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RTC: Refine code

This commit is contained in:
winlin 2020-07-24 16:44:16 +08:00
parent bf3b917f1f
commit e0c9544995

View file

@ -126,11 +126,10 @@ srs_error_t SrsRtpExtensionTwcc::decode(SrsBuffer* buf)
return srs_error_new(ERROR_RTC_RTP, "invalid twcc id=%d, len=%d", id_, len);
}
if (!buf->require(3)) {
return srs_error_new(ERROR_RTC_RTP_MUXER, "requires %d bytes", 3);
if (!buf->require(2)) {
return srs_error_new(ERROR_RTC_RTP_MUXER, "requires %d bytes", 2);
}
sn_ = buf->read_2bytes();
buf->read_1bytes();
has_twcc_ = true;
return err;
@ -145,9 +144,16 @@ srs_error_t SrsRtpExtensionTwcc::encode(SrsBuffer* buf)
{
srs_error_t err = srs_success;
// TODO: FIXME: Only requires 3 bytes.
if(!buf->require(4)) {
return srs_error_new(ERROR_RTC_RTP_MUXER, "requires %d bytes", 4);
}
uint8_t id_len = (id_ & 0x0F)<< 4| 0x01;
buf->write_1bytes(id_len);
buf->write_2bytes(sn_);
// TODO: FIXME: Should padding in the final of SrsRtpExtensions::encode.
buf->write_1bytes(0x00);
return err;
@ -265,7 +271,9 @@ int SrsRtpExtensions::nb_bytes()
srs_error_t SrsRtpExtensions::encode(SrsBuffer* buf)
{
srs_error_t err = srs_success;
buf->write_2bytes(0xBEDE);
int len = 0;
//TODO: When add new rtp extension, it should add the extension length into len
if (twcc_.has_twcc_ext()) {