avprofile.c

mediastreamer2是开源的网络传输媒体流的库

/*
  The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
  Copyright (C) 2001  Simon MORLAT [e-mail]

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


#include <ortp/payloadtype.h>

char offset127=127; 
char offset0xD5=(char)0xD5; 
char offset0[4] = {0x00, 0x00, 0x00, 0x00};

/* 
 * IMPORTANT : some compiler don't support the tagged-field syntax. Those
 * macros are there to trap the problem This means that if you want to keep
 * portability, payload types must be defined with their fields in the right
 * order.
 */
#if defined(_ISOC99_SOURCE)
// ISO C99's tagged syntax
#define TYPE(val)		.type=(val)
#define CLOCK_RATE(val)		.clock_rate=(val)
#define BITS_PER_SAMPLE(val)	.bits_per_sample=(val)
#define ZERO_PATTERN(val)	.zero_pattern=(val)
#define PATTERN_LENGTH(val)	.pattern_length=(val)
#define NORMAL_BITRATE(val)	.normal_bitrate=(val)
#define MIME_TYPE(val)		.mime_type=(val)
#define CHANNELS(val)		.channels=(val)
#define FMTP(val)		.FMTP=(val)
#elif defined(__GNUC__)
// GCC's legacy tagged syntax (even old versions have it)
#define TYPE(val)		type: (val)
#define CLOCK_RATE(val)		clock_rate: (val)
#define BITS_PER_SAMPLE(val)	bits_per_sample: (val)
#define ZERO_PATTERN(val)	zero_pattern: (val)
#define PATTERN_LENGTH(val)	pattern_length: (val)
#define NORMAL_BITRATE(val)	normal_bitrate: (val)
#define MIME_TYPE(val)		mime_type: (val)
#define CHANNELS(val)		channels: (val)
#define FMTP(val)		FMTP: (val)
#else
// No tagged syntax supported
#define TYPE(val)		(val)
#define CLOCK_RATE(val)		(val)
#define BITS_PER_SAMPLE(val)	(val)
#define ZERO_PATTERN(val)	(val)
#define PATTERN_LENGTH(val)	(val)
#define NORMAL_BITRATE(val)	(val)
#define MIME_TYPE(val)		(val)
#define CHANNELS(val)		(val)
#define FMTP(val)		(val)

#endif

PayloadType payload_type_pcmu8000={
	TYPE( PAYLOAD_AUDIO_CONTINUOUS),
	CLOCK_RATE( 8000),
	BITS_PER_SAMPLE(8),
	ZERO_PATTERN( &offset127),
	PATTERN_LENGTH( 1),
	NORMAL_BITRATE( 64000),
	MIME_TYPE ("PCMU"),
	CHANNELS(1)
};

PayloadType payload_type_pcma8000={
	TYPE( PAYLOAD_AUDIO_CONTINUOUS),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(8),
	ZERO_PATTERN( &offset0xD5),
	PATTERN_LENGTH( 1),
	NORMAL_BITRATE( 64000),
	MIME_TYPE ("PCMA"),
	CHANNELS(1)
};

PayloadType payload_type_pcm8000={
	TYPE( PAYLOAD_AUDIO_CONTINUOUS),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(16),
	ZERO_PATTERN( offset0),
	PATTERN_LENGTH(1),
	NORMAL_BITRATE( 128000),
	MIME_TYPE ("PCM"),
	CHANNELS(1)
};

PayloadType payload_type_l16_mono={
	TYPE( PAYLOAD_AUDIO_CONTINUOUS),
	CLOCK_RATE(44100),
	BITS_PER_SAMPLE(16),
	ZERO_PATTERN( offset0 ),
	PATTERN_LENGTH(2),
	NORMAL_BITRATE(705600),				/* (44100 x 16bits per frame x 1 channel) */
	MIME_TYPE ("L16"),
	CHANNELS(1)
};

PayloadType payload_type_l16_stereo={
	TYPE( PAYLOAD_AUDIO_CONTINUOUS),
	CLOCK_RATE(44100),
	BITS_PER_SAMPLE(32),				/* 16bits x 2 channels */
	ZERO_PATTERN( offset0 ),
	PATTERN_LENGTH(4),
	NORMAL_BITRATE(1411200),			/* (44100 x 16bits per frame x 2 channels) */
	MIME_TYPE ("L16"),
	CHANNELS(2)
};

PayloadType payload_type_lpc1016={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN( NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 2400),
	MIME_TYPE ("1016"),
	CHANNELS(1)
};


PayloadType payload_type_gsm=
{
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 13500),
	MIME_TYPE ("GSM"),
	CHANNELS(1)
};

PayloadType payload_type_lpc=
{
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 5600),		/* 20ms / 14 octets per frame */
	MIME_TYPE ("LPC"),
	CHANNELS(1)
};

PayloadType payload_type_g7231=
{
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 6300),
	MIME_TYPE ("G723"),
	CHANNELS(1)
};

PayloadType payload_type_g729={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 8000),
	MIME_TYPE ("G729"),
	CHANNELS(1)
};

PayloadType payload_type_g7221={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(16000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 24000),
	MIME_TYPE ("G7221"),
	CHANNELS(1)
};

PayloadType payload_type_g726_40={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 8000),
	MIME_TYPE ("G726-40"),
	CHANNELS(1)
};

PayloadType payload_type_g726_32={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 8000),
	MIME_TYPE ("G726-32"),
	CHANNELS(1)
};

PayloadType payload_type_g726_24={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 8000),
	MIME_TYPE ("G726-24"),
	CHANNELS(1)
};

PayloadType payload_type_g726_16={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE( 8000),
	MIME_TYPE ("G726-16"),
	CHANNELS(1)
};

PayloadType payload_type_mpv=
{
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE( 256000),
	MIME_TYPE ("MPV"),
	CHANNELS(0)
};


PayloadType payload_type_h261={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("H261"),
	CHANNELS(0)
};

PayloadType payload_type_h263={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(256000),
	MIME_TYPE ("H263"),
	CHANNELS(0)
};

PayloadType payload_type_truespeech=
{
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE( 0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH( 0),
	NORMAL_BITRATE(8536),
	MIME_TYPE ("TSP0"),
	CHANNELS(0)
};


#ifdef __cplusplus
extern "C"
{
#endif
RtpProfile av_profile;
#ifdef __cplusplus
}
#endif


void av_profile_init(RtpProfile *profile)
{
	rtp_profile_clear_all(profile);
	profile->name="AV profile";
	rtp_profile_set_payload(profile,0,&payload_type_pcmu8000);
	rtp_profile_set_payload(profile,1,&payload_type_lpc1016);
	rtp_profile_set_payload(profile,3,&payload_type_gsm);
	rtp_profile_set_payload(profile,7,&payload_type_lpc);
	rtp_profile_set_payload(profile,4,&payload_type_g7231);
	rtp_profile_set_payload(profile,8,&payload_type_pcma8000);
	rtp_profile_set_payload(profile,10,&payload_type_l16_stereo);
	rtp_profile_set_payload(profile,11,&payload_type_l16_mono);
	rtp_profile_set_payload(profile,18,&payload_type_g729);
	rtp_profile_set_payload(profile,31,&payload_type_h261);
	rtp_profile_set_payload(profile,32,&payload_type_mpv);
	rtp_profile_set_payload(profile,34,&payload_type_h263);
}
	
/* these are extra payload types that can be used dynamically */
PayloadType payload_type_lpc1015={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(2400),
	MIME_TYPE ("1015"),
	CHANNELS(1)
};

PayloadType payload_type_speex_nb={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(8000),   /*not true: 8000 is the minimum*/
	MIME_TYPE ("speex"),
	CHANNELS(1)
};

PayloadType payload_type_speex_wb={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(16000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(28000),
	MIME_TYPE ("speex"),
	CHANNELS(1)
};

PayloadType payload_type_speex_uwb={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(32000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(28000),
	MIME_TYPE ("speex"),
	CHANNELS(1)
};

PayloadType payload_type_ilbc={
	TYPE( PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(13300), /* the minimum, with 30ms frames */ 
	MIME_TYPE ("iLBC"),
	CHANNELS(1),
};

PayloadType payload_type_amr={
	TYPE(PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("AMR"),
	CHANNELS(1)
};

PayloadType payload_type_amrwb={
	TYPE(PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(16000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("AMR-WB"),
	CHANNELS(1)
};

PayloadType payload_type_mp4v={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("MP4V-ES"),
	CHANNELS(0)
};


PayloadType payload_type_evrc0={
	TYPE(PAYLOAD_AUDIO_PACKETIZED),
	CLOCK_RATE(8000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("EVRC0"),
	CHANNELS(1)
};

 
PayloadType payload_type_h263_1998={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(256000),
	MIME_TYPE ("H263-1998"),
	CHANNELS(0)
};

PayloadType payload_type_h263_2000={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(0),
	MIME_TYPE ("H263-2000"),
	CHANNELS(0)
};

PayloadType payload_type_theora={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(256000),
	MIME_TYPE ("theora"),
	CHANNELS(0)
};

PayloadType payload_type_h264={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(256000),
	MIME_TYPE ("H264"),
	CHANNELS(0)
};

PayloadType payload_type_x_snow={
	TYPE( PAYLOAD_VIDEO),
	CLOCK_RATE(90000),
	BITS_PER_SAMPLE(0),
	ZERO_PATTERN(NULL),
	PATTERN_LENGTH(0),
	NORMAL_BITRATE(256000),
	MIME_TYPE ("x-snow"),
	CHANNELS(0)
};

PayloadType	payload_type_t140={
	PAYLOAD_AUDIO_PACKETIZED, /*type */
	1000,
	0,
	NULL,
	0,
	0,
	"t140",
	0,
	0
};

PayloadType	payload_type_x_udpftp={
	PAYLOAD_AUDIO_PACKETIZED, /*type */
	1000,
	0,
	NULL,
	0,
	0,
	"x-udpftp",
	0,
	0
};