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vlc-2-2
Commit ec7e68a3 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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v4l2: use var_LocationParse()

parent c7fd60df
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Showing with 21 additions and 226 deletions
modules/access/v4l2.c
View file @ ec7e68a3
......@@ -204,11 +204,6 @@ static void AccessClose( vlc_object_t * );
#define TUNER_AUDIO_MODE_LONGTEXT N_( \
"Tuner audio mono/stereo and track selection." )
#define AUDIO_DEPRECATED_ERROR N_( \
"Alsa or OSS audio capture in the v4l2 access is deprecated. " \
"please use 'v4l2:/""/ :input-slave=alsa:/""/' or " \
"'v4l2:/""/ :input-slave=oss:/""/' instead." )
#define ASPECT_TEXT N_("Picture aspect-ratio n:m")
#define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
......@@ -433,7 +428,7 @@ vlc_module_end ()
*****************************************************************************/
static void CommonClose( vlc_object_t *, demux_sys_t * );
static void ParseMRL( demux_sys_t *, char *, vlc_object_t * );
static char *ParseMRL( vlc_object_t *, const char * );
static void GetV4L2Params( demux_sys_t *, vlc_object_t * );
static void SetAvailControlsByString( vlc_object_t *, demux_sys_t *, int );
......@@ -665,9 +660,8 @@ static int DemuxOpen( vlc_object_t *p_this )
p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
if( p_sys == NULL ) return VLC_ENOMEM;
GetV4L2Params(p_sys, (vlc_object_t *) p_demux);
ParseMRL( p_sys, p_demux->psz_location, (vlc_object_t *) p_demux );
p_sys->psz_device = ParseMRL( p_this, p_demux->psz_location );
GetV4L2Params( p_sys, p_this );
#ifdef HAVE_LIBV4L2
if( !var_InheritBool( p_this, CFG_PREFIX "use-libv4l2" ) )
......@@ -693,6 +687,7 @@ static int DemuxOpen( vlc_object_t *p_this )
*****************************************************************************/
static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
{
if( p_sys->psz_device == NULL )
p_sys->psz_device = var_CreateGetNonEmptyString( p_obj, "v4l2-dev" );
p_sys->i_selected_input = var_CreateGetInteger( p_obj, "v4l2-input" );
......@@ -731,225 +726,26 @@ static void GetV4L2Params( demux_sys_t *p_sys, vlc_object_t *p_obj )
p_sys->p_es = NULL;
}
/*****************************************************************************
* ParseMRL: parse the options contained in the MRL
*****************************************************************************/
static void ParseMRL( demux_sys_t *p_sys, char *psz_path, vlc_object_t *p_obj )
/**
* Parses a V4L2 MRL.
* \return device node path (use free()) or NULL if not specified
*/
static char *ParseMRL( vlc_object_t *obj, const char *mrl )
{
char *psz_dup = strdup( psz_path );
char *psz_parser = psz_dup;
while( *psz_parser && *psz_parser != ':' )
{
psz_parser++;
}
if( *psz_parser == ':' )
{
/* read options */
for( ;; )
{
*psz_parser++ = '\0';
if( !strncmp( psz_parser, "standard=", strlen( "standard=" ) ) )
{
int i_len;
psz_parser += strlen( "standard=" );
if( strchr( psz_parser, ':' ) )
i_len = strchr( psz_parser, ':' ) - psz_parser;
else
i_len = strlen( psz_parser );
p_sys->psz_standard = strndup( psz_parser, i_len );
psz_parser += i_len;
}
else if( !strncmp( psz_parser, "chroma=", strlen( "chroma=" ) ) )
{
int i_len;
psz_parser += strlen( "chroma=" );
if( strchr( psz_parser, ':' ) )
{
i_len = strchr( psz_parser, ':' ) - psz_parser;
}
else
{
i_len = strlen( psz_parser );
}
free( p_sys->psz_requested_chroma );
p_sys->psz_requested_chroma = strndup( psz_parser, i_len );
psz_parser += i_len;
}
else if( !strncmp( psz_parser, "input=", strlen( "input=" ) ) )
{
p_sys->i_selected_input = strtol( psz_parser + strlen( "input=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "audio-input=", strlen( "audio-input=" ) ) )
{
p_sys->i_selected_audio_input = strtol( psz_parser + strlen( "audio-input=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "fps=", strlen( "fps=" ) ) )
{
p_sys->f_fps = us_strtof( psz_parser + strlen( "fps=" ),
&psz_parser );
}
else if( !strncmp( psz_parser, "width=",
strlen( "width=" ) ) )
{
p_sys->i_width =
strtol( psz_parser + strlen( "width=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "height=",
strlen( "height=" ) ) )
{
p_sys->i_height =
strtol( psz_parser + strlen( "height=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "aspect-ratio=",
strlen( "aspect-ratio=" ) ) )
{
unsigned int num,den;
num = strtol( psz_parser + strlen( "aspect-ratio=" ),
&psz_parser, 0 );
den = strtol( psz_parser + strlen( ":" ),
&psz_parser, 0 );
if( num && den )
p_sys->i_aspect = num * VOUT_ASPECT_FACTOR / den;
}
else if( !strncmp( psz_parser, "controls-reset",
strlen( "controls-reset" ) ) )
{
var_SetBool( p_obj, "v4l2-controls-reset", true );
psz_parser += strlen( "controls-reset" );
}
#if 0
else if( !strncmp( psz_parser, "brightness=",
strlen( "brightness=" ) ) )
{
var_SetInteger( p_obj, "brightness",
strtol( psz_parser + strlen( "brightness=" ),
&psz_parser, 0 ) );
}
else if( !strncmp( psz_parser, "contrast=",
strlen( "contrast=" ) ) )
{
var_SetInteger( p_obj, "contrast",
strtol( psz_parser + strlen( "contrast=" ),
&psz_parser, 0 ) );
}
else if( !strncmp( psz_parser, "saturation=",
strlen( "saturation=" ) ) )
{
var_SetInteger( p_obj, "saturation",
strtol( psz_parser + strlen( "saturation=" ),
&psz_parser, 0 ) );
}
else if( !strncmp( psz_parser, "hue=",
strlen( "hue=" ) ) )
{
var_SetInteger( p_obj, "hue",
strtol( psz_parser + strlen( "hue=" ),
&psz_parser, 0 ) );
}
else if( !strncmp( psz_parser, "gamma=",
strlen( "gamma=" ) ) )
{
var_SetInteger( p_obj, "gamma",
strtol( psz_parser + strlen( "gamma=" ),
&psz_parser, 0 ) );
}
#endif
else if( !strncmp( psz_parser, "tuner=", strlen( "tuner=" ) ) )
{
p_sys->i_cur_tuner = strtol( psz_parser + strlen( "tuner=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "tuner-frequency=", strlen( "tuner-frequency=" ) ) )
{
p_sys->i_frequency = strtol( psz_parser
+ strlen( "tuner-frequency=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "tuner-audio-mode=", strlen( "tuner-audio-mode=" ) ) )
{
p_sys->i_audio_mode = strtol( psz_parser
+ strlen( "tuner-audio-mode=" ),
&psz_parser, 0 );
}
else if( !strncmp( psz_parser, "set-ctrls=", strlen( "set-ctrls=" )) )
{
int i_len;
const char *p = strchr( mrl, ':' );
psz_parser += strlen( "set-ctrls=" );
if( strchr( psz_parser, ':' ) )
if( p != NULL )
{
i_len = strchr( psz_parser, ':' ) - psz_parser;
var_LocationParse( obj, p + 1, CFG_PREFIX );
if( p > mrl )
return strndup( mrl, p - mrl );
}
else
{
i_len = strlen( psz_parser );
}
p_sys->psz_set_ctrls = strndup( psz_parser, i_len );
psz_parser += i_len;
}
else if( !strncmp( psz_parser, "adev=", strlen( "adev=" ) )
|| !strncmp( psz_parser, "samplerate=", strlen( "samplerate=" ) )
|| !strncmp( psz_parser, "audio-method", strlen( "audio-method" ) )
|| !strncmp( psz_parser, "stereo", strlen( "stereo" ) )
|| !strncmp( psz_parser, "mono", strlen( "mono" ) ) )
{
if( strchr( psz_parser, ':' ) )
{
psz_parser = strchr( psz_parser, ':' );
if( mrl[0] )
return strdup( mrl );
}
else
{
psz_parser += strlen( psz_parser );
}
msg_Err( p_obj, AUDIO_DEPRECATED_ERROR );
}
else
{
char *psz_unk = strchr( psz_parser, ':' );
if (psz_unk)
psz_unk = strndup( psz_parser, psz_unk - psz_parser );
else
psz_unk = strdup( psz_parser);
msg_Warn( p_obj, "unknown option %s", psz_unk );
free (psz_unk);
}
while( *psz_parser && *psz_parser != ':' )
{
psz_parser++;
}
if( *psz_parser == '\0' )
{
break;
}
}
}
/* Main device */
if( *psz_dup )
{
free( p_sys->psz_device );
p_sys->psz_device = strdup( psz_dup );
}
else if( p_sys->psz_device == NULL )
p_sys->psz_device = strdup( V4L2_DEFAULT );
free( psz_dup );
return NULL;
}
/*****************************************************************************
......@@ -1069,9 +865,8 @@ static int AccessOpen( vlc_object_t * p_this )
if( !p_sys ) return VLC_ENOMEM;
p_access->p_sys = (access_sys_t*)p_sys;
GetV4L2Params( p_sys, (vlc_object_t *) p_access );
ParseMRL( p_sys, p_access->psz_location, (vlc_object_t *) p_access );
p_sys->psz_device = ParseMRL( p_this, p_access->psz_location );
GetV4L2Params( p_sys, p_this );
#ifdef HAVE_LIBV4L2
if( !var_InheritBool( p_this, CFG_PREFIX "use-libv4l2" ) )
......
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