* Apple HTTP Live Streaming Protocol Handler
* Copyright (c) 2010 Martin Storsjo
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
char line[1024];
const char *ptr;
- if ((ret = avio_open(&in, url, AVIO_FLAG_READ)) < 0)
+ if ((ret = avio_open2(&in, url, AVIO_FLAG_READ,
+ &h->interrupt_callback, NULL)) < 0)
return ret;
read_chomp_line(in, line, sizeof(line));
free_segment_list(s);
s->finished = 0;
- while (!in->eof_reached) {
+ while (!url_feof(in)) {
read_chomp_line(in, line, sizeof(line));
if (av_strstart(line, "#EXT-X-STREAM-INF:", &ptr)) {
struct variant_info info = {{0}};
return ret;
}
+static int applehttp_close(URLContext *h)
+{
+ AppleHTTPContext *s = h->priv_data;
+
+ free_segment_list(s);
+ free_variant_list(s);
+ ffurl_close(s->seg_hd);
+ return 0;
+}
+
static int applehttp_open(URLContext *h, const char *uri, int flags)
{
- AppleHTTPContext *s;
+ AppleHTTPContext *s = h->priv_data;
int ret, i;
const char *nested_url;
if (flags & AVIO_FLAG_WRITE)
return AVERROR(ENOSYS);
- s = av_mallocz(sizeof(AppleHTTPContext));
- if (!s)
- return AVERROR(ENOMEM);
- h->priv_data = s;
h->is_streamed = 1;
if (av_strstart(uri, "applehttp+", &nested_url)) {
return 0;
fail:
- av_free(s);
+ applehttp_close(h);
return ret;
}
AppleHTTPContext *s = h->priv_data;
const char *url;
int ret;
+ int64_t reload_interval;
start:
if (s->seg_hd) {
s->seg_hd = NULL;
s->cur_seq_no++;
}
+ 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();
- if (now - s->last_load_time >= s->target_duration*1000000)
+ if (now - s->last_load_time >= reload_interval) {
if ((ret = parse_playlist(h, s->playlisturl)) < 0)
return ret;
+ /* 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;
+ }
}
if (s->cur_seq_no < s->start_seq_no) {
av_log(h, AV_LOG_WARNING,
if (s->cur_seq_no - s->start_seq_no >= s->n_segments) {
if (s->finished)
return AVERROR_EOF;
- while (av_gettime() - s->last_load_time < s->target_duration*1000000) {
+ while (av_gettime() - s->last_load_time < reload_interval) {
if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
usleep(100*1000);
url = s->segments[s->cur_seq_no - s->start_seq_no]->url,
av_log(h, AV_LOG_DEBUG, "opening %s\n", url);
ret = ffurl_open(&s->seg_hd, url, AVIO_FLAG_READ,
- &h->interrupt_callback);
+ &h->interrupt_callback, NULL);
if (ret < 0) {
if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
goto start;
}
-static int applehttp_close(URLContext *h)
-{
- AppleHTTPContext *s = h->priv_data;
-
- free_segment_list(s);
- free_variant_list(s);
- ffurl_close(s->seg_hd);
- av_free(s);
- return 0;
-}
-
URLProtocol ff_applehttp_protocol = {
- .name = "applehttp",
- .url_open = applehttp_open,
- .url_read = applehttp_read,
- .url_close = applehttp_close,
- .flags = URL_PROTOCOL_FLAG_NESTED_SCHEME,
+ .name = "applehttp",
+ .url_open = applehttp_open,
+ .url_read = applehttp_read,
+ .url_close = applehttp_close,
+ .flags = URL_PROTOCOL_FLAG_NESTED_SCHEME,
+ .priv_data_size = sizeof(AppleHTTPContext),
};