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Commit 6c812f62 authored by Laurent Aimar's avatar Laurent Aimar
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* livedotcom: first try to support m$ rtsp. It works on the url I have.

parent 17961cd3
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Showing with 179 additions and 15 deletions
modules/demux/livedotcom.cpp
View file @ 6c812f62
......@@ -39,6 +39,10 @@
#include "GroupsockHelper.hh"
#include "liveMedia.hh"
extern "C" {
#include "../access/mms/asf.h" /* Who said ugly ? */
}
using namespace std;
/*****************************************************************************
......@@ -89,6 +93,7 @@ typedef struct
vlc_bool_t b_quicktime;
vlc_bool_t b_muxed;
vlc_bool_t b_asf;
es_format_t fmt;
es_out_id_t *p_es;
......@@ -115,11 +120,17 @@ struct demux_sys_t
UsageEnvironment *env ;
RTSPClient *rtsp;
/* */
int i_track;
live_track_t **track; /* XXX mallocated */
mtime_t i_pcr;
mtime_t i_pcr_start;
/* Asf */
asf_header_t asfh;
stream_t *p_out_asf;
/* */
mtime_t i_length;
mtime_t i_start;
......@@ -129,6 +140,8 @@ struct demux_sys_t
static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
static int ParseASF( demux_t * );
/*****************************************************************************
* DemuxOpen:
*****************************************************************************/
......@@ -182,6 +195,7 @@ static int Open ( vlc_object_t *p_this )
p_sys->i_pcr_start = 0;
p_sys->i_length = 0;
p_sys->i_start = 0;
p_sys->p_out_asf = NULL;
if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
......@@ -276,22 +290,22 @@ static int Open ( vlc_object_t *p_this )
while( ( sub = iter->next() ) != NULL )
{
unsigned int i_buffer = 0;
Boolean bInit;
/* Value taken from mplayer */
if( !strcmp( sub->mediumName(), "audio" ) )
{
i_buffer = 100000;
}
else if( !strcmp( sub->mediumName(), "video" ) )
{
i_buffer = 2000000;
}
else
{
continue;
}
if( !sub->initiate() )
if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
bInit = sub->initiate( 4 ); /* Constant ? */
else
bInit = sub->initiate();
if( !bInit )
{
msg_Warn( p_demux, "RTP subsession '%s/%s' failed(%s)", sub->mediumName(), sub->codecName(), p_sys->env->getResultMsg() );
}
......@@ -341,6 +355,7 @@ static int Open ( vlc_object_t *p_this )
tk->i_pts = 0;
tk->b_quicktime = VLC_FALSE;
tk->b_muxed = VLC_FALSE;
tk->b_asf = VLC_FALSE;
tk->b_rtcp_sync = VLC_FALSE;
tk->p_out_muxed = NULL;
tk->p_es = NULL;
......@@ -412,6 +427,12 @@ static int Open ( vlc_object_t *p_this )
delete[] p_extra;
}
}
else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
{
tk->b_asf = VLC_TRUE;
if( p_sys->p_out_asf == NULL )
p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf", p_demux->out );;
}
}
else if( !strcmp( sub->mediumName(), "video" ) )
{
......@@ -463,6 +484,12 @@ static int Open ( vlc_object_t *p_this )
tk->b_muxed = VLC_TRUE;
tk->p_out_muxed = stream_DemuxNew( p_demux, "ps", p_demux->out );
}
else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
{
tk->b_asf = VLC_TRUE;
if( p_sys->p_out_asf == NULL )
p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf", p_demux->out );;
}
}
if( tk->fmt.i_codec != VLC_FOURCC( 'u', 'n', 'd', 'f' ) )
......@@ -470,7 +497,7 @@ static int Open ( vlc_object_t *p_this )
tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
}
if( tk->p_es || tk->b_quicktime || tk->b_muxed )
if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
{
tk->readSource = sub->readSource();
tk->rtpSource = sub->rtpSource();
......@@ -487,6 +514,13 @@ static int Open ( vlc_object_t *p_this )
delete iter;
if( p_sys->p_out_asf && ParseASF( p_demux ) )
{
msg_Err( p_demux, "cannot find a usable asf header" );
/* TODO Clean tracks */
goto error;
}
p_sys->i_length = (mtime_t)(p_sys->ms->playEndTime() * 1000000.0);
if( p_sys->i_length < 0 )
{
......@@ -507,6 +541,10 @@ static int Open ( vlc_object_t *p_this )
return VLC_SUCCESS;
error:
if( p_sys->p_out_asf )
{
stream_DemuxDelete( p_sys->p_out_asf );
}
if( p_sys->ms )
{
Medium::close( p_sys->ms );
......@@ -557,6 +595,10 @@ static void Close( vlc_object_t *p_this )
{
free( p_sys->track );
}
if( p_sys->p_out_asf )
{
stream_DemuxDelete( p_sys->p_out_asf );
}
if( p_sys->rtsp && p_sys->ms )
{
......@@ -597,6 +639,7 @@ static int Demux( demux_t *p_demux )
demux_sys_t *p_sys = p_demux->p_sys;
TaskToken task;
vlc_bool_t b_send_pcr = VLC_TRUE;
mtime_t i_pcr = 0;
int i;
......@@ -604,6 +647,9 @@ static int Demux( demux_t *p_demux )
{
live_track_t *tk = p_sys->track[i];
if( tk->b_asf || tk->b_muxed )
b_send_pcr = VLC_FALSE;
if( i_pcr == 0 )
{
i_pcr = tk->i_pts;
......@@ -617,7 +663,8 @@ static int Demux( demux_t *p_demux )
{
p_sys->i_pcr = i_pcr;
es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pcr );
if( b_send_pcr )
es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pcr );
if( p_sys->i_pcr_start <= 0 || p_sys->i_pcr_start > i_pcr ||
( p_sys->i_length > 0 && i_pcr - p_sys->i_pcr_start > p_sys->i_length ) )
{
......@@ -841,17 +888,11 @@ static void StreamRead( void *p_private, unsigned int i_size, struct timeval pts
i_size,
pts.tv_sec * 1000000LL + pts.tv_usec );
#endif
if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','1') )
{
i_size += 4;
}
if( i_size > 65536 )
{
msg_Warn( p_demux, "buffer overflow" );
}
/* FIXME could i_size be > buffer size ? */
p_block = block_New( p_demux, i_size );
if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','1') )
{
#if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
......@@ -861,11 +902,20 @@ static void StreamRead( void *p_private, unsigned int i_size, struct timeval pts
uint32_t header = 0;
msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
#endif
p_block = block_New( p_demux, i_size + 4 );
memcpy( p_block->p_buffer, &header, 4 );
memcpy( p_block->p_buffer + 4, tk->buffer, i_size );
}
else if( tk->b_asf )
{
int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, i_size );
p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
memcpy( p_block->p_buffer, tk->buffer, i_copy );
}
else
{
p_block = block_New( p_demux, i_size );
memcpy( p_block->p_buffer, tk->buffer, i_size );
}
if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','1') &&
......@@ -886,6 +936,10 @@ static void StreamRead( void *p_private, unsigned int i_size, struct timeval pts
{
stream_DemuxSend( tk->p_out_muxed, p_block );
}
else if( tk->b_asf )
{
stream_DemuxSend( p_sys->p_out_asf, p_block );
}
else
{
es_out_Send( p_demux->out, tk->p_es, p_block );
......@@ -932,3 +986,113 @@ static void TaskInterrupt( void *p_private )
p_demux->p_sys->event = 0xff;
}
/*****************************************************************************
*
*****************************************************************************/
static int b64_decode( char *dest, char *src );
static int ParseASF( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
char *psz_end;
block_t *p_header;
/* Parse the asf header */
if( psz_asf == NULL )
return VLC_EGENERIC;
psz_asf += strlen( psz_marker );
psz_asf = strdup( psz_asf ); /* Duplicate it */
psz_end = strchr( psz_asf, '\n' );
while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
*psz_end-- = '\0';
if( psz_asf >= psz_end )
{
free( psz_asf );
return VLC_EGENERIC;
}
/* Always smaller */
p_header = block_New( p_demux, psz_end - psz_asf );
p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
fprintf( stderr, "Size=%d Hdrb64=%s\n", p_header->i_buffer, psz_asf );
if( p_header->i_buffer <= 0 )
{
free( psz_asf );
return VLC_EGENERIC;
}
/* Parse it to get packet size */
E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
/* Send it to demuxer */
stream_DemuxSend( p_sys->p_out_asf, p_header );
free( psz_asf );
return VLC_SUCCESS;
}
/*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
static int b64_decode( char *dest, char *src )
{
const char *dest_start = dest;
int i_level;
int last = 0;
int b64[256] = {
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 00-0F */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 10-1F */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63, /* 20-2F */
52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, /* 30-3F */
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14, /* 40-4F */
15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, /* 50-5F */
-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40, /* 60-6F */
41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1, /* 70-7F */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 80-8F */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 90-9F */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* A0-AF */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* B0-BF */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* C0-CF */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* D0-DF */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* E0-EF */
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 /* F0-FF */
};
for( i_level = 0; *src != '\0'; src++ )
{
int c;
c = b64[(unsigned int)*src];
if( c == -1 )
{
continue;
}
switch( i_level )
{
case 0:
i_level++;
break;
case 1:
*dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
i_level++;
break;
case 2:
*dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
i_level++;
break;
case 3:
*dest++ = ( ( last &0x03 ) << 6 ) | c;
i_level = 0;
}
last = c;
}
*dest = '\0';
return dest - dest_start;
}
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