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| author | Haihao Xiang <haihao.xiang@intel.com> | 2021-06-11 10:19:45 +0800 |
|---|---|---|
| committer | Zhong Li <zhongli_dev@126.com> | 2021-06-20 23:04:35 +0800 |
| commit | 971b4ac733630e8d913e17151ce8e01d3c75d1a1 (patch) | |
| tree | 17fffb7c03b7e555a7c8d3b45c6caa3e729f5eb9 /libavcodec/qsvdec.c | |
| parent | 2cf95f2dd96264586b703e7ea32e41df61497b60 (diff) | |
| download | ffmpeg-971b4ac733630e8d913e17151ce8e01d3c75d1a1.tar.gz | |
lavc/qsvdec: fix pts
The time base used for compressed bitstream and video frame in the SDK
is { 1, 90000 }. [1][2]
This can avoid the error message below from the muxer.
$> ffmpeg -hwaccel qsv -c:v hevc_qsv -i input.h265 -f null -
...
[null @ 0x561c24f6f2f0] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 2 >= 2
[1]https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md#mfxbitstream
[2]https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md#mfxframedata
Signed-off-by: Zhong Li <zhongli_dev@126.com>
Diffstat (limited to 'libavcodec/qsvdec.c')
| -rw-r--r-- | libavcodec/qsvdec.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c index f543defb18..622750927c 100644 --- a/libavcodec/qsvdec.c +++ b/libavcodec/qsvdec.c @@ -46,6 +46,16 @@ #include "qsv.h" #include "qsv_internal.h" +static const AVRational mfx_tb = { 1, 90000 }; + +#define PTS_TO_MFX_PTS(pts, pts_tb) ((pts) == AV_NOPTS_VALUE ? \ + MFX_TIMESTAMP_UNKNOWN : pts_tb.num ? \ + av_rescale_q(pts, pts_tb, mfx_tb) : pts) + +#define MFX_PTS_TO_PTS(mfx_pts, pts_tb) ((mfx_pts) == MFX_TIMESTAMP_UNKNOWN ? \ + AV_NOPTS_VALUE : pts_tb.num ? \ + av_rescale_q(mfx_pts, mfx_tb, pts_tb) : mfx_pts) + typedef struct QSVContext { // the session used for decoding mfxSession session; @@ -308,7 +318,7 @@ static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, bs.Data = avpkt->data; bs.DataLength = avpkt->size; bs.MaxLength = bs.DataLength; - bs.TimeStamp = avpkt->pts; + bs.TimeStamp = PTS_TO_MFX_PTS(avpkt->pts, avctx->pkt_timebase); if (avctx->field_order == AV_FIELD_PROGRESSIVE) bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; } else @@ -456,7 +466,7 @@ static int qsv_decode(AVCodecContext *avctx, QSVContext *q, bs.Data = avpkt->data; bs.DataLength = avpkt->size; bs.MaxLength = bs.DataLength; - bs.TimeStamp = avpkt->pts; + bs.TimeStamp = PTS_TO_MFX_PTS(avpkt->pts, avctx->pkt_timebase); if (avctx->field_order == AV_FIELD_PROGRESSIVE) bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; } @@ -544,7 +554,7 @@ static int qsv_decode(AVCodecContext *avctx, QSVContext *q, outsurf = &out_frame->surface; - frame->pts = outsurf->Data.TimeStamp; + frame->pts = MFX_PTS_TO_PTS(outsurf->Data.TimeStamp, avctx->pkt_timebase); frame->repeat_pict = outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 : @@ -748,6 +758,9 @@ static av_cold int qsv_decode_init(AVCodecContext *avctx) goto fail; } + if (!avctx->pkt_timebase.num) + av_log(avctx, AV_LOG_WARNING, "Invalid pkt_timebase, passing timestamps as-is.\n"); + return 0; fail: qsv_decode_close(avctx); |