mirror of
https://github.com/drasko/open-ameba.git
synced 2024-11-23 06:24:17 +00:00
336 lines
No EOL
11 KiB
C
336 lines
No EOL
11 KiB
C
#ifndef _RTSP_H_
|
|
#define _RTSP_H_
|
|
|
|
#include "dlist.h"
|
|
#include "osdep_api.h"
|
|
#include "avcodec.h"
|
|
|
|
#define RTSP_DEBUG 0
|
|
|
|
#if RTSP_DEBUG
|
|
#define RTSP_PRINTF(fmt, args...) printf("\n\r%s: " fmt, __FUNCTION__, ## args)
|
|
#define RTSP_ERROR(fmt, args...) printf("\n\r%s: " fmt, __FUNCTION__, ## args)
|
|
#else
|
|
#define RTSP_PRINTF(fmt, args...)
|
|
#define RTSP_ERROR(fmt, args...) printf("\n\r%s: " fmt, __FUNCTION__, ## args)
|
|
#endif
|
|
|
|
|
|
/*******************************************************general***************************************************************************/
|
|
|
|
struct stream_context
|
|
{
|
|
struct list_head payload_entry;
|
|
_Mutex entry_lock;
|
|
_Sema sema;
|
|
void *protoCtx; // tranport layer protocol info.(eg.RTSP/HTTP)
|
|
int isProcess;
|
|
int allowStream;
|
|
int pt; //payload type
|
|
struct codec_info codec;
|
|
void *priv; // pointer to private data
|
|
};
|
|
|
|
/************************************************************** start of rtsp *************************************************************/
|
|
|
|
/*rtsp command list*/
|
|
#define CMD_OPTIONS 1
|
|
#define CMD_DESCRIBE 2
|
|
#define CMD_SETUP 3
|
|
#define CMD_TEARDOWN 4
|
|
#define CMD_PLAY 5
|
|
#define CMD_PAUSE 6
|
|
|
|
/*rtsp cast mode list*/
|
|
#define UNICAST_UDP_MODE 1
|
|
#define UNICAST_TCP_MODE 2
|
|
#define MULTICAST_MODE 3
|
|
|
|
#define CRLF "\r\n"
|
|
#define BOUNDARY "amebaimagetest"
|
|
#define RTSP_RESPONSE_SIZE 512 //max size for request/response buffer
|
|
#define SERVER_PORT_RANGE_MIN 55608
|
|
#define SERVER_PORT_RANGE_MAX 55625
|
|
#define PORT_RANGE_MIN 50020
|
|
#define PORT_RANGE_MAX 50036
|
|
|
|
#if (SERVER_PORT_RANGE_MIN >= SERVER_PORT_RANGE_MAX) || (PORT_RANGE_MIN >= PORT_RANGE_MAX)
|
|
#error "port range invalid"
|
|
#endif
|
|
#if ((SERVER_PORT_RANGE_MIN%2) != 0) || ((PORT_RANGE_MIN%2) != 0)
|
|
#error "minimal port value should be even"
|
|
#endif
|
|
|
|
#define DEF_RTSP_PORT 554
|
|
#define DEF_HTTP_PORT 5008
|
|
|
|
/************************************************************** end of rtsp *************************************************************/
|
|
|
|
/************************************************************** start of rtp **************************************************************/
|
|
|
|
#define DEF_RTP_PORT 27750
|
|
#define RTP_BIG_ENDIAN 0
|
|
#define RTP_HDR_SZ 12
|
|
/*rtp payload type mapping and standard rtp payload type table*/
|
|
#define RTP_PT_PCMU 0
|
|
#define RTP_PT_GSM 3
|
|
#define RTP_PT_G723 4
|
|
#define RTP_PT_DVI4_R8000 5
|
|
#define RTP_PT_DVI4_R16000 6
|
|
#define RTP_PT_LPC 7
|
|
#define RTP_PT_PCMA 8
|
|
#define RTP_PT_G722 9
|
|
#define RTP_PT_L16_C2 10
|
|
#define RTP_PT_L16_C1 11
|
|
#define RTP_PT_QCELP 12
|
|
#define RTP_PT_CN 13
|
|
#define RTP_PT_MPA 14
|
|
#define RTP_PT_G728 15
|
|
#define RTP_PT_DVI4_R11025 16
|
|
#define RTP_PT_DVI4_R22050 17
|
|
#define RTP_PT_G719 18
|
|
#define RTP_PT_CELB 25
|
|
#define RTP_PT_JPEG 26
|
|
#define RTP_PT_NV 28
|
|
#define RTP_PT_H261 31
|
|
#define RTP_PT_MPV 32
|
|
#define RTP_PT_MP2T 33
|
|
#define RTP_PT_H263 34
|
|
#define RTP_PT_RTCP_BASE 72
|
|
#define RTP_PT_DYN_BASE 96
|
|
#define RTP_PT_UNKNOWN -1
|
|
|
|
#include "section_config.h"
|
|
SDRAM_DATA_SECTION
|
|
static const struct {
|
|
int pt; //payload type
|
|
const char enc_name[6];
|
|
int clock_rate;
|
|
int audio_channels;
|
|
} rtp_payload_types[] = {
|
|
//{0, "PCMU", 8000, 1},
|
|
//{3, "GSM", 8000, 1},
|
|
//{4, "G723", 8000, 1},
|
|
//{5, "DVI4", 8000, 1},
|
|
//{6, "DVI4", 16000, 1},
|
|
//{7, "LPC", 8000, 1},
|
|
//{8, "PCMA", 8000, 1},
|
|
//{9, "G722", 8000, 1},
|
|
//{10, "L16", 44100, 2},
|
|
//{11, "L16", 44100, 1},
|
|
//{12, "QCELP", 8000, 1},
|
|
//{13, "CN", 8000, 1},
|
|
//{14, "MPA", -1, -1},
|
|
//{15, "G728", 8000, 1},
|
|
//{16, "DVI4", 11025, 1},
|
|
//{17, "DVI4", 22050, 1},
|
|
//{18, "G729", 8000, 1},
|
|
//{25, "CelB", 90000, -1},
|
|
{26, "JPEG", 90000, -1},
|
|
//{28, "nv", 90000, -1},
|
|
//{31, "H261", 90000, -1},
|
|
//{32, "MPV", 90000, -1},
|
|
//{33, "MP2T", 90000, -1},
|
|
//{34, "H263", 90000, -1},
|
|
{-1, "", -1, -1}
|
|
};
|
|
|
|
#define RTP_STD_PT_SIZE /*25*/ 2 //length of rtp_payload_types
|
|
|
|
/************************************************************** end of rtp **************************************************************/
|
|
|
|
/************************************************************** start of rtcp *************************************************************/
|
|
#define RTP_SEQ_MOD (1<<16)
|
|
#define RTP_MAX_SDES 255 /* maximum text length for SDES */
|
|
|
|
typedef enum {
|
|
RTCP_SR = 200,
|
|
RTCP_RR = 201,
|
|
RTCP_SDES = 202,
|
|
RTCP_BYE = 203,
|
|
RTCP_APP = 204
|
|
} rtcp_type_t;
|
|
|
|
typedef enum {
|
|
RTCP_SDES_END = 0,
|
|
RTCP_SDES_CNAME = 1,
|
|
RTCP_SDES_NAME = 2,
|
|
RTCP_SDES_EMAIL = 3,
|
|
RTCP_SDES_PHONE = 4,
|
|
RTCP_SDES_LOC = 5,
|
|
RTCP_SDES_TOOL = 6,
|
|
RTCP_SDES_NOTE = 7,
|
|
RTCP_SDES_PRIV = 8
|
|
} rtcp_sdes_type_t;
|
|
|
|
/************************************************************** end of rtcp *************************************************************/
|
|
|
|
/************************************************************** start of rtsp *************************************************************/
|
|
|
|
typedef enum _rtsp_state rtsp_state;
|
|
enum _rtsp_state {
|
|
RTSP_INIT = 0,
|
|
RTSP_READY = 1,
|
|
RTSP_PLAYING = 2,
|
|
};
|
|
|
|
struct rtsp_session
|
|
{
|
|
int id;
|
|
int version;
|
|
int start_time;
|
|
int end_time;
|
|
unsigned char *user;
|
|
unsigned char *name;
|
|
};
|
|
|
|
struct rtsp_transport
|
|
{
|
|
int isRtp; //transport protocol
|
|
int isTcp; //lower transport protocol
|
|
int castMode; //unicast UDP(1) or unicast TCP(2) or multicast(3)
|
|
int port_min;
|
|
int port_max;
|
|
int clientport_min;
|
|
int clientport_max;
|
|
int serverport_min;
|
|
int serverport_max;
|
|
int ttl; //multicast time to live
|
|
//to be added if necessary
|
|
};
|
|
|
|
/*sturcture to hold connect info*/
|
|
struct connect_context
|
|
{
|
|
int socket_id;
|
|
u16 port;
|
|
unsigned char *server_ip;
|
|
unsigned char *remote_ip;
|
|
};
|
|
|
|
|
|
struct rtsp_context
|
|
{
|
|
rtsp_state state; //state for rtp streaming
|
|
int rtsp_cmd; //store request method type
|
|
int Cseq;
|
|
struct rtsp_transport transport;
|
|
struct rtsp_session session;
|
|
u8 *response; //enough to hold response
|
|
int content_len;
|
|
struct connect_context connect_ctx; //contain rtsp server info.
|
|
void *stream_ctx; //stream context it process
|
|
_Sema start_rtp_sema; //sema to start rtp processing
|
|
int is_rtp_start;
|
|
//to be added if necessary
|
|
};
|
|
|
|
/************************************************************** end of rtsp *************************************************************/
|
|
|
|
/************************************************************** start of rtp **************************************************************/
|
|
|
|
|
|
/*
|
|
* RTP data header from RFC1889
|
|
*/
|
|
/*
|
|
*
|
|
*
|
|
* The RTP header has the following format:
|
|
*
|
|
* 0 1 2 3
|
|
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* |V=2|P|X| CC |M| PT | sequence number |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | timestamp |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
* | synchronization source (SSRC) identifier |
|
|
* +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
|
|
* | contributing source (CSRC) identifiers |
|
|
* | .... |
|
|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|
|
*
|
|
* RTP data header
|
|
*/
|
|
|
|
typedef struct {
|
|
#if RTP_BIG_ENDIAN
|
|
unsigned int version:2; /* protocol version */
|
|
unsigned int p:1; /* padding flag */
|
|
unsigned int x:1; /* header extension flag */
|
|
unsigned int cc:4; /* CSRC count */
|
|
unsigned int m:1; /* marker bit */
|
|
unsigned int pt:7; /* payload type */
|
|
#else /*RTP_LITTLE_ENDIAN*/
|
|
unsigned int cc:4; /* CSRC count */
|
|
unsigned int x:1; /* header extension flag */
|
|
unsigned int p:1; /* padding flag */
|
|
unsigned int version:2; /* protocol version */
|
|
unsigned int pt:7; /* payload type */
|
|
unsigned int m:1; /* marker bit */
|
|
#endif
|
|
u16 seq; /* sequence number */
|
|
u32 ts; /* timestamp */
|
|
u32 ssrc; /* synchronization source */
|
|
// u32 csrc[1]; /* optional CSRC list, skip because cc is set to 0 here*/
|
|
} rtp_hdr_t;
|
|
|
|
enum rtp_object_state
|
|
{
|
|
RTP_OBJECT_IDLE = 1,
|
|
RTP_OBJECT_READY,
|
|
RTP_OBJECT_INUSE,
|
|
RTP_OBJECT_USED,
|
|
};
|
|
|
|
struct rtp_object
|
|
{
|
|
struct list_head rtp_list;
|
|
_Mutex mutex;
|
|
rtp_hdr_t rtphdr;
|
|
u32 *extra; //pointer to type specific structure
|
|
int index;
|
|
unsigned char *data;
|
|
int len;
|
|
enum rtp_object_state state; //reserved for future use
|
|
struct connect_context connect_ctx;
|
|
};
|
|
|
|
/************************************************************** end of rtp **************************************************************/
|
|
|
|
/***************************************************************general******************************************************************/
|
|
void stream_context_init(struct stream_context *stream_ctx);
|
|
void stream_context_free(struct stream_context *stream_ctx);
|
|
|
|
/************************************************************** start of rtsp *************************************************************/
|
|
|
|
int rtsp_atoi(char * s);
|
|
int rtsp_context_init(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_readheader(u8 *request_header);
|
|
u8 * rtsp_parsefield(u8 *buffer, char *field); //parse specific field line and return field data
|
|
u8 * rtsp_readline(struct rtsp_context *rtsp_ctx, u8 *ptr); //read line starting from ptr and store corresponding parameter in rtsp_ctx
|
|
void rtsp_getparam(struct rtsp_context *rtsp_ctx, u8 *rtsp_header);
|
|
void parse_rtsp_type(struct rtsp_context *rtsp_ctx, u8 *rtsp_header);
|
|
int rtp_tick_inc_to_fps(int tick_inc, int clock_rate);
|
|
int rtp_fps_to_tick_inc(int framerate, int clock_rate);
|
|
void gen_session_id(int *session_id);
|
|
void rtsp_formSdp(struct rtsp_context *rtsp_ctx, u8 *sdp_buffer, int size);
|
|
void rtsp_cmd_options(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_describe(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_setup(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_play(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_pause(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_teardown(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_cmd_error(struct rtsp_context *rtsp_ctx);
|
|
void rtsp_init(void *param);
|
|
|
|
/************************************************************** end of rtsp *************************************************************/
|
|
|
|
/************************************************************** start of rtp **************************************************************/
|
|
|
|
void fillRtpHeader(rtp_hdr_t *rtphdr, int version, int padding, int extension, int cc, int marker, int pt, u16 seq, u32 ts, u32 ssrc);
|
|
|
|
/************************************************************** end of rtp **************************************************************/
|
|
|
|
#endif |