/*****************************************************************************
- * dc1394.c: firewire input module
+ * dc1394.c: IIDC (DCAM) FireWire input module
*****************************************************************************
* Copyright (C) 2006-2009 VideoLAN
*
* Frederic Benoist <fridorik@gmail.com> - updates from Rob's work
*
*****************************************************************************
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2 of the License.
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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 Lesser General Public License for more details.
*
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_input.h>
#include <vlc_demux.h>
-#include <vlc_fs.h>
-#include <vlc_picture.h>
-
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#elif defined( WIN32 ) && !defined( UNDER_CE )
-# include <io.h>
-#endif
-#include <sys/ioctl.h>
-#include <sys/soundcard.h>
-
-#include <libraw1394/raw1394.h>
#include <dc1394/dc1394.h>
#define MAX_IEEE1394_HOSTS 32
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-static int OpenAudioDev( demux_t *p_demux );
-static inline void CloseAudioDev( demux_t *p_demux );
vlc_module_begin()
- set_description( N_("dc1394 input") )
+ set_shortname( N_("DC1394") )
+ set_description( N_("IIDC Digital Camera (FireWire) input") )
set_capability( "access_demux", 10 )
- add_shortcut( "dc1394" )
set_callbacks( Open, Close )
vlc_module_end()
dc1394camera_t *camera;
int selected_camera;
uint64_t selected_uid;
- picture_t pic;
uint32_t dma_buffers;
dc1394featureset_t features;
- quadlet_t supported_framerates;
bool reset_bus;
/* video info */
unsigned int focus;
es_out_id_t *p_es_video;
dc1394video_frame_t *frame;
-
- /* audio stuff */
- int i_sample_rate;
- int channels;
- int i_audio_max_frame_size;
- int fd_audio;
- char *audio_device;
- es_out_id_t *p_es_audio;
};
/*****************************************************************************
static int Demux( demux_t *p_demux );
static int Control( demux_t *, int, va_list );
static block_t *GrabVideo( demux_t *p_demux );
-static block_t *GrabAudio( demux_t *p_demux );
static int process_options( demux_t *p_demux);
/*****************************************************************************
}
if( !found )
{
- msg_Err( p_demux, "Can't find camera with uid : 0x%llx.",
+ msg_Err( p_demux, "Can't find camera with uid : 0x%"PRIx64".",
sys->selected_uid );
goto end;
}
demux_sys_t *p_sys;
es_format_t fmt;
dc1394error_t res;
- int i_width;
- int i_height;
if( strncmp(p_demux->psz_access, "dc1394", 6) != 0 )
return VLC_EGENERIC;
p_sys->frame_rate = DC1394_FRAMERATE_15;
p_sys->brightness = 200;
p_sys->focus = 0;
- p_sys->fd_audio = -1;
p_sys->p_dccontext = NULL;
p_sys->camera = NULL;
p_sys->selected_camera = -1;
/* TODO - UYV444 chroma converter is missing, when it will be available
* fourcc will become variable (and not just a fixed value for UYVY)
*/
- i_width = p_sys->width;
- i_height = p_sys->height;
-
- if( picture_Setup( &p_sys->pic, VLC_CODEC_UYVY,
- i_width, i_height, 1, 1 ) )
- {
- msg_Err( p_demux ,"unknown chroma" );
- Close( p_this );
- return VLC_EGENERIC;
- }
-
es_format_Init( &fmt, VIDEO_ES, VLC_CODEC_UYVY );
- fmt.video.i_width = i_width;
- fmt.video.i_height = i_height;
+ fmt.video.i_width = p_sys->width;
+ fmt.video.i_height = p_sys->height;
msg_Dbg( p_demux, "Added new video es %4.4s %dx%d",
(char*)&fmt.i_codec, fmt.video.i_width, fmt.video.i_height );
p_sys->p_es_video = es_out_Add( p_demux->out, &fmt );
- if( p_sys->audio_device )
- {
- if( OpenAudioDev( p_demux ) == VLC_SUCCESS )
- {
- es_format_t fmt;
- es_format_Init( &fmt, AUDIO_ES, VLC_CODEC_S16L ); /* FIXME: hmm, ?? */
-
- fmt.audio.i_channels = p_sys->channels ? p_sys->channels : 1;
- fmt.audio.i_rate = p_sys->i_sample_rate;
- fmt.audio.i_bitspersample = 16;
- fmt.audio.i_blockalign = fmt.audio.i_channels *
- fmt.audio.i_bitspersample / 8;
- fmt.i_bitrate = fmt.audio.i_channels * fmt.audio.i_rate *
- fmt.audio.i_bitspersample;
-
- msg_Dbg( p_demux, "New audio es %d channels %dHz",
- fmt.audio.i_channels, fmt.audio.i_rate );
-
- p_sys->p_es_audio = es_out_Add( p_demux->out, &fmt );
- }
- }
-
/* have the camera start sending us data */
if( dc1394_video_set_transmission( p_sys->camera,
DC1394_ON ) != DC1394_SUCCESS )
return VLC_SUCCESS;
}
-static int OpenAudioDev( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- char *psz_device = p_sys->audio_device;
- int i_format = AFMT_S16_LE;
- int result;
-
- p_sys->fd_audio = vlc_open( psz_device, O_RDONLY | O_NONBLOCK );
- if( p_sys->fd_audio < 0 )
- {
- msg_Err( p_demux, "Cannot open audio device (%s)", psz_device );
- return VLC_EGENERIC;
- }
-
- if( !p_sys->i_sample_rate )
- p_sys->i_sample_rate = 44100;
-
- result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format );
- if( (result < 0) || (i_format != AFMT_S16_LE) )
- {
- msg_Err( p_demux, "Cannot set audio format (16b little endian) "
- "(%d)", i_format );
- goto error;
- }
-
- result = ioctl( p_sys->fd_audio, SNDCTL_DSP_CHANNELS, &p_sys->channels );
- if( result < 0 )
- {
- msg_Err( p_demux, "Cannot set audio channels count (%d)",
- p_sys->channels );
- goto error;
- }
-
- result = ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED, &p_sys->i_sample_rate );
- if( result < 0 )
- {
- msg_Err( p_demux, "Cannot set audio sample rate (%d)",
- p_sys->i_sample_rate );
- goto error;
- }
-
- msg_Dbg( p_demux, "Opened adev=`%s' %s %dHz",
- psz_device,
- (p_sys->channels > 1) ? "stereo" : "mono",
- p_sys->i_sample_rate );
-
- p_sys->i_audio_max_frame_size = 32 * 1024;
-
- return VLC_SUCCESS;
-
-error:
- CloseAudioDev( p_demux );
- p_sys->fd_audio = -1;
- return VLC_EGENERIC;
-}
-
-static inline void CloseAudioDev( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
-
- if( p_sys->fd_audio >= 0 )
- close( p_sys->fd_audio );
-}
-
/*****************************************************************************
* Close:
*****************************************************************************/
/* Close camera */
dc1394_capture_stop( p_sys->camera );
- CloseAudioDev( p_demux );
-
dc1394_camera_free(p_sys->camera);
dc1394_free(p_sys->p_dccontext);
free( p_sys->video_device );
- free( p_sys->audio_device );
free( p_sys );
}
return NULL;
}
- p_block = block_New( p_demux, p_sys->frame->size[0] *
- p_sys->frame->size[1] * 2 );
+ p_block = block_Alloc( p_sys->frame->size[0] * p_sys->frame->size[1] * 2 );
if( !p_block )
{
msg_Err( p_demux, "Can not get block" );
return p_block;
}
-static block_t *GrabAudio( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- struct audio_buf_info buf_info;
- block_t *p_block = NULL;
- int i_read = 0;
- int i_correct = 0;
- int result = 0;
-
- p_block = block_New( p_demux, p_sys->i_audio_max_frame_size );
- if( !p_block )
- {
- msg_Warn( p_demux, "Cannot get buffer" );
- return NULL;
- }
-
- i_read = read( p_sys->fd_audio, p_block->p_buffer,
- p_sys->i_audio_max_frame_size );
-
- if( i_read <= 0 )
- {
- block_Release( p_block );
- return NULL;
- }
-
- p_block->i_buffer = i_read;
-
- /* Correct the date because of kernel buffering */
- i_correct = i_read;
- result = ioctl( p_sys->fd_audio, SNDCTL_DSP_GETISPACE, &buf_info );
- if( result == 0 )
- i_correct += buf_info.bytes;
-
- p_block->i_pts = p_block->i_dts =
- mdate() - INT64_C(1000000) * (mtime_t)i_correct /
- 2 / p_sys->channels / p_sys->i_sample_rate;
- return p_block;
-}
-
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_blocka = NULL;
block_t *p_blockv = NULL;
- /* Try grabbing audio frames first */
- if( p_sys->fd_audio >= 0 )
- p_blocka = GrabAudio( p_demux );
-
/* Try grabbing video frame */
p_blockv = GrabVideo( p_demux );
- if( !p_blocka && !p_blockv )
+ if( !p_blockv )
{
/* Sleep so we do not consume all the cpu, 10ms seems
* like a good value (100fps)
return 1;
}
- if( p_blocka )
- {
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blocka->i_pts );
- es_out_Send( p_demux->out, p_sys->p_es_audio, p_blocka );
- }
-
if( p_blockv )
{
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blockv->i_pts );
p_sys->video_device = strdup(token);
msg_Dbg( p_demux, "Using video device '%s'.", token );
}
- else if( strncmp( token, "adev=", strlen( "adev=" ) ) == 0 )
- {
- token += strlen("adev=");
- p_sys->audio_device = strdup(token);
- msg_Dbg( p_demux, "Using audio device '%s'.", token );
- }
- else if( strncmp( token, "samplerate=", strlen( "samplerate=" ) ) == 0 )
- {
- token += strlen("samplerate=");
- sscanf( token, "%d", &p_sys->i_sample_rate );
- }
- else if( strncmp( token, "channels=", strlen("channels=" ) ) == 0 )
- {
- token += strlen("channels=");
- sscanf( token, "%d", &p_sys->channels );
- }
else if( strncmp( token, "focus=", strlen("focus=" ) ) == 0)
{
int nr = 0;
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