#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_access.h>
+#include <vlc_charset.h>
#include <vlc_demux.h>
#include <vlc_input.h>
#include <ctype.h>
+#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#define ASPECT_LONGTEXT N_("Define input picture aspect-ratio to use. Default is 4:3" )
typedef enum {
+ IO_METHOD_AUTO,
IO_METHOD_READ,
IO_METHOD_MMAP,
IO_METHOD_USERPTR,
} io_method;
static const int i_standards_list[] =
- { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC };
+ { V4L2_STD_UNKNOWN, V4L2_STD_SECAM, V4L2_STD_PAL, V4L2_STD_NTSC,
+ V4L2_STD_PAL_B, V4L2_STD_PAL_B1, V4L2_STD_PAL_G, V4L2_STD_PAL_H,
+ V4L2_STD_PAL_I, V4L2_STD_PAL_D, V4L2_STD_PAL_D1, V4L2_STD_PAL_K,
+ V4L2_STD_PAL_M, V4L2_STD_PAL_N, V4L2_STD_PAL_Nc, V4L2_STD_PAL_60,
+ V4L2_STD_NTSC_M, V4L2_STD_NTSC_M_JP, V4L2_STD_NTSC_443,
+ V4L2_STD_NTSC_M_KR,
+ V4L2_STD_SECAM_B, V4L2_STD_SECAM_D, V4L2_STD_SECAM_G,
+ V4L2_STD_SECAM_H, V4L2_STD_SECAM_K, V4L2_STD_SECAM_K1,
+ V4L2_STD_SECAM_L, V4L2_STD_SECAM_LC,
+ V4L2_STD_ATSC_8_VSB, V4L2_STD_ATSC_16_VSB,
+ };
static const char *const psz_standards_list_text[] =
- { N_("Default"), N_("SECAM"), N_("PAL"), N_("NTSC") };
+ { N_("Default"), "SECAM", "PAL", "NTSC",
+ "PAL_B", "PAL_B1", "PAL_G", "PAL_H", "PAL_I", "PAL_D",
+ "PAL_D1", "PAL_K", "PAL_M", "PAL_N", "PAL_Nc", "PAL_60",
+ "NTSC_M", "NTSC_M_JP", "NTSC_443", "NTSC_M_KR",
+ "SECAM_B", "SECAM_D", "SECAM_G", "SECAM_H", "SECAM_K",
+ "SECAM_K1", "SECAM_L", "SECAM_LC",
+ "ATSC_8_VSB", "ATSC_16_VSB"
+ };
static const int i_iomethod_list[] =
- { IO_METHOD_READ, IO_METHOD_MMAP, IO_METHOD_USERPTR };
+ { IO_METHOD_AUTO, IO_METHOD_READ, IO_METHOD_MMAP, IO_METHOD_USERPTR };
static const char *const psz_iomethod_list_text[] =
- { N_("READ"), N_("MMAP"), N_("USERPTR") };
+ { N_("AUTO"), N_("READ"), N_("MMAP"), N_("USERPTR") };
static const int i_tuner_audio_modes_list[] =
{ V4L2_TUNER_MODE_MONO, V4L2_TUNER_MODE_STEREO,
true )
add_integer( CFG_PREFIX "audio-input", 0, NULL, AUDIO_INPUT_TEXT,
AUDIO_INPUT_LONGTEXT, true )
- add_integer( CFG_PREFIX "io", IO_METHOD_MMAP, NULL, IOMETHOD_TEXT,
+ add_integer( CFG_PREFIX "io", IO_METHOD_AUTO, NULL, 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,
static int Demux( demux_t * );
static block_t *AccessRead( access_t * );
+static ssize_t AccessReadStream( access_t * p_access, uint8_t * p_buffer, size_t i_len );
static block_t* GrabVideo( vlc_object_t *p_demux, demux_sys_t *p_sys );
static block_t* ProcessVideoFrame( vlc_object_t *p_demux, uint8_t *p_frame, size_t );
if( !strncmp( psz_parser, "standard=", strlen( "standard=" ) ) )
{
psz_parser += strlen( "standard=" );
- if( !strncmp( psz_parser, "pal", strlen( "pal" ) ) )
+ size_t i;
+ for( i = 0; i < ARRAY_SIZE(psz_standards_list_text); i++ )
{
- p_sys->i_selected_standard_id = V4L2_STD_PAL;
- psz_parser += strlen( "pal" );
- }
- else if( !strncmp( psz_parser, "ntsc", strlen( "ntsc" ) ) )
- {
- p_sys->i_selected_standard_id = V4L2_STD_NTSC;
- psz_parser += strlen( "ntsc" );
- }
- else if( !strncmp( psz_parser, "secam", strlen( "secam" ) ) )
- {
- p_sys->i_selected_standard_id = V4L2_STD_SECAM;
- psz_parser += strlen( "secam" );
- }
- else if( !strncmp( psz_parser, "default", strlen( "default" ) ) )
- {
- p_sys->i_selected_standard_id = V4L2_STD_UNKNOWN;
- psz_parser += strlen( "default" );
+ const char *psz_value = psz_standards_list_text[i];
+ size_t i_len = strlen( psz_value );
+ if( !strncasecmp( psz_parser, psz_value, i_len ) &&
+ ( psz_parser[i_len] == ':' || psz_parser[i_len] == 0 ) )
+ {
+ p_sys->i_selected_standard_id = i_standards_list[i];
+ psz_parser += i_len;
+ break;
+ }
}
- else
- {
+
+ if( i == ARRAY_SIZE(psz_standards_list_text) )
p_sys->i_selected_standard_id = i_standards_list[strtol( psz_parser, &psz_parser, 0 )];
- }
}
else if( !strncmp( psz_parser, "chroma=", strlen( "chroma=" ) ) )
{
}
else if( !strncmp( psz_parser, "fps=", strlen( "fps=" ) ) )
{
- p_sys->f_fps = strtof( psz_parser + strlen( "fps=" ),
- &psz_parser );
+ p_sys->f_fps = us_strtof( psz_parser + strlen( "fps=" ),
+ &psz_parser );
}
else if( !strncmp( psz_parser, "io=", strlen( "io=" ) ) )
{
p_sys->io = IO_METHOD_USERPTR;
psz_parser += strlen( "userptr" );
}
+ else if( !strncmp( psz_parser, "auto", strlen( "auto" ) ) )
+ {
+ p_sys->io = IO_METHOD_AUTO;
+ psz_parser += strlen( "auto" );
+ }
else
{
p_sys->io = strtol( psz_parser, &psz_parser, 0 );
}
break;
+
+ default:
+ break;
}
}
free( p_sys->p_buffers[i].start );
}
break;
+
+ default:
+ break;
}
free( p_sys->p_buffers );
}
if( *p_access->psz_access == '\0' ) return VLC_EGENERIC;
access_InitFields( p_access );
- ACCESS_SET_CALLBACKS( NULL, AccessRead, AccessControl, NULL );
p_sys = calloc( 1, sizeof( demux_sys_t ));
if( !p_sys ) return VLC_ENOMEM;
p_access->p_sys = (access_sys_t*)p_sys;
msg_Dbg( p_this, "Trying direct kernel v4l2" );
use_kernel_v4l2( p_sys );
if( FindMainDevice( p_this, p_sys, false ) == VLC_SUCCESS)
+ {
+ if( p_sys->io == IO_METHOD_READ )
+ {
+ ACCESS_SET_CALLBACKS( AccessReadStream, NULL, AccessControl, NULL );
+ }
+ else
+ {
+ ACCESS_SET_CALLBACKS( NULL, AccessRead, AccessControl, NULL );
+ }
return VLC_SUCCESS;
+ }
}
msg_Dbg( p_this, "Trying libv4l2 wrapper" );
use_libv4l2( p_sys );
#endif
if( FindMainDevice( p_this, p_sys, false ) == VLC_SUCCESS )
+ {
+ if( p_sys->io == IO_METHOD_READ )
+ {
+ ACCESS_SET_CALLBACKS( AccessReadStream, NULL, AccessControl, NULL );
+ }
+ else
+ {
+ ACCESS_SET_CALLBACKS( NULL, AccessRead, AccessControl, NULL );
+ }
return VLC_SUCCESS;
+ }
AccessClose( p_this );
return VLC_EGENERIC;
return NULL;
}
+static ssize_t AccessReadStream( access_t * p_access, uint8_t * p_buffer, size_t i_len )
+{
+ demux_sys_t *p_sys = (demux_sys_t *) p_access->p_sys;
+ struct pollfd ufd;
+ int i_ret;
+
+ ufd.fd = p_sys->i_fd;
+ ufd.events = POLLIN;
+
+ if( p_access->info.b_eof )
+ return 0;
+
+ do
+ {
+ if( !vlc_object_alive (p_access) )
+ return 0;
+
+ ufd.revents = 0;
+ }
+ while( ( i_ret = poll( &ufd, 1, 500 ) ) == 0 );
+
+ if( i_ret < 0 )
+ {
+ msg_Err( p_access, "Polling error (%m)." );
+ return -1;
+ }
+
+ i_ret = v4l2_read( p_sys->i_fd, p_buffer, i_len );
+ if( i_ret == 0 )
+ {
+ p_access->info.b_eof = true;
+ }
+ else if( i_ret > 0 )
+ {
+ p_access->info.i_pos += i_ret;
+ }
+
+ return i_ret;
+}
+
/*****************************************************************************
* Demux: Processes the audio or video frame
*****************************************************************************/
break;
+ default:
+ break;
}
/* Timestamp */
msg_Err( p_obj, "cannot set standard (%m)" );
goto open_failed;
}
- msg_Dbg( p_obj, "Set standard" );
+ if( v4l2_ioctl( i_fd, VIDIOC_G_STD, &p_sys->i_selected_standard_id ) < 0 )
+ {
+ msg_Err( p_obj, "cannot get standard (%m). This should never happen!" );
+ goto open_failed;
+ }
+ msg_Dbg( p_obj, "Set standard to (0x%"PRIx64"):", p_sys->i_selected_standard_id );
+ int i_standard;
+ for( i_standard = 0; i_standard<p_sys->i_standard; i_standard++)
+ {
+ if( p_sys->p_standards[i_standard].id & p_sys->i_selected_standard_id )
+ {
+ msg_Dbg( p_obj, " %s",
+ p_sys->p_standards[i_standard].name );
+ }
+ }
}
/* Select input */
msg_Err( p_obj, "device does not support read i/o" );
goto open_failed;
}
+ msg_Dbg( p_obj, "using read i/o" );
break;
case IO_METHOD_MMAP:
msg_Err( p_obj, "device does not support streaming i/o" );
goto open_failed;
}
+ if( p_sys->io == IO_METHOD_MMAP )
+ msg_Dbg( p_obj, "using streaming i/o (mmap)" );
+ else
+ msg_Dbg( p_obj, "using streaming i/o (userptr)" );
break;
default:
{
crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
crop.c = cropcap.defrect; /* reset to default */
- if( v4l2_ioctl( i_fd, VIDIOC_S_CROP, &crop ) < 0 )
+ if( crop.c.width > 0 && crop.c.height > 0 ) /* Fix for fm tuners */
{
- switch( errno )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_CROP, &crop ) < 0 )
{
- case EINVAL:
- /* Cropping not supported. */
- break;
- default:
- /* Errors ignored. */
- break;
+ switch( errno )
+ {
+ case EINVAL:
+ /* Cropping not supported. */
+ break;
+ default:
+ /* Errors ignored. */
+ break;
+ }
}
}
}
msg_Dbg( p_obj, "trying specified size %dx%d", p_sys->i_width, p_sys->i_height );
}
- fmt.fmt.pix.width = p_sys->i_width;
- fmt.fmt.pix.height = p_sys->i_height;
+ fmt.fmt.pix.width = __MAX(0, p_sys->i_width);
+ fmt.fmt.pix.height = __MAX(0, p_sys->i_height);
fmt.fmt.pix.field = V4L2_FIELD_NONE;
if (b_demux)
fmt.fmt.pix.pixelformat );
msg_Dbg( p_demux, "Found maximum framerate of %f", p_sys->f_fps );
}
+ uint32_t i_width, i_height;
GetMaxDimensions( p_demux, i_fd,
fmt.fmt.pix.pixelformat, p_sys->f_fps,
- &fmt.fmt.pix.width, &fmt.fmt.pix.height );
- msg_Dbg( p_demux, "Found optimal dimensions for framerate %f of %dx%d",
- p_sys->f_fps, fmt.fmt.pix.width, fmt.fmt.pix.height );
- if( v4l2_ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 ) {;}
+ &i_width, &i_height );
+ if( i_width || i_height )
+ {
+ msg_Dbg( p_demux, "Found optimal dimensions for framerate %f of %dx%d",
+ p_sys->f_fps, i_width, i_height );
+ fmt.fmt.pix.width = i_width;
+ fmt.fmt.pix.height = i_height;
+ if( v4l2_ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 ) {;}
+ }
+ else
+ {
+ msg_Warn( p_obj, "Could not find optimal width and height." );
+ }
}
/* Reassign width, height and chroma incase driver override */
switch( p_sys->io )
{
case IO_METHOD_READ:
- if( InitRead( p_obj, p_sys, fmt.fmt.pix.sizeimage ) != VLC_SUCCESS ) goto open_failed;
+ if( b_demux )
+ if( InitRead( p_obj, p_sys, fmt.fmt.pix.sizeimage ) != VLC_SUCCESS ) goto open_failed;
break;
case IO_METHOD_MMAP:
if( InitUserP( p_obj, p_sys, i_fd, fmt.fmt.pix.sizeimage ) != VLC_SUCCESS ) goto open_failed;
break;
+ default:
+ goto open_failed;
+ break;
}
- /* Add */
- es_fmt.video.i_width = p_sys->i_width;
- es_fmt.video.i_height = p_sys->i_height;
-
- /* Get aspect-ratio */
- es_fmt.video.i_aspect = p_sys->i_aspect;
-
if( b_demux )
{
+ /* Add */
+ es_fmt.video.i_width = p_sys->i_width;
+ es_fmt.video.i_height = p_sys->i_height;
+
+ /* Get aspect-ratio */
+ es_fmt.video.i_aspect = p_sys->i_aspect;
+
demux_t *p_demux = (demux_t *) p_obj;
msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
(char*)&es_fmt.i_codec, es_fmt.video.i_width, es_fmt.video.i_height );
}
break;
+
+ default:
+ goto open_failed;
+ break;
}
/* report fps */
msg_Dbg( p_obj, "the device has the capabilities: (%c) Video Capure, "
"(%c) Audio, "
- "(%c) Tuner",
+ "(%c) Tuner, "
+ "(%c) Radio",
( p_sys->dev_cap.capabilities & V4L2_CAP_VIDEO_CAPTURE ? 'X':' '),
( p_sys->dev_cap.capabilities & V4L2_CAP_AUDIO ? 'X':' '),
- ( p_sys->dev_cap.capabilities & V4L2_CAP_TUNER ? 'X':' ') );
+ ( p_sys->dev_cap.capabilities & V4L2_CAP_TUNER ? 'X':' '),
+ ( p_sys->dev_cap.capabilities & V4L2_CAP_RADIO ? 'X':' ') );
msg_Dbg( p_obj, "supported I/O methods are: (%c) Read/Write, "
"(%c) Streaming, "
( p_sys->dev_cap.capabilities & V4L2_CAP_STREAMING ? 'X':' ' ),
( p_sys->dev_cap.capabilities & V4L2_CAP_ASYNCIO ? 'X':' ' ) );
+ if( p_sys->io == IO_METHOD_AUTO )
+ {
+ if( p_sys->dev_cap.capabilities & V4L2_CAP_STREAMING )
+ p_sys->io = IO_METHOD_MMAP;
+ else if( p_sys->dev_cap.capabilities & V4L2_CAP_READWRITE )
+ p_sys->io = IO_METHOD_READ;
+ else
+ msg_Err( p_obj, "No known I/O method supported" );
+ }
+
+ if( p_sys->dev_cap.capabilities & V4L2_CAP_RDS_CAPTURE )
+ msg_Dbg( p_obj, "device supports RDS" );
+
+#ifdef V4L2_CAP_HW_FREQ_SEEK
+ if( p_sys->dev_cap.capabilities & V4L2_CAP_HW_FREQ_SEEK )
+ 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" );
+
+ if( p_sys->dev_cap.capabilities & V4L2_CAP_SLICED_VBI_CAPTURE )
+ msg_Dbg( p_obj, "device support 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
debug messages */
{
struct v4l2_input t_input;
memset( &t_input, 0, sizeof(t_input) );
+ p_sys->i_input = 0;
while( v4l2_ioctl( i_fd, VIDIOC_ENUMINPUT, &t_input ) >= 0 )
{
p_sys->i_input++;
t_input.index = p_sys->i_input;
}
+ free( p_sys->p_inputs );
p_sys->p_inputs = calloc( 1, p_sys->i_input * sizeof( struct v4l2_input ) );
if( !p_sys->p_inputs ) goto open_failed;
t_standards.index = p_sys->i_standard;
}
+ free( p_sys->p_standards );
p_sys->p_standards = calloc( 1, p_sys->i_standard * sizeof( struct v4l2_standard ) );
if( !p_sys->p_standards ) goto open_failed;
msg_Dbg( p_obj, "video standard %i is: %s %c",
i_standard,
p_sys->p_standards[i_standard].name,
- (unsigned)i_standard == p_sys->i_selected_standard_id ? '*' : ' ' );
+ (p_sys->p_standards[i_standard].id & p_sys->i_selected_standard_id) ? '*' : ' ' );
}
}
tuner.index = p_sys->i_tuner;
}
+ free( p_sys->p_tuners );
p_sys->p_tuners = calloc( 1, p_sys->i_tuner * sizeof( struct v4l2_tuner ) );
if( !p_sys->p_tuners ) goto open_failed;
p_sys->i_codec = i_index;
+ free( p_sys->p_codecs );
p_sys->p_codecs = calloc( 1, p_sys->i_codec * sizeof( struct v4l2_fmtdesc ) );
for( i_index = 0; i_index < p_sys->i_codec; i_index++ )
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