*/
#include "libavutil/avstring.h"
+#include "libavutil/time.h"
#include "avformat.h"
#include "internal.h"
#include "url.h"
#include "version.h"
-#include <unistd.h>
/*
* An apple http stream consists of a playlist with media segment files,
* played sequentially. There may be several playlists with the same
* video content, in different bandwidth variants, that are played in
- * parallel (preferrably only one bandwidth variant at a time). In this case,
+ * parallel (preferably only one bandwidth variant at a time). In this case,
* the user supplied the url to a main playlist that only lists the variant
* playlists.
*
*/
struct segment {
- int duration;
+ int64_t duration;
char url[MAX_URL_SIZE];
};
char url[MAX_URL_SIZE];
};
-typedef struct AppleHTTPContext {
+typedef struct HLSContext {
char playlisturl[MAX_URL_SIZE];
- int target_duration;
+ int64_t target_duration;
int start_seq_no;
int finished;
int n_segments;
int cur_seq_no;
URLContext *seg_hd;
int64_t last_load_time;
-} AppleHTTPContext;
+} HLSContext;
static int read_chomp_line(AVIOContext *s, char *buf, int maxlen)
{
int len = ff_get_line(s, buf, maxlen);
- while (len > 0 && isspace(buf[len - 1]))
+ while (len > 0 && av_isspace(buf[len - 1]))
buf[--len] = '\0';
return len;
}
-static void free_segment_list(AppleHTTPContext *s)
+static void free_segment_list(HLSContext *s)
{
int i;
for (i = 0; i < s->n_segments; i++)
s->n_segments = 0;
}
-static void free_variant_list(AppleHTTPContext *s)
+static void free_variant_list(HLSContext *s)
{
int i;
for (i = 0; i < s->n_variants; i++)
static int parse_playlist(URLContext *h, const char *url)
{
- AppleHTTPContext *s = h->priv_data;
+ 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;
&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]) {
}
}
}
- s->last_load_time = av_gettime();
+ s->last_load_time = av_gettime_relative();
fail:
avio_close(in);
return ret;
}
-static int applehttp_close(URLContext *h)
+static int hls_close(URLContext *h)
{
- AppleHTTPContext *s = h->priv_data;
+ HLSContext *s = h->priv_data;
free_segment_list(s);
free_variant_list(s);
return 0;
}
-static int applehttp_open(URLContext *h, const char *uri, int flags)
+static int hls_open(URLContext *h, const char *uri, int flags)
{
- AppleHTTPContext *s = h->priv_data;
+ HLSContext *s = h->priv_data;
int ret, i;
const char *nested_url;
nested_url);
ret = AVERROR(EINVAL);
goto fail;
-#if FF_API_APPLEHTTP_PROTO
- } else if (av_strstart(uri, "applehttp+", &nested_url)) {
- av_strlcpy(s->playlisturl, nested_url, sizeof(s->playlisturl));
- av_log(h, AV_LOG_WARNING,
- "The applehttp protocol is deprecated, use hls+%s as url "
- "instead.\n", nested_url);
- } else if (av_strstart(uri, "applehttp://", &nested_url)) {
- av_strlcpy(s->playlisturl, "http://", sizeof(s->playlisturl));
- av_strlcat(s->playlisturl, nested_url, sizeof(s->playlisturl));
- av_log(h, AV_LOG_WARNING,
- "The applehttp protocol is deprecated, use hls+http://%s as url "
- "instead.\n", nested_url);
-#endif
} else {
av_log(h, AV_LOG_ERROR, "Unsupported url %s\n", uri);
ret = AVERROR(EINVAL);
return 0;
fail:
- applehttp_close(h);
+ hls_close(h);
return ret;
}
-static int applehttp_read(URLContext *h, uint8_t *buf, int size)
+static int hls_read(URLContext *h, uint8_t *buf, int size)
{
- AppleHTTPContext *s = h->priv_data;
+ HLSContext *s = h->priv_data;
const char *url;
int ret;
int64_t reload_interval;
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();
+ int64_t now = av_gettime_relative();
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;
+ reload_interval = s->target_duration / 2;
}
}
if (s->cur_seq_no < s->start_seq_no) {
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 < reload_interval) {
+ while (av_gettime_relative() - s->last_load_time < reload_interval) {
if (ff_check_interrupt(&h->interrupt_callback))
return AVERROR_EXIT;
- usleep(100*1000);
+ av_usleep(100*1000);
}
goto retry;
}
goto start;
}
-#if FF_API_APPLEHTTP_PROTO
-URLProtocol ff_applehttp_protocol = {
- .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),
-};
-#endif
-
URLProtocol ff_hls_protocol = {
.name = "hls",
- .url_open = applehttp_open,
- .url_read = applehttp_read,
- .url_close = applehttp_close,
+ .url_open = hls_open,
+ .url_read = hls_read,
+ .url_close = hls_close,
.flags = URL_PROTOCOL_FLAG_NESTED_SCHEME,
- .priv_data_size = sizeof(AppleHTTPContext),
+ .priv_data_size = sizeof(HLSContext),
};