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Code Issues Releases Activity

dashenc: allow AdaptationSets to have different average frame rates

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Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Peter Große 2017-10-26 18:17:31 +02:00 committed by Michael Niedermayer
parent 1443859a8d
commit 2911dabd51
1 changed files with 9 additions and 10 deletions
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19
libavformat/dashenc.c
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@ -55,6 +55,8 @@ typedef struct AdaptationSet {
char id[10];
enum AVMediaType media_type;
AVDictionary *metadata;
AVRational min_frame_rate, max_frame_rate;
int ambiguous_frame_rate;
} AdaptationSet;
typedef struct OutputStream {
@ -97,8 +99,6 @@ typedef struct DASHContext {
const char *single_file_name;
const char *init_seg_name;
const char *media_seg_name;
AVRational min_frame_rate, max_frame_rate;
int ambiguous_frame_rate;
const char *utc_timing_url;
} DASHContext;
@ -393,8 +393,8 @@ static int write_adaptation_set(AVFormatContext *s, AVIOContext *out, int as_ind
avio_printf(out, "\t\t<AdaptationSet id=\"%s\" contentType=\"%s\" segmentAlignment=\"true\" bitstreamSwitching=\"true\"",
as->id, as->media_type == AVMEDIA_TYPE_VIDEO ? "video" : "audio");
if (as->media_type == AVMEDIA_TYPE_VIDEO && c->max_frame_rate.num && !c->ambiguous_frame_rate)
avio_printf(out, " %s=\"%d/%d\"", (av_cmp_q(c->min_frame_rate, c->max_frame_rate) < 0) ? "maxFrameRate" : "frameRate", c->max_frame_rate.num, c->max_frame_rate.den);
if (as->media_type == AVMEDIA_TYPE_VIDEO && as->max_frame_rate.num && !as->ambiguous_frame_rate)
avio_printf(out, " %s=\"%d/%d\"", (av_cmp_q(as->min_frame_rate, as->max_frame_rate) < 0) ? "maxFrameRate" : "frameRate", as->max_frame_rate.num, as->max_frame_rate.den);
lang = av_dict_get(as->metadata, "language", NULL, 0);
if (lang)
avio_printf(out, " lang=\"%s\"", lang->value);
@ -677,7 +677,6 @@ static int dash_init(AVFormatContext *s)
c->single_file = 1;
if (c->single_file)
c->use_template = 0;
c->ambiguous_frame_rate = 0;
av_strlcpy(c->dirname, s->filename, sizeof(c->dirname));
ptr = strrchr(c->dirname, '/');
@ -805,12 +804,12 @@ static int dash_init(AVFormatContext *s)
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
AVRational avg_frame_rate = s->streams[i]->avg_frame_rate;
if (avg_frame_rate.num > 0) {
if (av_cmp_q(avg_frame_rate, c->min_frame_rate) < 0)
c->min_frame_rate = avg_frame_rate;
if (av_cmp_q(c->max_frame_rate, avg_frame_rate) < 0)
c->max_frame_rate = avg_frame_rate;
if (av_cmp_q(avg_frame_rate, as->min_frame_rate) < 0)
as->min_frame_rate = avg_frame_rate;
if (av_cmp_q(as->max_frame_rate, avg_frame_rate) < 0)
as->max_frame_rate = avg_frame_rate;
} else {
c->ambiguous_frame_rate = 1;
as->ambiguous_frame_rate = 1;
}
c->has_video = 1;
}