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ffmpeg: use -fps_mode passthrough instead of deprecated -vsync 0 #147

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Dec 30, 2022
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ffmpeg: use -fps_mode passthrough instead of deprecated -vsync 0 #147

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12 changes: 6 additions & 6 deletions ...chmarks/intel-data-center-gpu-flex-series/intel-data-center-gpu-flex-series.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -336,7 +336,7 @@ ffmpeg) command lines optimized for high quality and performance are given below
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-true} \
-look_ahead_depth 8 -extbrc 1 -b_strategy 1 \
-adaptive_i 1 -adaptive_b 1 -bf 7 -refs 5 -g 256 -strict -1 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

**HEVC/H.265**::

Expand All @@ -346,15 +346,15 @@ ffmpeg) command lines optimized for high quality and performance are given below
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-true} \
-look_ahead_depth 8 -extbrc 1 -b_strategy 1 \
-bf 7 -refs 4 -g 256 -idr_interval begin_only -strict -1 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

**AV1 (HW-based BRC, EncTools coming soon)**::

ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v av1_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $((2 * $bitrate)) -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $(($bufsize / 2)) -b_strategy 1 -bf 7 -g 256 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

Extra quality boost can be achieved with use of low power look ahead (by setting
“-look_ahead_depth 40” option) at the expense of a slight performance impact (10-20%).
Expand Down Expand Up @@ -382,22 +382,22 @@ ffmpeg) command lines optimized for high quality and performance are given below
-frames:v $numframes -c:v h264_qsv -preset $preset -profile:v high -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) -bitrate_limit 0 \
-bf 0 -refs 5 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 5 -g 9999 -strict 1 -fps_mode passthrough -y $output

**HEVC/H.265**::

ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v hevc_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) \
-bf 0 -refs 4 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 4 -g 9999 -strict 1 -fps_mode passthrough -y $output

**AV1**::

ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v av1_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 2)) -rc_init_occupancy $((bitrate / 4)) \
-bf 0 -g 9999 -vsync passthrough -y $output
-bf 0 -g 9999 -fps_mode passthrough -y $output

Recommendations for more specific use cases as well as additional information on
developer configurable bitrate controllers and available advanced coding options
Expand Down
10 changes: 5 additions & 5 deletions doc/benchmarks/intel-iris-xe-max-graphics/intel-iris-xe-max-graphics.md
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,7 @@ ffmpeg -f rawvideo -pix_fmt yuv420p -s:v ${width}x${height} -r $framerate \
-c:v h264_qsv -preset medium -profile:v high \
-b:v $bitrate -maxrate $(bitrate*2) -bitrate_limit 0 \
-bufsize $(bitrate*4) -g 256 -extbrc 1 -b_strategy 1 -bf 7 -refs 5 \
-vsync 0 $output
-fps_mode passthrough $output
```

**Example 2: AVC CBR Encode**
Expand All @@ -125,7 +125,7 @@ ffmpeg -f rawvideo -pix_fmt yuv420p -s:v ${width}x${height} -r $framerate \
-c:v h264_qsv -preset medium -profile:v high \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bitrate_limit 0 \
-bufsize $(bitrate*2) -g 256 -extbrc 1 -b_strategy 1 -bf 7 -refs 5 \
-vsync 0 $output
-fps_mode passthrough $output
```

**Example 3: HEVC VBR Encode**
Expand All @@ -136,7 +136,7 @@ ffmpeg -f rawvideo -pix_fmt yuv420p -s:v ${width}x${height} -r $framerate \
-c:v hevc_qsv -preset medium -profile:v main \
-b:v $bitrate -maxrate $(bitrate*2) -bitrate_limit 0 \
-bufsize $(bitrate*4) -g 256 -extbrc 1 -refs 5 -bf 7 \
-vsync 0 $output
-fps_mode passthrough $output
```

**Example 4: HEVC CBR Encode**
Expand All @@ -147,7 +147,7 @@ ffmpeg -f rawvideo -pix_fmt yuv420p -s:v ${width}x${height} -r $framerate \
-c:v hevc_qsv -preset medium -profile:v main \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bitrate_limit 0 \
-bufsize $(bitrate*2) -g 256 -extbrc 1 -refs 5 -bf 7 \
-vsync 0 $output
-fps_mode passthrough $output
```

## Try it out
Expand Down Expand Up @@ -219,7 +219,7 @@ wget https://repositories.intel.com/media/WAR_TRAILER_HiQ_10_withAudio.mp4
ffmpeg -an -c:v h264_qsv -i WAR_TRAILER_HiQ_10_withAudio.mp4 \
-c:v hevc_qsv -preset medium -profile:v main -b:v 2000000 \
-extbrc 1 -bf 7 -refs 5 \
vsync 0 -y WAR_2Mbps_VBR_QSV.h265
-fps_mode passthrough -y WAR_2Mbps_VBR_QSV.h265
```

## Start Developing
Expand Down
12 changes: 6 additions & 6 deletions doc/performance.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,7 @@ To achieve better performance with Intel GPU H.264/AVC encoder running EncTools
-b:v $bitrate -maxrate $((2 * $bitrate)) -bitrate_limit 0 -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-true} -look_ahead_depth $lad -extbrc 1 \
-b_strategy 1 -adaptive_i 1 -adaptive_b 1 -bf 7 -refs 5 -g 256 -strict -1 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::${inputcodec} $input -hw -async $async_depth \
Expand Down Expand Up @@ -284,7 +284,7 @@ Example command lines:
-frames:v $numframes -c:v h264_qsv -preset h264_qsv -profile:v high -async_depth $async_depth \
-b:v $bitrate -maxrate $((2 * $bitrate)) -bitrate_limit 0 -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-false} -extbrc 1 -b_strategy 1 -bf 7 -refs 5 -g 256 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::${inputcodec} $input -hw -async $async_depth -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -345,7 +345,7 @@ Example command lines:
-b:v $bitrate -maxrate $((2 * $bitrate)) -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-true} -look_ahead_depth $lad -extbrc 1 -b_strategy 1 \
-bf 7 -refs 4 -g 256 -idr_interval begin_only -strict -1 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::${inputcodec} $input -hw -async $async_depth -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -395,7 +395,7 @@ Example command lines:
-frames:v $numframes -c:v hevc_qsv -preset $preset -profile:v main -async_depth $async_depth \
-b:v $bitrate -maxrate $((2 * $bitrate)) -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-false} -extbrc 1 -bf 7 -refs 4 -g 256 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::${inputcodec} $input -hw -async $async_depth -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -456,7 +456,7 @@ Example command lines:
-b:v $bitrate -maxrate $((2 * $bitrate)) -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $((2 * $bitrate)) -low_power ${LOW_POWER:-true} -look_ahead_depth $lad -extbrc 1 \
-b_strategy 1 -adaptive_i 1 -adaptive_b 1 -bf 7 -g 256 -strict -1 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::${inputcodec} $input -hw -async $async_depth -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -501,7 +501,7 @@ Example command lines:
-frames:v $numframes -c:v av1_qsv -preset $preset -profile:v main -async_depth $async_depth \
-b:v $bitrate -maxrate $((2 * $bitrate)) -bufsize $((4 * $bitrate)) \
-rc_init_occupancy $(($bufsize / 2)) -b_strategy 1 -bf 7 -g 256 \
-vsync passthrough -y $output
-fps_mode passthrough -y $output

# VBR (transcoding from raw bitstream with Sample Multi-Transcode)
sample_multi_transcode -i::$inputcodec $input -hw -async $async_depth \
Expand Down
16 changes: 8 additions & 8 deletions doc/quality-lowdelay.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -274,14 +274,14 @@ To achieve better quality for low delay use case with Intel GPU H.264/AVC encode
-frames:v $numframes -c:v h264_qsv -preset $preset -profile:v high -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) -bitrate_limit 0 -low_power ${LOW_POWER:-true} \
-bf 0 -refs 5 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 5 -g 9999 -strict 1 -fps_mode passthrough -y $output

# LD CBR (transcoding with ffmpeg-qsv)
ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v h264_qsv -preset $preset -profile:v high -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) -bitrate_limit 0 -low_power ${LOW_POWER:-true} \
-bf 0 -refs 5 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 5 -g 9999 -strict 1 -fps_mode passthrough -y $output

# LD CBR (encoding from YUV with Sample Multi-Transcode)
sample_multi_transcode -i::i420 $inputyuv -hw -async 1 \
Expand Down Expand Up @@ -331,14 +331,14 @@ Example command lines:
-frames:v $numframes -c:v hevc_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) -low_power ${LOW_POWER:-true} \
-bf 0 -refs 4 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 4 -g 9999 -strict 1 -fps_mode passthrough -y $output

# LD CBR (transcoding with ffmpeg-qsv)
ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v hevc_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 4)) \
-rc_init_occupancy $((bitrate / 8)) -low_power ${LOW_POWER:-true} \
-bf 0 -refs 4 -g 9999 -strict 1 -vsync passthrough -y $output
-bf 0 -refs 4 -g 9999 -strict 1 -fps_mode passthrough -y $output

# LD CBR (encoding from YUV with Sample Multi-Transcode)
sample_multi_transcode -i::i420 $inputyuv -hw -async 1 -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -382,13 +382,13 @@ Example command lines:
-f rawvideo -pix_fmt yuv420p -s:v ${width}x${height} -r $framerate -i $inputyuv \
-frames:v $numframes -c:v av1_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 2)) -rc_init_occupancy $((bitrate / 4)) \
-bf 0 -g 9999 -vsync passthrough -y $output
-bf 0 -g 9999 -fps_mode passthrough -y $output

# LD CBR (transcoding with ffmpeg-qsv)
ffmpeg -hwaccel qsv -qsv_device ${DEVICE:-/dev/dri/renderD128} -c:v $inputcodec -an -i $input \
-frames:v $numframes -c:v av1_qsv -preset $preset -profile:v main -async_depth 1 \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / 2)) -rc_init_occupancy $((bitrate / 4)) \
-bf 0 -g 9999 -vsync passthrough -y $output
-bf 0 -g 9999 -fps_mode passthrough -y $output

# LD CBR (encoding from YUV with Sample Multi-Transcode)
sample_multi_transcode -i::i420 $inputyuv -hw -async 1 -device ${DEVICE:-/dev/dri/renderD128} \
Expand Down Expand Up @@ -420,7 +420,7 @@ ffmpeg-x264
-i $inputyuv -vframes $numframes -y \
-c:v libx264 -preset medium -profile:v high \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / N)) \
-tune zerolatency -threads 12 -vsync passthrough $output
-tune zerolatency -threads 12 -fps_mode passthrough $output

ffmpeg-x265
***********
Expand All @@ -432,7 +432,7 @@ ffmpeg-x265
-i $inputyuv -vframes $numframes -y \
-c:v libx265 -preset medium \
-b:v $bitrate -maxrate $bitrate -minrate $bitrate -bufsize $((bitrate / N)) \
-tune zerolatency -threads 12 -vsync passthrough $output
-tune zerolatency -threads 12 -fps_mode passthrough $output

Links
-----
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