int StHlsTask::DownloadTS(StHttpClient& client, M3u8TS& ts){
int ret = ERROR_SUCCESS;
HttpUrl url;
if((ret = url.Initialize(ts.ts_url)) != ERROR_SUCCESS){
Error("initialize ts url failed. ret=%d", ret);
return ret;
}
Info("[TS] url=%s, duration=%.2f, delay=%.2f", url.GetUrl(), ts.duration, delay_seconds);
statistic->OnSubTaskStart(GetId(), ts.ts_url);
if((ret = client.DownloadString(&url, NULL)) != ERROR_SUCCESS){
statistic->OnSubTaskError(GetId(), (int)ts.duration);
Error("http client download ts file %s failed. ret=%d", url.GetUrl(), ret);
return ret;
}
int sleep_ms = StUtility::BuildRandomMTime((delay_seconds >= 0)? delay_seconds:ts.duration);
Trace("[TS] url=%s download, duration=%.2f, delay=%.2f, size=%"PRId64", sleep %dms",
url.GetUrl(), ts.duration, delay_seconds, client.GetResponseHeader()->content_length, sleep_ms);
st_usleep(sleep_ms * 1000);
statistic->OnSubTaskEnd(GetId(), (int)ts.duration);
return ret;
}
int StHttpClient::on_headers_complete(http_parser* parser){
StHttpClient* obj = (StHttpClient*)parser->data;
obj->OnHeaderCompleted(parser);
// see http_parser.c:1570, return 1 to skip body.
return 1;
}
int StHlsTask::ProcessM3u8(StHttpClient& client){
int ret = ERROR_SUCCESS;
string m3u8;
if((ret = client.DownloadString(&url, &m3u8)) != ERROR_SUCCESS){
Error("http client get m3u8 failed. ret=%d", ret);
return ret;
}
Trace("[HLS] get m3u8 %s get success, length=%"PRId64, url.GetUrl(), (int64_t)m3u8.length());
string variant;
vector<M3u8TS> ts_objects;
if((ret = HlsM3u8Parser::ParseM3u8Data(&url, m3u8, ts_objects, target_duration, variant)) != ERROR_SUCCESS){
Error("http client parse m3u8 content failed. ret=%d", ret);
return ret;
}
if (!variant.empty()) {
if ((ret = url.Initialize(variant)) != ERROR_SUCCESS) {
Error("parse variant=%s failed, ret=%d", variant.c_str(), ret);
return ret;
}
return ret;
}
if((ret = ProcessTS(client, ts_objects)) != ERROR_SUCCESS){
Error("http client download m3u8 ts file failed. ret=%d", ret);
return ret;
}
return ret;
}