Commit 2ad72194 authored by Laurent Aimar's avatar Laurent Aimar

* useless.

parent fb34c95e
......@@ -9,5 +9,4 @@ SOURCES_au = au.c
SOURCES_wav = wav.c
SOURCES_aac = aac.c
SOURCES_mkv = mkv.cpp
SOURCES_sdp = sdp.c
SOURCES_livedotcom = livedotcom.cpp
/*****************************************************************************
* sdp.c: SDP parser and builtin UDP/RTP/RTSP
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: sdp.c,v 1.11 2003/09/12 16:26:40 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/input.h>
#include "codecs.h"
#include "/usr/src/libmtools/mc.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int DescribeOpen ( vlc_object_t * );
static void DescribeClose( vlc_object_t * );
static int SDPOpen ( vlc_object_t * );
static void SDPClose( vlc_object_t * );
vlc_module_begin();
set_description( _("SDP demuxer/reader") );
set_capability( "demux", 100 );
set_callbacks( SDPOpen, SDPClose );
add_shortcut( "sdp" );
add_category_hint( "RTSP", NULL, VLC_TRUE );
add_bool( "rtsp-tcp", 0, NULL,
"Use rtp over rtsp(tcp)",
"Use rtp over rtsp(tcp)", VLC_TRUE );
add_submodule();
set_description( _("RTSP/RTP describe") );
add_shortcut( "rtp_sdp" );
add_shortcut( "rtsp" );
set_capability( "access", 0 );
set_callbacks( DescribeOpen, DescribeClose );
vlc_module_end();
static ssize_t DescribeRead( input_thread_t *, byte_t *, size_t );
static int SDPDemux( input_thread_t * );
/*****************************************************************************
* Local prototypes
*****************************************************************************/
struct access_sys_t
{
int i_sdp;
int i_sdp_pos;
char *psz_sdp;
};
struct demux_sys_t
{
media_client_t *mc;
/* try to detect end of stream */
vlc_bool_t b_received_data;
int i_no_data;
};
struct media_client_sys_t
{
es_descriptor_t *es;
int64_t i_timestamp;
vlc_bool_t b_complete;
pes_packet_t *p_pes;
};
static void CodecFourcc( char *psz_name, uint8_t *pi_cat,vlc_fourcc_t *pi_fcc);
static void EsDecoderCreate( input_thread_t * p_input, media_client_es_t *p_es );
static int EsDecoderSend ( input_thread_t * p_input,
media_client_es_t *p_es, media_client_frame_t *p_frame );
/*****************************************************************************
* DescribeOpen : create a SDP from an URL
*****************************************************************************
*
*****************************************************************************/
static int DescribeOpen( vlc_object_t *p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
access_sys_t *p_sys;
char *psz_uri;
vlc_value_t val;
if( p_input->psz_access == NULL ||
( strcmp( p_input->psz_access, "rtsp" ) &&
strcmp( p_input->psz_access, "rtp_sdp" ) ) )
{
msg_Dbg( p_input, "invalid access name" );
return VLC_EGENERIC;
}
/* We cannot directly use p_input->psz_source as we cannot accept
* something like rtsp/<demuxer>:// */
psz_uri = malloc( strlen( p_input->psz_access ) +
strlen( p_input->psz_name ) + 4 );
if( !strcmp( p_input->psz_access, "rtp_sdp" ) )
{
sprintf( psz_uri, "rtp://%s", p_input->psz_name );
}
else
{
sprintf( psz_uri, "%s://%s", p_input->psz_access, p_input->psz_name );
}
msg_Dbg( p_input, "describing %s", psz_uri );
p_sys = p_input->p_access_data = malloc( sizeof( access_sys_t ) );
p_sys->i_sdp = 0;
p_sys->i_sdp_pos= 0;
p_sys->psz_sdp = media_client_describe_url( psz_uri );
if( p_sys->psz_sdp == NULL )
{
msg_Err( p_input, "cannot describe %s", psz_uri );
free( psz_uri );
return VLC_EGENERIC;
}
free( psz_uri );
p_sys->i_sdp = strlen( p_sys->psz_sdp );
p_input->i_mtu = 0;
var_Create( p_input, "rtsp-tcp", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
var_Get( p_input, "rtsp-tcp", &val );
/* Set exported functions */
p_input->pf_read = DescribeRead;
p_input->pf_seek = NULL;
p_input->pf_set_program = input_SetProgram;
p_input->pf_set_area = NULL;
p_input->p_private = NULL;
/* Finished to set some variable */
vlc_mutex_lock( &p_input->stream.stream_lock );
/* FIXME that's not true but eg over tcp, server send data too fast */
p_input->stream.b_pace_control = val.b_bool;
p_input->stream.p_selected_area->i_tell = 0;
p_input->stream.b_seekable = 0;
p_input->stream.p_selected_area->i_size = 0;
p_input->stream.i_method = INPUT_METHOD_NETWORK;
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* Update default_pts to a suitable value for RTSP access */
p_input->i_pts_delay = 4 * DEFAULT_PTS_DELAY;
return VLC_SUCCESS;
}
/*****************************************************************************
* DescribeClose
*****************************************************************************
*
*****************************************************************************/
static void DescribeClose( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
access_sys_t *p_sys = p_input->p_access_data;
free( p_sys->psz_sdp );
free( p_sys );
}
/*****************************************************************************
* DescribeRead
*****************************************************************************
*
*****************************************************************************/
static ssize_t DescribeRead( input_thread_t * p_input,
byte_t * p_buffer, size_t i_len)
{
access_sys_t *p_sys = p_input->p_access_data;
int i_copy = __MIN( (int)i_len,
p_sys->i_sdp - p_sys->i_sdp_pos );
if( i_copy > 0 )
{
memcpy( p_buffer, &p_sys->psz_sdp[p_sys->i_sdp_pos], i_copy );
p_sys->i_sdp_pos += i_copy;
}
return i_copy;
}
/*****************************************************************************
* SDPOpen:
*****************************************************************************
*
*****************************************************************************/
static int SDPOpen( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys;
uint8_t *p_peek;
int i_sdp;
int i_sdp_max;
char *psz_sdp;
int i_es;
media_client_es_t **pp_es;
int i;
char *psz_uri;
vlc_value_t val;
/* See if it looks like a SDP
v, o, s fields are mandatory and in this order */
if( input_Peek( p_input, &p_peek, 7 ) < 7 )
{
msg_Err( p_input, "cannot peek" );
return VLC_EGENERIC;
}
if( strncmp( p_peek, "v=0\r\n", 5 ) &&
strncmp( p_peek, "v=0\n", 4 ) )
{
msg_Warn( p_input, "SDP module discarded" );
return VLC_EGENERIC;
}
p_input->pf_demux = SDPDemux;
p_input->pf_demux_control = demux_vaControlDefault;
p_sys = p_input->p_demux_data = malloc( sizeof( demux_sys_t ) );
var_Create( p_input, "rtsp-tcp", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
var_Get( p_input, "rtsp-tcp", &val );
p_sys->mc = media_client_create( val.b_bool ? 1 : 0 );
p_sys->i_no_data = 0;
p_sys->b_received_data = VLC_FALSE;
/* Read the complete SDP file */
i_sdp = 0;
i_sdp_max = 1024;
psz_sdp = malloc( i_sdp_max );
for( ;; )
{
int i_read;
i_read = stream_Read( p_input->s,
&psz_sdp[i_sdp], i_sdp_max - i_sdp -1 );
if( i_read < i_sdp_max - i_sdp -1 )
{
if( i_read > 0 )
{
i_sdp += i_read;
}
break;
}
i_sdp += i_read;
i_sdp_max += 1024;
psz_sdp = realloc( psz_sdp, i_sdp_max );
}
psz_sdp[i_sdp] = '\0';
if( i_sdp == 0 )
{
msg_Err( p_input, "cannot read SDP file" );
free( psz_sdp );
goto error;
}
msg_Dbg( p_input, "------sdp file-----\n%s", psz_sdp );
msg_Dbg( p_input, "-------------------" );
/* We cannot directly use p_input->psz_source as we cannot accept
* something like rtsp/<demuxer>:// */
psz_uri = malloc( strlen( p_input->psz_access ) +
strlen( p_input->psz_name ) + 4 );
sprintf( psz_uri, "%s://%s", p_input->psz_access, p_input->psz_name );
if( media_client_add_sdp( p_sys->mc, psz_sdp, psz_uri ) )
{
msg_Err( p_input, "cannot add this description" );
free( psz_sdp );
goto error;
}
free( psz_sdp );
media_client_es( p_sys->mc, &pp_es, &i_es );
for( i = 0; i < i_es; i++ )
{
msg_Dbg( p_input, "es[%d] cat=%s codec=%s",
i, pp_es[i]->psz_cat, pp_es[i]->psz_codec );
}
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1)
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
goto error;
}
if( input_AddProgram( p_input, 0, 0) == NULL )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot add program" );
goto error;
}
p_input->stream.pp_programs[0]->b_is_ok = 0;
p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
p_input->stream.i_mux_rate = 0 / 50;
p_input->stream.p_selected_program->b_is_ok = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return VLC_SUCCESS;
error:
media_client_release( p_sys->mc );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* SDPClose:
*****************************************************************************
*
*****************************************************************************/
static void SDPClose( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
int i_es;
media_client_es_t **pp_es;
int i;
media_client_es( p_sys->mc, &pp_es, &i_es );
for( i = 0; i < i_es; i++ )
{
msg_Dbg( p_input, "es[%d] cat=%s codec=%s",
i, pp_es[i]->psz_cat, pp_es[i]->psz_codec );
if( pp_es[i]->p_sys )
{
free( pp_es[i]->p_sys );
}
}
media_client_release( p_sys->mc );
free( p_sys );
}
/*****************************************************************************
* SDPDemux:
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int SDPDemux( input_thread_t * p_input )
{
demux_sys_t *p_sys = p_input->p_demux_data;
media_client_es_t *p_es;
media_client_frame_t *p_frame;
while( !p_input->b_die && !p_input->b_error )
{
if( media_client_read( p_sys->mc, &p_es, &p_frame, 500 ) )
{
msg_Dbg( p_input, "no data" );
p_sys->i_no_data++;
if( p_sys->b_received_data && p_sys->i_no_data > 10 )
{
return 0;
}
return 1;
}
p_sys->b_received_data = VLC_TRUE;
p_sys->i_no_data = 0;
if( p_es == NULL )
{
continue;
}
if( p_es->p_sys == NULL )
{
EsDecoderCreate( p_input, p_es );
}
if( p_es->p_sys->es && p_es->p_sys->es->p_decoder_fifo &&
p_frame->i_data > 0 )
{
EsDecoderSend( p_input, p_es, p_frame );
}
return 1;
}
return 0;
}
static struct
{
char *psz_codec;
int i_cat;
vlc_fourcc_t i_fcc;
} rtp_codec_map[] =
{
{ "L16", AUDIO_ES, VLC_FOURCC( 't', 'w', 'o', 's' ) },
{ "MPA", AUDIO_ES, VLC_FOURCC( 'm', 'p', 'g', 'a' ) },
{ "MP4V-ES", VIDEO_ES, VLC_FOURCC( 'm', 'p', '4', 'v' ) },
{ "MP4A-ES", AUDIO_ES, VLC_FOURCC( 'm', 'p', '4', 'a' ) },
/* { "H263-1998", VIDEO_ES, VLC_FOURCC( 'h', '2', '6', '3' ) }, */
{ NULL, UNKNOWN_ES, 0 }
};
static void CodecFourcc( char *psz_name, uint8_t *pi_cat, vlc_fourcc_t *pi_fcc)
{
int i;
for( i = 0; rtp_codec_map[i].psz_codec != NULL; i++ )
{
if( !strcasecmp( psz_name, rtp_codec_map[i].psz_codec ) )
{
break;
}
}
*pi_cat = rtp_codec_map[i].i_cat;
*pi_fcc = rtp_codec_map[i].i_fcc;
}
static void EsDecoderCreate( input_thread_t * p_input, media_client_es_t *p_es )
{
msg_Dbg( p_input, "adding es cat=%s codec=%s",
p_es->psz_cat, p_es->psz_codec );
p_es->p_sys = malloc( sizeof( media_client_sys_t ) );
p_es->p_sys->p_pes = NULL;
p_es->p_sys->b_complete = VLC_FALSE;
p_es->p_sys->i_timestamp = 0;
vlc_mutex_lock( &p_input->stream.stream_lock );
if( !strcmp( p_es->psz_cat, "audio" ) )
{
p_es->p_sys->es =
input_AddES( p_input,
p_input->stream.p_selected_program,
1 , AUDIO_ES, NULL, 0 );
}
else if( !strcmp( p_es->psz_cat, "video" ) )
{
p_es->p_sys->es =
input_AddES( p_input,
p_input->stream.p_selected_program,
1 , VIDEO_ES, NULL, 0 );
}
else
{
msg_Warn( p_input, "cat unsuported" );
p_es->p_sys->es = NULL;
}
if( p_es->p_sys->es )
{
CodecFourcc( p_es->psz_codec,
&p_es->p_sys->es->i_cat,
&p_es->p_sys->es->i_fourcc );
msg_Dbg( p_input, "cat=%d fcc=%4.4s",
p_es->p_sys->es->i_cat,
(char*)&p_es->p_sys->es->i_fourcc );
if( p_es->p_sys->es->i_cat == AUDIO_ES )
{
WAVEFORMATEX *p_wf;
int i_size = sizeof( WAVEFORMATEX ) +
p_es->i_extra_data;
p_wf = malloc( i_size );
p_wf->wFormatTag = 0;
p_wf->nChannels = p_es->audio.i_channels;
p_wf->nSamplesPerSec = p_es->audio.i_samplerate;
p_wf->nBlockAlign = 0;
p_wf->wBitsPerSample = 0;
if( !strcmp( p_es->psz_codec, "L16" ) )
{
p_wf->wBitsPerSample = 16;
}
p_wf->cbSize = p_es->i_extra_data;
if( p_es->i_extra_data > 0 )
{
memcpy( &p_wf[1], p_es->p_extra_data,
p_es->i_extra_data );
}
p_es->p_sys->es->p_waveformatex = (void*)p_wf;
p_es->p_sys->es->p_bitmapinfoheader = NULL;
}
else if( p_es->p_sys->es->i_cat == VIDEO_ES )
{
BITMAPINFOHEADER *p_bih;
int i_size = sizeof( BITMAPINFOHEADER ) +
p_es->i_extra_data;
p_bih = malloc( i_size );
p_bih->biSize = i_size;
p_bih->biWidth = p_es->video.i_width;
p_bih->biHeight = p_es->video.i_height;
p_bih->biPlanes = 1;
p_bih->biBitCount = 24;
p_bih->biCompression= 0;
p_bih->biSizeImage = 0;
p_bih->biXPelsPerMeter = 0;
p_bih->biYPelsPerMeter = 0;
p_bih->biClrUsed = 0;
p_bih->biClrImportant = 0;
if( p_es->i_extra_data > 0 )
{
memcpy( &p_bih[1], p_es->p_extra_data,
p_es->i_extra_data );
}
p_es->p_sys->es->p_waveformatex = NULL;
p_es->p_sys->es->p_bitmapinfoheader = (void*)p_bih;
}
input_SelectES( p_input, p_es->p_sys->es );
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
static int EsDecoderSend ( input_thread_t * p_input,
media_client_es_t *p_es, media_client_frame_t *p_frame )
{
media_client_sys_t *tk = p_es->p_sys;
data_packet_t *p_data;
if( tk->p_pes && tk->b_complete )
{
tk->p_pes->i_dts = 0;
tk->p_pes->i_pts = 0;
if( tk->i_timestamp > 0 )
{
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
tk->i_timestamp * 9 / 100 );
tk->p_pes->i_pts =
tk->p_pes->i_dts =
input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
tk->i_timestamp * 9 / 100 );
}
#if 0
msg_Dbg( p_input, "codec=%s frame pts=%lld dts=%lld",
p_es->psz_codec,
tk->p_pes->i_pts, tk->p_pes->i_dts );
#endif
input_DecodePES( tk->es->p_decoder_fifo, tk->p_pes );
tk->p_pes = NULL;
}
if( tk->p_pes == NULL )
{
tk->b_complete = VLC_FALSE;
tk->i_timestamp = p_frame->i_pts;
tk->p_pes = input_NewPES( p_input->p_method_data );
if( tk->p_pes == NULL )
{
msg_Err( p_input, "cannot allocate pes" );
return -1;
}
tk->p_pes->i_rate = p_input->stream.control.i_rate;
tk->p_pes->i_nb_data = 0;
tk->p_pes->i_pes_size = 0;
}
if( ( p_data = input_NewPacket( p_input->p_method_data,
p_frame->i_data ) ) == NULL )
{
msg_Err( p_input, "cannot allocate data" );
return -1;
}
p_data->p_payload_end = p_data->p_payload_start + p_frame->i_data;
memcpy( p_data->p_payload_start, p_frame->p_data, p_frame->i_data);
if( tk->p_pes->p_first == NULL )
{
tk->p_pes->p_first = p_data;
}
else
{
tk->p_pes->p_last->p_next = p_data;
}
tk->p_pes->p_last = p_data;
tk->p_pes->i_pes_size += p_frame->i_data;
tk->p_pes->i_nb_data++;
tk->b_complete = p_frame->b_completed;
}