Skip to content

V
vlc-gpu
Commit 06bf999c authored by Antoine Cellerier's avatar Antoine Cellerier
Browse files
Options

Add v4l2-gamma control. Also print control details for private controls.

parent dc6c106f
Show whitespace changes
Inline Side-by-side
Showing with 95 additions and 57 deletions
modules/access/v4l2.c
View file @ 06bf999c
......@@ -74,10 +74,6 @@ static void Close( vlc_object_t * );
#define DEV_LONGTEXT N_( \
"Name of the device to use. " \
"If you don't specify anything, /dev/video0 will be used.")
#define ADEV_TEXT N_("Audio device name")
#define ADEV_LONGTEXT N_( \
"Name of the audio device to use. " \
"If you don't specify anything, /dev/dsp will be used.")
#define STANDARD_TEXT N_( "Standard" )
#define STANDARD_LONGTEXT N_( \
"Video standard (Default, SECAM, PAL, or NTSC)." )
......@@ -98,6 +94,10 @@ static void Close( vlc_object_t * );
#define HEIGHT_TEXT N_( "Height" )
#define HEIGHT_LONGTEXT N_( \
"Force height (-1 for autodetect)." )
#define FPS_TEXT N_( "Framerate" )
#define FPS_LONGTEXT N_( "Framerate to capture, if applicable " \
"(-1 for autodetect)." )
#define BRIGHTNESS_TEXT N_( "Brightness" )
#define BRIGHTNESS_LONGTEXT N_( \
"Brightness of the video input." )
......@@ -110,9 +110,14 @@ static void Close( vlc_object_t * );
#define HUE_TEXT N_( "Hue" )
#define HUE_LONGTEXT N_( \
"Hue of the video input." )
#define FPS_TEXT N_( "Framerate" )
#define FPS_LONGTEXT N_( "Framerate to capture, if applicable " \
"(-1 for autodetect)." )
#define GAMMA_TEXT N_( "Gamma" )
#define GAMMA_LONGTEXT N_( \
"Gamma of the video input." )
#define ADEV_TEXT N_("Audio device name")
#define ADEV_LONGTEXT N_( \
"Name of the audio device to use. " \
"If you don't specify anything, /dev/dsp will be used.")
#define ALSA_TEXT N_( "Use Alsa" )
#define ALSA_LONGTEXT N_( \
"Use ALSA instead of OSS for audio" )
......@@ -122,6 +127,7 @@ static void Close( vlc_object_t * );
#define SAMPLERATE_TEXT N_( "Samplerate" )
#define SAMPLERATE_LONGTEXT N_( \
"Samplerate of the captured audio stream, in Hz (eg: 11025, 22050, 44100, 48000)" )
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
"Caching value for V4L2 captures. This " \
......@@ -149,10 +155,9 @@ vlc_module_begin();
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_ACCESS );
set_section( N_( "Video input" ), NULL );
add_string( "v4l2-dev", "/dev/video0", 0, DEV_TEXT, DEV_LONGTEXT,
VLC_FALSE );
add_string( "v4l2-adev", "/dev/dsp", 0, ADEV_TEXT, ADEV_LONGTEXT,
VLC_FALSE );
add_integer( "v4l2-standard", 0, NULL, STANDARD_TEXT, STANDARD_LONGTEXT,
VLC_FALSE );
change_integer_list( i_standards_list, psz_standards_list_text, 0 );
......@@ -167,6 +172,9 @@ vlc_module_begin();
WIDTH_LONGTEXT, VLC_TRUE );
add_integer( "v4l2-height", 0, NULL, HEIGHT_TEXT,
HEIGHT_LONGTEXT, VLC_TRUE );
add_float( "v4l2-fps", 0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
set_section( N_( "Video controls" ), NULL );
add_integer( "v4l2-brightness", -1, NULL, BRIGHTNESS_TEXT,
BRIGHTNESS_LONGTEXT, VLC_TRUE );
add_integer( "v4l2-contrast", -1, NULL, CONTRAST_TEXT,
......@@ -175,7 +183,12 @@ vlc_module_begin();
SATURATION_LONGTEXT, VLC_TRUE );
add_integer( "v4l2-hue", -1, NULL, HUE_TEXT,
HUE_LONGTEXT, VLC_TRUE );
add_float( "v4l2-fps", 0, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
add_integer( "v4l2-gamma", -1, NULL, GAMMA_TEXT,
GAMMA_LONGTEXT, VLC_TRUE );
set_section( N_( "Audio input" ), NULL );
add_string( "v4l2-adev", "/dev/dsp", 0, ADEV_TEXT, ADEV_LONGTEXT,
VLC_FALSE );
#ifdef HAVE_ALSA
add_bool( "v4l2-alsa", VLC_FALSE, NULL, ALSA_TEXT, ALSA_LONGTEXT,
VLC_TRUE );
......@@ -300,6 +313,7 @@ struct demux_sys_t
int i_contrast;
int i_saturation;
int i_hue;
int i_gamma;
picture_t pic;
int i_video_frame_size;
......@@ -369,11 +383,14 @@ static int Open( vlc_object_t *p_this )
var_CreateGetIntegerCommand( p_demux, "v4l2-saturation" );
p_sys->i_hue =
var_CreateGetIntegerCommand( p_demux, "v4l2-hue" );
p_sys->i_gamma =
var_CreateGetIntegerCommand( p_demux, "v4l2-gamma" );
var_AddCallback( p_demux, "v4l2-brightness", VideoControlCallback, NULL );
var_AddCallback( p_demux, "v4l2-contrast", VideoControlCallback, NULL );
var_AddCallback( p_demux, "v4l2-saturation", VideoControlCallback, NULL );
var_AddCallback( p_demux, "v4l2-hue", VideoControlCallback, NULL );
var_AddCallback( p_demux, "v4l2-gamma", VideoControlCallback, NULL );
var_Create( p_demux, "v4l2-fps", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
var_Get( p_demux, "v4l2-fps", &val );
......@@ -666,6 +683,13 @@ static void ParseMRL( demux_t *p_demux )
strtol( psz_parser + strlen( "hue=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "gamma=",
strlen( "gamma=" ) ) )
{
p_sys->i_gamma =
strtol( psz_parser + strlen( "gamma=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "samplerate=",
strlen( "samplerate=" ) ) )
{
......@@ -1536,6 +1560,7 @@ int OpenVideoDev( demux_t *p_demux, char *psz_device )
VideoControl( p_demux, i_fd,
"saturation", V4L2_CID_SATURATION, p_sys->i_saturation );
VideoControl( p_demux, i_fd, "hue", V4L2_CID_HUE, p_sys->i_hue );
VideoControl( p_demux, i_fd, "gamma", V4L2_CID_GAMMA, p_sys->i_gamma );
/* Init vout Picture */
vout_InitPicture( VLC_OBJECT(p_demux), &p_sys->pic, p_sys->i_fourcc,
......@@ -2282,24 +2307,10 @@ open_failed:
/*****************************************************************************
* List available controls
*****************************************************************************/
static int VideoControlList( demux_t *p_demux, int i_fd )
static void VideoControlListPrint( demux_t *p_demux, int i_fd,
struct v4l2_queryctrl queryctrl )
{
struct v4l2_queryctrl queryctrl;
struct v4l2_querymenu querymenu;
memset( &queryctrl, 0, sizeof( queryctrl ) );
/* List public controls */
for( queryctrl.id = V4L2_CID_BASE;
queryctrl.id < V4L2_CID_LASTP1;
queryctrl.id ++ )
{
if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
msg_Dbg( p_demux, "Available control: %s (%x)",
queryctrl.name, queryctrl.id );
if( queryctrl.flags & V4L2_CTRL_FLAG_GRABBED )
msg_Dbg( p_demux, " control is busy" );
if( queryctrl.flags & V4L2_CTRL_FLAG_READ_ONLY )
......@@ -2344,6 +2355,26 @@ static int VideoControlList( demux_t *p_demux, int i_fd )
/* FIXME */
break;
}
}
static int VideoControlList( demux_t *p_demux, int i_fd )
{
struct v4l2_queryctrl queryctrl;
memset( &queryctrl, 0, sizeof( queryctrl ) );
/* List public controls */
for( queryctrl.id = V4L2_CID_BASE;
queryctrl.id < V4L2_CID_LASTP1;
queryctrl.id ++ )
{
if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
msg_Dbg( p_demux, "Available control: %s (%x)",
queryctrl.name, queryctrl.id );
VideoControlListPrint( p_demux, i_fd, queryctrl );
}
}
......@@ -2356,8 +2387,9 @@ static int VideoControlList( demux_t *p_demux, int i_fd )
{
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
msg_Dbg( p_demux, "Available private control: %s",
queryctrl.name );
msg_Dbg( p_demux, "Available private control: %s (%x)",
queryctrl.name, queryctrl.id );
VideoControlListPrint( p_demux, i_fd, queryctrl );
}
else
break;
......@@ -2447,6 +2479,12 @@ static int VideoControlCallback( vlc_object_t *p_this,
return VideoControl( p_demux, i_fd,
"hue", V4L2_CID_HUE, p_sys->i_hue );
}
else if( !strcmp( psz_var, "v4l2-gamma" ) )
{
p_sys->i_gamma = newval.i_int;
return VideoControl( p_demux, i_fd,
"gamma", V4L2_CID_HUE, p_sys->i_gamma );
}
return VLC_EGENERIC;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment