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rtc: refine set extension map for rtp_header

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This commit is contained in:
jinxue.cgh 2020-06-01 15:50:43 +08:00 • committed by winlin
parent f83276c457
commit e2fcd89644
3 changed files with 26 additions and 17 deletions
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29
trunk/src/kernel/srs_kernel_rtc_rtp.cpp
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@ -119,17 +119,11 @@ SrsRtpHeader::~SrsRtpHeader()
{
}
srs_error_t SrsRtpHeader::parse_extension(SrsBuffer* buf, const SrsRtpHeaderExtensionMap *extension_map)
{
srs_error_t SrsRtpHeader::parse_extension(SrsBuffer* buf) {
srs_error_t err = srs_success;
uint16_t profile_id = buf->read_2bytes();
extension_length = buf->read_2bytes();
if (!extension_map) {
buf->skip(extension_length * 4);
return err;
}
// @see: https://tools.ietf.org/html/rfc5285#section-4.2
if (profile_id == 0xBEDE) {
uint32_t xlen = extension_length * 4;
@ -151,7 +145,7 @@ srs_error_t SrsRtpHeader::parse_extension(SrsBuffer* buf, const SrsRtpHeaderExte
uint8_t id = (id_len & 0xF0) >> 4;
uint8_t len = (id_len & 0x0F);
SrsRtpExtensionType xtype = extension_map->get_type(id);
SrsRtpExtensionType xtype = extension_map_.get_type(id);
if (xtype == kRtpExtensionTransportSequenceNumber) {
// 0 1 2
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
@ -176,7 +170,7 @@ srs_error_t SrsRtpHeader::parse_extension(SrsBuffer* buf, const SrsRtpHeaderExte
return err;
}
srs_error_t SrsRtpHeader::decode(SrsBuffer* buf, const SrsRtpHeaderExtensionMap* extmap)
srs_error_t SrsRtpHeader::decode(SrsBuffer* buf)
{
srs_error_t err = srs_success;
@ -231,7 +225,7 @@ srs_error_t SrsRtpHeader::decode(SrsBuffer* buf, const SrsRtpHeaderExtensionMap*
| header extension |
| .... |
*/
if ((err = parse_extension(buf, extmap)) != srs_success) {
if ((err = parse_extension(buf)) != srs_success) {
return srs_error_wrap(err, "fail to parse extension");
}
}
@ -298,6 +292,12 @@ srs_error_t SrsRtpHeader::encode(SrsBuffer* buf)
return err;
}
void SrsRtpHeader::set_extensions(const SrsRtpHeaderExtensionMap* extmap)
{
if (extmap) {
extension_map_ = *extmap;
}
}
srs_error_t SrsRtpHeader::get_twcc_sequence_number(uint16_t& twcc_sn)
{
@ -449,6 +449,11 @@ SrsRtpPacket2* SrsRtpPacket2::copy()
return cp;
}
void SrsRtpPacket2::set_rtp_header_extensions(const SrsRtpHeaderExtensionMap* extmap)
{
return header.set_extensions(extmap);
}
int SrsRtpPacket2::nb_bytes()
{
if (!cached_payload_size) {
@ -482,11 +487,11 @@ srs_error_t SrsRtpPacket2::encode(SrsBuffer* buf)
return err;
}
srs_error_t SrsRtpPacket2::decode(SrsBuffer* buf, const SrsRtpHeaderExtensionMap* extmap)
srs_error_t SrsRtpPacket2::decode(SrsBuffer* buf)
{
srs_error_t err = srs_success;
if ((err = header.decode(buf, extmap)) != srs_success) {
if ((err = header.decode(buf)) != srs_success) {
return srs_error_wrap(err, "rtp header");
}