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hlsproto: Store all durations in AV_TIME_BASE 

Also parse segment durations as floating point, which is allowed
since HLS version 3.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-07-29 10:27:09 +03:00
parent c441910399
commit a2b7eeeb06
1 changed files with 7 additions and 7 deletions
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14
libavformat/hlsproto.c
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@ -45,7 +45,7 @@
*/
struct segment {
int duration;
int64_t duration;
char url[MAX_URL_SIZE];
};
@ -56,7 +56,7 @@ struct variant {
typedef struct HLSContext {
char playlisturl[MAX_URL_SIZE];
int target_duration;
int64_t target_duration;
int start_seq_no;
int finished;
int n_segments;
@ -111,7 +111,8 @@ static int parse_playlist(URLContext *h, const char *url)
{
HLSContext *s = h->priv_data;
AVIOContext *in;
int ret = 0, duration = 0, is_segment = 0, is_variant = 0, bandwidth = 0;
int ret = 0, is_segment = 0, is_variant = 0, bandwidth = 0;
int64_t duration = 0;
char line[1024];
const char *ptr;
@ -134,14 +135,14 @@ static int parse_playlist(URLContext *h, const char *url)
&info);
bandwidth = atoi(info.bandwidth);
} else if (av_strstart(line, "#EXT-X-TARGETDURATION:", &ptr)) {
s->target_duration = atoi(ptr);
s->target_duration = atoi(ptr) * AV_TIME_BASE;
} else if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
s->start_seq_no = atoi(ptr);
} else if (av_strstart(line, "#EXT-X-ENDLIST", &ptr)) {
s->finished = 1;
} else if (av_strstart(line, "#EXTINF:", &ptr)) {
is_segment = 1;
duration = atoi(ptr);
duration = atof(ptr) * AV_TIME_BASE;
} else if (av_strstart(line, "#", NULL)) {
continue;
} else if (line[0]) {
@ -270,7 +271,6 @@ start:
reload_interval = s->n_segments > 0 ?
s->segments[s->n_segments - 1]->duration :
s->target_duration;
reload_interval *= 1000000;
retry:
if (!s->finished) {
int64_t now = av_gettime();
@ -280,7 +280,7 @@ retry:
/* If we need to reload the playlist again below (if
* there's still no more segments), switch to a reload
* interval of half the target duration. */
reload_interval = s->target_duration * 500000;
reload_interval = s->target_duration / 2;
}
}
if (s->cur_seq_no < s->start_seq_no) {