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 --- libavcodec/qsvdec.c | 19 ++++++++++++++++--- 1 file 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); -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
