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avformat: add an AV1 Low overhead bitstream format muxer

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Suggested-by: BBB
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-08-27 16:34:06 -03:00
parent 2818b14392
commit 8a6beccf0d
7 changed files with 27 additions and 2 deletions
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1
Changelog
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@ -15,6 +15,7 @@ version <next>:
- adecorrelate audio filter
- atilt audio filter
- grayworld video filter
- AV1 Low overhead bitstream format muxer
version 4.4:

1
configure vendored
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@ -3388,6 +3388,7 @@ mxf_opatom_muxer_select="mxf_muxer"
nut_muxer_select="riffenc"
nuv_demuxer_select="riffdec"
obu_demuxer_select="av1_frame_merge_bsf av1_parser"
obu_muxer_select="av1_metadata_bsf"
oga_muxer_select="ogg_muxer"
ogg_demuxer_select="dirac_parse"
ogv_muxer_select="ogg_muxer"

1
doc/general_contents.texi
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@ -599,6 +599,7 @@ library:
@item raw NULL @tab X @tab
@item raw video @tab X @tab X
@item raw id RoQ @tab X @tab
@item raw OBU @tab X @tab X
@item raw SBC @tab X @tab X
@item raw Shorten @tab @tab X
@item raw TAK @tab @tab X

1
libavformat/Makefile
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@ -379,6 +379,7 @@ OBJS-$(CONFIG_NUT_MUXER) += nutenc.o nut.o
OBJS-$(CONFIG_NUV_DEMUXER) += nuv.o
OBJS-$(CONFIG_AV1_DEMUXER) += av1dec.o
OBJS-$(CONFIG_OBU_DEMUXER) += av1dec.o
OBJS-$(CONFIG_OBU_MUXER) += rawenc.o
OBJS-$(CONFIG_OGG_DEMUXER) += oggdec.o \
oggparsecelt.o \
oggparsedirac.o \

1
libavformat/allformats.c
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@ -305,6 +305,7 @@ extern const AVInputFormat ff_nut_demuxer;
extern const AVOutputFormat ff_nut_muxer;
extern const AVInputFormat ff_nuv_demuxer;
extern const AVInputFormat ff_obu_demuxer;
extern const AVOutputFormat ff_obu_muxer;
extern const AVOutputFormat ff_oga_muxer;
extern const AVInputFormat ff_ogg_demuxer;
extern const AVOutputFormat ff_ogg_muxer;

20
libavformat/rawenc.c
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@ -453,6 +453,26 @@ const AVOutputFormat ff_mpeg2video_muxer = {
};
#endif
#if CONFIG_OBU_MUXER
static int obu_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
{
AVStream *st = s->streams[0];
return ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert");
}
const AVOutputFormat ff_obu_muxer = {
.name = "obu",
.long_name = NULL_IF_CONFIG_SMALL("AV1 low overhead OBU"),
.extensions = "obu",
.audio_codec = AV_CODEC_ID_NONE,
.video_codec = AV_CODEC_ID_AV1,
.init = force_one_stream,
.write_packet = ff_raw_write_packet,
.check_bitstream = obu_check_bitstream,
.flags = AVFMT_NOTIMESTAMPS,
};
#endif
#if CONFIG_RAWVIDEO_MUXER
const AVOutputFormat ff_rawvideo_muxer = {
.name = "rawvideo",

4
libavformat/version.h
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@ -32,8 +32,8 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 59
#define LIBAVFORMAT_VERSION_MINOR 4
#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_MINOR 5
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \