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rtp dispatch done, but video can not play in chrome

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This commit is contained in:
HuyaJohn 2020-03-09 04:46:27 -07:00
parent 2f462775a0
commit 3ae510b843
9 changed files with 325 additions and 32 deletions
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62
trunk/src/app/srs_app_rtp.cpp
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@ -86,9 +86,71 @@ srs_error_t SrsRtpMuxer::frame_to_packet(SrsSharedPtrMessage* shared_frame, SrsF
{
srs_error_t err = srs_success;
SrsSample* samples = new SrsSample[2000];
int sample_index = 0;
for (int i = 0; i < format->video->nb_samples; ++i) {
SrsSample sample = format->video->samples[i];
srs_trace("nal size=%d, dump=%s", sample.size, dump_string_hex(sample.bytes, sample.size, 128).c_str());
static int max_packet_size = 900;
if (sample.size < max_packet_size) {
char* buf = new char[1460];
SrsBuffer* stream = new SrsBuffer(buf, 1460);
SrsAutoFree(SrsBuffer, stream);
// write rtp header first
stream->write_1bytes(0x80);
stream->write_1bytes((1 << 7) | 102);
stream->write_2bytes(sequence++);
stream->write_4bytes((int32_t)shared_frame->timestamp);
stream->write_4bytes((int32_t)3233846889);
stream->write_bytes(sample.bytes, sample.size);
samples[sample_index].bytes = stream->data();
samples[sample_index].size = stream->pos();
++sample_index;
} else {
int num_of_packet = (sample.size + max_packet_size) / max_packet_size;
char* p = sample.bytes + 1;
int left_bytes = sample.size - 1;
for (int n = 0; n < num_of_packet; ++n) {
char* buf = new char[1460];
SrsBuffer* stream = new SrsBuffer(buf, 1460);
SrsAutoFree(SrsBuffer, stream);
// write rtp header first
stream->write_1bytes(0x80);
if (n == num_of_packet - 1) {
stream->write_1bytes((1 << 7) | 102);
} else {
stream->write_1bytes(102);
}
stream->write_2bytes(sequence++);
stream->write_4bytes((int32_t)shared_frame->timestamp);
stream->write_4bytes((int32_t)3233846889);
stream->write_1bytes(sample.bytes[0] & 0xE0 | 28);
if (n == 0) {
stream->write_1bytes(0x80 | sample.bytes[0] & 0x1F);
} else if (n == num_of_packet - 1) {
stream->write_1bytes(0x40 | sample.bytes[0] & 0x1F);
} else {
stream->write_1bytes(0x00 | sample.bytes[0] & 0x1F);
}
int len = max_packet_size ? max_packet_size : left_bytes;
stream->write_bytes(p, len);
left_bytes -= len;
p += len;
samples[sample_index].bytes = stream->data();
samples[sample_index].size = stream->pos();
++sample_index;
}
}
}
shared_frame->set_rtp_fragments(samples, sample_index);
return err;
}