[FFmpeg-devel] [PATCH] avformat: allow .ec3 as extension for raw E-AC-3 stream

* [FFmpeg-devel] [PATCH] avformat: allow .ec3 as extension for raw E-AC-3 stream
@ 2022-06-23 12:14 Ruben Gonzalez
  2022-08-03 17:28 ` Rubén Gonzalez
  2022-08-04 10:42 ` Anton Khirnov
  0 siblings, 2 replies; 4+ messages in thread
From: Ruben Gonzalez @ 2022-06-23 12:14 UTC (permalink / raw)
  To: ffmpeg-devel; +Cc: Ruben Gonzalez

In addition to .eac3, .ec3 is also commonly used by people to name raw
E-AC-3 streams. Enables automatic recognition of the eac3 format for
the .ac3 extension.

For instance Dolby Digital Plus software only support files with
.ec3. Files with .eac3 are not supported. Check issue #18 in the
public dlb_mp4base repository from DolbyLaboratories.

Signed-off-by: Ruben Gonzalez <rgonzalez@fluendo.com>
---
 libavformat/ac3dec.c | 2 +-
 libavformat/rawenc.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/ac3dec.c b/libavformat/ac3dec.c
index 51461befd8..989d126a81 100644
--- a/libavformat/ac3dec.c
+++ b/libavformat/ac3dec.c
@@ -131,7 +131,7 @@ const AVInputFormat ff_eac3_demuxer = {
     .read_header    = ff_raw_audio_read_header,
     .read_packet    = ff_raw_read_partial_packet,
     .flags          = AVFMT_GENERIC_INDEX,
-    .extensions     = "eac3",
+    .extensions     = "eac3,ec3",
     .raw_codec_id   = AV_CODEC_ID_EAC3,
     .priv_data_size = sizeof(FFRawDemuxerContext),
     .priv_class     = &ff_raw_demuxer_class,
diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c
index 26099cb1c1..267fce252d 100644
--- a/libavformat/rawenc.c
+++ b/libavformat/rawenc.c
@@ -252,7 +252,7 @@ const AVOutputFormat ff_eac3_muxer = {
     .name              = "eac3",
     .long_name         = NULL_IF_CONFIG_SMALL("raw E-AC-3"),
     .mime_type         = "audio/x-eac3",
-    .extensions        = "eac3",
+    .extensions        = "eac3,ec3",
     .audio_codec       = AV_CODEC_ID_EAC3,
     .video_codec       = AV_CODEC_ID_NONE,
     .init              = force_one_stream,
-- 
2.25.1

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