkt->duration, |
| 979 | avctx->pkt_timebase, ms); |
| 980 | } |
| 981 | |
| 982 | if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB(1 << 16)) |
| 983 | sub->format = 0; |
| 984 | else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB(1 << 17)) |
| 985 | sub->format = 1; |
| 986 | |
| 987 | for (unsigned i = 0; i < sub->num_rects; i++) { |
| 988 | if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_IGNORE2 && |
| 989 | sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) { |
| 990 | av_log(avctx, AV_LOG_ERROR16, |
| 991 | "Invalid UTF-8 in decoded subtitles text; " |
| 992 | "maybe missing -sub_charenc option\n"); |
| 993 | avsubtitle_free(sub); |
| 994 | *got_sub_ptr = 0; |
| 995 | return AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | if (*got_sub_ptr) |
| 1000 | avctx->frame_num++; |
| 1001 | } |
| 1002 | |
| 1003 | return ret; |
| 1004 | } |
| 1005 | |
| 1006 | enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *avctx, |
| 1007 | const enum AVPixelFormat *fmt) |
| 1008 | { |
| 1009 | const AVCodecHWConfig *config; |
| 1010 | int i, n; |
| 1011 | |
| 1012 | // If a device was supplied when the codec was opened, assume that the |
| 1013 | // user wants to use it. |
| 1014 | if (avctx->hw_device_ctx && ffcodec(avctx->codec)->hw_configs) { |
| 1015 | AVHWDeviceContext *device_ctx = |
| 1016 | (AVHWDeviceContext*)avctx->hw_device_ctx->data; |
| 1017 | for (i = 0;; i++) { |
| 1018 | config = &ffcodec(avctx->codec)->hw_configs[i]->public; |
| 1019 | if (!config) |
| 1020 | break; |
| 1021 | if (!(config->methods & |
| 1022 | AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)) |
| 1023 | continue; |
| 1024 | if (device_ctx->type != config->device_type) |
| 1025 | continue; |
| 1026 | for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) { |
| 1027 | if (config->pix_fmt == fmt[n]) |
| 1028 | return fmt[n]; |
| 1029 | } |
| 1030 | } |
| 1031 | } |
| 1032 | // No device or other setup, so we have to choose from things which |
| 1033 | // don't any other external information. |
| 1034 | |
| 1035 | // Choose the first software format |
| 1036 | // (this should be best software format if any exist). |
| 1037 | for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) { |
| 1038 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt[n]); |
| 1039 | if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL(1 << 3))) |
| 1040 | return fmt[n]; |
| 1041 | } |
| 1042 | |
| 1043 | // Finally, traverse the list in order and choose the first entry |
| 1044 | // with no external dependencies (if there is no hardware configuration |
| 1045 | // information available then this just picks the first entry). |
| 1046 | for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++) { |
| 1047 | for (i = 0;; i++) { |
| 1048 | config = avcodec_get_hw_config(avctx->codec, i); |
| 1049 | if (!config) |
| 1050 | break; |
| 1051 | if (config->pix_fmt == fmt[n]) |
| 1052 | break; |
| 1053 | } |
| 1054 | if (!config) { |
| 1055 | // No specific config available, so the decoder must be able |
| 1056 | // to handle this format without any additional setup. |
| 1057 | return fmt[n]; |
| 1058 | } |
| 1059 | if (config->methods & AV_CODEC_HW_CONFIG_METHOD_INTERNAL) { |
| 1060 | // Usable with only internal setup. |
| 1061 | return fmt[n]; |
| 1062 | } |
| 1063 | } |
| 1064 | |
| 1065 | // Nothing is usable, give up. |
| 1066 | return AV_PIX_FMT_NONE; |
| 1067 | } |
| 1068 | |
| 1069 | int ff_decode_get_hw_frames_ctx(AVCodecContext *avctx, |
| 1070 | enum AVHWDeviceType dev_type) |
| 1071 | { |
| 1072 | AVHWDeviceContext *device_ctx; |
| 1073 | AVHWFramesContext *frames_ctx; |
| 1074 | int ret; |
| 1075 | |
| 1076 | if (!avctx->hwaccel) |
| 1077 | return AVERROR(ENOSYS)(-(38)); |
| 1078 | |
| 1079 | if (avctx->hw_frames_ctx) |
| 1080 | return 0; |
| 1081 | if (!avctx->hw_device_ctx) { |
| 1082 | av_log(avctx, AV_LOG_ERROR16, "A hardware frames or device context is " |
| 1083 | "required for hardware accelerated decoding.\n"); |
| 1084 | return AVERROR(EINVAL)(-(22)); |
| 1085 | } |
| 1086 | |
| 1087 | device_ctx = (AVHWDeviceContext *)avctx->hw_device_ctx->data; |
| 1088 | if (device_ctx->type != dev_type) { |
| 1089 | av_log(avctx, AV_LOG_ERROR16, "Device type %s expected for hardware " |
| 1090 | "decoding, but got %s.\n", av_hwdevice_get_type_name(dev_type), |
| 1091 | av_hwdevice_get_type_name(device_ctx->type)); |
| 1092 | return AVERROR(EINVAL)(-(22)); |
| 1093 | } |
| 1094 | |
| 1095 | ret = avcodec_get_hw_frames_parameters(avctx, |
| 1096 | avctx->hw_device_ctx, |
| 1097 | avctx->hwaccel->pix_fmt, |
| 1098 | &avctx->hw_frames_ctx); |
| 1099 | if (ret < 0) |
| 1100 | return ret; |
| 1101 | |
| 1102 | frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
| 1103 | |
| 1104 | |
| 1105 | if (frames_ctx->initial_pool_size) { |
| 1106 | // We guarantee 4 base work surfaces. The function above guarantees 1 |
| 1107 | // (the absolute minimum), so add the missing count. |
| 1108 | frames_ctx->initial_pool_size += 3; |
| 1109 | } |
| 1110 | |
| 1111 | ret = av_hwframe_ctx_init(avctx->hw_frames_ctx); |
| 1112 | if (ret < 0) { |
| 1113 | av_buffer_unref(&avctx->hw_frames_ctx); |
| 1114 | return ret; |
| 1115 | } |
| 1116 | |
| 1117 | return 0; |
| 1118 | } |
| 1119 | |
| 1120 | int avcodec_get_hw_frames_parameters(AVCodecContext *avctx, |
| 1121 | AVBufferRef *device_ref, |
| 1122 | enum AVPixelFormat hw_pix_fmt, |
| 1123 | AVBufferRef **out_frames_ref) |
| 1124 | { |
| 1125 | AVBufferRef *frames_ref = NULL((void*)0); |
| 1126 | const AVCodecHWConfigInternal *hw_config; |
| 1127 | const FFHWAccel *hwa; |
| 1128 | int i, ret; |
| 1129 | bool_Bool clean_priv_data = false0; |
| 1130 | |
| 1131 | for (i = 0;; i++) { |
| 1132 | hw_config = ffcodec(avctx->codec)->hw_configs[i]; |
| 1133 | if (!hw_config) |
| 1134 | return AVERROR(ENOENT)(-(2)); |
| 1135 | if (hw_config->public.pix_fmt == hw_pix_fmt) |
| 1136 | break; |
| 1137 | } |
| 1138 | |
| 1139 | hwa = hw_config->hwaccel; |
| 1140 | if (!hwa || !hwa->frame_params) |
| 1141 | return AVERROR(ENOENT)(-(2)); |
| 1142 | |
| 1143 | frames_ref = av_hwframe_ctx_alloc(device_ref); |
| 1144 | if (!frames_ref) |
| 1145 | return AVERROR(ENOMEM)(-(12)); |
| 1146 | |
| 1147 | if (!avctx->internal->hwaccel_priv_data) { |
| 1148 | avctx->internal->hwaccel_priv_data = |
| 1149 | av_mallocz(hwa->priv_data_size); |
| 1150 | if (!avctx->internal->hwaccel_priv_data) { |
| 1151 | av_buffer_unref(&frames_ref); |
| 1152 | return AVERROR(ENOMEM)(-(12)); |
| 1153 | } |
| 1154 | clean_priv_data = true1; |
| 1155 | } |
| 1156 | |
| 1157 | ret = hwa->frame_params(avctx, frames_ref); |
| 1158 | if (ret >= 0) { |
| 1159 | AVHWFramesContext *frames_ctx = (AVHWFramesContext*)frames_ref->data; |
| 1160 | |
| 1161 | if (frames_ctx->initial_pool_size) { |
| 1162 | // If the user has requested that extra output surfaces be |
| 1163 | // available then add them here. |
| 1164 | if (avctx->extra_hw_frames > 0) |
| 1165 | frames_ctx->initial_pool_size += avctx->extra_hw_frames; |
| 1166 | |
| 1167 | // If frame threading is enabled then an extra surface per thread |
| 1168 | // is also required. |
| 1169 | if (avctx->active_thread_type & FF_THREAD_FRAME1) |
| 1170 | frames_ctx->initial_pool_size += avctx->thread_count; |
| 1171 | } |
| 1172 | |
| 1173 | *out_frames_ref = frames_ref; |
| 1174 | } else { |
| 1175 | if (clean_priv_data) |
| 1176 | av_freep(&avctx->internal->hwaccel_priv_data); |
| 1177 | av_buffer_unref(&frames_ref); |
| 1178 | } |
| 1179 | return ret; |
| 1180 | } |
| 1181 | |
| 1182 | static int hwaccel_init(AVCodecContext *avctx, |
| 1183 | const FFHWAccel *hwaccel) |
| 1184 | { |
| 1185 | int err; |
| 1186 | |
| 1187 | if (hwaccel->p.capabilities & AV_HWACCEL_CODEC_CAP_EXPERIMENTAL0x0200 && |
| 1188 | avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL-2) { |
| 1189 | av_log(avctx, AV_LOG_WARNING24, "Ignoring experimental hwaccel: %s\n", |
| 1190 | hwaccel->p.name); |
| 1191 | return AVERROR_PATCHWELCOME(-(int)(('P') | (('A') << 8) | (('W') << 16) | (( unsigned)('E') << 24))); |
| 1192 | } |
| 1193 | |
| 1194 | if (!avctx->internal->hwaccel_priv_data && hwaccel->priv_data_size) { |
| 1195 | avctx->internal->hwaccel_priv_data = |
| 1196 | av_mallocz(hwaccel->priv_data_size); |
| 1197 | if (!avctx->internal->hwaccel_priv_data) |
| 1198 | return AVERROR(ENOMEM)(-(12)); |
| 1199 | } |
| 1200 | |
| 1201 | avctx->hwaccel = &hwaccel->p; |
| 1202 | if (hwaccel->init) { |
| 1203 | err = hwaccel->init(avctx); |
| 1204 | if (err < 0) { |
| 1205 | av_log(avctx, AV_LOG_ERROR16, "Failed setup for format %s: " |
| 1206 | "hwaccel initialisation returned error.\n", |
| 1207 | av_get_pix_fmt_name(hwaccel->p.pix_fmt)); |
| 1208 | av_freep(&avctx->internal->hwaccel_priv_data); |
| 1209 | avctx->hwaccel = NULL((void*)0); |
| 1210 | return err; |
| 1211 | } |
| 1212 | } |
| 1213 | |
| 1214 | return 0; |
| 1215 | } |
| 1216 | |
| 1217 | void ff_hwaccel_uninit(AVCodecContext *avctx) |
| 1218 | { |
| 1219 | if (FF_HW_HAS_CB(avctx, uninit)((avctx)->hwaccel && ffhwaccel((avctx)->hwaccel )->uninit)) |
| 1220 | FF_HW_SIMPLE_CALL(avctx, uninit)(ffhwaccel((avctx)->hwaccel)->uninit(avctx)); |
| 1221 | |
| 1222 | av_freep(&avctx->internal->hwaccel_priv_data); |
| 1223 | |
| 1224 | avctx->hwaccel = NULL((void*)0); |
| 1225 | |
| 1226 | av_buffer_unref(&avctx->hw_frames_ctx); |
| 1227 | } |
| 1228 | |
| 1229 | int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt) |
| 1230 | { |
| 1231 | const AVPixFmtDescriptor *desc; |
| 1232 | enum AVPixelFormat *choices; |
| 1233 | enum AVPixelFormat ret, user_choice; |
| 1234 | const AVCodecHWConfigInternal *hw_config; |
| 1235 | const AVCodecHWConfig *config; |
| 1236 | int i, n, err; |
| 1237 | |
| 1238 | // Find end of list. |
| 1239 | for (n = 0; fmt[n] != AV_PIX_FMT_NONE; n++); |
| 1240 | // Must contain at least one entry. |
| 1241 | av_assert0(n >= 1)do { if (!(n >= 1)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "n >= 1", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 1241); abort(); } } while (0); |
| 1242 | // If a software format is available, it must be the last entry. |
| 1243 | desc = av_pix_fmt_desc_get(fmt[n - 1]); |
| 1244 | if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL(1 << 3)) { |
| 1245 | // No software format is available. |
| 1246 | } else { |
| 1247 | avctx->sw_pix_fmt = fmt[n - 1]; |
| 1248 | } |
| 1249 | |
| 1250 | choices = av_memdup(fmt, (n + 1) * sizeof(*choices)); |
| 1251 | if (!choices) |
| 1252 | return AV_PIX_FMT_NONE; |
| 1253 | |
| 1254 | for (;;) { |
| 1255 | // Remove the previous hwaccel, if there was one. |
| 1256 | ff_hwaccel_uninit(avctx); |
| 1257 | |
| 1258 | user_choice = avctx->get_format(avctx, choices); |
| 1259 | if (user_choice == AV_PIX_FMT_NONE) { |
| 1260 | // Explicitly chose nothing, give up. |
| 1261 | ret = AV_PIX_FMT_NONE; |
| 1262 | break; |
| 1263 | } |
| 1264 | |
| 1265 | desc = av_pix_fmt_desc_get(user_choice); |
| 1266 | if (!desc) { |
| 1267 | av_log(avctx, AV_LOG_ERROR16, "Invalid format returned by " |
| 1268 | "get_format() callback.\n"); |
| 1269 | ret = AV_PIX_FMT_NONE; |
| 1270 | break; |
| 1271 | } |
| 1272 | av_log(avctx, AV_LOG_DEBUG48, "Format %s chosen by get_format().\n", |
| 1273 | desc->name); |
| 1274 | |
| 1275 | for (i = 0; i < n; i++) { |
| 1276 | if (choices[i] == user_choice) |
| 1277 | break; |
| 1278 | } |
| 1279 | if (i == n) { |
| 1280 | av_log(avctx, AV_LOG_ERROR16, "Invalid return from get_format(): " |
| 1281 | "%s not in possible list.\n", desc->name); |
| 1282 | ret = AV_PIX_FMT_NONE; |
| 1283 | break; |
| 1284 | } |
| 1285 | |
| 1286 | if (ffcodec(avctx->codec)->hw_configs) { |
| 1287 | for (i = 0;; i++) { |
| 1288 | hw_config = ffcodec(avctx->codec)->hw_configs[i]; |
| 1289 | if (!hw_config) |
| 1290 | break; |
| 1291 | if (hw_config->public.pix_fmt == user_choice) |
| 1292 | break; |
| 1293 | } |
| 1294 | } else { |
| 1295 | hw_config = NULL((void*)0); |
| 1296 | } |
| 1297 | |
| 1298 | if (!hw_config) { |
| 1299 | // No config available, so no extra setup required. |
| 1300 | ret = user_choice; |
| 1301 | break; |
| 1302 | } |
| 1303 | config = &hw_config->public; |
| 1304 | |
| 1305 | if (config->methods & |
| 1306 | AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX && |
| 1307 | avctx->hw_frames_ctx) { |
| 1308 | const AVHWFramesContext *frames_ctx = |
| 1309 | (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
| 1310 | if (frames_ctx->format != user_choice) { |
| 1311 | av_log(avctx, AV_LOG_ERROR16, "Invalid setup for format %s: " |
| 1312 | "does not match the format of the provided frames " |
| 1313 | "context.\n", desc->name); |
| 1314 | goto try_again; |
| 1315 | } |
| 1316 | } else if (config->methods & |
| 1317 | AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX && |
| 1318 | avctx->hw_device_ctx) { |
| 1319 | const AVHWDeviceContext *device_ctx = |
| 1320 | (AVHWDeviceContext*)avctx->hw_device_ctx->data; |
| 1321 | if (device_ctx->type != config->device_type) { |
| 1322 | av_log(avctx, AV_LOG_ERROR16, "Invalid setup for format %s: " |
| 1323 | "does not match the type of the provided device " |
| 1324 | "context.\n", desc->name); |
| 1325 | goto try_again; |
| 1326 | } |
| 1327 | } else if (config->methods & |
| 1328 | AV_CODEC_HW_CONFIG_METHOD_INTERNAL) { |
| 1329 | // Internal-only setup, no additional configuration. |
| 1330 | } else if (config->methods & |
| 1331 | AV_CODEC_HW_CONFIG_METHOD_AD_HOC) { |
| 1332 | // Some ad-hoc configuration we can't see and can't check. |
| 1333 | } else { |
| 1334 | av_log(avctx, AV_LOG_ERROR16, "Invalid setup for format %s: " |
| 1335 | "missing configuration.\n", desc->name); |
| 1336 | goto try_again; |
| 1337 | } |
| 1338 | if (hw_config->hwaccel) { |
| 1339 | av_log(avctx, AV_LOG_DEBUG48, "Format %s requires hwaccel %s " |
| 1340 | "initialisation.\n", desc->name, hw_config->hwaccel->p.name); |
| 1341 | err = hwaccel_init(avctx, hw_config->hwaccel); |
| 1342 | if (err < 0) |
| 1343 | goto try_again; |
| 1344 | } |
| 1345 | ret = user_choice; |
| 1346 | break; |
| 1347 | |
| 1348 | try_again: |
| 1349 | av_log(avctx, AV_LOG_DEBUG48, "Format %s not usable, retrying " |
| 1350 | "get_format() without it.\n", desc->name); |
| 1351 | for (i = 0; i < n; i++) { |
| 1352 | if (choices[i] == user_choice) |
| 1353 | break; |
| 1354 | } |
| 1355 | for (; i + 1 < n; i++) |
| 1356 | choices[i] = choices[i + 1]; |
| 1357 | --n; |
| 1358 | } |
| 1359 | |
| 1360 | if (ret < 0) |
| 1361 | ff_hwaccel_uninit(avctx); |
| 1362 | |
| 1363 | av_freep(&choices); |
| 1364 | return ret; |
| 1365 | } |
| 1366 | |
| 1367 | static const AVPacketSideData* |
| 1368 | packet_side_data_get(const AVPacketSideData *sd, int nb_sd, |
| 1369 | enum AVPacketSideDataType type) |
| 1370 | { |
| 1371 | for (int i = 0; i < nb_sd; i++) |
| 1372 | if (sd[i].type == type) |
| 1373 | return &sd[i]; |
| 1374 | |
| 1375 | return NULL((void*)0); |
| 1376 | } |
| 1377 | |
| 1378 | const AVPacketSideData *ff_get_coded_side_data(const AVCodecContext *avctx, |
| 1379 | enum AVPacketSideDataType type) |
| 1380 | { |
| 1381 | return packet_side_data_get(avctx->coded_side_data, avctx->nb_coded_side_data, type); |
| 1382 | } |
| 1383 | |
| 1384 | static int side_data_stereo3d_merge(AVFrameSideData *sd_frame, |
| 1385 | const AVPacketSideData *sd_pkt) |
| 1386 | { |
| 1387 | const AVStereo3D *src; |
| 1388 | AVStereo3D *dst; |
| 1389 | int ret; |
| 1390 | |
| 1391 | ret = av_buffer_make_writable(&sd_frame->buf); |
| 1392 | if (ret < 0) |
| 1393 | return ret; |
| 1394 | sd_frame->data = sd_frame->buf->data; |
| 1395 | |
| 1396 | dst = ( AVStereo3D*)sd_frame->data; |
| 1397 | src = (const AVStereo3D*)sd_pkt->data; |
| 1398 | |
| 1399 | if (dst->type == AV_STEREO3D_UNSPEC) |
| 1400 | dst->type = src->type; |
| 1401 | |
| 1402 | if (dst->view == AV_STEREO3D_VIEW_UNSPEC) |
| 1403 | dst->view = src->view; |
| 1404 | |
| 1405 | if (dst->primary_eye == AV_PRIMARY_EYE_NONE) |
| 1406 | dst->primary_eye = src->primary_eye; |
| 1407 | |
| 1408 | if (!dst->baseline) |
| 1409 | dst->baseline = src->baseline; |
| 1410 | |
| 1411 | if (!dst->horizontal_disparity_adjustment.num) |
| 1412 | dst->horizontal_disparity_adjustment = src->horizontal_disparity_adjustment; |
| 1413 | |
| 1414 | if (!dst->horizontal_field_of_view.num) |
| 1415 | dst->horizontal_field_of_view = src->horizontal_field_of_view; |
| 1416 | |
| 1417 | return 0; |
| 1418 | } |
| 1419 | |
| 1420 | static int side_data_exif_parse(AVFrame *dst, const AVPacketSideData *sd_pkt) |
| 1421 | { |
| 1422 | AVExifMetadata ifd = { 0 }; |
| 1423 | AVExifEntry *entry = NULL((void*)0); |
| 1424 | AVBufferRef *buf = NULL((void*)0); |
| 1425 | AVFrameSideData *sd_frame; |
| 1426 | int ret; |
| 1427 | |
| 1428 | ret = av_exif_parse_buffer(NULL((void*)0), sd_pkt->data, sd_pkt->size, &ifd, |
| 1429 | AV_EXIF_TIFF_HEADER); |
| 1430 | if (ret < 0) |
| 1431 | return ret; |
| 1432 | |
| 1433 | ret = av_exif_get_entry(NULL((void*)0), &ifd, av_exif_get_tag_id("Orientation"), 0, &entry); |
| 1434 | if (ret < 0) |
| 1435 | goto end; |
| 1436 | |
| 1437 | if (!entry) { |
| 1438 | ret = av_exif_ifd_to_dict(NULL((void*)0), &ifd, &dst->metadata); |
| 1439 | if (ret < 0) |
| 1440 | goto end; |
| 1441 | |
| 1442 | sd_frame = av_frame_side_data_new(&dst->side_data, &dst->nb_side_data, AV_FRAME_DATA_EXIF, |
| 1443 | sd_pkt->size, 0); |
| 1444 | if (sd_frame) |
| 1445 | memcpy(sd_frame->data, sd_pkt->data, sd_pkt->size); |
| 1446 | ret = sd_frame ? 0 : AVERROR(ENOMEM)(-(12)); |
| 1447 | |
| 1448 | goto end; |
| 1449 | } else if (entry->count <= 0 || entry->type != AV_TIFF_SHORT) { |
| 1450 | ret = AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 1451 | goto end; |
| 1452 | } |
| 1453 | |
| 1454 | // If a display matrix already exists in the frame, give it priority |
| 1455 | if (av_frame_side_data_get(dst->side_data, dst->nb_side_data, AV_FRAME_DATA_DISPLAYMATRIX)) |
| 1456 | goto finish; |
| 1457 | |
| 1458 | sd_frame = av_frame_side_data_new(&dst->side_data, &dst->nb_side_data, AV_FRAME_DATA_DISPLAYMATRIX, |
| 1459 | sizeof(int32_t) * 9, 0); |
| 1460 | if (!sd_frame) { |
| 1461 | ret = AVERROR(ENOMEM)(-(12)); |
| 1462 | goto end; |
| 1463 | } |
| 1464 | |
| 1465 | ret = av_exif_orientation_to_matrix((int32_t *)sd_frame->data, entry->value.uint[0]); |
| 1466 | if (ret < 0) |
| 1467 | goto end; |
| 1468 | |
| 1469 | finish: |
| 1470 | av_exif_remove_entry(NULL((void*)0), &ifd, entry->id, 0); |
| 1471 | |
| 1472 | ret = av_exif_ifd_to_dict(NULL((void*)0), &ifd, &dst->metadata); |
| 1473 | if (ret < 0) |
| 1474 | goto end; |
| 1475 | |
| 1476 | ret = av_exif_write(NULL((void*)0), &ifd, &buf, AV_EXIF_TIFF_HEADER); |
| 1477 | if (ret < 0) |
| 1478 | goto end; |
| 1479 | |
| 1480 | if (!av_frame_side_data_add(&dst->side_data, &dst->nb_side_data, AV_FRAME_DATA_EXIF, &buf, 0)) { |
| 1481 | ret = AVERROR(ENOMEM)(-(12)); |
| 1482 | goto end; |
| 1483 | } |
| 1484 | |
| 1485 | ret = 0; |
| 1486 | end: |
| 1487 | av_buffer_unref(&buf); |
| 1488 | av_exif_free(&ifd); |
| 1489 | return ret; |
| 1490 | } |
| 1491 | |
| 1492 | static int side_data_map(AVFrame *dst, |
| 1493 | const AVPacketSideData *sd_src, int nb_sd_src, |
| 1494 | const SideDataMap *map) |
| 1495 | |
| 1496 | { |
| 1497 | for (int i = 0; map[i].packet < AV_PKT_DATA_NB; i++) { |
| 1498 | const enum AVPacketSideDataType type_pkt = map[i].packet; |
| 1499 | const enum AVFrameSideDataType type_frame = map[i].frame; |
| 1500 | const AVPacketSideData *sd_pkt; |
| 1501 | AVFrameSideData *sd_frame; |
| 1502 | |
| 1503 | sd_pkt = packet_side_data_get(sd_src, nb_sd_src, type_pkt); |
| 1504 | if (!sd_pkt) |
| 1505 | continue; |
| 1506 | |
| 1507 | sd_frame = av_frame_get_side_data(dst, type_frame); |
| 1508 | if (sd_frame) { |
| 1509 | if (type_frame == AV_FRAME_DATA_STEREO3D) { |
| 1510 | int ret = side_data_stereo3d_merge(sd_frame, sd_pkt); |
| 1511 | if (ret < 0) |
| 1512 | return ret; |
| 1513 | } |
| 1514 | |
| 1515 | continue; |
| 1516 | } |
| 1517 | |
| 1518 | switch (type_pkt) { |
| 1519 | case AV_PKT_DATA_EXIF: { |
| 1520 | int ret = side_data_exif_parse(dst, sd_pkt); |
| 1521 | if (ret < 0) |
| 1522 | return ret; |
| 1523 | break; |
| 1524 | } |
| 1525 | default: |
| 1526 | sd_frame = av_frame_new_side_data(dst, type_frame, sd_pkt->size); |
| 1527 | if (!sd_frame) |
| 1528 | return AVERROR(ENOMEM)(-(12)); |
| 1529 | |
| 1530 | memcpy(sd_frame->data, sd_pkt->data, sd_pkt->size); |
| 1531 | break; |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | return 0; |
| 1536 | } |
| 1537 | |
| 1538 | static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame) |
| 1539 | { |
| 1540 | size_t size; |
| 1541 | const uint8_t *side_metadata; |
| 1542 | |
| 1543 | AVDictionary **frame_md = &frame->metadata; |
| 1544 | |
| 1545 | side_metadata = av_packet_get_side_data(avpkt, |
| 1546 | AV_PKT_DATA_STRINGS_METADATA, &size); |
| 1547 | return av_packet_unpack_dictionary(side_metadata, size, frame_md); |
| 1548 | } |
| 1549 | |
| 1550 | int ff_decode_frame_props_from_pkt(const AVCodecContext *avctx, |
| 1551 | AVFrame *frame, const AVPacket *pkt) |
| 1552 | { |
| 1553 | static const SideDataMap sd[] = { |
| 1554 | { AV_PKT_DATA_A53_CC, AV_FRAME_DATA_A53_CC }, |
| 1555 | { AV_PKT_DATA_AFD, AV_FRAME_DATA_AFD }, |
| 1556 | { AV_PKT_DATA_DYNAMIC_HDR10_PLUS, AV_FRAME_DATA_DYNAMIC_HDR_PLUS }, |
| 1557 | { AV_PKT_DATA_DYNAMIC_HDR_SMPTE_2094_APP5, AV_FRAME_DATA_DYNAMIC_HDR_SMPTE_2094_APP5 }, |
| 1558 | { AV_PKT_DATA_S12M_TIMECODE, AV_FRAME_DATA_S12M_TIMECODE }, |
| 1559 | { AV_PKT_DATA_SKIP_SAMPLES, AV_FRAME_DATA_SKIP_SAMPLES }, |
| 1560 | { AV_PKT_DATA_LCEVC, AV_FRAME_DATA_LCEVC }, |
| 1561 | { AV_PKT_DATA_IAMF_MIX_GAIN_PARAM, AV_FRAME_DATA_IAMF_MIX_GAIN_PARAM }, |
| 1562 | { AV_PKT_DATA_IAMF_DEMIXING_INFO_PARAM, AV_FRAME_DATA_IAMF_DEMIXING_INFO_PARAM }, |
| 1563 | { AV_PKT_DATA_IAMF_RECON_GAIN_INFO_PARAM, AV_FRAME_DATA_IAMF_RECON_GAIN_INFO_PARAM }, |
| 1564 | { AV_PKT_DATA_NB } |
| 1565 | }; |
| 1566 | |
| 1567 | int ret = 0; |
| 1568 | |
| 1569 | frame->pts = pkt->pts; |
| 1570 | frame->duration = pkt->duration; |
| 1571 | |
| 1572 | if (pkt->side_data_elems) { |
| 1573 | ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, ff_sd_global_map); |
| 1574 | if (ret < 0) |
| 1575 | return ret; |
| 1576 | |
| 1577 | ret = side_data_map(frame, pkt->side_data, pkt->side_data_elems, sd); |
| 1578 | if (ret < 0) |
| 1579 | return ret; |
| 1580 | |
| 1581 | add_metadata_from_side_data(pkt, frame); |
| 1582 | } |
| 1583 | |
| 1584 | if (pkt->flags & AV_PKT_FLAG_DISCARD0x0004) { |
| 1585 | frame->flags |= AV_FRAME_FLAG_DISCARD(1 << 2); |
| 1586 | } |
| 1587 | |
| 1588 | if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE(1 << 7)) { |
| 1589 | ret = av_buffer_replace(&frame->opaque_ref, pkt->opaque_ref); |
| 1590 | if (ret < 0) |
| 1591 | return ret; |
| 1592 | frame->opaque = pkt->opaque; |
| 1593 | } |
| 1594 | |
| 1595 | return 0; |
| 1596 | } |
| 1597 | |
| 1598 | int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame) |
| 1599 | { |
| 1600 | int ret; |
| 1601 | |
| 1602 | ret = side_data_map(frame, avctx->coded_side_data, avctx->nb_coded_side_data, |
| 1603 | ff_sd_global_map); |
| 1604 | if (ret < 0) |
| 1605 | return ret; |
| 1606 | |
| 1607 | for (int i = 0; i < avctx->nb_decoded_side_data; i++) { |
| 1608 | const AVFrameSideData *src = avctx->decoded_side_data[i]; |
| 1609 | if (av_frame_get_side_data(frame, src->type)) |
| 1610 | continue; |
| 1611 | ret = av_frame_side_data_clone(&frame->side_data, &frame->nb_side_data, src, 0); |
| 1612 | if (ret < 0) |
| 1613 | return ret; |
| 1614 | } |
| 1615 | |
| 1616 | if (!(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SETS_FRAME_PROPS(1 << 8))) { |
| 1617 | const AVPacket *pkt = avctx->internal->last_pkt_props; |
| 1618 | |
| 1619 | ret = ff_decode_frame_props_from_pkt(avctx, frame, pkt); |
| 1620 | if (ret < 0) |
| 1621 | return ret; |
| 1622 | } |
| 1623 | |
| 1624 | ret = fill_frame_props(avctx, frame); |
| 1625 | if (ret < 0) |
| 1626 | return ret; |
| 1627 | |
| 1628 | switch (avctx->codec->type) { |
| 1629 | case AVMEDIA_TYPE_VIDEO: |
| 1630 | if (frame->width && frame->height && |
| 1631 | av_image_check_sar(frame->width, frame->height, |
| 1632 | frame->sample_aspect_ratio) < 0) { |
| 1633 | av_log(avctx, AV_LOG_WARNING24, "ignoring invalid SAR: %u/%u\n", |
| 1634 | frame->sample_aspect_ratio.num, |
| 1635 | frame->sample_aspect_ratio.den); |
| 1636 | frame->sample_aspect_ratio = (AVRational){ 0, 1 }; |
| 1637 | } |
| 1638 | break; |
| 1639 | } |
| 1640 | |
| 1641 | #if CONFIG_LIBLCEVC_DEC0 |
| 1642 | AVCodecInternal *avci = avctx->internal; |
| 1643 | DecodeContext *dc = decode_ctx(avci); |
| 1644 | |
| 1645 | dc->lcevc.frame = dc->lcevc.ctx && |
| 1646 | av_frame_get_side_data(frame, AV_FRAME_DATA_LCEVC); |
| 1647 | |
| 1648 | if (dc->lcevc.frame) { |
| 1649 | ret = ff_lcevc_parse_frame(dc->lcevc.ctx, frame, &dc->lcevc.format, |
| 1650 | &dc->lcevc.width, &dc->lcevc.height); |
| 1651 | if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE(1<<3))) |
| 1652 | return ret; |
| 1653 | |
| 1654 | // force get_buffer2() to allocate the base frame using the same dimensions |
| 1655 | // as the final enhanced frame, in order to prevent reinitializing the buffer |
| 1656 | // pools unnecessarely |
| 1657 | if (!ret && dc->lcevc.width && dc->lcevc.height) { |
| 1658 | dc->lcevc.base_width = frame->width; |
| 1659 | dc->lcevc.base_height = frame->height; |
| 1660 | frame->width = dc->lcevc.width; |
| 1661 | frame->height = dc->lcevc.height; |
| 1662 | } else |
| 1663 | dc->lcevc.frame = 0; |
| 1664 | } |
| 1665 | #endif |
| 1666 | |
| 1667 | return 0; |
| 1668 | } |
| 1669 | |
| 1670 | static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame) |
| 1671 | { |
| 1672 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1673 | int i; |
| 1674 | int num_planes = av_pix_fmt_count_planes(frame->format); |
| 1675 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); |
| 1676 | int flags = desc ? desc->flags : 0; |
| 1677 | if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL(1 << 1))) |
| 1678 | num_planes = 2; |
| 1679 | for (i = 0; i < num_planes; i++) { |
| 1680 | av_assert0(frame->data[i])do { if (!(frame->data[i])) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "frame->data[i]", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 1680); abort(); } } while (0); |
| 1681 | } |
| 1682 | // For formats without data like hwaccel allow unused pointers to be non-NULL. |
| 1683 | for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data)(sizeof(frame->data) / sizeof((frame->data)[0])); i++) { |
| 1684 | if (frame->data[i]) |
| 1685 | av_log(avctx, AV_LOG_ERROR16, "Buffer returned by get_buffer2() did not zero unused plane pointers\n"); |
| 1686 | frame->data[i] = NULL((void*)0); |
| 1687 | } |
| 1688 | } |
| 1689 | } |
| 1690 | |
| 1691 | static void decode_data_free(AVRefStructOpaque unused, void *obj) |
| 1692 | { |
| 1693 | FrameDecodeData *fdd = obj; |
| 1694 | |
| 1695 | if (CONFIG_LIBLCEVC_DEC0) |
| 1696 | av_refstruct_unref(&fdd->post_process_opaque); |
| 1697 | else |
| 1698 | av_assert1(!fdd->post_process_opaque)do { if (!(!fdd->post_process_opaque)) { av_log(((void*)0) , 0, "Assertion %s failed at %s:%d\n", "!fdd->post_process_opaque" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1698 ); abort(); } } while (0); |
| 1699 | |
| 1700 | if (fdd->hwaccel_priv_free) |
| 1701 | fdd->hwaccel_priv_free(fdd->hwaccel_priv); |
| 1702 | } |
| 1703 | |
| 1704 | int ff_attach_decode_data(AVCodecContext *avctx, AVFrame *frame) |
| 1705 | { |
| 1706 | FrameDecodeData *fdd; |
| 1707 | |
| 1708 | av_assert1(!frame->private_ref)do { if (!(!frame->private_ref)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "!frame->private_ref", "/root/firefox-clang/media/ffvpx/libavcodec/decode.c" , 1708); abort(); } } while (0); |
| 1709 | av_refstruct_unref(&frame->private_ref); |
| 1710 | |
| 1711 | fdd = av_refstruct_alloc_ext(sizeof(*fdd), 0, NULL((void*)0), decode_data_free); |
| 1712 | if (!fdd) |
| 1713 | return AVERROR(ENOMEM)(-(12)); |
| 1714 | |
| 1715 | frame->private_ref = fdd; |
| 1716 | |
| 1717 | #if CONFIG_LIBLCEVC_DEC0 |
| 1718 | AVCodecInternal *avci = avctx->internal; |
| 1719 | DecodeContext *dc = decode_ctx(avci); |
| 1720 | |
| 1721 | if (!dc->lcevc.frame) { |
| 1722 | dc->lcevc.frame = dc->lcevc.ctx && |
| 1723 | av_frame_get_side_data(frame, AV_FRAME_DATA_LCEVC); |
| 1724 | |
| 1725 | if (dc->lcevc.frame) { |
| 1726 | int ret = ff_lcevc_parse_frame(dc->lcevc.ctx, frame, &dc->lcevc.format, |
| 1727 | &dc->lcevc.width, &dc->lcevc.height); |
| 1728 | if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE(1<<3))) |
| 1729 | return ret; |
| 1730 | |
| 1731 | if (!ret && dc->lcevc.width && dc->lcevc.height) { |
| 1732 | dc->lcevc.base_width = frame->width; |
| 1733 | dc->lcevc.base_height = frame->height; |
| 1734 | } else |
| 1735 | dc->lcevc.frame = 0; |
| 1736 | } |
| 1737 | } |
| 1738 | if (dc->lcevc.frame) { |
| 1739 | FFLCEVCFrame *frame_ctx; |
| 1740 | int ret; |
| 1741 | |
| 1742 | if (fdd->post_process || !dc->lcevc.width || !dc->lcevc.height) { |
| 1743 | dc->lcevc.frame = 0; |
| 1744 | return 0; |
| 1745 | } |
| 1746 | |
| 1747 | frame_ctx = av_refstruct_pool_get(dc->lcevc.ctx->frame_pool); |
| 1748 | if (!frame_ctx) |
| 1749 | return AVERROR(ENOMEM)(-(12)); |
| 1750 | |
| 1751 | frame_ctx->lcevc = av_refstruct_ref(dc->lcevc.ctx); |
| 1752 | frame_ctx->frame->width = dc->lcevc.width; |
| 1753 | frame_ctx->frame->height = dc->lcevc.height; |
| 1754 | frame_ctx->frame->format = dc->lcevc.format; |
| 1755 | avctx->bits_per_raw_sample = av_pix_fmt_desc_get(dc->lcevc.format)->comp[0].depth; |
| 1756 | |
| 1757 | frame->width = dc->lcevc.base_width; |
| 1758 | frame->height = dc->lcevc.base_height; |
| 1759 | |
| 1760 | ret = avctx->get_buffer2(avctx, frame_ctx->frame, 0); |
| 1761 | if (ret < 0) { |
| 1762 | av_refstruct_unref(&frame_ctx); |
| 1763 | return ret; |
| 1764 | } |
| 1765 | |
| 1766 | validate_avframe_allocation(avctx, frame_ctx->frame); |
| 1767 | |
| 1768 | fdd->post_process_opaque = frame_ctx; |
| 1769 | fdd->post_process = ff_lcevc_process; |
| 1770 | } |
| 1771 | dc->lcevc.frame = 0; |
| 1772 | #endif |
| 1773 | |
| 1774 | return 0; |
| 1775 | } |
| 1776 | |
| 1777 | int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) |
| 1778 | { |
| 1779 | const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel); |
| 1780 | int override_dimensions = 1; |
| 1781 | int ret; |
| 1782 | |
| 1783 | av_assert0(ff_codec_is_decoder(avctx->codec))do { if (!(ff_codec_is_decoder(avctx->codec))) { av_log((( void*)0), 0, "Assertion %s failed at %s:%d\n", "ff_codec_is_decoder(avctx->codec)" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1783 ); abort(); } } while (0); |
| 1784 | |
| 1785 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1786 | if ((unsigned)avctx->width > INT_MAX2147483647 - STRIDE_ALIGN64 || |
| 1787 | (ret = av_image_check_size2(FFALIGN(avctx->width, STRIDE_ALIGN)(((avctx->width)+(64)-1)&~((64)-1)), avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) { |
Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret' | |
| 1788 | av_log(avctx, AV_LOG_ERROR16, "video_get_buffer: image parameters invalid\n"); |
| 1789 | ret = AVERROR(EINVAL)(-(22)); |
| 1790 | goto fail; |
| 1791 | } |
| 1792 | |
| 1793 | if (frame->width <= 0 || frame->height <= 0) { |
| 1794 | frame->width = FFMAX(avctx->width, AV_CEIL_RSHIFT(avctx->coded_width, avctx->lowres))((avctx->width) > ((!__builtin_constant_p(avctx->lowres ) ? -((-(avctx->coded_width)) >> (avctx->lowres)) : ((avctx->coded_width) + (1<<(avctx->lowres)) - 1) >> (avctx->lowres))) ? (avctx->width) : ((!__builtin_constant_p (avctx->lowres) ? -((-(avctx->coded_width)) >> (avctx ->lowres)) : ((avctx->coded_width) + (1<<(avctx-> lowres)) - 1) >> (avctx->lowres)))); |
| 1795 | frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres))((avctx->height) > ((!__builtin_constant_p(avctx->lowres ) ? -((-(avctx->coded_height)) >> (avctx->lowres) ) : ((avctx->coded_height) + (1<<(avctx->lowres)) - 1) >> (avctx->lowres))) ? (avctx->height) : (( !__builtin_constant_p(avctx->lowres) ? -((-(avctx->coded_height )) >> (avctx->lowres)) : ((avctx->coded_height) + (1<<(avctx->lowres)) - 1) >> (avctx->lowres )))); |
| 1796 | override_dimensions = 0; |
| 1797 | } |
| 1798 | |
| 1799 | if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) { |
| 1800 | av_log(avctx, AV_LOG_ERROR16, "pic->data[*]!=NULL in get_buffer_internal\n"); |
| 1801 | ret = AVERROR(EINVAL)(-(22)); |
| 1802 | goto fail; |
| 1803 | } |
| 1804 | } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1805 | if (frame->nb_samples * (int64_t)avctx->ch_layout.nb_channels > avctx->max_samples) { |
| 1806 | av_log(avctx, AV_LOG_ERROR16, "samples per frame %d, exceeds max_samples %"PRId64"l" "d""\n", frame->nb_samples, avctx->max_samples); |
| 1807 | ret = AVERROR(EINVAL)(-(22)); |
| 1808 | goto fail; |
| 1809 | } |
| 1810 | } |
| 1811 | ret = ff_decode_frame_props(avctx, frame); |
| 1812 | if (ret < 0) |
| 1813 | goto fail; |
| 1814 | |
| 1815 | if (hwaccel) { |
| 1816 | if (hwaccel->alloc_frame) { |
| 1817 | ret = hwaccel->alloc_frame(avctx, frame); |
| 1818 | goto end; |
| 1819 | } |
| 1820 | } else { |
| 1821 | avctx->sw_pix_fmt = avctx->pix_fmt; |
| 1822 | } |
| 1823 | |
| 1824 | ret = avctx->get_buffer2(avctx, frame, flags); |
| 1825 | if (ret < 0) |
| 1826 | goto fail; |
| 1827 | |
| 1828 | validate_avframe_allocation(avctx, frame); |
| 1829 | |
| 1830 | ret = ff_attach_decode_data(avctx, frame); |
| 1831 | if (ret < 0) |
| 1832 | goto fail; |
| 1833 | |
| 1834 | end: |
| 1835 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions && |
| 1836 | !(ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING(1 << 4))) { |
| 1837 | frame->width = avctx->width; |
| 1838 | frame->height = avctx->height; |
| 1839 | } |
| 1840 | |
| 1841 | fail: |
| 1842 | if (ret < 0) { |
| 1843 | av_log(avctx, AV_LOG_ERROR16, "get_buffer() failed\n"); |
| 1844 | av_frame_unref(frame); |
| 1845 | } |
| 1846 | |
| 1847 | return ret; |
| 1848 | } |
| 1849 | |
| 1850 | static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags) |
| 1851 | { |
| 1852 | int ret; |
| 1853 | |
| 1854 | av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO)do { if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO)) { av_log (((void*)0), 0, "Assertion %s failed at %s:%d\n", "avctx->codec_type == AVMEDIA_TYPE_VIDEO" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1854 ); abort(); } } while (0); |
| 1855 | |
| 1856 | // make sure the discard flag does not persist |
| 1857 | frame->flags &= ~AV_FRAME_FLAG_DISCARD(1 << 2); |
| 1858 | |
| 1859 | if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) { |
| 1860 | av_log(avctx, AV_LOG_WARNING24, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n", |
| 1861 | frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt)); |
| 1862 | av_frame_unref(frame); |
| 1863 | } |
| 1864 | |
| 1865 | if (!frame->data[0]) |
| 1866 | return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF(1 << 0)); |
| 1867 | |
| 1868 | av_frame_side_data_free(&frame->side_data, &frame->nb_side_data); |
| 1869 | |
| 1870 | if ((flags & FF_REGET_BUFFER_FLAG_READONLY1) || av_frame_is_writable(frame)) |
| 1871 | return ff_decode_frame_props(avctx, frame); |
| 1872 | |
| 1873 | uint8_t *data[AV_VIDEO_MAX_PLANES4]; |
| 1874 | AVBufferRef *buf[AV_VIDEO_MAX_PLANES4]; |
| 1875 | int linesize[AV_VIDEO_MAX_PLANES4]; |
| 1876 | |
| 1877 | static_assert_Static_assert(AV_VIDEO_MAX_PLANES4 <= FF_ARRAY_ELEMS(frame->data)(sizeof(frame->data) / sizeof((frame->data)[0])) && |
| 1878 | AV_VIDEO_MAX_PLANES4 <= FF_ARRAY_ELEMS(frame->buf)(sizeof(frame->buf) / sizeof((frame->buf)[0])) && |
| 1879 | AV_VIDEO_MAX_PLANES4 <= FF_ARRAY_ELEMS(frame->linesize)(sizeof(frame->linesize) / sizeof((frame->linesize)[0]) ), |
| 1880 | "Copying code needs to be adjusted"); |
| 1881 | static_assert_Static_assert(sizeof(frame->linesize[0]) == sizeof(linesize[0]), |
| 1882 | "linesize needs to be switched to ptrdiff_t"); |
| 1883 | |
| 1884 | for (int i = 0; i < AV_VIDEO_MAX_PLANES4; ++i) { |
| 1885 | data[i] = frame->data[i]; |
| 1886 | linesize[i] = frame->linesize[i]; |
| 1887 | buf[i] = frame->buf[i]; |
| 1888 | frame->buf[i] = NULL((void*)0); |
| 1889 | } |
| 1890 | av_assert1(!frame->buf[AV_VIDEO_MAX_PLANES] && !frame->extended_buf)do { if (!(!frame->buf[4] && !frame->extended_buf )) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n", "!frame->buf[4] && !frame->extended_buf" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1890 ); abort(); } } while (0); |
| 1891 | |
| 1892 | av_frame_unref(frame); |
| 1893 | |
| 1894 | ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF(1 << 0)); |
| 1895 | if (ret >= 0) { |
| 1896 | av_image_copy2(frame->data, frame->linesize, |
| 1897 | data, linesize, |
| 1898 | frame->format, frame->width, frame->height); |
| 1899 | } |
| 1900 | for (int i = 0; i < AV_VIDEO_MAX_PLANES4; ++i) |
| 1901 | av_buffer_unref(&buf[i]); |
| 1902 | |
| 1903 | return ret; |
| 1904 | } |
| 1905 | |
| 1906 | int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) |
| 1907 | { |
| 1908 | int ret = reget_buffer_internal(avctx, frame, flags); |
| 1909 | if (ret < 0) |
| 1910 | av_log(avctx, AV_LOG_ERROR16, "reget_buffer() failed\n"); |
| 1911 | return ret; |
| 1912 | } |
| 1913 | |
| 1914 | typedef struct ProgressInternal { |
| 1915 | ThreadProgress progress; |
| 1916 | struct AVFrame *f; |
| 1917 | } ProgressInternal; |
| 1918 | |
| 1919 | static void check_progress_consistency(const ProgressFrame *f) |
| 1920 | { |
| 1921 | av_assert1(!!f->f == !!f->progress)do { if (!(!!f->f == !!f->progress)) { av_log(((void*)0 ), 0, "Assertion %s failed at %s:%d\n", "!!f->f == !!f->progress" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1921 ); abort(); } } while (0); |
| 1922 | av_assert1(!f->progress || f->progress->f == f->f)do { if (!(!f->progress || f->progress->f == f->f )) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n", "!f->progress || f->progress->f == f->f" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1922 ); abort(); } } while (0); |
| 1923 | } |
| 1924 | |
| 1925 | int ff_progress_frame_alloc(AVCodecContext *avctx, ProgressFrame *f) |
| 1926 | { |
| 1927 | AVRefStructPool *pool = avctx->internal->progress_frame_pool; |
| 1928 | |
| 1929 | av_assert1(!f->f && !f->progress)do { if (!(!f->f && !f->progress)) { av_log(((void *)0), 0, "Assertion %s failed at %s:%d\n", "!f->f && !f->progress" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1929 ); abort(); } } while (0); |
| 1930 | |
| 1931 | f->progress = av_refstruct_pool_get(pool); |
| 1932 | if (!f->progress) |
| 1933 | return AVERROR(ENOMEM)(-(12)); |
| 1934 | |
| 1935 | f->f = f->progress->f; |
| 1936 | return 0; |
| 1937 | } |
| 1938 | |
| 1939 | int ff_progress_frame_get_buffer(AVCodecContext *avctx, ProgressFrame *f, int flags) |
| 1940 | { |
| 1941 | int ret = ff_progress_frame_alloc(avctx, f); |
| 1942 | if (ret < 0) |
| 1943 | return ret; |
| 1944 | |
| 1945 | ret = ff_thread_get_buffer(avctx, f->progress->f, flags); |
| 1946 | if (ret < 0) { |
| 1947 | f->f = NULL((void*)0); |
| 1948 | av_refstruct_unref(&f->progress); |
| 1949 | return ret; |
| 1950 | } |
| 1951 | return 0; |
| 1952 | } |
| 1953 | |
| 1954 | void ff_progress_frame_ref(ProgressFrame *dst, const ProgressFrame *src) |
| 1955 | { |
| 1956 | av_assert1(src->progress && src->f && src->f == src->progress->f)do { if (!(src->progress && src->f && src ->f == src->progress->f)) { av_log(((void*)0), 0, "Assertion %s failed at %s:%d\n" , "src->progress && src->f && src->f == src->progress->f" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1956 ); abort(); } } while (0); |
| 1957 | av_assert1(!dst->f && !dst->progress)do { if (!(!dst->f && !dst->progress)) { av_log (((void*)0), 0, "Assertion %s failed at %s:%d\n", "!dst->f && !dst->progress" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 1957 ); abort(); } } while (0); |
| 1958 | dst->f = src->f; |
| 1959 | dst->progress = av_refstruct_ref(src->progress); |
| 1960 | } |
| 1961 | |
| 1962 | void ff_progress_frame_unref(ProgressFrame *f) |
| 1963 | { |
| 1964 | check_progress_consistency(f); |
| 1965 | f->f = NULL((void*)0); |
| 1966 | av_refstruct_unref(&f->progress); |
| 1967 | } |
| 1968 | |
| 1969 | void ff_progress_frame_replace(ProgressFrame *dst, const ProgressFrame *src) |
| 1970 | { |
| 1971 | if (dst == src) |
| 1972 | return; |
| 1973 | ff_progress_frame_unref(dst); |
| 1974 | check_progress_consistency(src); |
| 1975 | if (src->f) |
| 1976 | ff_progress_frame_ref(dst, src); |
| 1977 | } |
| 1978 | |
| 1979 | void ff_progress_frame_report(ProgressFrame *f, int n) |
| 1980 | { |
| 1981 | ff_thread_progress_report(&f->progress->progress, n); |
| 1982 | } |
| 1983 | |
| 1984 | void ff_progress_frame_await(const ProgressFrame *f, int n) |
| 1985 | { |
| 1986 | ff_thread_progress_await(&f->progress->progress, n); |
| 1987 | } |
| 1988 | |
| 1989 | #if !HAVE_THREADS1 |
| 1990 | enum ThreadingStatus ff_thread_sync_ref(AVCodecContext *avctx, size_t offset) |
| 1991 | { |
| 1992 | return FF_THREAD_NO_FRAME_THREADING; |
| 1993 | } |
| 1994 | #endif /* !HAVE_THREADS */ |
| 1995 | |
| 1996 | static av_cold__attribute__((cold)) int progress_frame_pool_init_cb(AVRefStructOpaque opaque, void *obj) |
| 1997 | { |
| 1998 | const AVCodecContext *avctx = opaque.nc; |
| 1999 | ProgressInternal *progress = obj; |
| 2000 | int ret; |
| 2001 | |
| 2002 | ret = ff_thread_progress_init(&progress->progress, avctx->active_thread_type & FF_THREAD_FRAME1); |
| 2003 | if (ret < 0) |
| 2004 | return ret; |
| 2005 | |
| 2006 | progress->f = av_frame_alloc(); |
| 2007 | if (!progress->f) |
| 2008 | return AVERROR(ENOMEM)(-(12)); |
| 2009 | |
| 2010 | return 0; |
| 2011 | } |
| 2012 | |
| 2013 | static void progress_frame_pool_reset_cb(AVRefStructOpaque unused, void *obj) |
| 2014 | { |
| 2015 | ProgressInternal *progress = obj; |
| 2016 | |
| 2017 | ff_thread_progress_reset(&progress->progress); |
| 2018 | av_frame_unref(progress->f); |
| 2019 | } |
| 2020 | |
| 2021 | static av_cold__attribute__((cold)) void progress_frame_pool_free_entry_cb(AVRefStructOpaque opaque, void *obj) |
| 2022 | { |
| 2023 | ProgressInternal *progress = obj; |
| 2024 | |
| 2025 | ff_thread_progress_destroy(&progress->progress); |
| 2026 | av_frame_free(&progress->f); |
| 2027 | } |
| 2028 | |
| 2029 | av_cold__attribute__((cold)) int ff_decode_preinit(AVCodecContext *avctx) |
| 2030 | { |
| 2031 | AVCodecInternal *avci = avctx->internal; |
| 2032 | DecodeContext *dc = decode_ctx(avci); |
| 2033 | int ret = 0; |
| 2034 | |
| 2035 | dc->initial_pict_type = AV_PICTURE_TYPE_NONE; |
| 2036 | if (avctx->codec_descriptor->props & AV_CODEC_PROP_INTRA_ONLY(1 << 0)) { |
| 2037 | dc->intra_only_flag = AV_FRAME_FLAG_KEY(1 << 1); |
| 2038 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) |
| 2039 | dc->initial_pict_type = AV_PICTURE_TYPE_I; |
| 2040 | } |
| 2041 | |
| 2042 | /* if the decoder init function was already called previously, |
| 2043 | * free the already allocated subtitle_header before overwriting it */ |
| 2044 | av_freep(&avctx->subtitle_header); |
| 2045 | |
| 2046 | if (avctx->codec->max_lowres < avctx->lowres || avctx->lowres < 0) { |
| 2047 | av_log(avctx, AV_LOG_WARNING24, "The maximum value for lowres supported by the decoder is %d\n", |
| 2048 | avctx->codec->max_lowres); |
| 2049 | avctx->lowres = avctx->codec->max_lowres; |
| 2050 | } |
| 2051 | if (avctx->sub_charenc) { |
| 2052 | if (avctx->codec_type != AVMEDIA_TYPE_SUBTITLE) { |
| 2053 | av_log(avctx, AV_LOG_ERROR16, "Character encoding is only " |
| 2054 | "supported with subtitles codecs\n"); |
| 2055 | return AVERROR(EINVAL)(-(22)); |
| 2056 | } else if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB(1 << 16)) { |
| 2057 | av_log(avctx, AV_LOG_WARNING24, "Codec '%s' is bitmap-based, " |
| 2058 | "subtitles character encoding will be ignored\n", |
| 2059 | avctx->codec_descriptor->name); |
| 2060 | avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_DO_NOTHING-1; |
| 2061 | } else { |
| 2062 | /* input character encoding is set for a text based subtitle |
| 2063 | * codec at this point */ |
| 2064 | if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_AUTOMATIC0) |
| 2065 | avctx->sub_charenc_mode = FF_SUB_CHARENC_MODE_PRE_DECODER1; |
| 2066 | |
| 2067 | if (avctx->sub_charenc_mode == FF_SUB_CHARENC_MODE_PRE_DECODER1) { |
| 2068 | #if CONFIG_ICONV0 |
| 2069 | iconv_t cd = iconv_open("UTF-8", avctx->sub_charenc); |
| 2070 | if (cd == (iconv_t)-1) { |
| 2071 | ret = AVERROR(errno)(-((*__errno_location ()))); |
| 2072 | av_log(avctx, AV_LOG_ERROR16, "Unable to open iconv context " |
| 2073 | "with input character encoding \"%s\"\n", avctx->sub_charenc); |
| 2074 | return ret; |
| 2075 | } |
| 2076 | iconv_close(cd); |
| 2077 | #else |
| 2078 | av_log(avctx, AV_LOG_ERROR16, "Character encoding subtitles " |
| 2079 | "conversion needs a libavcodec built with iconv support " |
| 2080 | "for this codec\n"); |
| 2081 | return AVERROR(ENOSYS)(-(38)); |
| 2082 | #endif |
| 2083 | } |
| 2084 | } |
| 2085 | } |
| 2086 | |
| 2087 | dc->pts_correction_num_faulty_pts = |
| 2088 | dc->pts_correction_num_faulty_dts = 0; |
| 2089 | dc->pts_correction_last_pts = |
| 2090 | dc->pts_correction_last_dts = INT64_MIN(-9223372036854775807L -1); |
| 2091 | |
| 2092 | if ( !CONFIG_GRAY0 && avctx->flags & AV_CODEC_FLAG_GRAY(1 << 13) |
| 2093 | && avctx->codec_descriptor->type == AVMEDIA_TYPE_VIDEO) |
| 2094 | av_log(avctx, AV_LOG_WARNING24, |
| 2095 | "gray decoding requested but not enabled at configuration time\n"); |
| 2096 | if (avctx->flags2 & AV_CODEC_FLAG2_EXPORT_MVS(1 << 28)) { |
| 2097 | avctx->export_side_data |= AV_CODEC_EXPORT_DATA_MVS(1 << 0); |
| 2098 | } |
| 2099 | |
| 2100 | if (avctx->nb_side_data_prefer_packet == 1 && |
| 2101 | avctx->side_data_prefer_packet[0] == -1) |
| 2102 | dc->side_data_pref_mask = ~0ULL; |
| 2103 | else { |
| 2104 | for (unsigned i = 0; i < avctx->nb_side_data_prefer_packet; i++) { |
| 2105 | int val = avctx->side_data_prefer_packet[i]; |
| 2106 | |
| 2107 | if (val < 0 || val >= AV_PKT_DATA_NB) { |
| 2108 | av_log(avctx, AV_LOG_ERROR16, "Invalid side data type: %d\n", val); |
| 2109 | return AVERROR(EINVAL)(-(22)); |
| 2110 | } |
| 2111 | |
| 2112 | for (unsigned j = 0; ff_sd_global_map[j].packet < AV_PKT_DATA_NB; j++) { |
| 2113 | if (ff_sd_global_map[j].packet == val) { |
| 2114 | val = ff_sd_global_map[j].frame; |
| 2115 | |
| 2116 | // this code will need to be changed when we have more than |
| 2117 | // 64 frame side data types |
| 2118 | if (val >= 64) { |
| 2119 | av_log(avctx, AV_LOG_ERROR16, "Side data type too big\n"); |
| 2120 | return AVERROR_BUG(-(int)(('B') | (('U') << 8) | (('G') << 16) | (( unsigned)('!') << 24))); |
| 2121 | } |
| 2122 | |
| 2123 | dc->side_data_pref_mask |= 1ULL << val; |
| 2124 | } |
| 2125 | } |
| 2126 | } |
| 2127 | } |
| 2128 | |
| 2129 | avci->in_pkt = av_packet_alloc(); |
| 2130 | avci->last_pkt_props = av_packet_alloc(); |
| 2131 | if (!avci->in_pkt || !avci->last_pkt_props) |
| 2132 | return AVERROR(ENOMEM)(-(12)); |
| 2133 | |
| 2134 | if (ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_USES_PROGRESSFRAMES(1 << 6)) { |
| 2135 | avci->progress_frame_pool = |
| 2136 | av_refstruct_pool_alloc_ext(sizeof(ProgressInternal), |
| 2137 | AV_REFSTRUCT_POOL_FLAG_FREE_ON_INIT_ERROR(1 << 17), |
| 2138 | avctx, progress_frame_pool_init_cb, |
| 2139 | progress_frame_pool_reset_cb, |
| 2140 | progress_frame_pool_free_entry_cb, NULL((void*)0)); |
| 2141 | if (!avci->progress_frame_pool) |
| 2142 | return AVERROR(ENOMEM)(-(12)); |
| 2143 | } |
| 2144 | ret = decode_bsfs_init(avctx); |
| 2145 | if (ret < 0) |
| 2146 | return ret; |
| 2147 | |
| 2148 | if (!(avctx->export_side_data & AV_CODEC_EXPORT_DATA_ENHANCEMENTS(1 << 4))) { |
| 2149 | if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 2150 | #if CONFIG_LIBLCEVC_DEC0 |
| 2151 | ret = ff_lcevc_alloc(&dc->lcevc.ctx, av_log_get_level() + avctx->log_level_offset); |
| 2152 | if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE(1<<3))) |
| 2153 | return ret; |
| 2154 | #endif |
| 2155 | } |
| 2156 | } |
| 2157 | |
| 2158 | return 0; |
| 2159 | } |
| 2160 | |
| 2161 | /** |
| 2162 | * Check side data preference and clear existing side data from frame |
| 2163 | * if needed. |
| 2164 | * |
| 2165 | * @retval 0 side data of this type can be added to frame |
| 2166 | * @retval 1 side data of this type should not be added to frame |
| 2167 | */ |
| 2168 | static int side_data_pref(const AVCodecContext *avctx, AVFrameSideData ***sd, |
| 2169 | int *nb_sd, enum AVFrameSideDataType type) |
| 2170 | { |
| 2171 | DecodeContext *dc = decode_ctx(avctx->internal); |
| 2172 | |
| 2173 | // Note: could be skipped for `type` without corresponding packet sd |
| 2174 | if (av_frame_side_data_get(*sd, *nb_sd, type)) { |
| 2175 | if (dc->side_data_pref_mask & (1ULL << type)) |
| 2176 | return 1; |
| 2177 | av_frame_side_data_remove(sd, nb_sd, type); |
| 2178 | } |
| 2179 | |
| 2180 | return 0; |
| 2181 | } |
| 2182 | |
| 2183 | |
| 2184 | int ff_frame_new_side_data(const AVCodecContext *avctx, AVFrame *frame, |
| 2185 | enum AVFrameSideDataType type, size_t size, |
| 2186 | AVFrameSideData **psd) |
| 2187 | { |
| 2188 | AVFrameSideData *sd; |
| 2189 | |
| 2190 | if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data, type)) { |
| 2191 | if (psd) |
| 2192 | *psd = NULL((void*)0); |
| 2193 | return 0; |
| 2194 | } |
| 2195 | |
| 2196 | sd = av_frame_new_side_data(frame, type, size); |
| 2197 | if (psd) |
| 2198 | *psd = sd; |
| 2199 | |
| 2200 | return sd ? 0 : AVERROR(ENOMEM)(-(12)); |
| 2201 | } |
| 2202 | |
| 2203 | int ff_frame_new_side_data_from_buf_ext(const AVCodecContext *avctx, |
| 2204 | AVFrameSideData ***sd, int *nb_sd, |
| 2205 | enum AVFrameSideDataType type, |
| 2206 | AVBufferRef **buf) |
| 2207 | { |
| 2208 | int ret = 0; |
| 2209 | |
| 2210 | if (side_data_pref(avctx, sd, nb_sd, type)) |
| 2211 | goto finish; |
| 2212 | |
| 2213 | if (!av_frame_side_data_add(sd, nb_sd, type, buf, 0)) |
| 2214 | ret = AVERROR(ENOMEM)(-(12)); |
| 2215 | |
| 2216 | finish: |
| 2217 | av_buffer_unref(buf); |
| 2218 | |
| 2219 | return ret; |
| 2220 | } |
| 2221 | |
| 2222 | int ff_frame_new_side_data_from_buf(const AVCodecContext *avctx, |
| 2223 | AVFrame *frame, enum AVFrameSideDataType type, |
| 2224 | AVBufferRef **buf) |
| 2225 | { |
| 2226 | return ff_frame_new_side_data_from_buf_ext(avctx, |
| 2227 | &frame->side_data, &frame->nb_side_data, |
| 2228 | type, buf); |
| 2229 | } |
| 2230 | |
| 2231 | int ff_decode_mastering_display_new_ext(const AVCodecContext *avctx, |
| 2232 | AVFrameSideData ***sd, int *nb_sd, |
| 2233 | struct AVMasteringDisplayMetadata **mdm) |
| 2234 | { |
| 2235 | AVBufferRef *buf; |
| 2236 | size_t size; |
| 2237 | |
| 2238 | if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) { |
| 2239 | *mdm = NULL((void*)0); |
| 2240 | return 0; |
| 2241 | } |
| 2242 | |
| 2243 | *mdm = av_mastering_display_metadata_alloc_size(&size); |
| 2244 | if (!*mdm) |
| 2245 | return AVERROR(ENOMEM)(-(12)); |
| 2246 | |
| 2247 | buf = av_buffer_create((uint8_t *)*mdm, size, NULL((void*)0), NULL((void*)0), 0); |
| 2248 | if (!buf) { |
| 2249 | av_freep(mdm); |
| 2250 | return AVERROR(ENOMEM)(-(12)); |
| 2251 | } |
| 2252 | |
| 2253 | if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA, |
| 2254 | &buf, 0)) { |
| 2255 | *mdm = NULL((void*)0); |
| 2256 | av_buffer_unref(&buf); |
| 2257 | return AVERROR(ENOMEM)(-(12)); |
| 2258 | } |
| 2259 | |
| 2260 | return 0; |
| 2261 | } |
| 2262 | |
| 2263 | int ff_decode_mastering_display_new(const AVCodecContext *avctx, AVFrame *frame, |
| 2264 | AVMasteringDisplayMetadata **mdm) |
| 2265 | { |
| 2266 | if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data, |
| 2267 | AV_FRAME_DATA_MASTERING_DISPLAY_METADATA)) { |
| 2268 | *mdm = NULL((void*)0); |
| 2269 | return 0; |
| 2270 | } |
| 2271 | |
| 2272 | *mdm = av_mastering_display_metadata_create_side_data(frame); |
| 2273 | return *mdm ? 0 : AVERROR(ENOMEM)(-(12)); |
| 2274 | } |
| 2275 | |
| 2276 | int ff_decode_content_light_new_ext(const AVCodecContext *avctx, |
| 2277 | AVFrameSideData ***sd, int *nb_sd, |
| 2278 | AVContentLightMetadata **clm) |
| 2279 | { |
| 2280 | AVBufferRef *buf; |
| 2281 | size_t size; |
| 2282 | |
| 2283 | if (side_data_pref(avctx, sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) { |
| 2284 | *clm = NULL((void*)0); |
| 2285 | return 0; |
| 2286 | } |
| 2287 | |
| 2288 | *clm = av_content_light_metadata_alloc(&size); |
| 2289 | if (!*clm) |
| 2290 | return AVERROR(ENOMEM)(-(12)); |
| 2291 | |
| 2292 | buf = av_buffer_create((uint8_t *)*clm, size, NULL((void*)0), NULL((void*)0), 0); |
| 2293 | if (!buf) { |
| 2294 | av_freep(clm); |
| 2295 | return AVERROR(ENOMEM)(-(12)); |
| 2296 | } |
| 2297 | |
| 2298 | if (!av_frame_side_data_add(sd, nb_sd, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL, |
| 2299 | &buf, 0)) { |
| 2300 | *clm = NULL((void*)0); |
| 2301 | av_buffer_unref(&buf); |
| 2302 | return AVERROR(ENOMEM)(-(12)); |
| 2303 | } |
| 2304 | |
| 2305 | return 0; |
| 2306 | } |
| 2307 | |
| 2308 | int ff_decode_content_light_new(const AVCodecContext *avctx, AVFrame *frame, |
| 2309 | AVContentLightMetadata **clm) |
| 2310 | { |
| 2311 | if (side_data_pref(avctx, &frame->side_data, &frame->nb_side_data, |
| 2312 | AV_FRAME_DATA_CONTENT_LIGHT_LEVEL)) { |
| 2313 | *clm = NULL((void*)0); |
| 2314 | return 0; |
| 2315 | } |
| 2316 | |
| 2317 | *clm = av_content_light_metadata_create_side_data(frame); |
| 2318 | return *clm ? 0 : AVERROR(ENOMEM)(-(12)); |
| 2319 | } |
| 2320 | |
| 2321 | int ff_copy_palette(void *dst, const AVPacket *src, void *logctx) |
| 2322 | { |
| 2323 | size_t size; |
| 2324 | const void *pal = av_packet_get_side_data(src, AV_PKT_DATA_PALETTE, &size); |
| 2325 | |
| 2326 | if (pal && size == AVPALETTE_SIZE1024) { |
| 2327 | memcpy(dst, pal, AVPALETTE_SIZE1024); |
| 2328 | return 1; |
| 2329 | } else if (pal) { |
| 2330 | av_log(logctx, AV_LOG_ERROR16, |
| 2331 | "Palette size %zu is wrong\n", size); |
| 2332 | } |
| 2333 | return 0; |
| 2334 | } |
| 2335 | |
| 2336 | int ff_hwaccel_frame_priv_alloc(AVCodecContext *avctx, void **hwaccel_picture_private) |
| 2337 | { |
| 2338 | const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel); |
| 2339 | |
| 2340 | if (!hwaccel || !hwaccel->frame_priv_data_size) |
| 2341 | return 0; |
| 2342 | |
| 2343 | av_assert0(!*hwaccel_picture_private)do { if (!(!*hwaccel_picture_private)) { av_log(((void*)0), 0 , "Assertion %s failed at %s:%d\n", "!*hwaccel_picture_private" , "/root/firefox-clang/media/ffvpx/libavcodec/decode.c", 2343 ); abort(); } } while (0); |
| 2344 | |
| 2345 | if (hwaccel->free_frame_priv) { |
| 2346 | AVHWFramesContext *frames_ctx; |
| 2347 | |
| 2348 | if (!avctx->hw_frames_ctx) |
| 2349 | return AVERROR(EINVAL)(-(22)); |
| 2350 | |
| 2351 | frames_ctx = (AVHWFramesContext *) avctx->hw_frames_ctx->data; |
| 2352 | *hwaccel_picture_private = av_refstruct_alloc_ext(hwaccel->frame_priv_data_size, 0, |
| 2353 | frames_ctx->device_ctx, |
| 2354 | hwaccel->free_frame_priv); |
| 2355 | } else { |
| 2356 | *hwaccel_picture_private = av_refstruct_allocz(hwaccel->frame_priv_data_size); |
| 2357 | } |
| 2358 | |
| 2359 | if (!*hwaccel_picture_private) |
| 2360 | return AVERROR(ENOMEM)(-(12)); |
| 2361 | |
| 2362 | return 0; |
| 2363 | } |
| 2364 | |
| 2365 | av_cold__attribute__((cold)) void ff_decode_flush_buffers(AVCodecContext *avctx) |
| 2366 | { |
| 2367 | AVCodecInternal *avci = avctx->internal; |
| 2368 | DecodeContext *dc = decode_ctx(avci); |
| 2369 | |
| 2370 | av_packet_unref(avci->last_pkt_props); |
| 2371 | av_packet_unref(avci->in_pkt); |
| 2372 | |
| 2373 | dc->pts_correction_num_faulty_pts = |
| 2374 | dc->pts_correction_num_faulty_dts = 0; |
| 2375 | dc->pts_correction_last_pts = |
| 2376 | dc->pts_correction_last_dts = INT64_MIN(-9223372036854775807L -1); |
| 2377 | |
| 2378 | if (avci->bsf) |
| 2379 | av_bsf_flush(avci->bsf); |
| 2380 | |
| 2381 | dc->nb_draining_errors = 0; |
| 2382 | dc->draining_started = 0; |
| 2383 | } |
| 2384 | |
| 2385 | av_cold__attribute__((cold)) AVCodecInternal *ff_decode_internal_alloc(void) |
| 2386 | { |
| 2387 | return av_mallocz(sizeof(DecodeContext)); |
| 2388 | } |
| 2389 | |
| 2390 | av_cold__attribute__((cold)) void ff_decode_internal_sync(AVCodecContext *dst, const AVCodecContext *src) |
| 2391 | { |
| 2392 | const DecodeContext *src_dc = decode_ctx(src->internal); |
| 2393 | DecodeContext *dst_dc = decode_ctx(dst->internal); |
| 2394 | |
| 2395 | dst_dc->initial_pict_type = src_dc->initial_pict_type; |
| 2396 | dst_dc->intra_only_flag = src_dc->intra_only_flag; |
| 2397 | dst_dc->side_data_pref_mask = src_dc->side_data_pref_mask; |
| 2398 | #if CONFIG_LIBLCEVC_DEC0 |
| 2399 | av_refstruct_replace(&dst_dc->lcevc.ctx, src_dc->lcevc.ctx); |
| 2400 | dst_dc->lcevc.width = src_dc->lcevc.width; |
| 2401 | dst_dc->lcevc.height = src_dc->lcevc.height; |
| 2402 | dst_dc->lcevc.format = src_dc->lcevc.format; |
| 2403 | #endif |
| 2404 | } |
| 2405 | |
| 2406 | av_cold__attribute__((cold)) void ff_decode_internal_uninit(AVCodecContext *avctx) |
| 2407 | { |
| 2408 | #if CONFIG_LIBLCEVC_DEC0 |
| 2409 | AVCodecInternal *avci = avctx->internal; |
| 2410 | DecodeContext *dc = decode_ctx(avci); |
| 2411 | |
| 2412 | av_refstruct_unref(&dc->lcevc.ctx); |
| 2413 | #endif |
| 2414 | } |
| 2415 | |
| 2416 | static int attach_displaymatrix(AVCodecContext *avctx, AVFrame *frame, int orientation) |
| 2417 | { |
| 2418 | AVFrameSideData *sd = NULL((void*)0); |
| 2419 | int32_t *matrix; |
| 2420 | int ret; |
| 2421 | /* invalid orientation */ |
| 2422 | if (orientation < 1 || orientation > 8) |
| 2423 | return AVERROR_INVALIDDATA(-(int)(('I') | (('N') << 8) | (('D') << 16) | (( unsigned)('A') << 24))); |
| 2424 | ret = ff_frame_new_side_data(avctx, frame, AV_FRAME_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9, &sd); |
| 2425 | if (ret < 0) { |
| 2426 | av_log(avctx, AV_LOG_ERROR16, "Could not allocate frame side data: %s\n", av_err2str(ret)av_make_error_string((char[64]){0}, 64, ret)); |
| 2427 | return ret; |
| 2428 | } |
| 2429 | if (sd) { |
| 2430 | matrix = (int32_t *) sd->data; |
| 2431 | ret = av_exif_orientation_to_matrix(matrix, orientation); |
| 2432 | } |
| 2433 | |
| 2434 | return ret; |
| 2435 | } |
| 2436 | |
| 2437 | static int exif_attach_ifd(AVCodecContext *avctx, AVFrame *frame, const AVExifMetadata *ifd, AVBufferRef **pbuf) |
| 2438 | { |
| 2439 | const AVExifEntry *orient = NULL((void*)0); |
| 2440 | AVExifMetadata *cloned = NULL((void*)0); |
| 2441 | int ret; |
| 2442 | |
| 2443 | for (size_t i = 0; i < ifd->count; i++) { |
| 2444 | const AVExifEntry *entry = &ifd->entries[i]; |
| 2445 | if (entry->id == av_exif_get_tag_id("Orientation") && |
| 2446 | entry->count > 0 && entry->type == AV_TIFF_SHORT) { |
| 2447 | orient = entry; |
| 2448 | break; |
| 2449 | } |
| 2450 | } |
| 2451 | |
| 2452 | if (orient) { |
| 2453 | av_log(avctx, AV_LOG_DEBUG48, "found EXIF orientation: %" PRIu64"l" "u" "\n", orient->value.uint[0]); |
| 2454 | ret = attach_displaymatrix(avctx, frame, orient->value.uint[0]); |
| 2455 | if (ret < 0) { |
| 2456 | av_log(avctx, AV_LOG_WARNING24, "unable to attach displaymatrix from EXIF\n"); |
| 2457 | } else { |
| 2458 | cloned = av_exif_clone_ifd(ifd); |
| 2459 | if (!cloned) { |
| 2460 | ret = AVERROR(ENOMEM)(-(12)); |
| 2461 | goto end; |
| 2462 | } |
| 2463 | av_exif_remove_entry(avctx, cloned, orient->id, 0); |
| 2464 | ifd = cloned; |
| 2465 | } |
| 2466 | } |
| 2467 | |
| 2468 | ret = av_exif_ifd_to_dict(avctx, ifd, &frame->metadata); |
| 2469 | if (ret < 0) |
| 2470 | goto end; |
| 2471 | |
| 2472 | if (cloned || !*pbuf) { |
| 2473 | av_buffer_unref(pbuf); |
| 2474 | ret = av_exif_write(avctx, ifd, pbuf, AV_EXIF_TIFF_HEADER); |
| 2475 | if (ret < 0) |
| 2476 | goto end; |
| 2477 | } |
| 2478 | |
| 2479 | ret = ff_frame_new_side_data_from_buf(avctx, frame, AV_FRAME_DATA_EXIF, pbuf); |
| 2480 | if (ret < 0) |
| 2481 | goto end; |
| 2482 | |
| 2483 | ret = 0; |
| 2484 | |
| 2485 | end: |
| 2486 | av_buffer_unref(pbuf); |
| 2487 | av_exif_free(cloned); |
| 2488 | av_free(cloned); |
| 2489 | return ret; |
| 2490 | } |
| 2491 | |
| 2492 | int ff_decode_exif_attach_ifd(AVCodecContext *avctx, AVFrame *frame, const AVExifMetadata *ifd) |
| 2493 | { |
| 2494 | AVBufferRef *dummy = NULL((void*)0); |
| 2495 | return exif_attach_ifd(avctx, frame, ifd, &dummy); |
| 2496 | } |
| 2497 | |
| 2498 | int ff_decode_exif_attach_buffer(AVCodecContext *avctx, AVFrame *frame, AVBufferRef **pbuf, |
| 2499 | enum AVExifHeaderMode header_mode) |
| 2500 | { |
| 2501 | int ret; |
| 2502 | AVBufferRef *data = *pbuf; |
| 2503 | AVExifMetadata ifd = { 0 }; |
| 2504 | |
| 2505 | ret = av_exif_parse_buffer(avctx, data->data, data->size, &ifd, header_mode); |
| 2506 | if (ret < 0) |
| 2507 | goto end; |
| 2508 | |
| 2509 | ret = exif_attach_ifd(avctx, frame, &ifd, pbuf); |
| 2510 | |
| 2511 | end: |
| 2512 | av_buffer_unref(pbuf); |
| 2513 | av_exif_free(&ifd); |
| 2514 | return ret; |
| 2515 | } |