/*****************************************************************************
* live.cpp : live.com support.
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: livedotcom.cpp,v 1.4 2003/11/07 18:08:54 fenrir Exp $
+ * Copyright (C) 2003-2004 VideoLAN
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
#include <vlc/vlc.h>
#include <vlc/input.h>
-#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
#include <iostream>
+#if defined( WIN32 )
+# include <winsock2.h>
+#endif
+
#include "BasicUsageEnvironment.hh"
#include "GroupsockHelper.hh"
#include "liveMedia.hh"
+extern "C" {
+#include "../access/mms/asf.h" /* Who said ugly ? */
+}
+
+#if (LIVEMEDIA_LIBRARY_VERSION_INT < 1089936000)
+#define RECLAIM_ENV(env) delete (env)
+#else
+#define RECLAIM_ENV(env) (env)->reclaim()
+#endif
+
+
using namespace std;
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-static int DemuxOpen ( vlc_object_t * );
-static void DemuxClose( vlc_object_t * );
-
-static int AccessOpen ( vlc_object_t * );
-static void AccessClose( vlc_object_t * );
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
-#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_TEXT N_("Caching value (ms)")
#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for rtsp streams. This " \
- "value should be set in miliseconds units." )
+ "Allows you to modify the default caching value for RTSP streams. This " \
+ "value should be set in millisecond units." )
+
+#define KASENNA_TEXT N_( "Kasenna RTSP dialect")
+#define KASENNA_LONGTEXT N_( "Kasenna server speaks an old and unstandard dialect of RTSP. " \
+ "When you set this parameter, VLC will try this dialect for communication. In " \
+ "this mode you cannot talk to normal RTSP servers." )
vlc_module_begin();
set_description( _("live.com (RTSP/RTP/SDP) demuxer" ) );
- set_capability( "demux", 50 );
- set_callbacks( DemuxOpen, DemuxClose );
+ set_capability( "demux2", 50 );
+ set_name( "Live.com RTP/RTSP");
+ set_callbacks( Open, Close );
add_shortcut( "live" );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_DEMUX );
add_submodule();
- set_description( _("RTSP/RTP describe") );
+ set_description( _("RTSP/RTP access and demux") );
add_shortcut( "rtsp" );
- set_capability( "access", 0 );
- set_callbacks( AccessOpen, AccessClose );
- add_category_hint( N_("RTSP"), NULL, VLC_TRUE );
- add_bool( "rtsp-tcp", 0, NULL,
- "Use rtp over rtsp(tcp)",
- "Use rtp over rtsp(tcp)", VLC_TRUE );
- add_integer( "rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ add_shortcut( "sdp" );
+ set_capability( "access_demux", 0 );
+ set_callbacks( Open, Close );
+ add_bool( "rtsp-tcp", 0, NULL,
+ N_("Use RTP over RTSP (TCP)"),
+ N_("Use RTP over RTSP (TCP)"), VLC_TRUE );
+ add_integer( "rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
+ CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ add_bool( "rtsp-kasenna", VLC_FALSE, NULL, KASENNA_TEXT,
+ KASENNA_LONGTEXT, VLC_TRUE );
vlc_module_end();
/* TODO:
- * - Support PS/TS (need to rework the TS/PS demuxer a lot).
- * - Support X-QT/X-QUICKTIME generic codec.
- * - Handle PTS (for now I just use mdate())
+ * - Improve support of PS/TS
+ * - Support X-QT/X-QUICKTIME generic codec for audio.
*
- * - Check memory leak, delete/free.
+ * - Check memory leak, delete/free -> still one when using rtsp-tcp but I'm
+ * not sure if it comes from me.
*
*/
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-struct access_sys_t
-{
- int i_sdp;
- char *p_sdp;
-
- int i_pos;
-};
-
typedef struct
{
- input_thread_t *p_input;
+ demux_t *p_demux;
+
+ 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;
+ stream_t *p_out_muxed; /* for muxed stream */
+
+ RTPSource *rtpSource;
FramedSource *readSource;
+ vlc_bool_t b_rtcp_sync;
- uint8_t buffer[65536];
+ uint8_t *p_buffer;
+ unsigned int i_buffer;
char waiting;
UsageEnvironment *env ;
RTSPClient *rtsp;
+ /* */
int i_track;
live_track_t **track; /* XXX mallocated */
mtime_t i_pcr;
mtime_t i_pcr_start;
- char event;
-};
-
-static ssize_t Read ( input_thread_t *, byte_t *, size_t );
+ /* Asf */
+ asf_header_t asfh;
+ stream_t *p_out_asf;
-static int Demux ( input_thread_t * );
-static int Control( input_thread_t *, int, va_list );
+ /* */
+ mtime_t i_length;
+ mtime_t i_start;
+ char event;
+};
+static int Demux ( demux_t * );
+static int Control( demux_t *, int, va_list );
-/*****************************************************************************
- * AccessOpen:
- *****************************************************************************/
-static int AccessOpen( vlc_object_t *p_this )
-{
- input_thread_t *p_input = (input_thread_t *)p_this;
- access_sys_t *p_sys;
-
- TaskScheduler *scheduler = NULL;
- UsageEnvironment *env = NULL;
- RTSPClient *rtsp = NULL;
-
- vlc_value_t val;
- char *psz_url;
-
- if( p_input->psz_access == NULL || strcasecmp( p_input->psz_access, "rtsp" ) )
- {
- msg_Warn( p_input, "RTSP access discarded" );
- return VLC_EGENERIC;
- }
- if( ( scheduler = BasicTaskScheduler::createNew() ) == NULL )
- {
- msg_Err( p_input, "BasicTaskScheduler::createNew failed" );
- return VLC_EGENERIC;
- }
- if( ( env = BasicUsageEnvironment::createNew(*scheduler) ) == NULL )
- {
- delete scheduler;
- msg_Err( p_input, "BasicUsageEnvironment::createNew failed" );
- return VLC_EGENERIC;
- }
- if( ( rtsp = RTSPClient::createNew(*env, 1/*verbose*/, "VLC Media Player" ) ) == NULL )
- {
- delete env;
- delete scheduler;
- msg_Err( p_input, "RTSPClient::createNew failed" );
- return VLC_EGENERIC;
- }
-
- psz_url = (char*)malloc( strlen( p_input->psz_name ) + 8 );
- sprintf( psz_url, "rtsp://%s", p_input->psz_name );
-
- p_sys = (access_sys_t*)malloc( sizeof( access_sys_t ) );
- p_sys->p_sdp = rtsp->describeURL( psz_url );
-
- if( p_sys->p_sdp == NULL )
- {
- msg_Err( p_input, "describeURL failed (%s)", env->getResultMsg() );
-
- free( psz_url );
- delete env;
- delete scheduler;
- free( p_sys );
- return VLC_EGENERIC;
- }
- free( psz_url );
- p_sys->i_sdp = strlen( p_sys->p_sdp );
- p_sys->i_pos = 0;
-
- //fprintf( stderr, "sdp=%s\n", p_sys->p_sdp );
-
- delete env;
- delete scheduler;
-
- var_Create( p_input, "rtsp-tcp", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Get( p_input, "rtsp-tcp", &val );
-
- p_input->p_access_data = p_sys;
- p_input->i_mtu = 0;
-
- /* Set exported functions */
- p_input->pf_read = Read;
- p_input->pf_seek = NULL;
- p_input->pf_set_program = input_SetProgram;
- p_input->pf_set_area = NULL;
- p_input->p_private = NULL;
-
- p_input->psz_demux = "live";
-
- /* 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 = 1; /* Hack to display time */
- 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 */
- var_Create( p_input, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Get( p_input, "rtsp-caching", &val );
- p_input->i_pts_delay = val.i_int * 1000;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * AccessClose:
- *****************************************************************************/
-static void AccessClose( 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;
-
- delete[] p_sys->p_sdp;
- free( p_sys );
-}
-
-/*****************************************************************************
- * Read:
- *****************************************************************************/
-static ssize_t Read ( 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_pos );
+static int ParseASF( demux_t * );
- if( i_copy > 0 )
- {
- memcpy( p_buffer, &p_sys->p_sdp[p_sys->i_pos], i_copy );
- p_sys->i_pos += i_copy;
- }
- return i_copy;
-}
+static void StreamRead( void *p_private, unsigned int i_size, unsigned int i_truncated_bytes, struct timeval pts, unsigned int i_duration );
+static void StreamClose( void *p_private );
+static void TaskInterrupt( void *p_private );
/*****************************************************************************
* DemuxOpen:
*****************************************************************************/
-static int DemuxOpen ( vlc_object_t *p_this )
+static int Open ( vlc_object_t *p_this )
{
- input_thread_t *p_input = (input_thread_t *)p_this;
- demux_sys_t *p_sys;
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys;
MediaSubsessionIterator *iter;
MediaSubsession *sub;
- vlc_value_t val;
-
+ vlc_bool_t b_rtsp_tcp;
uint8_t *p_peek;
int i_sdp;
int i_sdp_max;
uint8_t *p_sdp;
- /* See if it looks like a SDP
- v, o, s fields are mandatory and in this order */
- if( stream_Peek( p_input->s, &p_peek, 7 ) < 7 )
+ if( p_demux->s )
{
- msg_Err( p_input, "cannot peek" );
- return VLC_EGENERIC;
+ /* See if it looks like a SDP
+ v, o, s fields are mandatory and in this order */
+ if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 )
+ {
+ msg_Err( p_demux, "cannot peek" );
+ return VLC_EGENERIC;
+ }
+ if( strncmp( (char*)p_peek, "v=0\r\n", 5 ) && strncmp( (char*)p_peek, "v=0\n", 4 ) &&
+ ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
+ {
+ msg_Warn( p_demux, "SDP module discarded" );
+ return VLC_EGENERIC;
+ }
}
- if( strncmp( (char*)p_peek, "v=0\r\n", 5 ) && strncmp( (char*)p_peek, "v=0\n", 4 ) &&
- ( p_input->psz_access == NULL || strcasecmp( p_input->psz_access, "rtsp" ) ||
- p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
+ else
{
- msg_Warn( p_input, "SDP module discarded" );
- return VLC_EGENERIC;
+ var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
}
- p_input->pf_demux = Demux;
- p_input->pf_demux_control = Control;
- p_input->p_demux_data = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control= Control;
+ p_demux->p_sys = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
p_sys->p_sdp = NULL;
p_sys->scheduler = NULL;
p_sys->env = NULL;
p_sys->track = NULL;
p_sys->i_pcr = 0;
p_sys->i_pcr_start = 0;
+ p_sys->i_length = 0;
+ p_sys->i_start = 0;
+ p_sys->p_out_asf = NULL;
- /* Gather the complete sdp file */
- i_sdp = 0;
- i_sdp_max = 1000;
- p_sdp = (uint8_t*)malloc( i_sdp_max );
- for( ;; )
- {
- int i_read = stream_Read( p_input->s, &p_sdp[i_sdp], i_sdp_max - i_sdp - 1 );
-
- if( i_read < 0 )
- {
- msg_Err( p_input, "failed to read SDP" );
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- i_sdp += i_read;
-
- if( i_read < i_sdp_max - i_sdp - 1 )
- {
- p_sdp[i_sdp] = '\0';
- break;
- }
-
- i_sdp_max += 1000;
- p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
- }
- p_sys->p_sdp = (char*)p_sdp;
-
- fprintf( stderr, "sdp=%s\n", p_sys->p_sdp );
if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
{
- msg_Err( p_input, "BasicTaskScheduler::createNew failed" );
+ msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
goto error;
}
if( ( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) == NULL )
{
- msg_Err( p_input, "BasicUsageEnvironment::createNew failed" );
+ msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
goto error;
}
- if( p_input->psz_access != NULL && !strcasecmp( p_input->psz_access, "rtsp" ) )
+
+ if( p_demux->s == NULL && !strcasecmp( p_demux->psz_access, "rtsp" ) )
{
char *psz_url;
char *psz_options;
if( ( p_sys->rtsp = RTSPClient::createNew(*p_sys->env, 1/*verbose*/, "VLC Media Player" ) ) == NULL )
{
- msg_Err( p_input, "RTSPClient::createNew failed (%s)", p_sys->env->getResultMsg() );
+ msg_Err( p_demux, "RTSPClient::createNew failed (%s)", p_sys->env->getResultMsg() );
goto error;
}
- psz_url = (char*)malloc( strlen( p_input->psz_name ) + 8 );
- sprintf( psz_url, "rtsp://%s", p_input->psz_name );
+ psz_url = (char*)malloc( strlen( p_demux->psz_path ) + 8 );
+ sprintf( psz_url, "rtsp://%s", p_demux->psz_path );
psz_options = p_sys->rtsp->sendOptionsCmd( psz_url );
- /* FIXME psz_options -> delete or free */
+ if( psz_options )
+ delete [] psz_options;
+
+ p_sdp = (uint8_t*)p_sys->rtsp->describeURL( psz_url,
+ NULL, var_CreateGetBool( p_demux, "rtsp-kasenna" ) );
+ if( p_sdp == NULL )
+ {
+ msg_Err( p_demux, "describeURL failed (%s)", p_sys->env->getResultMsg() );
+
+ free( psz_url );
+ goto error;
+ }
free( psz_url );
+
+ /* malloc-ated copy */
+ p_sys->p_sdp = strdup( (char*)p_sdp );
+ delete[] p_sdp;
+ fprintf( stderr, "sdp=%s\n", p_sys->p_sdp );
+ }
+ else if( p_demux->s == NULL && !strcasecmp( p_demux->psz_access, "sdp" ) )
+ {
+ p_sys->p_sdp = strdup( p_demux->psz_path );
+ }
+ else
+ {
+ /* Gather the complete sdp file */
+ i_sdp = 0;
+ i_sdp_max = 1000;
+ p_sdp = (uint8_t*)malloc( i_sdp_max );
+ for( ;; )
+ {
+ int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp], i_sdp_max - i_sdp - 1 );
+
+ if( i_read < 0 )
+ {
+ msg_Err( p_demux, "failed to read SDP" );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ i_sdp += i_read;
+
+ if( i_read < i_sdp_max - i_sdp - 1 )
+ {
+ p_sdp[i_sdp] = '\0';
+ break;
+ }
+
+ i_sdp_max += 1000;
+ p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
+ }
+ p_sys->p_sdp = (char*)p_sdp;
+
+ msg_Dbg( p_demux, "sdp=%s\n", p_sys->p_sdp );
}
if( ( p_sys->ms = MediaSession::createNew(*p_sys->env, p_sys->p_sdp ) ) == NULL )
{
- msg_Err( p_input, "MediaSession::createNew failed" );
+ msg_Err( p_demux, "MediaSession::createNew failed" );
goto error;
}
- var_Create( p_input, "rtsp-tcp", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Get( p_input, "rtsp-tcp", &val );
+ b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" );
/* Initialise each media subsession */
iter = new MediaSubsessionIterator( *p_sys->ms );
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_input, "RTP subsession '%s/%s' failed(%s)", sub->mediumName(), sub->codecName(), p_sys->env->getResultMsg() );
+ msg_Warn( p_demux, "RTP subsession '%s/%s' failed(%s)", sub->mediumName(), sub->codecName(), p_sys->env->getResultMsg() );
}
else
{
- int fd = sub->rtpSource()->RTPgs()->socketNum();
+ if( sub->rtpSource() )
+ {
+ int fd = sub->rtpSource()->RTPgs()->socketNum();
+ /* Increase the buffer size */
+ increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
+ }
- msg_Warn( p_input, "RTP subsession '%s/%s'", sub->mediumName(), sub->codecName() );
+ msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(), sub->codecName() );
- /* Increase the buffer size */
- increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
/* Issue the SETUP */
if( p_sys->rtsp )
{
- p_sys->rtsp->setupMediaSubsession( *sub, False, val.b_bool ? True : False );
+ p_sys->rtsp->setupMediaSubsession( *sub, False, b_rtsp_tcp ? True : False );
}
}
}
/* The PLAY */
if( !p_sys->rtsp->playMediaSession( *p_sys->ms ) )
{
- msg_Err( p_input, "PLAY failed %s", p_sys->env->getResultMsg() );
+ msg_Err( p_demux, "PLAY failed %s", p_sys->env->getResultMsg() );
goto error;
}
}
}
tk = (live_track_t*)malloc( sizeof( live_track_t ) );
- tk->p_input = p_input;
+ tk->p_demux = p_demux;
tk->waiting = 0;
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;
+ tk->i_buffer = 65536;
+ tk->p_buffer = (uint8_t *)malloc( 65536 );
/* Value taken from mplayer */
if( !strcmp( sub->mediumName(), "audio" ) )
{
es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC( 'u', 'n', 'd', 'f' ) );
tk->fmt.audio.i_channels = sub->numChannels();
- tk->fmt.audio.i_samplerate = sub->rtpSource()->timestampFrequency();
+ tk->fmt.audio.i_rate = sub->rtpSource()->timestampFrequency();
if( !strcmp( sub->codecName(), "MPA" ) ||
!strcmp( sub->codecName(), "MPA-ROBUST" ) ||
!strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
{
tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
- tk->fmt.audio.i_samplerate = 0;
+ tk->fmt.audio.i_rate = 0;
}
else if( !strcmp( sub->codecName(), "AC3" ) )
{
tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
- tk->fmt.audio.i_samplerate = 0;
+ tk->fmt.audio.i_rate = 0;
}
else if( !strcmp( sub->codecName(), "L16" ) )
{
if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(), i_extra ) ) )
{
- tk->fmt.i_extra_type = ES_EXTRA_TYPE_WAVEFORMATEX;
tk->fmt.i_extra = i_extra;
- tk->fmt.p_extra = malloc( sizeof( i_extra ) );
+ tk->fmt.p_extra = malloc( i_extra );
memcpy( tk->fmt.p_extra, p_extra, i_extra );
delete[] p_extra;
}
if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(), i_extra ) ) )
{
- tk->fmt.i_extra_type = ES_EXTRA_TYPE_WAVEFORMATEX;
tk->fmt.i_extra = i_extra;
tk->fmt.p_extra = malloc( i_extra );
memcpy( tk->fmt.p_extra, p_extra, i_extra );
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" ) )
{
tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
}
else if( !strcmp( sub->codecName(), "H263" ) ||
- !strcmp( sub->codecName(), "H263-1998" ) )
+ !strcmp( sub->codecName(), "H263-1998" ) ||
+ !strcmp( sub->codecName(), "H263-2000" ) )
{
- tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '3' );
+ tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
}
else if( !strcmp( sub->codecName(), "H261" ) )
{
- tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '1' );
+ tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
}
else if( !strcmp( sub->codecName(), "JPEG" ) )
{
- tk->fmt.i_codec = VLC_FOURCC( 'J', 'P', 'E', 'G' );
+ tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
}
else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
{
if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(), i_extra ) ) )
{
- tk->fmt.i_extra_type = ES_EXTRA_TYPE_BITMAPINFOHEADER;
tk->fmt.i_extra = i_extra;
tk->fmt.p_extra = malloc( i_extra );
memcpy( tk->fmt.p_extra, p_extra, i_extra );
delete[] p_extra;
}
}
+ else if( !strcmp( sub->codecName(), "X-QT" ) || !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
+ !strcmp( sub->codecName(), "X-QDM" ) || !strcmp( sub->codecName(), "X-SV3V-ES" ) ||
+ !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
+ {
+ tk->b_quicktime = VLC_TRUE;
+ }
+ else if( !strcmp( sub->codecName(), "MP2T" ) )
+ {
+ tk->b_muxed = VLC_TRUE;
+ tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
+ }
+ else if( !strcmp( sub->codecName(), "MP2P" ) || !strcmp( sub->codecName(), "MP1S" ) )
+ {
+ 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' ) )
{
- tk->p_es = es_out_Add( p_input->p_es_out, &tk->fmt );
+ tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
+ }
+
+ if( sub->rtcpInstance() != NULL )
+ {
+ sub->rtcpInstance()->setByeHandler( StreamClose, tk );
}
- if( tk->p_es )
+ if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
{
- TAB_APPEND( p_sys->i_track, (void**)p_sys->track, (void*)tk );
tk->readSource = sub->readSource();
+ tk->rtpSource = sub->rtpSource();
+
+ /* Append */
+ p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
+ p_sys->track[p_sys->i_track++] = tk;
}
else
{
}
}
-
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 )
+ {
+ p_sys->i_length = 0;
+ }
+ else if( p_sys->i_length > 0 )
+ {
+ /* FIXME */
+ /* p_input->stream.p_selected_area->i_size = 1000;*/ /* needed for now */
+ }
+
+ if( p_sys->i_track <= 0 )
+ {
+ msg_Err( p_demux, "no codec supported, aborting" );
+ goto error;
+ }
+
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 );
}
if( p_sys->env )
{
- delete p_sys->env;
+ RECLAIM_ENV(p_sys->env);
}
if( p_sys->scheduler )
{
/*****************************************************************************
* DemuxClose:
*****************************************************************************/
-static void DemuxClose( vlc_object_t *p_this )
+static void Close( 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;
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
int i;
for( i = 0; i < p_sys->i_track; i++ )
{
live_track_t *tk = p_sys->track[i];
+ if( tk->b_muxed )
+ {
+ stream_DemuxDelete( tk->p_out_muxed );
+ }
+ free( tk->p_buffer );
free( tk );
}
if( p_sys->i_track )
{
free( p_sys->track );
}
+ if( p_sys->p_out_asf )
+ {
+ stream_DemuxDelete( p_sys->p_out_asf );
+ }
if( p_sys->rtsp && p_sys->ms )
{
if( p_sys->env )
{
- delete p_sys->env;
+ RECLAIM_ENV(p_sys->env);
}
if( p_sys->scheduler )
{
free( p_sys );
}
-
-static void StreamRead( void *p_private, unsigned int i_size, struct timeval pts );
-static void StreamClose( void *p_private );
-static void TaskInterrupt( void *p_private );
-
/*****************************************************************************
* Demux:
*****************************************************************************/
-static int Demux ( input_thread_t *p_input )
+static int Demux( demux_t *p_demux )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
+ 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;
{
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;
i_pcr = tk->i_pts ;
}
}
- if( i_pcr != p_sys->i_pcr )
+ if( i_pcr != p_sys->i_pcr && i_pcr > 0 )
{
- input_ClockManageRef( p_input,
- p_input->stream.p_selected_program,
- i_pcr * 9 / 100 );
p_sys->i_pcr = i_pcr;
- if( p_sys->i_pcr_start <= 0 || p_sys->i_pcr_start > 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 ) )
{
p_sys->i_pcr_start = i_pcr;
}
if( tk->waiting == 0 )
{
tk->waiting = 1;
- tk->readSource->getNextFrame( tk->buffer, 65536,
+ tk->readSource->getNextFrame( tk->p_buffer, tk->i_buffer,
StreamRead, tk,
StreamClose, tk );
}
}
/* Create a task that will be called if we wait more than 300ms */
- task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_input );
+ task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
/* Do the read */
p_sys->scheduler->doEventLoop( &p_sys->event );
/* remove the task */
p_sys->scheduler->unscheduleDelayedTask( task );
- return p_input->b_error ? 0 : 1;
+ /* Check for gap in pts value */
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ live_track_t *tk = p_sys->track[i];
+
+ if( !tk->b_muxed && !tk->b_rtcp_sync && tk->rtpSource->hasBeenSynchronizedUsingRTCP() )
+ {
+ msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
+
+ es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+ tk->b_rtcp_sync = VLC_TRUE;
+
+ /* reset PCR and PCR start, mmh won't work well for multi-stream I fear */
+ tk->i_pts = 0;
+ p_sys->i_pcr_start = 0;
+ p_sys->i_pcr = 0;
+ i_pcr = 0;
+ }
+ }
+
+ return p_demux->b_error ? 0 : 1;
}
-static int Control( input_thread_t *p_input, int i_query, va_list args )
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
int64_t *pi64;
+ double *pf, f;
+ vlc_bool_t *pb, b_bool;
+ int i;
switch( i_query )
{
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = p_sys->i_pcr - p_sys->i_pcr_start;
+ *pi64 = p_sys->i_pcr - p_sys->i_pcr_start + p_sys->i_start;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_LENGTH:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = p_sys->i_length;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_POSITION:
+ pf = (double*)va_arg( args, double* );
+ if( p_sys->i_length > 0 )
+ {
+ *pf = (double)( p_sys->i_pcr - p_sys->i_pcr_start + p_sys->i_start)/
+ (double)(p_sys->i_length);
+ }
+ else
+ {
+ *pf = 0;
+ }
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_POSITION:
+ {
+ float time;
+
+ f = (double)va_arg( args, double );
+ time = f * (double)p_sys->i_length / 1000000.0; /* in second */
+
+ if( p_sys->rtsp && p_sys->i_length > 0 )
+ {
+ MediaSubsessionIterator *iter = new MediaSubsessionIterator( *p_sys->ms );
+ MediaSubsession *sub;
+ int i;
+
+ while( ( sub = iter->next() ) != NULL )
+ {
+ p_sys->rtsp->playMediaSubsession( *sub, time );
+ }
+ delete iter;
+ p_sys->i_start = (mtime_t)(f * (double)p_sys->i_length);
+ p_sys->i_pcr_start = 0;
+ p_sys->i_pcr = 0;
+
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ p_sys->track[i]->i_pts = 0;
+ }
+ return VLC_SUCCESS;
+ }
+ return VLC_SUCCESS;
+ }
+
+ /* Special for access_demux */
+ case DEMUX_CAN_PAUSE:
+ pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
+ if( p_sys->rtsp && p_sys->i_length )
+ *pb = VLC_TRUE; /* Not always true, but will be handled in SET_PAUSE_STATE */
+ else
+ *pb = VLC_FALSE;
+ return VLC_SUCCESS;
+
+ case DEMUX_CAN_CONTROL_PACE:
+ pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
+ *pb = VLC_FALSE;
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_PAUSE_STATE:
+ double d_npt;
+ MediaSubsessionIterator *iter;
+ MediaSubsession *sub;
+
+ d_npt = ( (double)( p_sys->i_pcr - p_sys->i_pcr_start + p_sys->i_start ) ) / 1000000.00;
+
+ b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t );
+ if( p_sys->rtsp == NULL )
+ return VLC_EGENERIC;
+
+ iter = new MediaSubsessionIterator( *p_sys->ms );
+ while( ( sub = iter->next() ) != NULL )
+ {
+ if( ( b_bool && !p_sys->rtsp->pauseMediaSubsession( *sub ) ) ||
+ ( !b_bool && !p_sys->rtsp->playMediaSubsession( *sub, d_npt > 0 ? d_npt : -1 ) ) )
+ {
+ delete iter;
+ return VLC_EGENERIC;
+ }
+ }
+ delete iter;
+#if 0
+ /* reset PCR and PCR start, mmh won't work well for multi-stream I fear */
+ for( i = 0; i < p_sys->i_track; i++ )
+ {
+ p_sys->track[i]->i_pts = 0;
+ }
+ p_sys->i_pcr_start = 0; /* FIXME Wrong */
+ p_sys->i_pcr = 0;
+#endif
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_TITLE_INFO:
+ case DEMUX_SET_TITLE:
+ case DEMUX_SET_SEEKPOINT:
+ return VLC_EGENERIC;
+
+ case DEMUX_GET_PTS_DELAY:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * I64C(1000);
return VLC_SUCCESS;
default:
- return demux_vaControlDefault( p_input, i_query, args );
+ return VLC_EGENERIC;
}
}
/*****************************************************************************
*
*****************************************************************************/
-static void StreamRead( void *p_private, unsigned int i_size, struct timeval pts )
+static void StreamRead( void *p_private, unsigned int i_size, unsigned int i_truncated_bytes, struct timeval pts, unsigned int duration )
{
live_track_t *tk = (live_track_t*)p_private;
- input_thread_t *p_input = tk->p_input;
- demux_sys_t *p_sys = p_input->p_demux_data;
- pes_packet_t *p_pes;
- data_packet_t *p_data;
+ demux_t *p_demux = tk->p_demux;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ block_t *p_block;
+
+ mtime_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) + (uint64_t)pts.tv_usec;
+
+ /* XXX Beurk beurk beurk Avoid having negative value XXX */
+ i_pts &= UI64C(0x00ffffffffffffff);
+
+ if( tk->b_quicktime && tk->p_es == NULL )
+ {
+ QuickTimeGenericRTPSource *qtRTPSource = (QuickTimeGenericRTPSource*)tk->rtpSource;
+ QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
+ uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
- mtime_t i_pts = (mtime_t)pts.tv_sec * 1000000LL + (mtime_t)pts.tv_usec;
+ if( qtState.sdAtomSize < 16 + 32 )
+ {
+ /* invalid */
+ p_sys->event = 0xff;
+ tk->waiting = 0;
+ return;
+ }
+ tk->fmt.i_codec = VLC_FOURCC( sdAtom[0], sdAtom[1], sdAtom[2], sdAtom[3] );
+ tk->fmt.video.i_width = (sdAtom[28] << 8) | sdAtom[29];
+ tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
+
+ tk->fmt.i_extra = qtState.sdAtomSize - 16;
+ tk->fmt.p_extra = malloc( tk->fmt.i_extra );
+ memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
+
+ tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
+ }
#if 0
fprintf( stderr, "StreamRead size=%d pts=%lld\n",
i_size,
pts.tv_sec * 1000000LL + pts.tv_usec );
#endif
- /* Create a PES */
- if( ( p_pes = input_NewPES( p_input->p_method_data ) ) == NULL )
+
+ /* grow buffer if it looks like buffer is too small, but don't eat
+ * up all the memory on strange streams */
+ if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
+ {
+ void *p_tmp;
+ msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
+ msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
+ tk->i_buffer *= 2;
+ p_tmp = realloc( tk->p_buffer, tk->i_buffer );
+ if (p_tmp == NULL)
+ {
+ msg_Warn( p_demux, "realloc failed" );
+ }
+ else
+ {
+ tk->p_buffer = (uint8_t*)p_tmp;
+ }
+ }
+ if( i_size > tk->i_buffer )
{
- return;
+ msg_Warn( p_demux, "buffer overflow" );
}
/* FIXME could i_size be > buffer size ? */
- p_data = input_NewPacket( p_input->p_method_data, i_size );
+ if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','1') )
+ {
+#if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
+ H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->rtpSource;
+ uint32_t header = h261Source->lastSpecialHeader();
+#else
+ 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->p_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_data->p_payload_start, tk->buffer, i_size );
- p_data->p_payload_end = p_data->p_payload_start + i_size;
+ memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
+ }
+ else
+ {
+ p_block = block_New( p_demux, i_size );
+ memcpy( p_block->p_buffer, tk->p_buffer, i_size );
+ }
+ if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','1') &&
+ tk->rtpSource->curPacketMarkerBit() )
+ {
+ p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
+ }
+ //p_block->i_rate = p_input->stream.control.i_rate;
- p_pes->p_first = p_pes->p_last = p_data;
- p_pes->i_nb_data = 1;
- p_pes->i_pes_size = i_size;
- p_pes->i_rate = p_input->stream.control.i_rate;
+ if( i_pts != tk->i_pts && !tk->b_muxed )
+ {
+ p_block->i_dts = i_pts;
+ p_block->i_pts = i_pts;
+ }
+ //fprintf( stderr, "tk -> dpts=%lld\n", i_pts - tk->i_pts );
- if( i_pts != tk->i_pts )
+ if( tk->b_muxed )
+ {
+ stream_DemuxSend( tk->p_out_muxed, p_block );
+ }
+ else if( tk->b_asf )
{
- p_pes->i_dts =
- p_pes->i_pts = input_ClockGetTS( p_input,
- p_input->stream.p_selected_program,
- i_pts * 9 / 100 );
+ stream_DemuxSend( p_sys->p_out_asf, p_block );
}
else
{
- p_pes->i_dts = 0;
- p_pes->i_pts = 0;
+ es_out_Send( p_demux->out, tk->p_es, p_block );
}
- //fprintf( stderr, "tk -> dpts=%lld\n", i_pts - tk->i_pts );
-
- es_out_Send( p_input->p_es_out, tk->p_es, p_pes );
/* warm that's ok */
p_sys->event = 0xff;
/* we have read data */
tk->waiting = 0;
- tk->i_pts = i_pts;
+ if( i_pts > 0 && !tk->b_muxed )
+ {
+ tk->i_pts = i_pts;
+ }
}
/*****************************************************************************
static void StreamClose( void *p_private )
{
live_track_t *tk = (live_track_t*)p_private;
- input_thread_t *p_input = tk->p_input;
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_t *p_demux = tk->p_demux;
+ demux_sys_t *p_sys = p_demux->p_sys;
fprintf( stderr, "StreamClose\n" );
p_sys->event = 0xff;
- p_input->b_error = VLC_TRUE;
+ p_demux->b_error = VLC_TRUE;
}
*****************************************************************************/
static void TaskInterrupt( void *p_private )
{
- input_thread_t *p_input = (input_thread_t*)p_private;
+ demux_t *p_demux = (demux_t*)p_private;
fprintf( stderr, "TaskInterrupt\n" );
/* Avoid lock */
- p_input->p_demux_data->event = 0xff;
+ 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;
}
projects / vlc / blobdiff