e401653b51
* gnu/packages/patches/ffmpeg-prefer-dav1d.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/video.scm (ffmpeg)[source]: Use it.
43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
When decoding AV1 files, prefer dav1d over libaom for performance
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reasons.
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Patch copied from upstream source repository:
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<https://git.videolan.org/gitweb.cgi/ffmpeg.git/?p=ffmpeg.git;a=commitdiff;h=dc0806dd25882f41f6085c8356712f95fded56c7>
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From dc0806dd25882f41f6085c8356712f95fded56c7 Mon Sep 17 00:00:00 2001
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From: James Almer <jamrial@gmail.com>
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Date: Sun, 15 Sep 2019 11:29:56 -0300
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Subject: [PATCH] avcodec/allcodecs: make libdav1d the preferred AV1 decoder
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It's considerably faster than libaom in most systems.
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Reviewed-by: BBB
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Signed-off-by: James Almer <jamrial@gmail.com>
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---
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libavcodec/allcodecs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
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index 5130fca026..d5dfba1877 100644
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--- a/libavcodec/allcodecs.c
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+++ b/libavcodec/allcodecs.c
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@@ -680,7 +680,6 @@ extern AVCodec ff_pcm_mulaw_at_encoder;
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extern AVCodec ff_pcm_mulaw_at_decoder;
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extern AVCodec ff_qdmc_at_decoder;
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extern AVCodec ff_qdm2_at_decoder;
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-extern AVCodec ff_libaom_av1_decoder;
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extern AVCodec ff_libaom_av1_encoder;
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extern AVCodec ff_libaribb24_decoder;
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extern AVCodec ff_libcelt_decoder;
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@@ -738,6 +737,7 @@ extern AVCodec ff_idf_decoder;
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/* external libraries, that shouldn't be used by default if one of the
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* above is available */
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extern AVCodec ff_h263_v4l2m2m_encoder;
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+extern AVCodec ff_libaom_av1_decoder;
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extern AVCodec ff_libopenh264_encoder;
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extern AVCodec ff_libopenh264_decoder;
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extern AVCodec ff_h264_amf_encoder;
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--
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2.20.1
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