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Code Issues Releases Wiki Activity

For #299, write legal MPD, fix CORS.

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This commit is contained in:
winlin 2017-02-26 21:45:08 +08:00
parent 8ab727f3c5
commit 747d6f2f52
3 changed files with 42 additions and 20 deletions
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39
trunk/src/app/srs_app_dash.cpp
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@ -89,33 +89,40 @@ int SrsMpdWriter::write(SrsFormat* format)
stringstream ss;
ss << "<?xml version=\"1.0\" encoding=\"utf-8\"?>" << endl
<< "<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" " << endl
<< " xmlns=\"urn:mpeg:DASH:schema:MPD:2011\" " << endl
<< " xsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd\" " << endl
<< "<MPD profiles=\"urn:mpeg:dash:profile:isoff-live:2011,http://dashif.org/guidelines/dash-if-simple\" " << endl
<< " ns1:schemaLocation=\"urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd\" " << endl
<< " xmlns=\"urn:mpeg:dash:schema:mpd:2011\" xmlns:ns1=\"http://www.w3.org/2001/XMLSchema-instance\" " << endl
<< " type=\"dynamic\" minimumUpdatePeriod=\"PT" << update_period / 1000 << "S\" " << endl
<< " timeShiftBufferDepth=\"PT" << timeshit / 1000 << "S\" availabilityStartTime=\"1970-01-01T00:00:00Z\" " << endl
<< " maxSegmentDuration=\"PT" << fragment / 1000 << "S\" minBufferTime=\"PT1S\">" << endl
<< " <Period>" << endl;
<< " maxSegmentDuration=\"PT" << fragment / 1000 << "S\" minBufferTime=\"PT" << fragment / 1000 << "S\" >" << endl
<< " <BaseURL>" << req->stream << "/" << "</BaseURL>" << endl
<< " <Period start=\"PT0S\">" << endl;
if (format->acodec) {
ss << " <AdaptationSet mimeType=\"audio/mp4\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\" startWithSAP=\"1\">" << endl;
ss << " <SegmentTemplate initialization=\"$RepresentationID$/init.mp4\" media=\"$RepresentationID$/$Number$.m4s\" />" << endl;
ss << " <Representation id=\"audio\" bandwidth=\"48000\"/>" << endl;
ss << " <AdaptationSet mimeType=\"audio/mp4\" segmentAlignment=\"true\" startWithSAP=\"1\">" << endl;
ss << " <SegmentTemplate duration=\"" << fragment / 1000 << "\" "
<< "initialization=\"$RepresentationID$-init.mp4\" "
<< "media=\"$RepresentationID$-$Number$.m4s\" />" << endl;
ss << " <Representation id=\"audio\" bandwidth=\"48000\" codecs=\"mp4a.40.2\" />" << endl;
ss << " </AdaptationSet>" << endl;
}
if (format->vcodec) {
int w = format->vcodec->width;
int h = format->vcodec->height;
ss << " <AdaptationSet mimeType=\"video/mp4\" codecs=\"avc1.64001e\" segmentAlignment=\"true\" startWithSAP=\"1\">" << endl;
ss << " <SegmentTemplate initialization=\"$RepresentationID$/init.mp4\" media=\"$RepresentationID$/$Number$.m4s\" />" << endl;
ss << " <Representation id=\"video\" bandwidth=\"800000\" width=\"" << w << "\" height=\"" << h << "\"/>" << endl;
ss << " <AdaptationSet mimeType=\"video/mp4\" segmentAlignment=\"true\" startWithSAP=\"1\">" << endl;
ss << " <SegmentTemplate duration=\"" << fragment / 1000 << "\" "
<< "initialization=\"$RepresentationID$-init.mp4\" "
<< "media=\"$RepresentationID$-$Number$.m4s\" />" << endl;
ss << " <Representation id=\"video\" bandwidth=\"800000\" codecs=\"avc1.64001e\" "
<< "width=\"" << w << "\" height=\"" << h << "\"/>" << endl;
ss << " </AdaptationSet>" << endl;
}
ss << " </Period>" << endl
<< "</MPD>" << endl;
SrsFileWriter fw;
if ((ret = fw.open(full_path)) != ERROR_SUCCESS) {
srs_error("DASH: open MPD file=%s failed, ret=%d", full_path.c_str(), ret);
string full_path_tmp = full_path + ".tmp";
if ((ret = fw.open(full_path_tmp)) != ERROR_SUCCESS) {
srs_error("DASH: open MPD file=%s failed, ret=%d", full_path_tmp.c_str(), ret);
return ret;
}
@ -125,6 +132,12 @@ int SrsMpdWriter::write(SrsFormat* format)
return ret;
}
if (::rename(full_path_tmp.c_str(), full_path.c_str()) < 0) {
ret = ERROR_DASH_WRITE_FAILED;
srs_error("DASH: rename %s to %s failed, ret=%d", full_path_tmp.c_str(), full_path.c_str(), ret);
return ret;
}
srs_trace("DASH: refresh MPD successed, size=%dB, file=%s", content.length(), full_path.c_str());
return ret;