/*****************************************************************************
- * rtp.c
+ * rtp.c: rtp stream output module
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: rtp.c,v 1.1 2003/10/31 16:57:12 fenrir Exp $
+ * Copyright (C) 2003-2004 VideoLAN
+ * $Id: rtp.c,v 1.13 2004/03/03 13:27:25 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
#include <vlc/input.h>
#include <vlc/sout.h>
+#include "vlc_httpd.h"
+#include "network.h"
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static void Close( vlc_object_t * );
vlc_module_begin();
- set_description( _("RTP stream") );
+ set_description( _("RTP stream output") );
set_capability( "sout stream", 0 );
add_shortcut( "rtp" );
set_callbacks( Open, Close );
/*****************************************************************************
* Exported prototypes
*****************************************************************************/
-static sout_stream_id_t *Add ( sout_stream_t *, sout_format_t * );
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
static int Del ( sout_stream_t *, sout_stream_id_t * );
-static int Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
-
+static int Send( sout_stream_t *, sout_stream_id_t *,
+ sout_buffer_t* );
struct sout_stream_sys_t
{
+ /* sdp */
+ int64_t i_sdp_id;
+ int i_sdp_version;
+ char *psz_sdp;
+
+ vlc_mutex_t lock_sdp;
+
+ httpd_host_t *p_httpd_host;
+ httpd_file_t *p_httpd_file;
+
+ httpd_host_t *p_rtsp_host;
+ httpd_url_t *p_rtsp_url;
+ char *psz_rtsp_control;
+ char *psz_rtsp_path;
+
/* */
char *psz_destination;
int i_port;
int i_ttl;
- /* when need to use a private one */
+ /* when need to use a private one or when using muxer */
int i_payload_type;
/* in case we do TS/PS over rtp */
- sout_mux_t *p_mux;
+ sout_mux_t *p_mux;
+ sout_access_out_t *p_access;
+ int i_mtu;
+ sout_access_out_t *p_grab;
+ uint16_t i_sequence;
+ uint32_t i_timestamp_start;
+ uint8_t ssrc[4];
+ sout_buffer_t *packet;
/* */
+ int i_es;
+ sout_stream_id_t **es;
};
+typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
+ sout_buffer_t * );
+
+struct sout_stream_id_t
+{
+ /* rtp field */
+ uint8_t i_payload_type;
+ uint16_t i_sequence;
+ uint32_t i_timestamp_start;
+ uint8_t ssrc[4];
+
+ /* for sdp */
+ int i_clock_rate;
+ char *psz_rtpmap;
+ char *psz_fmtp;
+ char *psz_destination;
+ int i_port;
+ int i_cat;
+
+ /* Packetizer specific fields */
+ pf_rtp_packetizer_t pf_packetize;
+ int i_mtu;
+
+ /* for sending the packets */
+ sout_access_out_t *p_access;
+ sout_input_t *p_input;
+
+ /* RTSP url control */
+ httpd_url_t *p_rtsp_url;
+};
+
+static int AccessOutGrabberWrite( sout_access_out_t *, sout_buffer_t * );
+
+static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
+static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
+
+typedef struct
+{
+ char *psz_session;
+ int64_t i_last;
+
+ int i_access;
+ sout_access_out_t **p_access;
+} rtsp_session_t;
+
+#if 0
+static rtsp_session_t *RtspSessionNew ( sout_stream_t *p_stream );
+static rtsp_session_t *RtspSessionFind ( sout_stream_t *p_stream, char *psz_session );
+static void RtspSessionDelete( sout_stream_t *p_stream, rtsp_session_t *sess );
+#endif
+
+static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
+ httpd_message_t *, httpd_message_t * );
+
+
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_instance_t *p_sout = p_stream->p_sout;
sout_stream_sys_t *p_sys;
char *val;
-
p_sys = malloc( sizeof( sout_stream_sys_t ) );
p_sys->psz_destination = sout_cfg_find_value( p_stream->p_cfg, "dst" );
if( ( val = sout_cfg_find_value( p_stream->p_cfg, "port" ) ) )
{
p_sys->i_port = atoi( val );
}
- if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' || p_sys->i_port <= 0 )
+ if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' ||
+ p_sys->i_port <= 0 )
{
msg_Err( p_stream, "invalid/missing dst or port" );
free( p_sys );
}
else
{
- p_sys->i_ttl = 0;
- }
- if( ( val = sout_cfg_find_value( p_stream->p_cfg, "mux" ) ) )
- {
- /* p_sout->i_preheader = __MAX( p_sout->i_preheader, p_mux->i_preheader ); */
- msg_Err( p_stream, "muxer not yet supported" );
- free( p_sys );
- return VLC_EGENERIC;
+ p_sys->i_ttl = config_GetInt( p_stream, "ttl" );
}
- p_sys->p_mux = NULL;
p_sys->i_payload_type = 96;
+ p_sys->i_es = 0;
+ p_sys->es = NULL;
+ p_sys->psz_sdp = NULL;
+
+ p_sys->i_sdp_id = mdate();
+ p_sys->i_sdp_version = 1;
+ p_sys->psz_sdp = NULL;
+ p_sys->p_httpd_host = NULL;
+ p_sys->p_httpd_file = NULL;
+ p_sys->p_rtsp_host = NULL;
+ p_sys->p_rtsp_url = NULL;
+ p_sys->psz_rtsp_control = NULL;
+ p_sys->psz_rtsp_path = NULL;
+ vlc_mutex_init( p_stream, &p_sys->lock_sdp );
p_stream->pf_add = Add;
p_stream->pf_del = Del;
p_stream->p_sys = p_sys;
+ if( ( val = sout_cfg_find_value( p_stream->p_cfg, "mux" ) ) )
+ {
+ sout_access_out_t *p_grab;
+
+ char *psz_rtpmap;
+ char access[100];
+ char url[strlen( p_sys->psz_destination ) + 1 + 12 + 1];
+
+ /* Check muxer type */
+ if( !strncasecmp( val, "ps", 2 ) || !strncasecmp( val, "mpeg1", 5 ) )
+ {
+ psz_rtpmap = "MP2P/90000";
+ }
+ else if( !strncasecmp( val, "ts", 2 ) )
+ {
+ psz_rtpmap = "MP2T/90000";
+ p_sys->i_payload_type = 33;
+ }
+ else
+ {
+ msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
+ return VLC_EGENERIC;
+ }
+
+ /* create the access out */
+ if( p_sys->i_ttl > 0 )
+ {
+ sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
+ }
+ else
+ {
+ sprintf( access, "udp{raw}" );
+ }
+ sprintf( url, "%s:%d", p_sys->psz_destination, p_sys->i_port );
+ if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
+ {
+ msg_Err( p_stream, "cannot create the access out for %s://%s",
+ access, url );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
+ if( p_sys->i_mtu <= 16 )
+ {
+ /* better than nothing */
+ p_sys->i_mtu = 1500;
+ }
+
+ /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
+ p_grab = p_sys->p_grab =
+ vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
+ p_grab->p_module = NULL;
+ p_grab->p_sout = p_sout;
+ p_grab->psz_access = strdup( "grab" );
+ p_grab->p_cfg = NULL;
+ p_grab->psz_name = strdup( "" );
+ p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
+ p_grab->pf_seek = NULL;
+ p_grab->pf_write = AccessOutGrabberWrite;
+
+ /* the muxer */
+ if( !( p_sys->p_mux = sout_MuxNew( p_sout, val, p_sys->p_grab ) ) )
+ {
+ msg_Err( p_stream, "cannot create the muxer (%s)", val );
+ sout_AccessOutDelete( p_sys->p_grab );
+ sout_AccessOutDelete( p_sys->p_access );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ p_sout->i_preheader = __MAX( p_sout->i_preheader,
+ p_sys->p_mux->i_preheader );
+
+ /* create the SDP only once */
+ p_sys->psz_sdp =
+ malloc( 200 + 20 + 10 + strlen( p_sys->psz_destination ) +
+ 10 + 10 + 10 + 10 + strlen( psz_rtpmap ) );
+ sprintf( p_sys->psz_sdp,
+ "v=0\n"
+ "o=- "I64Fd" %d IN IP4 127.0.0.1\n"
+ "s=NONE\n"
+ "c=IN IP4 %s/%d\n"
+ "m=video %d RTP/AVP %d\n"
+ "a=rtpmap:%d %s\n",
+ p_sys->i_sdp_id, p_sys->i_sdp_version,
+ p_sys->psz_destination, p_sys->i_ttl,
+ p_sys->i_port, p_sys->i_payload_type,
+ p_sys->i_payload_type, psz_rtpmap );
+
+ fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
+
+ /* create the rtp context */
+ p_sys->ssrc[0] = rand()&0xff;
+ p_sys->ssrc[1] = rand()&0xff;
+ p_sys->ssrc[2] = rand()&0xff;
+ p_sys->ssrc[3] = rand()&0xff;
+ p_sys->i_sequence = rand()&0xffff;
+ p_sys->i_timestamp_start = rand()&0xffffffff;
+ p_sys->packet = NULL;
+ }
+ else
+ {
+ p_sys->p_mux = NULL;
+ p_sys->p_access = NULL;
+ p_sys->p_grab = NULL;
+ }
+
+ if( ( val = sout_cfg_find_value( p_stream->p_cfg, "sdp" ) ) )
+ {
+ vlc_url_t url;
+
+ vlc_UrlParse( &url, val, 0 );
+ if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
+ {
+ if( HttpSetup( p_stream, &url ) )
+ {
+ msg_Err( p_stream, "cannot export sdp as http" );
+ }
+ }
+ if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
+ {
+ if( RtspSetup( p_stream, &url ) )
+ {
+ msg_Err( p_stream, "cannot export sdp as rtsp" );
+ }
+ }
+ else
+ {
+ msg_Warn( p_stream, "unknow protocol for SDP (%s)",
+ url.psz_protocol );
+ }
+ vlc_UrlClean( &url );
+ }
+
return VLC_SUCCESS;
}
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
+ if( p_sys->p_mux )
+ {
+ sout_MuxDelete( p_sys->p_mux );
+ sout_AccessOutDelete( p_sys->p_access );
+ sout_AccessOutDelete( p_sys->p_grab );
+ if( p_sys->packet )
+ {
+ sout_BufferDelete( p_stream->p_sout, p_sys->packet );
+ }
+ }
+
+ vlc_mutex_destroy( &p_sys->lock_sdp );
+
+ if( p_sys->p_httpd_file )
+ {
+ httpd_FileDelete( p_sys->p_httpd_file );
+ }
+ if( p_sys->p_httpd_host )
+ {
+ httpd_HostDelete( p_sys->p_httpd_host );
+ }
+ if( p_sys->p_rtsp_url )
+ {
+ httpd_UrlDelete( p_sys->p_rtsp_url );
+ }
+ if( p_sys->p_rtsp_host )
+ {
+ httpd_HostDelete( p_sys->p_rtsp_host );
+ }
+
+ if( p_sys->psz_sdp )
+ {
+ free( p_sys->psz_sdp );
+ }
free( p_sys );
}
/*****************************************************************************
- *
+ * SDPGenerate
*****************************************************************************/
-
-typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
-struct sout_stream_id_t
+static char *SDPGenerate( sout_stream_t *p_stream, char *psz_destination, vlc_bool_t b_rtsp )
{
- /* rtp field */
- uint8_t i_payload_type;
- uint16_t i_sequence;
- uint32_t i_timestamp_start;
- uint8_t ssrc[4];
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ int i_size;
+ char *psz_sdp, *p;
+ int i;
- /* for sdp */
- int i_clock_rate;
- char *psz_rtpmap;
- char *psz_fmtp;
- char *psz_destination;
- int i_port;
+ i_size = strlen( "v=0\n" ) +
+ strlen( "o=- * * IN IP4 127.0.0.1\n" ) +
+ strlen( "s=NONE\n" ) +
+ strlen( "c=IN IP4 */*\n" ) +
+ strlen( psz_destination ) +
+ 20 + 10 + 10 + 1;
+ for( i = 0; i < p_sys->i_es; i++ )
+ {
+ sout_stream_id_t *id = p_sys->es[i];
- /* Packetizer specific fields */
- pf_rtp_packetizer_t pf_packetize;
- int i_mtu;
- sout_buffer_t *packet;
+ i_size += strlen( "m=**d*o * RTP/AVP *\n" ) + 10 + 10;
+ if( id->psz_rtpmap )
+ {
+ i_size += strlen( "a=rtpmap:* *\n" ) + strlen( id->psz_rtpmap )+10;
+ }
+ if( id->psz_fmtp )
+ {
+ i_size += strlen( "a=fmtp:* *\n" ) + strlen( id->psz_fmtp ) + 10;
+ }
+ if( b_rtsp )
+ {
+ i_size += strlen( "a=control:*/trackid=*\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
+ }
+ }
- /* for sending the packets */
- sout_access_out_t *p_access;
-};
+ p = psz_sdp = malloc( i_size );
+ p += sprintf( p, "v=0\n" );
+ p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\n",
+ p_sys->i_sdp_id, p_sys->i_sdp_version );
+ p += sprintf( p, "s=NONE\n" );
+ p += sprintf( p, "c=IN IP4 %s/%d\n", psz_destination,
+ p_sys->i_ttl );
-static int rtp_packetize_mpa( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
-static int rtp_packetize_ac3( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+ for( i = 0; i < p_sys->i_es; i++ )
+ {
+ sout_stream_id_t *id = p_sys->es[i];
-static sout_stream_id_t * Add ( sout_stream_t *p_stream, sout_format_t *p_fmt )
+ if( id->i_cat == AUDIO_ES )
+ {
+ p += sprintf( p, "m=audio %d RTP/AVP %d\n",
+ id->i_port, id->i_payload_type );
+ }
+ else if( id->i_cat == VIDEO_ES )
+ {
+ p += sprintf( p, "m=video %d RTP/AVP %d\n",
+ id->i_port, id->i_payload_type );
+ }
+ else
+ {
+ continue;
+ }
+ if( id->psz_rtpmap )
+ {
+ p += sprintf( p, "a=rtpmap:%d %s\n", id->i_payload_type,
+ id->psz_rtpmap );
+ }
+ if( id->psz_fmtp )
+ {
+ p += sprintf( p, "a=fmtp:%d %s\n", id->i_payload_type,
+ id->psz_fmtp );
+ }
+ if( b_rtsp )
+ {
+ p += sprintf( p, "a=control:%s/trackid=%d\n", p_sys->psz_rtsp_control, i );
+ }
+ }
+
+ return psz_sdp;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, sout_buffer_t * );
+
+static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
+{
+ static const char hex[16] = "0123456789abcdef";
+ int i;
+
+ for( i = 0; i < i_data; i++ )
+ {
+ s[2*i+0] = hex[(p_data[i]>>4)&0xf];
+ s[2*i+1] = hex[(p_data[i] )&0xf];
+ }
+ s[2*i_data] = '\0';
+}
+
+static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
sout_instance_t *p_sout = p_stream->p_sout;
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
+ sout_access_out_t *p_access = NULL;
- sout_access_out_t *p_access;
char access[100];
char url[strlen( p_sys->psz_destination ) + 1 + 12 + 1];
+ if( p_sys->p_mux != NULL )
+ {
+ sout_input_t *p_input = NULL;
+ if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
+ {
+ msg_Err( p_stream, "cannot add this stream to the muxer" );
+ return NULL;
+ }
+
+ id = malloc( sizeof( sout_stream_id_t ) );
+ id->p_access = NULL;
+ id->p_input = p_input;
+ id->pf_packetize= NULL;
+
+ return id;
+ }
+
/* first try to create the access out */
if( p_sys->i_ttl > 0 )
{
- sprintf( access, "udp{ttl=%d}", p_sys->i_ttl );
+ sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
}
else
{
- sprintf( access, "udp" );
+ sprintf( access, "udp{raw}" );
}
sprintf( url, "%s:%d", p_sys->psz_destination, p_sys->i_port );
if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
{
- msg_Err( p_stream, "cannot create the access out for %s:%s",
+ msg_Err( p_stream, "cannot create the access out for %s://%s",
access, url );
return NULL;
}
/* not create the rtp specific stuff */
id = malloc( sizeof( sout_stream_id_t ) );
id->p_access = p_access;
+ id->p_input = NULL;
id->psz_rtpmap = NULL;
id->psz_fmtp = NULL;
id->psz_destination = strdup( p_sys->psz_destination );
id->i_port = p_sys->i_port;
+ id->p_rtsp_url = NULL;
- switch( p_fmt->i_fourcc )
+ switch( p_fmt->i_codec )
{
+ case VLC_FOURCC( 's', '1', '6', 'b' ):
+ if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
+ {
+ id->i_payload_type = 11;
+ }
+ else if( p_fmt->audio.i_channels == 2 &&
+ p_fmt->audio.i_rate == 44100 )
+ {
+ id->i_payload_type = 10;
+ }
+ else
+ {
+ id->i_payload_type = p_sys->i_payload_type++;
+ }
+ id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
+ sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels );
+ id->i_clock_rate = p_fmt->audio.i_rate;
+ id->pf_packetize = rtp_packetize_l16;
+ break;
+ case VLC_FOURCC( 'u', '8', ' ', ' ' ):
+ id->i_payload_type = p_sys->i_payload_type++;
+ id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
+ sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels );
+ id->i_clock_rate = p_fmt->audio.i_rate;
+ id->pf_packetize = rtp_packetize_l8;
+ break;
case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
id->i_payload_type = 14;
id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "MPA/90000" );
id->pf_packetize = rtp_packetize_mpa;
break;
+ case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
+ id->i_payload_type = 32;
+ id->i_clock_rate = 90000;
+ id->psz_rtpmap = strdup( "MPV/90000" );
+ id->pf_packetize = rtp_packetize_mpv;
+ break;
case VLC_FOURCC( 'a', '5', '2', ' ' ):
id->i_payload_type = p_sys->i_payload_type++;
id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "ac3/90000" );
id->pf_packetize = rtp_packetize_ac3;
break;
+ case VLC_FOURCC( 'm', 'p', '4', 'v' ):
+ {
+ char hexa[2*p_fmt->i_extra +1];
+
+ id->i_payload_type = p_sys->i_payload_type++;
+ id->i_clock_rate = 90000;
+ id->psz_rtpmap = strdup( "MP4V-ES/90000" );
+ id->pf_packetize = rtp_packetize_split;
+ if( p_fmt->i_extra > 0 )
+ {
+ id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
+ sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
+ sprintf( id->psz_fmtp,
+ "profile-level-id=3; config=%s;", hexa );
+ }
+ break;
+ }
+ case VLC_FOURCC( 'm', 'p', '4', 'a' ):
+ {
+ char hexa[2*p_fmt->i_extra +1];
+
+ id->i_payload_type = p_sys->i_payload_type++;
+ id->i_clock_rate = p_fmt->audio.i_rate;
+ id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
+ sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
+ id->pf_packetize = rtp_packetize_mp4a;
+ id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
+ sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
+ sprintf( id->psz_fmtp,
+ "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
+ "config=%s; SizeLength=13;IndexLength=3; "
+ "IndexDeltaLength=3; Profile=1;", hexa );
+ break;
+ }
+
default:
- msg_Err( p_stream, "cannot add this stream (unsupported codec:%4.4s)", (char*)&p_fmt->i_fourcc );
+ msg_Err( p_stream, "cannot add this stream (unsupported "
+ "codec:%4.4s)", (char*)&p_fmt->i_codec );
free( id );
return NULL;
}
+ id->i_cat = p_fmt->i_cat;
id->ssrc[0] = rand()&0xff;
id->ssrc[1] = rand()&0xff;
/* better than nothing */
id->i_mtu = 1500;
}
- id->packet = NULL;
-
msg_Dbg( p_stream, "access out %s:%s mtu=%d", access, url, id->i_mtu );
+ if( p_sys->p_rtsp_url )
+ {
+ char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
+
+ sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
+ fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
+ id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL );
+
+ if( id->p_rtsp_url )
+ {
+ httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallback, (void*)p_stream );
+ httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
+ httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
+ httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
+ }
+ }
+
+
+ /* Update p_sys context */
/* update port used (2 -> 1 rtp, 1 rtcp )*/
- p_sys->i_port += 2;
+ TAB_APPEND( p_sys->i_es, p_sys->es, id );
+ if( p_sys->p_mux == NULL )
+ {
+ char *psz_sdp;
+ p_sys->i_port += 2;
+ psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
+
+ vlc_mutex_lock( &p_sys->lock_sdp );
+ free( p_sys->psz_sdp );
+ p_sys->psz_sdp = psz_sdp;
+ vlc_mutex_unlock( &p_sys->lock_sdp );
+
+ p_sys->i_sdp_version++;
+
+ fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
+ }
return id;
}
-static int Del ( sout_stream_t *p_stream, sout_stream_id_t *id )
+static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
{
- if( id->packet )
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ TAB_REMOVE( p_sys->i_es, p_sys->es, id );
+
+ if( id->p_access )
{
- sout_BufferDelete( p_stream->p_sout, id->packet );
+ if( id->psz_rtpmap )
+ {
+ free( id->psz_rtpmap );
+ }
+ if( id->psz_fmtp )
+ {
+ free( id->psz_fmtp );
+ }
+ free( id->psz_destination );
+ sout_AccessOutDelete( id->p_access );
}
- if( id->psz_rtpmap )
+ else if( id->p_input )
{
- free( id->psz_rtpmap );
+ sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
}
- if( id->psz_fmtp )
+ if( id->p_rtsp_url )
{
- free( id->psz_fmtp );
+ httpd_UrlDelete( id->p_rtsp_url );
}
- sout_AccessOutDelete( id->p_access );
free( id );
return VLC_SUCCESS;
}
-static int Send ( sout_stream_t *p_stream, sout_stream_id_t *id, sout_buffer_t *p_buffer )
+static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *p_buffer )
{
sout_buffer_t *p_next;
+ if( p_stream->p_sys->p_mux )
+ {
+ sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
+ }
+ else
+ {
+ while( p_buffer )
+ {
+ p_next = p_buffer->p_next;
+ if( id->pf_packetize( p_stream, id, p_buffer ) )
+ {
+ break;
+ }
+ sout_BufferDelete( p_stream->p_sout, p_buffer );
+ p_buffer = p_next;
+ }
+ }
+ return VLC_SUCCESS;
+}
+
+
+static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
+ sout_buffer_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ int64_t i_dts = p_buffer->i_dts;
+ uint32_t i_timestamp = i_dts * 9 / 100;
+
+ uint8_t *p_data = p_buffer->p_buffer;
+ unsigned int i_data = p_buffer->i_size;
+ unsigned int i_max = p_sys->i_mtu - 12;
+
+ int i_packet = ( p_buffer->i_size + i_max - 1 ) / i_max;
+
+ while( i_data > 0 )
+ {
+ unsigned int i_size;
+
+ /* output complete packet */
+ if( p_sys->packet &&
+ p_sys->packet->i_size + i_data > i_max )
+ {
+ sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
+ p_sys->packet = NULL;
+ }
+
+ if( p_sys->packet == NULL )
+ {
+ /* allocate a new packet */
+ p_sys->packet = sout_BufferNew( p_stream->p_sout, p_sys->i_mtu );
+ p_sys->packet->p_buffer[ 0] = 0x80;
+ p_sys->packet->p_buffer[ 1] = p_sys->i_payload_type;
+ p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
+ p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
+ p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
+ p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
+ p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
+ p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
+ p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
+ p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
+ p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
+ p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
+ p_sys->packet->i_size = 12;
+
+ p_sys->packet->i_dts = i_dts;
+ p_sys->packet->i_length = p_buffer->i_length / i_packet;
+ i_dts += p_sys->packet->i_length;
+
+ p_sys->i_sequence++;
+ }
+
+ i_size = __MIN( i_data, p_sys->i_mtu - p_sys->packet->i_size );
+
+ memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_size],
+ p_data,
+ i_size );
+
+ p_sys->packet->i_size += i_size;
+ p_data += i_size;
+ i_data -= i_size;
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int AccessOutGrabberWrite( sout_access_out_t *p_access,
+ sout_buffer_t *p_buffer )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
+
+ //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_size );
+ //
while( p_buffer )
{
+ sout_buffer_t *p_next;
+
+ AccessOutGrabberWriteBuffer( p_stream, p_buffer );
+
p_next = p_buffer->p_next;
- if( id->pf_packetize( p_stream, id, p_buffer ) )
+ sout_BufferDelete( p_access->p_sout, p_buffer );
+ p_buffer = p_next;
+ }
+
+ return VLC_SUCCESS;
+}
+
+/****************************************************************************
+ * HTTP:
+ ****************************************************************************/
+static int HttpCallback( httpd_file_sys_t *p_args,
+ httpd_file_t *, uint8_t *p_request,
+ uint8_t **pp_data, int *pi_data );
+
+static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port );
+ if( p_sys->p_httpd_host )
+ {
+ p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
+ url->psz_path ? url->psz_path : "/",
+ "application/sdp",
+ NULL, NULL,
+ HttpCallback, (void*)p_sys );
+ }
+ if( p_sys->p_httpd_file == NULL )
+ {
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
+}
+
+static int HttpCallback( httpd_file_sys_t *p_args,
+ httpd_file_t *f, uint8_t *p_request,
+ uint8_t **pp_data, int *pi_data )
+{
+ sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
+
+ vlc_mutex_lock( &p_sys->lock_sdp );
+ if( p_sys->psz_sdp && *p_sys->psz_sdp )
+ {
+ *pi_data = strlen( p_sys->psz_sdp );
+ *pp_data = malloc( *pi_data );
+ memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
+ }
+ else
+ {
+ *pp_data = NULL;
+ *pi_data = 0;
+ }
+ vlc_mutex_unlock( &p_sys->lock_sdp );
+
+ return VLC_SUCCESS;
+}
+
+/****************************************************************************
+ * RTSP:
+ ****************************************************************************/
+static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+
+ fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
+
+ p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
+ if( p_sys->p_rtsp_host == NULL )
+ {
+ return VLC_EGENERIC;
+ }
+
+ p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
+ p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
+ sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
+ url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
+
+ p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL );
+ if( p_sys->p_rtsp_url == 0 )
+ {
+ return VLC_EGENERIC;
+ }
+ httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
+ httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallback, (void*)p_stream );
+ httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
+ /* httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream ); */
+ httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
+
+ return VLC_SUCCESS;
+}
+
+static int RtspCallback( httpd_callback_sys_t *p_args,
+ httpd_client_t *cl,
+ httpd_message_t *answer, httpd_message_t *query )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_args;
+ char *psz_destination = p_stream->p_sys->psz_destination;
+ char *psz_session = NULL;
+
+ if( psz_destination && *psz_destination == 0 )
+ {
+ psz_destination = NULL;
+ }
+
+ if( answer == NULL || query == NULL )
+ {
+ return VLC_SUCCESS;
+ }
+ fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
+
+ answer->i_proto = HTTPD_PROTO_RTSP;
+ answer->i_version= query->i_version;
+ answer->i_type = HTTPD_MSG_ANSWER;
+
+ switch( query->i_type )
+ {
+ case HTTPD_MSG_DESCRIBE:
{
+ char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
+
+ answer->i_status = 200;
+ answer->psz_status = strdup( "OK" );
+ httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
+
+ answer->p_body = psz_sdp;
+ answer->i_body = strlen( psz_sdp );
break;
}
- sout_BufferDelete( p_stream->p_sout, p_buffer );
- p_buffer = p_next;
+
+ case HTTPD_MSG_SETUP:
+ {
+ char *psz_transport = httpd_MsgGet( query, "Transport" );
+
+ fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
+ if( strstr( psz_transport, "multicast" ) )
+ {
+ fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
+ answer->i_status = 200;
+ answer->psz_status = strdup( "OK" );
+ answer->i_body = 0;
+ answer->p_body = NULL;
+ psz_session = httpd_MsgGet( query, "Session" );
+ if( *psz_session == 0 )
+ {
+ psz_session = malloc( 100 );
+ sprintf( psz_session, "%d", rand() );
+ }
+ }
+ else /*if( strstr( psz_transport, "unicast" ) ||
+ strstr( psz_transport, "interleaved" ) ) */
+ {
+ answer->i_status = 400;
+ answer->psz_status = strdup( "Bad Request" );
+ answer->i_body = 0;
+ answer->p_body = NULL;
+ }
+ break;
+ }
+ case HTTPD_MSG_PLAY:
+ {
+ /* for now only multicast so easy */
+ answer->i_status = 200;
+ answer->psz_status = strdup( "OK" );
+ answer->i_body = 0;
+ answer->p_body = NULL;
+
+ psz_session = httpd_MsgGet( query, "Session" );
+ break;
+ }
+ case HTTPD_MSG_PAUSE:
+ /* FIXME */
+ return VLC_EGENERIC;
+ case HTTPD_MSG_TEARDOWN:
+ /* for now only multicast so easy again */
+ answer->i_status = 200;
+ answer->psz_status = strdup( "OK" );
+ answer->i_body = 0;
+ answer->p_body = NULL;
+
+ psz_session = httpd_MsgGet( query, "Session" );
+ break;
+
+ default:
+ return VLC_EGENERIC;
+ }
+ httpd_MsgAdd( answer, "Server", "VLC Server" );
+ httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
+ httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
+ httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
+
+ if( psz_session )
+ {
+ httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
}
return VLC_SUCCESS;
}
-static void rtp_packetize_common( sout_stream_id_t *id, sout_buffer_t *out, int b_marker, int64_t i_pts )
+/****************************************************************************
+ * rtp_packetize_*:
+ ****************************************************************************/
+static void rtp_packetize_common( sout_stream_id_t *id, sout_buffer_t *out,
+ int b_marker, int64_t i_pts )
{
- uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / (int64_t)1000000;
+ uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
out->p_buffer[0] = 0x80;
out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
id->i_sequence++;
}
-static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id, sout_buffer_t *in )
+static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
{
int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
int i_count = ( in->i_size + i_max - 1 ) / i_max;
return VLC_SUCCESS;
}
-static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id, sout_buffer_t *in )
+/* rfc2250 */
+static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
+{
+ int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
+ int i_count = ( in->i_size + i_max - 1 ) / i_max;
+
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_size;
+ int i;
+ int b_sequence_start = 0;
+ int i_temporal_ref = 0;
+ int i_picture_coding_type = 0;
+ int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
+ int b_start_slice = 0;
+
+ /* preparse this packet to get some info */
+ if( in->i_size > 4 )
+ {
+ uint8_t *p = p_data;
+ int i_rest = in->i_size;
+
+ for( ;; )
+ {
+ while( i_rest > 4 &&
+ ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
+ {
+ p++;
+ i_rest--;
+ }
+ if( i_rest <= 4 )
+ {
+ break;
+ }
+ p += 3;
+ i_rest -= 4;
+
+ if( *p == 0xb3 )
+ {
+ /* sequence start code */
+ b_sequence_start = 1;
+ }
+ else if( *p == 0x00 && i_rest >= 4 )
+ {
+ /* picture */
+ i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
+ i_picture_coding_type = (p[2] >> 3)&0x07;
+
+ if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
+ i_picture_coding_type == 3 ) )
+ {
+ i_ffv = (p[3] >> 2)&0x01;
+ i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
+ if( i_rest > 4 && i_picture_coding_type == 3 )
+ {
+ i_fbv = (p[4]>>6)&0x01;
+ i_bfc = (p[4]>>3)&0x07;
+ }
+ }
+ }
+ else if( *p <= 0xaf )
+ {
+ b_start_slice = 1;
+ }
+ }
+ }
+
+ for( i = 0; i < i_count; i++ )
+ {
+ int i_payload = __MIN( i_max, i_data );
+ sout_buffer_t *out = sout_BufferNew( p_stream->p_sout,
+ 16 + i_payload );
+ uint32_t h = ( i_temporal_ref << 16 )|
+ ( b_sequence_start << 13 )|
+ ( b_start_slice << 12 )|
+ ( i == i_count - 1 ? 1 << 11 : 0 )|
+ ( i_picture_coding_type << 8 )|
+ ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
+ in->i_pts > 0 ? in->i_pts : in->i_dts );
+
+ /* MBZ:5 T:1 TR:10 AN:1 N:1 S:1 B:1 E:1 P:3 FBV:1 BFC:3 FFV:1 FFC:3 */
+ out->p_buffer[12] = ( h >> 24 )&0xff;
+ out->p_buffer[13] = ( h >> 16 )&0xff;
+ out->p_buffer[14] = ( h >> 8 )&0xff;
+ out->p_buffer[15] = ( h )&0xff;
+
+ memcpy( &out->p_buffer[16], p_data, i_payload );
+
+ out->i_size = 16 + i_payload;
+ out->i_dts = in->i_dts + i * in->i_length / i_count;
+ out->i_length = in->i_length / i_count;
+
+ sout_AccessOutWrite( id->p_access, out );
+
+ p_data += i_payload;
+ i_data -= i_payload;
+ }
+
+ return VLC_SUCCESS;
+}
+static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
{
int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
int i_count = ( in->i_size + i_max - 1 ) / i_max;
return VLC_SUCCESS;
}
+static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
+{
+ int i_max = id->i_mtu - 12; /* payload max in one packet */
+ int i_count = ( in->i_size + i_max - 1 ) / i_max;
+
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_size;
+ int i;
+
+ for( i = 0; i < i_count; i++ )
+ {
+ int i_payload = __MIN( i_max, i_data );
+ sout_buffer_t *out = sout_BufferNew( p_stream->p_sout, 12 + i_payload );
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
+ (in->i_pts > 0 ? in->i_pts : in->i_dts) );
+ memcpy( &out->p_buffer[12], p_data, i_payload );
+
+ out->i_size = 12 + i_payload;
+ out->i_dts = in->i_dts + i * in->i_length / i_count;
+ out->i_length = in->i_length / i_count;
+
+ sout_AccessOutWrite( id->p_access, out );
+
+ p_data += i_payload;
+ i_data -= i_payload;
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
+{
+ int i_max = id->i_mtu - 12; /* payload max in one packet */
+ int i_count = ( in->i_size + i_max - 1 ) / i_max;
+
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_size;
+ int i_packet = 0;
+
+ while( i_data > 0 )
+ {
+ int i_payload = (__MIN( i_max, i_data )/4)*4;
+ sout_buffer_t *out = sout_BufferNew( p_stream->p_sout, 12 + i_payload );
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, 0,
+ (in->i_pts > 0 ? in->i_pts : in->i_dts) );
+ memcpy( &out->p_buffer[12], p_data, i_payload );
+
+ out->i_size = 12 + i_payload;
+ out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
+ out->i_length = in->i_length / i_count;
+
+ sout_AccessOutWrite( id->p_access, out );
+
+ p_data += i_payload;
+ i_data -= i_payload;
+ i_packet++;
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
+{
+ int i_max = id->i_mtu - 12; /* payload max in one packet */
+ int i_count = ( in->i_size + i_max - 1 ) / i_max;
+
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_size;
+ int i_packet = 0;
+
+ while( i_data > 0 )
+ {
+ int i_payload = (__MIN( i_max, i_data )/2)*2;
+ sout_buffer_t *out = sout_BufferNew( p_stream->p_sout, 12 + i_payload );
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, 0,
+ (in->i_pts > 0 ? in->i_pts : in->i_dts) );
+ memcpy( &out->p_buffer[12], p_data, i_payload );
+
+ out->i_size = 12 + i_payload;
+ out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
+ out->i_length = in->i_length / i_count;
+
+ sout_AccessOutWrite( id->p_access, out );
+
+ p_data += i_payload;
+ i_data -= i_payload;
+ i_packet++;
+ }
+
+ return VLC_SUCCESS;
+}
+static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
+ sout_buffer_t *in )
+{
+ int i_max = id->i_mtu - 16; /* payload max in one packet */
+ int i_count = ( in->i_size + i_max - 1 ) / i_max;
+
+ uint8_t *p_data = in->p_buffer;
+ int i_data = in->i_size;
+ int i;
+
+ for( i = 0; i < i_count; i++ )
+ {
+ int i_payload = __MIN( i_max, i_data );
+ sout_buffer_t *out = sout_BufferNew( p_stream->p_sout, 16 + i_payload );
+
+ /* rtp common header */
+ rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
+ (in->i_pts > 0 ? in->i_pts : in->i_dts) );
+ /* AU headers */
+ /* AU headers length (bits) */
+ out->p_buffer[12] = 0;
+ out->p_buffer[13] = 2*8;
+ /* for each AU length 13 bits + idx 3bits, */
+ out->p_buffer[14] = ( in->i_size >> 5 )&0xff;
+ out->p_buffer[15] = ( (in->i_size&0xff)<<3 )|0;
+
+ memcpy( &out->p_buffer[16], p_data, i_payload );
+
+ out->i_size = 16 + i_payload;
+ out->i_dts = in->i_dts + i * in->i_length / i_count;
+ out->i_length = in->i_length / i_count;
+
+ sout_AccessOutWrite( id->p_access, out );
+
+ p_data += i_payload;
+ i_data -= i_payload;
+ }
+
+ return VLC_SUCCESS;
+}
projects / vlc / blobdiff