File ffmpeg-codec-choice.diff of Package ffmpeg-6

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File ffmpeg-codec-choice.diff of Package ffmpeg-6 (Revision f86be45c57da2452c398e288dbe039a1)

Currently displaying revision f86be45c57da2452c398e288dbe039a1 , Show latest

From: Jan Engelhardt <jengelh@inai.de>

Edit the default codec selection such that

ffmpeg -i youtube.blah.webm foobar.mkv

without any further arguments can produce a result even on a
reduced codec selection list.

---
 libavformat/matroskaenc.c |   20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

Index: ffmpeg-6.1.1/libavformat/matroskaenc.c
===================================================================
--- ffmpeg-6.1.1.orig/libavformat/matroskaenc.c
+++ ffmpeg-6.1.1/libavformat/matroskaenc.c
@@ -3538,16 +3538,25 @@ static int mkv_query_codec(enum AVCodecI
     return 0;
 }
 
+#define PREFAUDIO \
+	CONFIG_LIBOPUS_ENCODER ? AV_CODEC_ID_OPUS : \
+	CONFIG_AAC_ENCODER ? AV_CODEC_ID_AAC : \
+	CONFIG_VORBIS_ENCODER ? AV_CODEC_ID_VORBIS : \
+	AV_CODEC_ID_AC3
+
 const FFOutputFormat ff_matroska_muxer = {
     .p.name            = "matroska",
     .p.long_name       = NULL_IF_CONFIG_SMALL("Matroska"),
     .p.mime_type       = "video/x-matroska",
     .p.extensions      = "mkv",
     .priv_data_size    = sizeof(MatroskaMuxContext),
-    .p.audio_codec     = CONFIG_LIBVORBIS_ENCODER ?
-                         AV_CODEC_ID_VORBIS : AV_CODEC_ID_AC3,
-    .p.video_codec     = CONFIG_LIBX264_ENCODER ?
-                         AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
+    .p.audio_codec     = PREFAUDIO,
+    .p.video_codec     = 
+	CONFIG_LIBVPX_VP9_ENCODER ? AV_CODEC_ID_VP9 : \
+	CONFIG_LIBX264_ENCODER ? AV_CODEC_ID_H264 : \
+	CONFIG_LIBVPX_VP8_ENCODER ? AV_CODEC_ID_VP8 : \
+	CONFIG_MPEG4_ENCODER ? AV_CODEC_ID_MPEG4 : \
+	AV_CODEC_ID_THEORA,
     .init              = mkv_init,
     .deinit            = mkv_deinit,
     .write_header      = mkv_write_header,
@@ -3615,8 +3624,7 @@ const FFOutputFormat ff_matroska_audio_m
     .p.mime_type       = "audio/x-matroska",
     .p.extensions      = "mka",
     .priv_data_size    = sizeof(MatroskaMuxContext),
-    .p.audio_codec     = CONFIG_LIBVORBIS_ENCODER ?
-                         AV_CODEC_ID_VORBIS : AV_CODEC_ID_AC3,
+    .p.audio_codec     = PREFAUDIO,
     .p.video_codec     = AV_CODEC_ID_NONE,
     .init              = mkv_init,
     .deinit            = mkv_deinit,

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File ffmpeg-codec-choice.diff of Package ffmpeg-6 (Revision f86be45c57da2452c398e288dbe039a1)

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