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| author | Philip Langdale <philipl@overt.org> | 2019-03-30 10:51:07 -0700 |
|---|---|---|
| committer | Philip Langdale <philipl@overt.org> | 2019-03-30 10:51:07 -0700 |
| commit | 5d90d1e36ef3abfa2843e54389d0ffd0fa7ca405 (patch) | |
| tree | 1dd9d3bd4041bbb79081712411ff25293467a4fd /libavcodec | |
| parent | c0b6e4cb6d6d41dbf2684891ed9dd43d9ddfb804 (diff) | |
| download | ffmpeg-5d90d1e36ef3abfa2843e54389d0ffd0fa7ca405.tar.gz | |
avcodec/cuviddec: Remove unnecessary stream synchronisation
We're also doing a sync here after copying the frame to be passed
on down the pipleine. And it is also unnecessary.
I was able to demonstrate a 33% speedup removing the sync from
an example transcode pipeline.
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/cuviddec.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/libavcodec/cuviddec.c b/libavcodec/cuviddec.c index 291bb93dbc..2aecb45768 100644 --- a/libavcodec/cuviddec.c +++ b/libavcodec/cuviddec.c @@ -553,10 +553,6 @@ static int cuvid_output_frame(AVCodecContext *avctx, AVFrame *frame) offset += height; } - - ret = CHECK_CU(ctx->cudl->cuStreamSynchronize(device_hwctx->stream)); - if (ret < 0) - goto error; } else if (avctx->pix_fmt == AV_PIX_FMT_NV12 || avctx->pix_fmt == AV_PIX_FMT_P010 || avctx->pix_fmt == AV_PIX_FMT_P016 || |