Hi, ----- Mail original ----- > From b38a1396e2335e2d0ef2619b5a3890f91c31c8a8 Mon Sep 17 00:00:00 > 2001 > From: Rodger Combs <[email protected]> > Date: Thu, 20 Nov 2014 01:47:05 -0600 > Subject: [PATCH] dashenc: Add a segment_start_number option > > This defaults to 0 instead of 1 for consistency with the segment > encoder > --- > libavformat/dashenc.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c > index dac217e..5958270 100644 > --- a/libavformat/dashenc.c > +++ b/libavformat/dashenc.c > @@ -80,6 +80,7 @@ typedef struct DASHContext { > int total_duration; > char availability_start_time[100]; > char dirname[1024]; > + int segment_start_number; > } DASHContext; > > static int dash_write(void *opaque, uint8_t *buf, int buf_size) > @@ -182,7 +183,7 @@ static void dash_free(AVFormatContext *s) > > static void output_segment_list(OutputStream *os, AVIOContext *out, > DASHContext *c) > { > - int i, start_index = 0, start_number = 1; > + int i, start_index = 0, start_number = c->segment_start_number; > if (c->window_size) { > start_index = FFMAX(os->nb_segments - c->window_size, 0); > start_number = FFMAX(os->segment_index - c->window_size, 1); > @@ -512,7 +513,7 @@ static int dash_write_header(AVFormatContext *s) > > set_codec_str(s, os->ctx->streams[0]->codec, os->codec_str, > sizeof(os->codec_str)); > os->first_dts = AV_NOPTS_VALUE; > - os->segment_index = 1; > + os->segment_index = c->segment_start_number; > } > > if (!c->has_video && c->min_seg_duration <= 0) { > @@ -754,6 +755,7 @@ static const AVOption options[] = { > { "use_template", "Use SegmentTemplate instead of SegmentList", > OFFSET(use_template), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E }, > { "use_timeline", "Use SegmentTimeline in SegmentTemplate", > OFFSET(use_timeline), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E }, > { "single_file", "Store all segments in one file, accessed using > byte ranges", OFFSET(single_file), AV_OPT_TYPE_INT, { .i64 = 0 > }, 0, 1, E }, > + { "segment_start_number", "first segment number to write", > OFFSET(segment_start_number), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, > INT_MAX, E }, >
Default should be 1, in order not to change the current behavior. -- Ben _______________________________________________ ffmpeg-devel mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
