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Try to coop with playlist length and fragments duration

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This commit is contained in:
Sergey Dryabzhinsky 2016-08-06 05:23:18 +03:00
parent e38fcac9c9
commit 998de2937a
1 changed files with 24 additions and 3 deletions
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27
hls/ngx_rtmp_hls_module.c
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@ -534,7 +534,8 @@ ngx_rtmp_hls_write_playlist(ngx_rtmp_session_t *s)
ssize_t n;
ngx_rtmp_hls_app_conf_t *hacf;
ngx_rtmp_hls_frag_t *f;
ngx_uint_t i, max_frag;
ngx_uint_t i, start_i, max_frag;
double fragments_length;
ngx_str_t name_part, key_name_part;
uint64_t prev_key_id;
const char *sep, *key_sep;
@ -557,9 +558,29 @@ ngx_rtmp_hls_write_playlist(ngx_rtmp_session_t *s)
return NGX_ERROR;
}
/**
* Need to check fragments length sum and playlist max length
* Do backward search
*/
start_i = 0;
fragments_length = 0.;
for (i = ctx->nfrags-1; i >= 0; i--) {
f = ngx_rtmp_hls_get_frag(s, i);
if (f->duration) {
fragments_length += f->duration;
}
if (fragments_length >= hacf->playlen/1000.) {
start_i = i;
break;
}
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"hls: found starting fragment=%i", start_i);
max_frag = hacf->fraglen / 1000;
for (i = 0; i < ctx->nfrags; i++) {
for (i = start_i; i < ctx->nfrags; i++) {
f = ngx_rtmp_hls_get_frag(s, i);
if (f->duration > max_frag) {
max_frag = (ngx_uint_t) (f->duration + .5);
@ -606,7 +627,7 @@ ngx_rtmp_hls_write_playlist(ngx_rtmp_session_t *s)
prev_key_id = 0;
for (i = 0; i < ctx->nfrags; i++) {
for (i = start_i; i < ctx->nfrags; i++) {
f = ngx_rtmp_hls_get_frag(s, i);
if (i == 0 && f->datetime && f->datetime->len > 0) {
p = ngx_snprintf(buffer, sizeof(buffer), "#EXT-X-PROGRAM-DATE-TIME:");