"Reset controls to defaults provided by the v4l2 driver." )
#define BRIGHTNESS_TEXT N_( "Brightness" )
#define BRIGHTNESS_LONGTEXT N_( \
- "Brightness of the video input (if supported by v4l2 driver)." )
+ "Brightness of the video input (if supported by the v4l2 driver)." )
#define CONTRAST_TEXT N_( "Contrast" )
#define CONTRAST_LONGTEXT N_( \
- "Contrast of the video input (if supported by v4l2 driver)." )
+ "Contrast of the video input (if supported by the v4l2 driver)." )
#define SATURATION_TEXT N_( "Saturation" )
#define SATURATION_LONGTEXT N_( \
- "Saturation of the video input (if supported by v4l2 driver)." )
+ "Saturation of the video input (if supported by the v4l2 driver)." )
#define HUE_TEXT N_( "Hue" )
#define HUE_LONGTEXT N_( \
- "Hue of the video input (if supported by v4l2 driver)." )
+ "Hue of the video input (if supported by the v4l2 driver)." )
+#define BLACKLEVEL_TEXT N_( "Black level" )
+#define BLACKLEVEL_LONGTEXT N_( \
+ "Black level of the video input (if supported by the v4l2 driver)." )
+#define AUTOWHITEBALANCE_TEXT N_( "Auto white balance" )
+#define AUTOWHITEBALANCE_LONGTEXT N_( \
+ "Automatically set the white balance of the video input " \
+ "(if supported by the v4l2 driver)." )
+#define DOWHITEBALANCE_TEXT N_( "Do white balance" )
+#define DOWHITEBALANCE_LONGTEXT N_( \
+ "Trigger a white balancing action, useless if auto white balance is " \
+ "activated (if supported by the v4l2 driver)." )
+#define REDBALANCE_TEXT N_( "Red balance" )
+#define REDBALANCE_LONGTEXT N_( \
+ "Red balance of the video input (if supported by the v4l2 driver)." )
+#define BLUEBALANCE_TEXT N_( "Blue balance" )
+#define BLUEBALANCE_LONGTEXT N_( \
+ "Blue balance of the video input (if supported by the v4l2 driver)." )
#define GAMMA_TEXT N_( "Gamma" )
#define GAMMA_LONGTEXT N_( \
- "Gamma of the video input (if supported by v4l2 driver)." )
+ "Gamma of the video input (if supported by the v4l2 driver)." )
+#define EXPOSURE_TEXT N_( "Exposure" )
+#define EXPOSURE_LONGTEXT N_( \
+ "Exposure of the video input (if supported by the v4L2 driver)." )
+#define AUTOGAIN_TEXT N_( "Auto gain" )
+#define AUTOGAIN_LONGTEXT N_( \
+ "Automatically set the video input's gain (if supported by the " \
+ "v4l2 driver)." )
+#define GAIN_TEXT N_( "Gain" )
+#define GAIN_LONGTEXT N_( \
+ "Video input's gain (if supported by the v4l2 driver)." )
+#define HFLIP_TEXT N_( "Horizontal flip" )
+#define HFLIP_LONGTEXT N_( \
+ "Flip the video horizontally (if supported by the v4l2 driver)." )
+#define VFLIP_TEXT N_( "Vertical flip" )
+#define VFLIP_LONGTEXT N_( \
+ "Flip the video vertically (if supported by the v4l2 driver)." )
+#define HCENTER_TEXT N_( "Horizontal centering" )
+#define HCENTER_LONGTEXT N_( \
+ "Set the camera's horizontal centering (if supported by the v4l2 driver)." )
+#define VCENTER_TEXT N_( "Vertical centering" )
+#define VCENTER_LONGTEXT N_( \
+ "Set the camera's vertical centering (if supported by the v4l2 driver)." )
#define ADEV_TEXT N_("Audio device name")
#ifndef HAVE_ALSA
add_integer( CFG_PREFIX "caching", DEFAULT_PTS_DELAY / 1000, NULL,
CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- set_section( N_( "Controls" ), N_( "v4l2 driver controls" ) );
+ set_section( N_( "Controls" ),
+ N_( "v4l2 driver controls, if supported by your v4l2 driver." ) );
add_bool( CFG_PREFIX "controls-reset", VLC_FALSE, NULL, CTRL_RESET_TEXT,
CTRL_RESET_LONGTEXT, VLC_TRUE );
add_integer( CFG_PREFIX "brightness", -1, NULL, BRIGHTNESS_TEXT,
- BRIGHTNESS_LONGTEXT, VLC_TRUE );
+ BRIGHTNESS_LONGTEXT, VLC_TRUE );
add_integer( CFG_PREFIX "contrast", -1, NULL, CONTRAST_TEXT,
- CONTRAST_LONGTEXT, VLC_TRUE );
+ CONTRAST_LONGTEXT, VLC_TRUE );
add_integer( CFG_PREFIX "saturation", -1, NULL, SATURATION_TEXT,
- SATURATION_LONGTEXT, VLC_TRUE );
+ SATURATION_LONGTEXT, VLC_TRUE );
add_integer( CFG_PREFIX "hue", -1, NULL, HUE_TEXT,
- HUE_LONGTEXT, VLC_TRUE );
+ HUE_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "black-level", -1, NULL, BLACKLEVEL_TEXT,
+ BLACKLEVEL_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "auto-white-balance", -1, NULL,
+ AUTOWHITEBALANCE_TEXT, AUTOWHITEBALANCE_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "do-white-balance", -1, NULL, DOWHITEBALANCE_TEXT,
+ DOWHITEBALANCE_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "red-balance", -1, NULL, REDBALANCE_TEXT,
+ REDBALANCE_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "blue-balance", -1, NULL, BLUEBALANCE_TEXT,
+ BLUEBALANCE_LONGTEXT, VLC_TRUE );
add_integer( CFG_PREFIX "gamma", -1, NULL, GAMMA_TEXT,
- GAMMA_LONGTEXT, VLC_TRUE );
-
+ GAMMA_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "exposure", -1, NULL, EXPOSURE_TEXT,
+ EXPOSURE_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "autogain", -1, NULL, AUTOGAIN_TEXT,
+ AUTOGAIN_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "gain", -1, NULL, GAIN_TEXT,
+ GAIN_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "hflip", -1, NULL, HFLIP_TEXT,
+ HFLIP_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "vflip", -1, NULL, VFLIP_TEXT,
+ VFLIP_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "hcenter", -1, NULL, HCENTER_TEXT,
+ HCENTER_LONGTEXT, VLC_TRUE );
+ add_integer( CFG_PREFIX "vcenter", -1, NULL, VCENTER_TEXT,
+ VCENTER_LONGTEXT, VLC_TRUE );
add_shortcut( "v4l2" );
set_capability( "access_demux", 10 );
{ V4L2_PIX_FMT_UYVY, VLC_FOURCC('U','Y','V','Y') },
{ V4L2_PIX_FMT_Y41P, VLC_FOURCC('I','4','1','N') },
{ V4L2_PIX_FMT_YUV422P, VLC_FOURCC('I','4','2','2') },
- { V4L2_PIX_FMT_YVU420, VLC_FOURCC('I','4','2','0') },
+ { V4L2_PIX_FMT_YVU420, VLC_FOURCC('Y','V','1','2') },
{ V4L2_PIX_FMT_YUV411P, VLC_FOURCC('I','4','1','1') },
{ V4L2_PIX_FMT_YUV410, VLC_FOURCC('I','4','1','0') },
+
+ /* Raw data types, not in V4L2 spec but still in videodev2.h and supported
+ * by VLC */
+ { V4L2_PIX_FMT_YUV420, VLC_FOURCC('I','4','2','0') },
+ { V4L2_PIX_FMT_RGB444, VLC_FOURCC('R','V','3','2') },
+
/* Compressed data types */
{ V4L2_PIX_FMT_MJPEG, VLC_FOURCC('M','J','P','G') },
#if 0
{ 0, 0 }
};
+/**
+ * List of V4L2 chromas were confident enough to use as fallbacks if the
+ * user hasn't provided a --v4l2-chroma value.
+ */
+static const __u32 p_chroma_fallbacks[] =
+{ V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_YVU420, V4L2_PIX_FMT_YUV422P,
+ V4L2_PIX_FMT_YUYV, V4L2_PIX_FMT_MJPEG };
+
static struct
{
const char *psz_name;
for( int i_index = 0; i_index < p_sys->i_codec; i_index++ )
{
- if( p_sys->p_codecs[i_index].pixelformat == i_pixelformat ) return VLC_TRUE;
+ if( p_sys->p_codecs[i_index].pixelformat == i_pixelformat )
+ return VLC_TRUE;
}
return VLC_FALSE;
/* This also decides if MPEG encoder card or not */
if( !fmt.fmt.pix.pixelformat )
{
- fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YVU420;
- if( !IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat ) || ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 )
+ unsigned int i;
+ for( i = 0; i < ARRAY_SIZE( p_chroma_fallbacks ); i++ )
{
- fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P;
- if( !IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat ) || ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 )
- {
- fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
- if( !IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat ) || ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 )
- {
- msg_Warn( p_demux, "Could not select any of the default chromas; attempting to open as MPEG encoder card (access2)" );
- goto open_failed;
- }
- }
+ fmt.fmt.pix.pixelformat = p_chroma_fallbacks[i];
+ if( IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat )
+ && ioctl( i_fd, VIDIOC_S_FMT, &fmt ) >= 0 )
+ break;
+ }
+ if( i == ARRAY_SIZE( p_chroma_fallbacks ) )
+ {
+ msg_Warn( p_demux, "Could not select any of the default chromas; attempting to open as MPEG encoder card (access2)" );
+ goto open_failed;
}
}
frmival.height = p_sys->i_height;
if( ioctl( i_fd, VIDIOC_ENUM_FRAMEINTERVALS, &frmival ) >= 0 )
{
- char sz_fourcc[5];
- memset( &sz_fourcc, 0, sizeof( sz_fourcc ) );
- vlc_fourcc_to_char( p_sys->i_fourcc, &sz_fourcc );
+ char psz_fourcc[5];
+ memset( &psz_fourcc, 0, sizeof( psz_fourcc ) );
+ vlc_fourcc_to_char( p_sys->i_fourcc, &psz_fourcc );
msg_Dbg( p_demux, "supported frame intervals for %4s, %dx%d:",
- sz_fourcc, frmival.width, frmival.height );
+ psz_fourcc, frmival.width, frmival.height );
switch( frmival.type )
{
case V4L2_FRMIVAL_TYPE_DISCRETE:
}
/* only print if vlc supports the format */
+ char psz_fourcc_v4l2[5];
+ memset( &psz_fourcc_v4l2, 0, sizeof( psz_fourcc_v4l2 ) );
+ vlc_fourcc_to_char( p_sys->p_codecs[i_index].pixelformat,
+ &psz_fourcc_v4l2 );
vlc_bool_t b_codec_supported = VLC_FALSE;
for( int i = 0; v4l2chroma_to_fourcc[i].i_v4l2 != 0; i++ )
{
{
b_codec_supported = VLC_TRUE;
- char sz_fourcc[5];
- memset( &sz_fourcc, 0, sizeof( sz_fourcc ) );
- vlc_fourcc_to_char( v4l2chroma_to_fourcc[i].i_fourcc, &sz_fourcc );
- msg_Dbg( p_obj, "device supports chroma %4s [%s]",
- sz_fourcc,
- p_sys->p_codecs[i_index].description );
+ char psz_fourcc[5];
+ 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]",
+ psz_fourcc,
+ p_sys->p_codecs[i_index].description,
+ psz_fourcc_v4l2 );
#ifdef VIDIOC_ENUM_FRAMESIZES
/* This is new in Linux 2.6.19 */
}
if( !b_codec_supported )
{
- char psz_fourcc[5];
- memset( &psz_fourcc, 0, sizeof( psz_fourcc ) );
- vlc_fourcc_to_char( p_sys->p_codecs[i_index].pixelformat,
- &psz_fourcc );
msg_Dbg( p_obj,
"device codec %4s (%s) not supported as access_demux",
- psz_fourcc, p_sys->p_codecs[i_index].description );
+ psz_fourcc_v4l2,
+ p_sys->p_codecs[i_index].description );
}
}
projects / vlc / commitdiff