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for #381, refine the deviation for hls.

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winlin 2015-04-13 11:45:08 +08:00
parent dcac9c69d5
commit 40eab7fc88
1 changed files with 6 additions and 4 deletions
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10
trunk/src/app/srs_app_hls.cpp
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@ -60,9 +60,9 @@ using namespace std;
#define SRS_AUTO_HLS_SEGMENT_MIN_DURATION_MS 100
// fragment plus the deviation percent.
#define SRS_HLS_FLOOR_REAP_PERCENT 0.2
#define SRS_HLS_FLOOR_REAP_PERCENT 0.3
// reset the piece id when deviation overflow this.
#define SRS_JUMP_WHEN_PIECE_DEVIATION 10
#define SRS_JUMP_WHEN_PIECE_DEVIATION 20
ISrsHlsHandler::ISrsHlsHandler()
{
@ -441,7 +441,7 @@ int SrsHlsMuxer::segment_open(int64_t segment_start_dts)
ts_file = srs_path_build_stream(ts_file, req->vhost, req->app, req->stream);
if (hls_ts_floor) {
// accept the floor ts for the first piece.
int64_t current_floor_ts = (int64_t)(srs_get_system_time_ms() / (1000 * hls_fragment));
int64_t current_floor_ts = (int64_t)(srs_update_system_time_ms() / (1000 * hls_fragment));
if (!accept_floor_ts) {
accept_floor_ts = current_floor_ts - 1;
} else {
@ -459,7 +459,7 @@ int SrsHlsMuxer::segment_open(int64_t segment_start_dts)
// dup/jmp detect for ts in floor mode.
if (previous_floor_ts && previous_floor_ts != current_floor_ts - 1) {
srs_warn("hls: dup or jmp for floor ts, previous=%"PRId64", current=%"PRId64", accept=%"PRId64", deviation=%d",
srs_warn("hls: dup/jmp ts, previous=%"PRId64", current=%"PRId64", accept=%"PRId64", deviation=%d",
previous_floor_ts, current_floor_ts, accept_floor_ts, deviation_ts);
}
previous_floor_ts = current_floor_ts;
@ -540,6 +540,8 @@ bool SrsHlsMuxer::is_segment_overflow()
// use N% deviation, to smoother.
double deviation = hls_ts_floor? SRS_HLS_FLOOR_REAP_PERCENT * deviation_ts * hls_fragment : 0.0;
srs_info("hls: dur=%.2f, tar=%.2f, dev=%.2fms/%dp, frag=%.2f",
current->duration, hls_fragment + deviation, deviation, deviation_ts, hls_fragment);
return current->duration >= hls_fragment + deviation;
}