[FFmpeg-cvslog] avformat/evc_muxer: Added muxer to handle writing EVC encoded data into file or output bytestream

[Dawid Kozinski]

ffmpeg | branch: master | Dawid Kozinski <d.kozinski at samsung.com> | Thu Jun 15 13:47:03 2023 +0200| [3069a8fe3cc7159dceec29130deb101edf99b456] | committer: James Almer

avformat/evc_muxer: Added muxer to handle writing EVC encoded data into file or output bytestream

- Provided AVOutputFormat structure describing EVC output format (ff_evc_muxer)
- Added documentation for EVC muxer

Signed-off-by: Dawid Kozinski <d.kozinski at samsung.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3069a8fe3cc7159dceec29130deb101edf99b456
---

 doc/muxers.texi          |  6 ++++++
 libavformat/Makefile     |  1 +
 libavformat/allformats.c |  1 +
 libavformat/rawenc.c     | 13 +++++++++++++
 4 files changed, 21 insertions(+)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index 91d30c5b3b..f6071484ff 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -2122,6 +2122,12 @@ DTS Coherent Acoustics (DCA) audio.
 
 Dolby Digital Plus, also known as Enhanced AC-3, audio.
 
+ at subsection evc
+
+MPEG-5 Essential Video Coding (EVC) / EVC / MPEG-5 Part 1 EVC video.
+
+Extensions: evc
+
 @subsection g722
 
 ITU-T G.722 audio.
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 05434a0f82..f31135d806 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -251,6 +251,7 @@ OBJS-$(CONFIG_HCOM_DEMUXER)              += hcom.o pcm.o
 OBJS-$(CONFIG_HDS_MUXER)                 += hdsenc.o
 OBJS-$(CONFIG_HEVC_DEMUXER)              += hevcdec.o rawdec.o
 OBJS-$(CONFIG_HEVC_MUXER)                += rawenc.o
+OBJS-$(CONFIG_EVC_MUXER)                 += rawenc.o
 OBJS-$(CONFIG_HLS_DEMUXER)               += hls.o hls_sample_encryption.o
 OBJS-$(CONFIG_HLS_MUXER)                 += hlsenc.o hlsplaylist.o avc.o
 OBJS-$(CONFIG_HNM_DEMUXER)               += hnm.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 96443a7272..d3871de268 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -154,6 +154,7 @@ extern const AVInputFormat  ff_ea_cdata_demuxer;
 extern const AVInputFormat  ff_eac3_demuxer;
 extern const FFOutputFormat ff_eac3_muxer;
 extern const AVInputFormat  ff_epaf_demuxer;
+extern const FFOutputFormat ff_evc_muxer;
 extern const FFOutputFormat ff_f4v_muxer;
 extern const AVInputFormat  ff_ffmetadata_demuxer;
 extern const FFOutputFormat ff_ffmetadata_muxer;
diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c
index 78fadda967..70d6322c53 100644
--- a/libavformat/rawenc.c
+++ b/libavformat/rawenc.c
@@ -401,6 +401,19 @@ const FFOutputFormat ff_hevc_muxer = {
 };
 #endif
 
+#if CONFIG_EVC_MUXER
+const FFOutputFormat ff_evc_muxer = {
+    .p.name            = "evc",
+    .p.long_name       = NULL_IF_CONFIG_SMALL("raw EVC video"),
+    .p.extensions      = "evc",
+    .p.audio_codec     = AV_CODEC_ID_NONE,
+    .p.video_codec     = AV_CODEC_ID_EVC,
+    .init              = force_one_stream,
+    .write_packet      = ff_raw_write_packet,
+    .p.flags           = AVFMT_NOTIMESTAMPS,
+};
+#endif
+
 #if CONFIG_M4V_MUXER
 const FFOutputFormat ff_m4v_muxer = {
     .p.name            = "m4v",