mirror of https://git.ffmpeg.org/ffmpeg.git
applehttp: Move finished and target_duration to the variant struct
This is a preparation for a restructuring of the demuxer, to minimize the later diff.
This commit is contained in:
parent
57cc1ad35f
commit
d3964da2c2
|
@ -61,6 +61,8 @@ struct variant {
|
|||
AVPacket pkt;
|
||||
int stream_offset;
|
||||
|
||||
int finished;
|
||||
int target_duration;
|
||||
int start_seq_no;
|
||||
int n_segments;
|
||||
struct segment **segments;
|
||||
|
@ -68,8 +70,6 @@ struct variant {
|
|||
};
|
||||
|
||||
typedef struct AppleHTTPContext {
|
||||
int target_duration;
|
||||
int finished;
|
||||
int n_variants;
|
||||
struct variant **variants;
|
||||
int cur_seq_no;
|
||||
|
@ -170,9 +170,10 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
|
|||
goto fail;
|
||||
}
|
||||
|
||||
if (var)
|
||||
if (var) {
|
||||
free_segment_list(var);
|
||||
c->finished = 0;
|
||||
var->finished = 0;
|
||||
}
|
||||
while (!in->eof_reached) {
|
||||
read_chomp_line(in, line, sizeof(line));
|
||||
if (av_strstart(line, "#EXT-X-STREAM-INF:", &ptr)) {
|
||||
|
@ -182,7 +183,14 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
|
|||
&info);
|
||||
bandwidth = atoi(info.bandwidth);
|
||||
} else if (av_strstart(line, "#EXT-X-TARGETDURATION:", &ptr)) {
|
||||
c->target_duration = atoi(ptr);
|
||||
if (!var) {
|
||||
var = new_variant(c, 0, url, NULL);
|
||||
if (!var) {
|
||||
ret = AVERROR(ENOMEM);
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
var->target_duration = atoi(ptr);
|
||||
} else if (av_strstart(line, "#EXT-X-MEDIA-SEQUENCE:", &ptr)) {
|
||||
if (!var) {
|
||||
var = new_variant(c, 0, url, NULL);
|
||||
|
@ -193,7 +201,8 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
|
|||
}
|
||||
var->start_seq_no = atoi(ptr);
|
||||
} else if (av_strstart(line, "#EXT-X-ENDLIST", &ptr)) {
|
||||
c->finished = 1;
|
||||
if (var)
|
||||
var->finished = 1;
|
||||
} else if (av_strstart(line, "#EXTINF:", &ptr)) {
|
||||
is_segment = 1;
|
||||
duration = atoi(ptr);
|
||||
|
@ -268,7 +277,7 @@ static int applehttp_read_header(AVFormatContext *s, AVFormatParameters *ap)
|
|||
|
||||
/* If this isn't a live stream, calculate the total duration of the
|
||||
* stream. */
|
||||
if (c->finished) {
|
||||
if (c->variants[0]->finished) {
|
||||
int64_t duration = 0;
|
||||
for (i = 0; i < c->variants[0]->n_segments; i++)
|
||||
duration += c->variants[0]->segments[i]->duration;
|
||||
|
@ -306,7 +315,7 @@ static int applehttp_read_header(AVFormatContext *s, AVFormatParameters *ap)
|
|||
c->cur_seq_no = c->max_start_seq;
|
||||
/* If this is a live stream with more than 3 segments, start at the
|
||||
* third last segment. */
|
||||
if (!c->finished && c->min_end_seq - c->max_start_seq > 3)
|
||||
if (!c->variants[0]->finished && c->min_end_seq - c->max_start_seq > 3)
|
||||
c->cur_seq_no = c->min_end_seq - 2;
|
||||
|
||||
return 0;
|
||||
|
@ -326,7 +335,7 @@ static int open_variant(AppleHTTPContext *c, struct variant *var, int skip)
|
|||
return 0;
|
||||
}
|
||||
if (c->cur_seq_no - var->start_seq_no >= var->n_segments)
|
||||
return c->finished ? AVERROR_EOF : 0;
|
||||
return c->variants[0]->finished ? AVERROR_EOF : 0;
|
||||
ret = avio_open(&var->pb,
|
||||
var->segments[c->cur_seq_no - var->start_seq_no]->url,
|
||||
URL_RDONLY);
|
||||
|
@ -390,7 +399,7 @@ start:
|
|||
} else if (!var->pb && var->needed) {
|
||||
if (first)
|
||||
av_log(s, AV_LOG_DEBUG, "Opening variant stream %d\n", i);
|
||||
if (first && !c->finished)
|
||||
if (first && !var->finished)
|
||||
if ((ret = parse_playlist(c, var->url, var, NULL)) < 0)
|
||||
return ret;
|
||||
ret = open_variant(c, var, first);
|
||||
|
@ -442,11 +451,11 @@ start:
|
|||
first = 0;
|
||||
c->cur_seq_no++;
|
||||
reload:
|
||||
if (!c->finished) {
|
||||
if (!c->variants[0]->finished) {
|
||||
/* If this is a live stream and target_duration has elapsed since
|
||||
* the last playlist reload, reload the variant playlists now. */
|
||||
int64_t now = av_gettime();
|
||||
if (now - c->last_load_time >= c->target_duration*1000000) {
|
||||
if (now - c->last_load_time >= c->variants[0]->target_duration*1000000) {
|
||||
c->max_start_seq = 0;
|
||||
c->min_end_seq = INT_MAX;
|
||||
for (i = 0; i < c->n_variants; i++) {
|
||||
|
@ -473,9 +482,10 @@ reload:
|
|||
goto start;
|
||||
/* We've reached the end of the playlists - return eof if this is a
|
||||
* non-live stream, wait until the next playlist reload if it is live. */
|
||||
if (c->finished)
|
||||
if (c->variants[0]->finished)
|
||||
return AVERROR_EOF;
|
||||
while (av_gettime() - c->last_load_time < c->target_duration*1000000) {
|
||||
while (av_gettime() - c->last_load_time <
|
||||
c->variants[0]->target_duration*1000000) {
|
||||
if (url_interrupt_cb())
|
||||
return AVERROR_EXIT;
|
||||
usleep(100*1000);
|
||||
|
@ -500,7 +510,7 @@ static int applehttp_read_seek(AVFormatContext *s, int stream_index,
|
|||
int i;
|
||||
struct variant *var = c->variants[0];
|
||||
|
||||
if ((flags & AVSEEK_FLAG_BYTE) || !c->finished)
|
||||
if ((flags & AVSEEK_FLAG_BYTE) || !c->variants[0]->finished)
|
||||
return AVERROR(ENOSYS);
|
||||
|
||||
/* Reset the variants */
|
||||
|
|
Loading…
Reference in New Issue