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lavf/segment: guess list type from list filename suffix

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This commit is contained in:
Stefano Sabatini 2012-08-16 00:16:28 +02:00
parent dc7e4d685f
commit 1c522e3868
3 changed files with 17 additions and 6 deletions
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10
doc/muxers.texi
View File

@ -466,8 +466,9 @@ time.
The segment muxer works best with a single constant frame rate video.
Optionally it can generate a flat list of the created segments, one segment
per line, by setting the option @var{segment_list}.
Optionally it can generate a list of the created segments, by setting
the option @var{segment_list}. The list type is specified by the
@var{segment_list_type} option.
The segment muxer supports the following options:
@ -503,12 +504,15 @@ muxer according to the provided pattern, and should not contain the
@var{segment_start_time} and @var{segment_end_time} specify
the segment start and end time expressed in seconds.
A list file with the suffix @code{".ext"} will auto-select this format.
@item m3u8
Generate an extended M3U8 file, version 4, compliant with
@url{http://tools.ietf.org/id/draft-pantos-http-live-streaming-08.txt}.
A list file with the suffix @code{".m3u8"} will auto-select this format.
@end table
Default value is "flat".
If not specified the type is guessed from the list file name suffix.
@item segment_time @var{time}
Set segment duration to @var{time}. Default value is "2".
@item segment_time_delta @var{delta}

11
libavformat/segment.c
View File

@ -37,6 +37,7 @@
#include "libavutil/mathematics.h"
typedef enum {
LIST_TYPE_UNDEFINED = -1,
LIST_TYPE_FLAT = 0,
LIST_TYPE_EXT,
LIST_TYPE_M3U8,
@ -282,9 +283,15 @@ static int seg_write_header(AVFormatContext *s)
if (!oc)
return AVERROR(ENOMEM);
if (seg->list)
if (seg->list) {
if (seg->list_type == LIST_TYPE_UNDEFINED) {
if (av_match_ext(seg->list, "ext" )) seg->list_type = LIST_TYPE_EXT;
else if (av_match_ext(seg->list, "m3u8")) seg->list_type = LIST_TYPE_M3U8;
else seg->list_type = LIST_TYPE_FLAT;
}
if ((ret = segment_list_open(s)) < 0)
goto fail;
}
for (i = 0; i< s->nb_streams; i++)
seg->has_video +=
@ -411,7 +418,7 @@ static const AVOption options[] = {
{ "segment_format", "set container format used for the segments", OFFSET(format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
{ "segment_list", "set the segment list filename", OFFSET(list), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
{ "segment_list_size", "set the maximum number of playlist entries", OFFSET(list_size), AV_OPT_TYPE_INT, {.dbl = 5}, 0, INT_MAX, E },
{ "segment_list_type", "set the segment list type", OFFSET(list_type), AV_OPT_TYPE_INT, {.dbl = LIST_TYPE_FLAT}, 0, LIST_TYPE_NB-1, E, "list_type" },
{ "segment_list_type", "set the segment list type", OFFSET(list_type), AV_OPT_TYPE_INT, {.dbl = LIST_TYPE_UNDEFINED}, -1, LIST_TYPE_NB-1, E, "list_type" },
{ "flat", "flat format", 0, AV_OPT_TYPE_CONST, {.dbl=LIST_TYPE_FLAT }, INT_MIN, INT_MAX, 0, "list_type" },
{ "ext", "extended format", 0, AV_OPT_TYPE_CONST, {.dbl=LIST_TYPE_EXT }, INT_MIN, INT_MAX, 0, "list_type" },
{ "m3u8", "M3U8 format", 0, AV_OPT_TYPE_CONST, {.dbl=LIST_TYPE_M3U8 }, INT_MIN, INT_MAX, 0, "list_type" },

2
libavformat/version.h
View File

@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MINOR 25
#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_MICRO 103
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \