#include <vlc_plugin.h>
#include <vlc_access.h>
#include <vlc_charset.h>
+#include <vlc_fs.h>
#include <vlc_demux.h>
#include <vlc_input.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
-#include <linux/videodev2.h>
+#if defined(HAVE_LINUX_VIDEODEV2_H)
+# include <linux/videodev2.h>
+#elif defined(HAVE_SYS_VIDEOIO_H)
+# include <sys/videoio.h>
+#else
+# error "No Video4Linux2 headers found."
+#endif
#include <poll.h>
#define V4L2_DEFAULT "/dev/video0"
#define CFG_PREFIX "v4l2-"
+#ifdef HAVE_MAEMO
+# define DEFAULT_WIDTH 640
+# define DEFAULT_HEIGHT 492
+#endif
+
+#ifndef DEFAULT_WIDTH
+# define DEFAULT_WIDTH (-1)
+# define DEFAULT_HEIGHT (-1)
+#endif
+
vlc_module_begin ()
set_shortname( N_("Video4Linux2") )
set_description( N_("Video4Linux2 input") )
set_subcategory( SUBCAT_INPUT_ACCESS )
set_section( N_( "Video input" ), NULL )
- add_integer( CFG_PREFIX "standard", 0, NULL, STANDARD_TEXT,
+ add_integer( CFG_PREFIX "standard", 0, STANDARD_TEXT,
STANDARD_LONGTEXT, false )
- change_integer_list( i_standards_list, psz_standards_list_text, NULL )
- add_string( CFG_PREFIX "chroma", NULL, NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
+ change_integer_list( i_standards_list, psz_standards_list_text )
+ add_string( CFG_PREFIX "chroma", NULL, CHROMA_TEXT, CHROMA_LONGTEXT,
true )
- add_integer( CFG_PREFIX "input", 0, NULL, INPUT_TEXT, INPUT_LONGTEXT,
+ add_integer( CFG_PREFIX "input", 0, INPUT_TEXT, INPUT_LONGTEXT,
true )
- add_integer( CFG_PREFIX "audio-input", 0, NULL, AUDIO_INPUT_TEXT,
+ add_integer( CFG_PREFIX "audio-input", 0, AUDIO_INPUT_TEXT,
AUDIO_INPUT_LONGTEXT, true )
- add_integer( CFG_PREFIX "io", IO_METHOD_AUTO, NULL, IOMETHOD_TEXT,
+ add_integer( CFG_PREFIX "io", IO_METHOD_AUTO, IOMETHOD_TEXT,
IOMETHOD_LONGTEXT, true )
- change_integer_list( i_iomethod_list, psz_iomethod_list_text, NULL )
- add_integer( CFG_PREFIX "width", -1, NULL, WIDTH_TEXT,
+ change_integer_list( i_iomethod_list, psz_iomethod_list_text )
+ add_integer( CFG_PREFIX "width", DEFAULT_WIDTH, WIDTH_TEXT,
WIDTH_LONGTEXT, true )
- add_integer( CFG_PREFIX "height", -1, NULL, HEIGHT_TEXT,
+ add_integer( CFG_PREFIX "height", DEFAULT_HEIGHT, HEIGHT_TEXT,
HEIGHT_LONGTEXT, true )
- add_string( CFG_PREFIX "aspect-ratio", "4:3", NULL, ASPECT_TEXT,
+ add_string( CFG_PREFIX "aspect-ratio", "4:3", ASPECT_TEXT,
ASPECT_LONGTEXT, true )
- add_float( CFG_PREFIX "fps", 0, NULL, FPS_TEXT, FPS_LONGTEXT, true )
- add_integer( CFG_PREFIX "caching", 50 /* ms */, NULL,
+ add_float( CFG_PREFIX "fps", 0, FPS_TEXT, FPS_LONGTEXT, true )
+ add_integer( CFG_PREFIX "caching", DEFAULT_PTS_DELAY / 1000,
CACHING_TEXT, CACHING_LONGTEXT, true )
#ifdef HAVE_LIBV4L2
- add_bool( CFG_PREFIX "use-libv4l2", false, NULL, LIBV4L2_TEXT, LIBV4L2_LONGTEXT, true );
+ add_bool( CFG_PREFIX "use-libv4l2", false, LIBV4L2_TEXT, LIBV4L2_LONGTEXT, true );
#endif
set_section( N_( "Tuner" ), NULL )
- add_integer( CFG_PREFIX "tuner", 0, NULL, TUNER_TEXT, TUNER_LONGTEXT,
+ add_integer( CFG_PREFIX "tuner", 0, TUNER_TEXT, TUNER_LONGTEXT,
true )
- add_integer( CFG_PREFIX "tuner-frequency", -1, NULL, FREQUENCY_TEXT,
+ add_integer( CFG_PREFIX "tuner-frequency", -1, FREQUENCY_TEXT,
FREQUENCY_LONGTEXT, true )
- add_integer( CFG_PREFIX "tuner-audio-mode", -1, NULL, TUNER_AUDIO_MODE_TEXT,
+ add_integer( CFG_PREFIX "tuner-audio-mode", -1, TUNER_AUDIO_MODE_TEXT,
TUNER_AUDIO_MODE_LONGTEXT, true )
change_integer_list( i_tuner_audio_modes_list,
- psz_tuner_audio_modes_list_text, 0 )
+ psz_tuner_audio_modes_list_text )
set_section( N_( "Controls" ),
N_( "v4l2 driver controls, if supported by your v4l2 driver." ) )
- add_bool( CFG_PREFIX "controls-reset", false, NULL, CTRL_RESET_TEXT,
+ add_bool( CFG_PREFIX "controls-reset", false, CTRL_RESET_TEXT,
CTRL_RESET_LONGTEXT, true )
- add_integer( CFG_PREFIX "brightness", -1, NULL, BRIGHTNESS_TEXT,
+ add_integer( CFG_PREFIX "brightness", -1, BRIGHTNESS_TEXT,
BRIGHTNESS_LONGTEXT, true )
- add_integer( CFG_PREFIX "contrast", -1, NULL, CONTRAST_TEXT,
+ add_integer( CFG_PREFIX "contrast", -1, CONTRAST_TEXT,
CONTRAST_LONGTEXT, true )
- add_integer( CFG_PREFIX "saturation", -1, NULL, SATURATION_TEXT,
+ add_integer( CFG_PREFIX "saturation", -1, SATURATION_TEXT,
SATURATION_LONGTEXT, true )
- add_integer( CFG_PREFIX "hue", -1, NULL, HUE_TEXT,
+ add_integer( CFG_PREFIX "hue", -1, HUE_TEXT,
HUE_LONGTEXT, true )
- add_integer( CFG_PREFIX "black-level", -1, NULL, BLACKLEVEL_TEXT,
+ add_integer( CFG_PREFIX "black-level", -1, BLACKLEVEL_TEXT,
BLACKLEVEL_LONGTEXT, true )
- add_integer( CFG_PREFIX "auto-white-balance", -1, NULL,
+ add_integer( CFG_PREFIX "auto-white-balance", -1,
AUTOWHITEBALANCE_TEXT, AUTOWHITEBALANCE_LONGTEXT, true )
- add_integer( CFG_PREFIX "do-white-balance", -1, NULL, DOWHITEBALANCE_TEXT,
+ add_integer( CFG_PREFIX "do-white-balance", -1, DOWHITEBALANCE_TEXT,
DOWHITEBALANCE_LONGTEXT, true )
- add_integer( CFG_PREFIX "red-balance", -1, NULL, REDBALANCE_TEXT,
+ add_integer( CFG_PREFIX "red-balance", -1, REDBALANCE_TEXT,
REDBALANCE_LONGTEXT, true )
- add_integer( CFG_PREFIX "blue-balance", -1, NULL, BLUEBALANCE_TEXT,
+ add_integer( CFG_PREFIX "blue-balance", -1, BLUEBALANCE_TEXT,
BLUEBALANCE_LONGTEXT, true )
- add_integer( CFG_PREFIX "gamma", -1, NULL, GAMMA_TEXT,
+ add_integer( CFG_PREFIX "gamma", -1, GAMMA_TEXT,
GAMMA_LONGTEXT, true )
- add_integer( CFG_PREFIX "exposure", -1, NULL, EXPOSURE_TEXT,
+ add_integer( CFG_PREFIX "exposure", -1, EXPOSURE_TEXT,
EXPOSURE_LONGTEXT, true )
- add_integer( CFG_PREFIX "autogain", -1, NULL, AUTOGAIN_TEXT,
+ add_integer( CFG_PREFIX "autogain", -1, AUTOGAIN_TEXT,
AUTOGAIN_LONGTEXT, true )
- add_integer( CFG_PREFIX "gain", -1, NULL, GAIN_TEXT,
+ add_integer( CFG_PREFIX "gain", -1, GAIN_TEXT,
GAIN_LONGTEXT, true )
- add_integer( CFG_PREFIX "hflip", -1, NULL, HFLIP_TEXT,
+ add_integer( CFG_PREFIX "hflip", -1, HFLIP_TEXT,
HFLIP_LONGTEXT, true )
- add_integer( CFG_PREFIX "vflip", -1, NULL, VFLIP_TEXT,
+ add_integer( CFG_PREFIX "vflip", -1, VFLIP_TEXT,
VFLIP_LONGTEXT, true )
- add_integer( CFG_PREFIX "hcenter", -1, NULL, HCENTER_TEXT,
+ add_integer( CFG_PREFIX "hcenter", -1, HCENTER_TEXT,
HCENTER_LONGTEXT, true )
- add_integer( CFG_PREFIX "vcenter", -1, NULL, VCENTER_TEXT,
+ add_integer( CFG_PREFIX "vcenter", -1, VCENTER_TEXT,
VCENTER_LONGTEXT, true )
- add_integer( CFG_PREFIX "audio-volume", -1, NULL, AUDIO_VOLUME_TEXT,
+ add_integer( CFG_PREFIX "audio-volume", -1, AUDIO_VOLUME_TEXT,
AUDIO_VOLUME_LONGTEXT, true )
- add_integer( CFG_PREFIX "audio-balance", -1, NULL, AUDIO_BALANCE_TEXT,
+ add_integer( CFG_PREFIX "audio-balance", -1, AUDIO_BALANCE_TEXT,
AUDIO_BALANCE_LONGTEXT, true )
- add_bool( CFG_PREFIX "audio-mute", false, NULL, AUDIO_MUTE_TEXT,
+ add_bool( CFG_PREFIX "audio-mute", false, AUDIO_MUTE_TEXT,
AUDIO_MUTE_LONGTEXT, true )
- add_integer( CFG_PREFIX "audio-bass", -1, NULL, AUDIO_BASS_TEXT,
+ add_integer( CFG_PREFIX "audio-bass", -1, AUDIO_BASS_TEXT,
AUDIO_BASS_LONGTEXT, true )
- add_integer( CFG_PREFIX "audio-treble", -1, NULL, AUDIO_TREBLE_TEXT,
+ add_integer( CFG_PREFIX "audio-treble", -1, AUDIO_TREBLE_TEXT,
AUDIO_TREBLE_LONGTEXT, true )
- add_integer( CFG_PREFIX "audio-loudness", -1, NULL, AUDIO_LOUDNESS_TEXT,
+ add_integer( CFG_PREFIX "audio-loudness", -1, AUDIO_LOUDNESS_TEXT,
AUDIO_LOUDNESS_LONGTEXT, true )
- add_string( CFG_PREFIX "set-ctrls", NULL, NULL, S_CTRLS_TEXT,
+ add_string( CFG_PREFIX "set-ctrls", NULL, S_CTRLS_TEXT,
S_CTRLS_LONGTEXT, true )
add_obsolete_string( CFG_PREFIX "dev" )
set_callbacks( DemuxOpen, DemuxClose )
add_submodule ()
- add_shortcut( "v4l2" )
- add_shortcut( "v4l2c" )
+ add_shortcut( "v4l2", "v4l2c" )
set_description( N_("Video4Linux2 Compressed A/V") )
set_capability( "access", 0 )
/* use these when open as access_demux fails; VLC will use another demux */
int i_height;
unsigned int i_aspect;
float f_fps; /* <= 0.0 mean to grab at full rate */
- mtime_t i_video_pts; /* only used when f_fps > 0 */
int i_fourcc;
uint32_t i_block_flags;
/* Controls */
char *psz_set_ctrls;
-
#ifdef HAVE_LIBV4L2
/* */
int (*pf_open)(const char *, int, ...);
#ifdef HAVE_LIBV4L2
static void use_kernel_v4l2( demux_sys_t *p_sys )
{
- p_sys->pf_open = utf8_open;
+ p_sys->pf_open = vlc_open;
p_sys->pf_close = close;
p_sys->pf_dup = dup;
p_sys->pf_ioctl = ioctl;
# define v4l2_mmap (p_sys->pf_mmap)
# define v4l2_munmap (p_sys->pf_munmap)
#else
-# define v4l2_open utf8_open
+# define v4l2_open vlc_open
# define v4l2_close close
# define v4l2_dup dup
# define v4l2_ioctl ioctl
GetV4L2Params(p_sys, (vlc_object_t *) p_demux);
- ParseMRL( p_sys, p_demux->psz_path, (vlc_object_t *) p_demux );
+ ParseMRL( p_sys, p_demux->psz_location, (vlc_object_t *) p_demux );
#ifdef HAVE_LIBV4L2
- if( !config_GetInt( p_this, CFG_PREFIX "use-libv4l2" ) )
+ if( !var_InheritBool( p_this, CFG_PREFIX "use-libv4l2" ) )
{
msg_Dbg( p_this, "Trying direct kernel v4l2" );
use_kernel_v4l2( p_sys );
*****************************************************************************/
static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
{
- p_sys->i_video_pts = -1;
-
p_sys->i_selected_standard_id =
i_standards_list[var_CreateGetInteger( p_obj, "v4l2-standard" )];
GetV4L2Params( p_sys, (vlc_object_t *) p_access );
- ParseMRL( p_sys, p_access->psz_path, (vlc_object_t *) p_access );
+ ParseMRL( p_sys, p_access->psz_location, (vlc_object_t *) p_access );
#ifdef HAVE_LIBV4L2
- if( !config_GetInt( p_this, CFG_PREFIX "use-libv4l2" ) )
+ if( !var_InheritBool( p_this, CFG_PREFIX "use-libv4l2" ) )
{
msg_Dbg( p_this, "Trying direct kernel v4l2" );
use_kernel_v4l2( p_sys );
fd.revents = 0;
/* Wait for data */
- if( poll( &fd, 1, 500 ) ) /* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
- {
- if( fd.revents & (POLLIN|POLLPRI) )
- {
- return GrabVideo( VLC_OBJECT(p_access), p_sys );
- }
- }
+ if( poll( &fd, 1, 500 ) > 0 ) /* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
+ return GrabVideo( VLC_OBJECT(p_access), p_sys );
return NULL;
}
if( i_ret < 0 )
{
- msg_Err( p_access, "Polling error (%m)." );
+ if( errno != EINTR )
+ msg_Err( p_access, "poll error" );
return -1;
}
fd.revents = 0;
/* Wait for data */
- if( poll( &fd, 1, 500 ) ) /* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
- {
- if( fd.revents & (POLLIN|POLLPRI) )
+ /* Timeout after 0.5 seconds since I don't know if pf_demux can be blocking. */
+ while( poll( &fd, 1, 500 ) == -1 )
+ if( errno != EINTR )
{
- block_t *p_block = GrabVideo( VLC_OBJECT(p_demux), p_sys );
- if( p_block )
- {
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
- es_out_Send( p_demux->out, p_sys->p_es, p_block );
- }
+ msg_Err( p_demux, "poll error: %m" );
+ return -1;
+ }
+
+ if( fd.revents )
+ {
+ block_t *p_block = GrabVideo( VLC_OBJECT(p_demux), p_sys );
+ if( p_block )
+ {
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
+ es_out_Send( p_demux->out, p_sys->p_es, p_block );
}
}
*****************************************************************************/
static block_t* GrabVideo( vlc_object_t *p_demux, demux_sys_t *p_sys )
{
- block_t *p_block = NULL;
+ block_t *p_block;
struct v4l2_buffer buf;
ssize_t i_ret;
- if( p_sys->f_fps >= 0.1 && p_sys->i_video_pts > 0 )
- {
- mtime_t i_dur = (mtime_t)((double)1000000 / (double)p_sys->f_fps);
-
- /* Did we wait long enough ? (frame rate reduction) */
- if( p_sys->i_video_pts + i_dur > mdate() ) return 0;
- }
-
/* Grab Video Frame */
switch( p_sys->io )
{
switch( errno )
{
case EAGAIN:
- return 0;
+ return NULL;
case EIO:
/* Could ignore EIO, see spec. */
/* fall through */
}
p_block = ProcessVideoFrame( p_demux, (uint8_t*)p_sys->p_buffers[0].start, i_ret );
- if( !p_block ) return 0;
+ if( !p_block )
+ return NULL;
break;
switch( errno )
{
case EAGAIN:
- return 0;
+ return NULL;
case EIO:
/* Could ignore EIO, see spec. */
/* fall through */
default:
msg_Err( p_demux, "Failed to wait (VIDIOC_DQBUF)" );
- return 0;
+ return NULL;
}
}
if( buf.index >= p_sys->i_nbuffers ) {
msg_Err( p_demux, "Failed capturing new frame as i>=nbuffers" );
- return 0;
+ return NULL;
}
p_block = ProcessVideoFrame( p_demux, p_sys->p_buffers[buf.index].start, buf.bytesused );
- if( !p_block ) return 0;
+ if( !p_block )
+ return NULL;
/* Unlock */
if( v4l2_ioctl( p_sys->i_fd, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "Failed to unlock (VIDIOC_QBUF)" );
block_Release( p_block );
- return 0;
+ return NULL;
}
break;
switch( errno )
{
case EAGAIN:
- return 0;
+ return NULL;
case EIO:
/* Could ignore EIO, see spec. */
/* fall through */
default:
msg_Err( p_demux, "Failed to wait (VIDIOC_DQBUF)" );
- return 0;
+ return NULL;
}
}
if( i >= p_sys->i_nbuffers )
{
msg_Err( p_demux, "Failed capturing new frame as i>=nbuffers" );
- return 0;
+ return NULL;
}
p_block = ProcessVideoFrame( p_demux, (uint8_t*)buf.m.userptr, buf.bytesused );
- if( !p_block ) return 0;
+ if( !p_block )
+ return NULL;
/* Unlock */
if( v4l2_ioctl( p_sys->i_fd, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "Failed to unlock (VIDIOC_QBUF)" );
block_Release( p_block );
- return 0;
+ return NULL;
}
break;
default:
- break;
+ return NULL;
}
/* Timestamp */
- p_sys->i_video_pts = p_block->i_pts = p_block->i_dts = mdate();
+ p_block->i_pts = p_block->i_dts = mdate();
p_block->i_flags |= p_sys->i_block_flags;
return p_block;
{
block_t *p_block;
- if( !p_frame ) return 0;
+ if( !p_frame ) return NULL;
/* New block */
if( !( p_block = block_New( p_demux, i_size ) ) )
{
msg_Warn( p_demux, "Cannot get new block" );
- return 0;
+ return NULL;
}
/* Copy frame */
char psz_fourcc[5];
memset( &psz_fourcc, 0, sizeof( psz_fourcc ) );
vlc_fourcc_to_char( p_sys->i_fourcc, &psz_fourcc );
- msg_Dbg( p_obj, "supported frame intervals for %4s, %dx%d:",
+ msg_Dbg( p_obj, "supported frame intervals for %4.4s, %dx%d:",
psz_fourcc, frmival.width, frmival.height );
switch( frmival.type )
{
es_fmt.video.i_height = p_sys->i_height;
/* Get aspect-ratio */
- es_fmt.video.i_aspect = p_sys->i_aspect;
+ es_fmt.video.i_sar_num = p_sys->i_aspect * es_fmt.video.i_height;
+ es_fmt.video.i_sar_den = VOUT_ASPECT_FACTOR * es_fmt.video.i_width;
+
+ /* Framerate */
+ es_fmt.video.i_frame_rate = p_sys->f_fps * INT64_C(1000000);
+ es_fmt.video.i_frame_rate_base = INT64_C(1000000);
demux_t *p_demux = (demux_t *) p_obj;
msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
msg_Dbg( p_obj, "device supports hardware frequency seeking" );
#endif
if( p_sys->dev_cap.capabilities & V4L2_CAP_VBI_CAPTURE )
- msg_Dbg( p_obj, "device support raw VBI capture" );
+ msg_Dbg( p_obj, "device supports raw VBI capture" );
if( p_sys->dev_cap.capabilities & V4L2_CAP_SLICED_VBI_CAPTURE )
- msg_Dbg( p_obj, "device support sliced VBI capture" );
+ msg_Dbg( p_obj, "device supports sliced VBI capture" );
/* Now, enumerate all the video inputs. This is useless at the moment
since we have no way to present that info to the user except with
p_sys->i_input = 0;
while( v4l2_ioctl( i_fd, VIDIOC_ENUMINPUT, &t_input ) >= 0 )
{
+ if( t_input.index != p_sys->i_input )
+ break;
p_sys->i_input++;
t_input.index = p_sys->i_input;
}
p_sys->i_standard = 0;
while( v4l2_ioctl( i_fd, VIDIOC_ENUMSTD, &t_standards ) >=0 )
{
+ if( t_standards.index != p_sys->i_standard )
+ break;
p_sys->i_standard++;
t_standards.index = p_sys->i_standard;
}
p_sys->i_tuner = 0;
while( v4l2_ioctl( i_fd, VIDIOC_G_TUNER, &tuner ) >= 0 )
{
+ if( tuner.index != p_sys->i_tuner )
+ break;
p_sys->i_tuner++;
memset( &tuner, 0, sizeof(tuner) );
tuner.index = p_sys->i_tuner;
while( v4l2_ioctl( i_fd, VIDIOC_ENUM_FMT, &codec ) >= 0 )
{
+ if( codec.index != i_index )
+ break;
i_index++;
codec.index = i_index;
}
memset( &psz_fourcc, 0, sizeof( psz_fourcc ) );
vlc_fourcc_to_char( v4l2chroma_to_fourcc[i].i_fourcc,
&psz_fourcc );
- msg_Dbg( p_obj, "device supports chroma %4s [%s, %s]",
+ msg_Dbg( p_obj, "device supports chroma %4.4s [%s, %s]",
psz_fourcc,
p_sys->p_codecs[i_index].description,
psz_fourcc_v4l2 );
if( !b_codec_supported )
{
msg_Dbg( p_obj,
- "device codec %4s (%s) not supported",
+ "device codec %4.4s (%s) not supported",
psz_fourcc_v4l2,
p_sys->p_codecs[i_index].description );
}
projects / vlc / blobdiff