ffmpeg | branch: master | Anton Khirnov <an...@khirnov.net> | Mon Jun 3 14:37:25 2024 +0200| [d725c737fe2a19091b481d4d115fd939e0a674b2] | committer: Anton Khirnov
lavc/hevcdec: move some frame-end code to hevc_frame_end() Specifically, calling hwaccel end_frame, verifying frame checksum, and printing the frame-was-decoded message. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d725c737fe2a19091b481d4d115fd939e0a674b2 --- libavcodec/hevc/hevcdec.c | 187 ++++++++++++++++++++++------------------------ libavcodec/hevc/hevcdec.h | 1 - 2 files changed, 91 insertions(+), 97 deletions(-) diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c index 7263b80a24..a8c2172674 100644 --- a/libavcodec/hevc/hevcdec.c +++ b/libavcodec/hevc/hevcdec.c @@ -2942,7 +2942,6 @@ static int hevc_frame_start(HEVCContext *s) ff_hevc_clear_refs(s); } - s->is_decoded = 0; s->slice_idx = 0; s->first_nal_type = s->nal_unit_type; s->poc = s->sh.poc; @@ -3038,6 +3037,75 @@ fail: return ret; } +static int verify_md5(HEVCContext *s, AVFrame *frame) +{ + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); + char msg_buf[4 * (50 + 2 * 2 * 16 /* MD5-size */)]; + int pixel_shift; + int err = 0; + int i, j; + + if (!desc) + return AVERROR(EINVAL); + + pixel_shift = desc->comp[0].depth > 8; + + /* the checksums are LE, so we have to byteswap for >8bpp formats + * on BE arches */ +#if HAVE_BIGENDIAN + if (pixel_shift && !s->checksum_buf) { + av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size, + FFMAX3(frame->linesize[0], frame->linesize[1], + frame->linesize[2])); + if (!s->checksum_buf) + return AVERROR(ENOMEM); + } +#endif + + msg_buf[0] = '\0'; + for (i = 0; frame->data[i]; i++) { + int width = s->avctx->coded_width; + int height = s->avctx->coded_height; + int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width; + int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height; + uint8_t md5[16]; + + av_md5_init(s->md5_ctx); + for (j = 0; j < h; j++) { + const uint8_t *src = frame->data[i] + j * frame->linesize[i]; +#if HAVE_BIGENDIAN + if (pixel_shift) { + s->bdsp.bswap16_buf((uint16_t *) s->checksum_buf, + (const uint16_t *) src, w); + src = s->checksum_buf; + } +#endif + av_md5_update(s->md5_ctx, src, w << pixel_shift); + } + av_md5_final(s->md5_ctx, md5); + +#define MD5_PRI "%016" PRIx64 "%016" PRIx64 +#define MD5_PRI_ARG(buf) AV_RB64(buf), AV_RB64((const uint8_t*)(buf) + 8) + + if (!memcmp(md5, s->sei.picture_hash.md5[i], 16)) { + av_strlcatf(msg_buf, sizeof(msg_buf), + "plane %d - correct " MD5_PRI "; ", + i, MD5_PRI_ARG(md5)); + } else { + av_strlcatf(msg_buf, sizeof(msg_buf), + "mismatching checksum of plane %d - " MD5_PRI " != " MD5_PRI "; ", + i, MD5_PRI_ARG(md5), MD5_PRI_ARG(s->sei.picture_hash.md5[i])); + err = AVERROR_INVALIDDATA; + } + } + + av_log(s->avctx, err < 0 ? AV_LOG_ERROR : AV_LOG_DEBUG, + "Verifying checksum for frame with POC %d: %s\n", + s->poc, msg_buf); + + return err; + } + static int hevc_frame_end(HEVCContext *s) { HEVCFrame *out = s->cur_frame; @@ -3062,6 +3130,28 @@ static int hevc_frame_end(HEVCContext *s) av_assert1(ret >= 0); } + if (s->avctx->hwaccel) { + ret = FF_HW_SIMPLE_CALL(s->avctx, end_frame); + if (ret < 0) { + av_log(s->avctx, AV_LOG_ERROR, + "hardware accelerator failed to decode picture\n"); + ff_hevc_unref_frame(s->cur_frame, ~0); + return ret; + } + } else { + if (s->avctx->err_recognition & AV_EF_CRCCHECK && + s->sei.picture_hash.is_md5) { + ret = verify_md5(s, s->cur_frame->f); + if (ret < 0 && s->avctx->err_recognition & AV_EF_EXPLODE) { + ff_hevc_unref_frame(s->cur_frame, ~0); + return ret; + } + } + } + s->sei.picture_hash.is_md5 = 0; + + av_log(s->avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc); + return 0; } @@ -3109,7 +3199,6 @@ static int decode_slice(HEVCContext *s, const H2645NAL *nal, GetBitContext *gb) ret = hevc_frame_end(s); if (ret < 0) return ret; - s->is_decoded = 1; } return 0; @@ -3290,75 +3379,6 @@ fail: return ret; } -static int verify_md5(HEVCContext *s, AVFrame *frame) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); - char msg_buf[4 * (50 + 2 * 2 * 16 /* MD5-size */)]; - int pixel_shift; - int err = 0; - int i, j; - - if (!desc) - return AVERROR(EINVAL); - - pixel_shift = desc->comp[0].depth > 8; - - /* the checksums are LE, so we have to byteswap for >8bpp formats - * on BE arches */ -#if HAVE_BIGENDIAN - if (pixel_shift && !s->checksum_buf) { - av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size, - FFMAX3(frame->linesize[0], frame->linesize[1], - frame->linesize[2])); - if (!s->checksum_buf) - return AVERROR(ENOMEM); - } -#endif - - msg_buf[0] = '\0'; - for (i = 0; frame->data[i]; i++) { - int width = s->avctx->coded_width; - int height = s->avctx->coded_height; - int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width; - int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height; - uint8_t md5[16]; - - av_md5_init(s->md5_ctx); - for (j = 0; j < h; j++) { - const uint8_t *src = frame->data[i] + j * frame->linesize[i]; -#if HAVE_BIGENDIAN - if (pixel_shift) { - s->bdsp.bswap16_buf((uint16_t *) s->checksum_buf, - (const uint16_t *) src, w); - src = s->checksum_buf; - } -#endif - av_md5_update(s->md5_ctx, src, w << pixel_shift); - } - av_md5_final(s->md5_ctx, md5); - -#define MD5_PRI "%016" PRIx64 "%016" PRIx64 -#define MD5_PRI_ARG(buf) AV_RB64(buf), AV_RB64((const uint8_t*)(buf) + 8) - - if (!memcmp(md5, s->sei.picture_hash.md5[i], 16)) { - av_strlcatf(msg_buf, sizeof(msg_buf), - "plane %d - correct " MD5_PRI "; ", - i, MD5_PRI_ARG(md5)); - } else { - av_strlcatf(msg_buf, sizeof(msg_buf), - "mismatching checksum of plane %d - " MD5_PRI " != " MD5_PRI "; ", - i, MD5_PRI_ARG(md5), MD5_PRI_ARG(s->sei.picture_hash.md5[i])); - err = AVERROR_INVALIDDATA; - } - } - - av_log(s->avctx, err < 0 ? AV_LOG_ERROR : AV_LOG_DEBUG, - "Verifying checksum for frame with POC %d: %s\n", - s->poc, msg_buf); - - return err; -} - static int hevc_decode_extradata(HEVCContext *s, uint8_t *buf, int length, int first) { int ret, i; @@ -3424,31 +3444,6 @@ static int hevc_decode_frame(AVCodecContext *avctx, AVFrame *rframe, if (ret < 0) return ret; - if (avctx->hwaccel) { - if (s->cur_frame && (ret = FF_HW_SIMPLE_CALL(avctx, end_frame)) < 0) { - av_log(avctx, AV_LOG_ERROR, - "hardware accelerator failed to decode picture\n"); - ff_hevc_unref_frame(s->cur_frame, ~0); - return ret; - } - } else { - /* verify the SEI checksum */ - if (avctx->err_recognition & AV_EF_CRCCHECK && s->cur_frame && s->is_decoded && - s->sei.picture_hash.is_md5) { - ret = verify_md5(s, s->cur_frame->f); - if (ret < 0 && avctx->err_recognition & AV_EF_EXPLODE) { - ff_hevc_unref_frame(s->cur_frame, ~0); - return ret; - } - } - } - s->sei.picture_hash.is_md5 = 0; - - if (s->is_decoded) { - av_log(avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc); - s->is_decoded = 0; - } - if (s->output_frame->buf[0]) { av_frame_move_ref(rframe, s->output_frame); *got_output = 1; diff --git a/libavcodec/hevc/hevcdec.h b/libavcodec/hevc/hevcdec.h index f0443b3ab9..da4d83e661 100644 --- a/libavcodec/hevc/hevcdec.h +++ b/libavcodec/hevc/hevcdec.h @@ -488,7 +488,6 @@ typedef struct HEVCContext { int bs_width; int bs_height; - int is_decoded; // NoRaslOutputFlag associated with the last IRAP frame int no_rasl_output_flag; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
