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RTC: Use shared message for RTP packet

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This commit is contained in:
winlin 2020-05-14 14:26:19 +08:00
parent 4e1935f678
commit f794a7d3a7
8 changed files with 195 additions and 59 deletions
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41
trunk/src/kernel/srs_kernel_rtc_rtp.hpp
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@ -97,6 +97,15 @@ public:
uint8_t get_padding_length() const;
};
class ISrsRtpPayloader : public ISrsCodec
{
public:
ISrsRtpPayloader();
virtual ~ISrsRtpPayloader();
public:
virtual ISrsRtpPayloader* copy() = 0;
};
class ISrsRtpPacketDecodeHandler
{
public:
@ -104,7 +113,7 @@ public:
virtual ~ISrsRtpPacketDecodeHandler();
public:
// We don't know the actual payload, so we depends on external handler.
virtual void on_before_decode_payload(SrsRtpPacket2* pkt, SrsBuffer* buf, ISrsCodec** ppayload) = 0;
virtual void on_before_decode_payload(SrsRtpPacket2* pkt, SrsBuffer* buf, ISrsRtpPayloader** ppayload) = 0;
};
class SrsRtpPacket2
@ -113,7 +122,7 @@ class SrsRtpPacket2
public:
// TODO: FIXME: Rename to header.
SrsRtpHeader rtp_header;
ISrsCodec* payload;
ISrsRtpPayloader* payload;
// TODO: FIXME: Merge into rtp_header.
int padding;
// Helper fields.
@ -121,6 +130,7 @@ public:
// The first byte as nalu type, for video decoder only.
SrsAvcNaluType nalu_type;
// The original bytes for decoder or bridger only, we will free it.
// TODO: FIXME: Should covert to shared prt message.
char* original_bytes;
// The original msg for bridger only, we will free it.
SrsSharedPtrMessage* original_msg;
@ -152,6 +162,8 @@ public:
void set_decode_handler(ISrsRtpPacketDecodeHandler* h);
// Whether the packet is Audio packet.
bool is_audio();
// Copy the RTP packet.
SrsRtpPacket2* copy();
// interface ISrsEncoder
public:
virtual int nb_bytes();
@ -160,7 +172,7 @@ public:
};
// Single payload data.
class SrsRtpRawPayload : public ISrsCodec
class SrsRtpRawPayload : public ISrsRtpPayloader
{
public:
// The RAW payload, directly point to the shared memory.
@ -170,15 +182,16 @@ public:
public:
SrsRtpRawPayload();
virtual ~SrsRtpRawPayload();
// interface ISrsEncoder
// interface ISrsRtpPayloader
public:
virtual int nb_bytes();
virtual srs_error_t encode(SrsBuffer* buf);
virtual srs_error_t decode(SrsBuffer* buf);
virtual ISrsRtpPayloader* copy();
};
// Multiple NALUs, automatically insert 001 between NALUs.
class SrsRtpRawNALUs : public ISrsCodec
class SrsRtpRawNALUs : public ISrsRtpPayloader
{
private:
// We will manage the samples, but the sample itself point to the shared memory.
@ -194,15 +207,16 @@ public:
uint8_t skip_first_byte();
// We will manage the returned samples, if user want to manage it, please copy it.
srs_error_t read_samples(std::vector<SrsSample*>& samples, int packet_size);
// interface ISrsEncoder
// interface ISrsRtpPayloader
public:
virtual int nb_bytes();
virtual srs_error_t encode(SrsBuffer* buf);
virtual srs_error_t decode(SrsBuffer* buf);
virtual ISrsRtpPayloader* copy();
};
// STAP-A, for multiple NALUs.
class SrsRtpSTAPPayload : public ISrsCodec
class SrsRtpSTAPPayload : public ISrsRtpPayloader
{
public:
// The NRI in NALU type.
@ -216,16 +230,17 @@ public:
public:
SrsSample* get_sps();
SrsSample* get_pps();
// interface ISrsEncoder
// interface ISrsRtpPayloader
public:
virtual int nb_bytes();
virtual srs_error_t encode(SrsBuffer* buf);
virtual srs_error_t decode(SrsBuffer* buf);
virtual ISrsRtpPayloader* copy();
};
// FU-A, for one NALU with multiple fragments.
// With more than one payload.
class SrsRtpFUAPayload : public ISrsCodec
class SrsRtpFUAPayload : public ISrsRtpPayloader
{
public:
// The NRI in NALU type.
@ -240,16 +255,17 @@ public:
public:
SrsRtpFUAPayload();
virtual ~SrsRtpFUAPayload();
// interface ISrsEncoder
// interface ISrsRtpPayloader
public:
virtual int nb_bytes();
virtual srs_error_t encode(SrsBuffer* buf);
virtual srs_error_t decode(SrsBuffer* buf);
virtual ISrsRtpPayloader* copy();
};
// FU-A, for one NALU with multiple fragments.
// With only one payload.
class SrsRtpFUAPayload2 : public ISrsCodec
class SrsRtpFUAPayload2 : public ISrsRtpPayloader
{
public:
// The NRI in NALU type.
@ -264,11 +280,12 @@ public:
public:
SrsRtpFUAPayload2();
virtual ~SrsRtpFUAPayload2();
// interface ISrsEncoder
// interface ISrsRtpPayloader
public:
virtual int nb_bytes();
virtual srs_error_t encode(SrsBuffer* buf);
virtual srs_error_t decode(SrsBuffer* buf);
virtual ISrsRtpPayloader* copy();
};
#endif