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lavf/segment: add stream_segment variant of the segment muxer 

This simplifies usage for segment streaming formats with no global
headers, tipically MPEG 2 transport stream "ts" files.

The seg class duplication is required in order to avoid an infinite loop
in libavformat/utils.c:format_child_next_class().
This commit is contained in:
Stefano Sabatini 2012-01-13 15:38:13 +01:00
parent 3cd4f9fd76
commit a9a7e215e5
3 changed files with 21 additions and 3 deletions
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1
libavformat/allformats.c
View File

@ -215,6 +215,7 @@ void av_register_all(void)
#endif
REGISTER_DEMUXER (SEGAFILM, segafilm);
REGISTER_MUXER (SEGMENT, segment);
REGISTER_MUXER (SEGMENT, stream_segment);
REGISTER_DEMUXER (SHORTEN, shorten);
REGISTER_DEMUXER (SIFF, siff);
REGISTER_DEMUXER (SMACKER, smacker);

19
libavformat/segment.c
View File

@ -269,7 +269,6 @@ static const AVClass seg_class = {
.version = LIBAVUTIL_VERSION_INT,
};
AVOutputFormat ff_segment_muxer = {
.name = "segment",
.long_name = NULL_IF_CONFIG_SMALL("segment muxer"),
@ -280,3 +279,21 @@ AVOutputFormat ff_segment_muxer = {
.write_trailer = seg_write_trailer,
.priv_class = &seg_class,
};
static const AVClass sseg_class = {
.class_name = "stream_segment muxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
};
AVOutputFormat ff_stream_segment_muxer = {
.name = "stream_segment,ssegment",
.long_name = NULL_IF_CONFIG_SMALL("streaming segment muxer"),
.priv_data_size = sizeof(SegmentContext),
.flags = AVFMT_NOFILE,
.write_header = seg_write_header,
.write_packet = seg_write_packet,
.write_trailer = seg_write_trailer,
.priv_class = &sseg_class,
};

4
libavformat/version.h
View File

@ -30,8 +30,8 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MINOR 11
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_MINOR 12
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \