[vlc-devel] [PATCH] -Add support for libv4l2 - Patch by Hans de Goede
Nicolas Chauvet (kwizart)
kwizart at gmail.com
Thu Oct 16 13:48:14 CEST 2008
---
modules/access/v4l2/v4l2.c | 175 +++++++++++++++++++++++++++----------------
1 files changed, 110 insertions(+), 65 deletions(-)
diff --git a/modules/access/v4l2/v4l2.c b/modules/access/v4l2/v4l2.c
index ebfe3e2..d942efc 100644
--- a/modules/access/v4l2/v4l2.c
+++ b/modules/access/v4l2/v4l2.c
@@ -67,6 +67,9 @@
#include <poll.h>
+
+#include <libv4l2.h>
+
/*****************************************************************************
* Module descriptior
*****************************************************************************/
@@ -1108,11 +1111,11 @@ static void DemuxClose( vlc_object_t *p_this )
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf.memory = ( p_sys->io == IO_METHOD_USERPTR ) ?
V4L2_MEMORY_USERPTR : V4L2_MEMORY_MMAP;
- ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ); /* ignore result */
+ v4l2_ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ); /* ignore result */
}
buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if( ioctl( p_sys->i_fd_video, VIDIOC_STREAMOFF, &buf_type ) < 0 ) {
+ if( v4l2_ioctl( p_sys->i_fd_video, VIDIOC_STREAMOFF, &buf_type ) < 0 ) {
msg_Err( p_this, "VIDIOC_STREAMOFF failed" );
}
@@ -1131,7 +1134,7 @@ static void DemuxClose( vlc_object_t *p_this )
case IO_METHOD_MMAP:
for( i = 0; i < p_sys->i_nbuffers; ++i )
{
- if( munmap( p_sys->p_buffers[i].start, p_sys->p_buffers[i].length ) )
+ if( v4l2_munmap( p_sys->p_buffers[i].start, p_sys->p_buffers[i].length ) )
{
msg_Err( p_this, "munmap failed" );
}
@@ -1155,7 +1158,7 @@ static void CommonClose( vlc_object_t *p_this, demux_sys_t *p_sys )
{
(void)p_this;
/* Close */
- if( p_sys->i_fd_video >= 0 ) close( p_sys->i_fd_video );
+ if( p_sys->i_fd_video >= 0 ) v4l2_close( p_sys->i_fd_video );
#ifdef HAVE_ALSA
if( p_sys->p_alsa_pcm )
{
@@ -1350,7 +1353,7 @@ static ssize_t AccessRead( access_t * p_access, uint8_t * p_buffer, size_t i_len
return -1;
}
- i_ret = read( p_sys->i_fd_video, p_buffer, i_len );
+ i_ret = v4l2_read( p_sys->i_fd_video, p_buffer, i_len );
if( i_ret == 0 )
{
p_access->info.b_eof = true;
@@ -1419,7 +1422,7 @@ static block_t* GrabVideo( demux_t *p_demux )
switch( p_sys->io )
{
case IO_METHOD_READ:
- i_ret = read( p_sys->i_fd_video, p_sys->p_buffers[0].start, p_sys->p_buffers[0].length );
+ i_ret = v4l2_read( p_sys->i_fd_video, p_sys->p_buffers[0].start, p_sys->p_buffers[0].length );
if( i_ret == -1 )
{
switch( errno )
@@ -1446,7 +1449,7 @@ static block_t* GrabVideo( demux_t *p_demux )
buf.memory = V4L2_MEMORY_MMAP;
/* Wait for next frame */
- if (ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ) < 0 )
+ if (v4l2_ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ) < 0 )
{
switch( errno )
{
@@ -1470,7 +1473,7 @@ static block_t* GrabVideo( demux_t *p_demux )
if( !p_block ) return 0;
/* Unlock */
- if( ioctl( p_sys->i_fd_video, VIDIOC_QBUF, &buf ) < 0 )
+ if( v4l2_ioctl( p_sys->i_fd_video, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "Failed to unlock (VIDIOC_QBUF)" );
block_Release( p_block );
@@ -1485,7 +1488,7 @@ static block_t* GrabVideo( demux_t *p_demux )
buf.memory = V4L2_MEMORY_USERPTR;
/* Wait for next frame */
- if (ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ) < 0 )
+ if (v4l2_ioctl( p_sys->i_fd_video, VIDIOC_DQBUF, &buf ) < 0 )
{
switch( errno )
{
@@ -1518,7 +1521,7 @@ static block_t* GrabVideo( demux_t *p_demux )
if( !p_block ) return 0;
/* Unlock */
- if( ioctl( p_sys->i_fd_video, VIDIOC_QBUF, &buf ) < 0 )
+ if( v4l2_ioctl( p_sys->i_fd_video, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "Failed to unlock (VIDIOC_QBUF)" );
block_Release( p_block );
@@ -1703,7 +1706,7 @@ static int InitMmap( demux_t *p_demux, int i_fd )
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
req.memory = V4L2_MEMORY_MMAP;
- if( ioctl( i_fd, VIDIOC_REQBUFS, &req ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_REQBUFS, &req ) < 0 )
{
msg_Err( p_demux, "device does not support mmap i/o" );
goto open_failed;
@@ -1728,7 +1731,7 @@ static int InitMmap( demux_t *p_demux, int i_fd )
buf.memory = V4L2_MEMORY_MMAP;
buf.index = p_sys->i_nbuffers;
- if( ioctl( i_fd, VIDIOC_QUERYBUF, &buf ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYBUF, &buf ) < 0 )
{
msg_Err( p_demux, "VIDIOC_QUERYBUF" );
goto open_failed;
@@ -1736,7 +1739,7 @@ static int InitMmap( demux_t *p_demux, int i_fd )
p_sys->p_buffers[p_sys->i_nbuffers].length = buf.length;
p_sys->p_buffers[p_sys->i_nbuffers].start =
- mmap( NULL, buf.length, PROT_READ | PROT_WRITE, MAP_SHARED, i_fd, buf.m.offset );
+ v4l2_mmap( NULL, buf.length, PROT_READ | PROT_WRITE, MAP_SHARED, i_fd, buf.m.offset );
if( p_sys->p_buffers[p_sys->i_nbuffers].start == MAP_FAILED )
{
@@ -1769,7 +1772,7 @@ static int InitUserP( demux_t *p_demux, int i_fd, unsigned int i_buffer_size )
req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
req.memory = V4L2_MEMORY_USERPTR;
- if( ioctl( i_fd, VIDIOC_REQBUFS, &req ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_REQBUFS, &req ) < 0 )
{
msg_Err( p_demux, "device does not support user pointer i/o" );
return VLC_EGENERIC;
@@ -1825,6 +1828,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
enum v4l2_buf_type buf_type;
char *psz_device = p_sys->psz_vdev;
es_format_t es_fmt;
+ int libv4l2_fd;
if( ( i_fd = open( psz_device, O_RDWR ) ) < 0 )
{
@@ -1832,6 +1836,36 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
goto open_failed;
}
+ /* Note the v4l2_xxx functions are designed so that if they get passed an
+ unknown fd, the will behave exactly as their regular xxx counterparts,
+ so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
+ custom cam format to normal formats conversion). Chances are big we will
+ still fail then though, as normally v4l2_fd_open only fails if the
+ device is not a v4l2 device. */
+ libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
+ if (libv4l2_fd != -1)
+ i_fd = libv4l2_fd;
+
+ /* Note the v4l2_xxx functions are designed so that if they get passed an
+ unknown fd, the will behave exactly as their regular xxx counterparts,
+ so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
+ custom cam format to normal formats conversion). Chances are big we will
+ still fail then though, as normally v4l2_fd_open only fails if the
+ device is not a v4l2 device. */
+ libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
+ if (libv4l2_fd != -1)
+ i_fd = libv4l2_fd;
+
+ /* Note the v4l2_xxx functions are designed so that if they get passed an
+ unknown fd, the will behave exactly as their regular xxx counterparts,
+ so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
+ custom cam format to normal formats conversion). Chances are big we will
+ still fail then though, as normally v4l2_fd_open only fails if the
+ device is not a v4l2 device. */
+ libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
+ if (libv4l2_fd != -1)
+ i_fd = libv4l2_fd;
+
/* Tune the tuner */
if( p_sys->i_frequency >= 0 )
{
@@ -1845,7 +1879,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
frequency.tuner = p_sys->i_cur_tuner;
frequency.type = p_sys->p_tuners[p_sys->i_cur_tuner].type;
frequency.frequency = p_sys->i_frequency / 62.5;
- if( ioctl( i_fd, VIDIOC_S_FREQUENCY, &frequency ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_FREQUENCY, &frequency ) < 0 )
{
msg_Err( p_obj, "cannot set tuner frequency (%m)" );
goto open_failed;
@@ -1865,7 +1899,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
memset( &tuner, 0, sizeof( tuner ) );
tuner.index = p_sys->i_cur_tuner;
tuner.audmode = p_sys->i_audio_mode;
- if( ioctl( i_fd, VIDIOC_S_TUNER, &tuner ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_TUNER, &tuner ) < 0 )
{
msg_Err( p_obj, "cannot set tuner audio mode (%m)" );
goto open_failed;
@@ -1877,7 +1911,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
if( p_sys->i_selected_standard_id != V4L2_STD_UNKNOWN )
{
- if( ioctl( i_fd, VIDIOC_S_STD, &p_sys->i_selected_standard_id ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_STD, &p_sys->i_selected_standard_id ) < 0 )
{
msg_Err( p_obj, "cannot set standard (%m)" );
goto open_failed;
@@ -1893,7 +1927,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
p_sys->i_selected_input = 0;
}
- if( ioctl( i_fd, VIDIOC_S_INPUT, &p_sys->i_selected_input ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_INPUT, &p_sys->i_selected_input ) < 0 )
{
msg_Err( p_obj, "cannot set input (%m)" );
goto open_failed;
@@ -1910,7 +1944,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
p_sys->i_selected_audio_input = 0;
}
- if( ioctl( i_fd, VIDIOC_S_AUDIO, &p_sys->p_audios[p_sys->i_selected_audio_input] ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_AUDIO, &p_sys->p_audios[p_sys->i_selected_audio_input] ) < 0 )
{
msg_Err( p_obj, "cannot set audio input (%m)" );
goto open_failed;
@@ -1959,11 +1993,11 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
/* Reset Cropping */
memset( &cropcap, 0, sizeof(cropcap) );
cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if( ioctl( i_fd, VIDIOC_CROPCAP, &cropcap ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_CROPCAP, &cropcap ) >= 0 )
{
crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
crop.c = cropcap.defrect; /* reset to default */
- if( ioctl( i_fd, VIDIOC_S_CROP, &crop ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_CROP, &crop ) < 0 )
{
switch( errno )
{
@@ -1983,7 +2017,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
if( p_sys->i_width <= 0 || p_sys->i_height <= 0 )
{
- if( ioctl( i_fd, VIDIOC_G_FMT, &fmt ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_G_FMT, &fmt ) < 0 )
{
msg_Err( p_demux, "Cannot get default width and height." );
goto open_failed;
@@ -2026,7 +2060,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
}
}
/* Try and set user chroma */
- if( !IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat ) || ( fmt.fmt.pix.pixelformat && ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 ) )
+ if( !IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat ) || ( fmt.fmt.pix.pixelformat && v4l2_ioctl( i_fd, VIDIOC_S_FMT, &fmt ) < 0 ) )
{
msg_Warn( p_demux, "Driver is unable to use specified chroma %s. Trying defaults.", p_sys->psz_requested_chroma );
fmt.fmt.pix.pixelformat = 0;
@@ -2042,7 +2076,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
{
fmt.fmt.pix.pixelformat = p_chroma_fallbacks[i];
if( IsPixelFormatSupported( p_demux, fmt.fmt.pix.pixelformat )
- && ioctl( i_fd, VIDIOC_S_FMT, &fmt ) >= 0 )
+ && v4l2_ioctl( i_fd, VIDIOC_S_FMT, &fmt ) >= 0 )
break;
}
if( i == ARRAY_SIZE( p_chroma_fallbacks ) )
@@ -2087,7 +2121,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
frmival.pixel_format = fmt.fmt.pix.pixelformat;
frmival.width = p_sys->i_width;
frmival.height = p_sys->i_height;
- if( ioctl( i_fd, VIDIOC_ENUM_FRAMEINTERVALS, &frmival ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_ENUM_FRAMEINTERVALS, &frmival ) >= 0 )
{
char psz_fourcc[5];
memset( &psz_fourcc, 0, sizeof( psz_fourcc ) );
@@ -2103,7 +2137,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
frmival.discrete.numerator,
frmival.discrete.denominator );
frmival.index++;
- } while( ioctl( i_fd, VIDIOC_ENUM_FRAMEINTERVALS, &frmival ) >= 0 );
+ } while( v4l2_ioctl( i_fd, VIDIOC_ENUM_FRAMEINTERVALS, &frmival ) >= 0 );
break;
case V4L2_FRMIVAL_TYPE_STEPWISE:
msg_Dbg( p_demux, " supported frame intervals: %d/%d to "
@@ -2170,7 +2204,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
buf.memory = V4L2_MEMORY_MMAP;
buf.index = i;
- if( ioctl( i_fd, VIDIOC_QBUF, &buf ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "VIDIOC_QBUF failed" );
goto open_failed;
@@ -2178,7 +2212,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
}
buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if( ioctl( i_fd, VIDIOC_STREAMON, &buf_type ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_STREAMON, &buf_type ) < 0 )
{
msg_Err( p_demux, "VIDIOC_STREAMON failed" );
goto open_failed;
@@ -2198,7 +2232,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
buf.m.userptr = (unsigned long)p_sys->p_buffers[i].start;
buf.length = p_sys->p_buffers[i].length;
- if( ioctl( i_fd, VIDIOC_QBUF, &buf ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QBUF, &buf ) < 0 )
{
msg_Err( p_demux, "VIDIOC_QBUF failed" );
goto open_failed;
@@ -2206,7 +2240,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
}
buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if( ioctl( i_fd, VIDIOC_STREAMON, &buf_type ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_STREAMON, &buf_type ) < 0 )
{
msg_Err( p_demux, "VIDIOC_STREAMON failed" );
goto open_failed;
@@ -2224,7 +2258,7 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
return i_fd;
open_failed:
- if( i_fd >= 0 ) close( i_fd );
+ if( i_fd >= 0 ) v4l2_close( i_fd );
return -1;
}
@@ -2543,6 +2577,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
int i_standard;
int i_fd;
+ int libv4l2_fd;
if( ( i_fd = open( psz_device, O_RDWR ) ) < 0 )
{
@@ -2550,9 +2585,19 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
goto open_failed;
}
+ /* Note the v4l2_xxx functions are designed so that if they get passed an
+ unknown fd, the will behave exactly as their regular xxx counterparts,
+ so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
+ custom cam format to normal formats conversion). Chances are big we will
+ still fail then though, as normally v4l2_fd_open only fails if the
+ device is not a v4l2 device. */
+ libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
+ if (libv4l2_fd != -1)
+ i_fd = libv4l2_fd;
+
/* Get device capabilites */
- if( ioctl( i_fd, VIDIOC_QUERYCAP, &p_sys->dev_cap ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCAP, &p_sys->dev_cap ) < 0 )
{
msg_Err( p_obj, "cannot get video capabilities (%m)" );
goto open_failed;
@@ -2588,7 +2633,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
struct v4l2_input t_input;
t_input.index = 0;
- while( ioctl( i_fd, VIDIOC_ENUMINPUT, &t_input ) >= 0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_ENUMINPUT, &t_input ) >= 0 )
{
p_sys->i_input++;
t_input.index = p_sys->i_input;
@@ -2601,7 +2646,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
p_sys->p_inputs[i_index].index = i_index;
- if( ioctl( i_fd, VIDIOC_ENUMINPUT, &p_sys->p_inputs[i_index] ) )
+ if( v4l2_ioctl( i_fd, VIDIOC_ENUMINPUT, &p_sys->p_inputs[i_index] ) )
{
msg_Err( p_obj, "cannot get video input characteristics (%m)" );
goto open_failed;
@@ -2622,7 +2667,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
struct v4l2_standard t_standards;
t_standards.index = 0;
- while( ioctl( i_fd, VIDIOC_ENUMSTD, &t_standards ) >=0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_ENUMSTD, &t_standards ) >=0 )
{
p_sys->i_standard++;
t_standards.index = p_sys->i_standard;
@@ -2635,7 +2680,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
p_sys->p_standards[i_standard].index = i_standard;
- if( ioctl( i_fd, VIDIOC_ENUMSTD, &p_sys->p_standards[i_standard] ) )
+ if( v4l2_ioctl( i_fd, VIDIOC_ENUMSTD, &p_sys->p_standards[i_standard] ) )
{
msg_Err( p_obj, "cannot get video input standards (%m)" );
goto open_failed;
@@ -2657,9 +2702,9 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
if( p_sys->dev_cap.capabilities & V4L2_CAP_AUDIO )
{
while( p_sys->i_audio < 32 &&
- ioctl( i_fd, VIDIOC_S_AUDIO, &p_sys->p_audios[p_sys->i_audio] ) >= 0 )
+ v4l2_ioctl( i_fd, VIDIOC_S_AUDIO, &p_sys->p_audios[p_sys->i_audio] ) >= 0 )
{
- if( ioctl( i_fd, VIDIOC_G_AUDIO, &p_sys->p_audios[ p_sys->i_audio] ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_G_AUDIO, &p_sys->p_audios[ p_sys->i_audio] ) < 0 )
{
msg_Err( p_obj, "cannot get audio input characteristics (%m)" );
goto open_failed;
@@ -2685,7 +2730,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
struct v4l2_tuner tuner;
memset( &tuner, 0, sizeof(tuner) );
- while( ioctl( i_fd, VIDIOC_G_TUNER, &tuner ) >= 0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_G_TUNER, &tuner ) >= 0 )
{
p_sys->i_tuner++;
memset( &tuner, 0, sizeof(tuner) );
@@ -2699,7 +2744,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
{
p_sys->p_tuners[i_index].index = i_index;
- if( ioctl( i_fd, VIDIOC_G_TUNER, &p_sys->p_tuners[i_index] ) )
+ if( v4l2_ioctl( i_fd, VIDIOC_G_TUNER, &p_sys->p_tuners[i_index] ) )
{
msg_Err( p_obj, "cannot get tuner characteristics (%m)" );
goto open_failed;
@@ -2722,7 +2767,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
struct v4l2_frequency frequency;
memset( &frequency, 0, sizeof( frequency ) );
- if( ioctl( i_fd, VIDIOC_G_FREQUENCY, &frequency ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_G_FREQUENCY, &frequency ) < 0 )
{
msg_Err( p_obj, "cannot get tuner frequency (%m)" );
goto open_failed;
@@ -2747,7 +2792,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
codec.index = i_index;
codec.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- while( ioctl( i_fd, VIDIOC_ENUM_FMT, &codec ) >= 0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_ENUM_FMT, &codec ) >= 0 )
{
i_index++;
codec.index = i_index;
@@ -2762,7 +2807,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
p_sys->p_codecs[i_index].index = i_index;
p_sys->p_codecs[i_index].type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if( ioctl( i_fd, VIDIOC_ENUM_FMT, &p_sys->p_codecs[i_index] ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_ENUM_FMT, &p_sys->p_codecs[i_index] ) < 0 )
{
msg_Err( p_obj, "cannot get codec description (%m)" );
goto open_failed;
@@ -2795,7 +2840,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
struct v4l2_frmsizeenum frmsize;
frmsize.index = 0;
frmsize.pixel_format = p_sys->p_codecs[i_index].pixelformat;
- if( ioctl( i_fd, VIDIOC_ENUM_FRAMESIZES, &frmsize ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_ENUM_FRAMESIZES, &frmsize ) < 0 )
{
/* Not all devices support this ioctl */
msg_Warn( p_obj, "Unable to query for frame sizes" );
@@ -2811,7 +2856,7 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
" device supports size %dx%d",
frmsize.discrete.width, frmsize.discrete.height );
frmsize.index++;
- } while( ioctl( i_fd, VIDIOC_ENUM_FRAMESIZES, &frmsize ) >= 0 );
+ } while( v4l2_ioctl( i_fd, VIDIOC_ENUM_FRAMESIZES, &frmsize ) >= 0 );
break;
case V4L2_FRMSIZE_TYPE_STEPWISE:
msg_Dbg( p_obj,
@@ -2843,12 +2888,12 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
}
- if( i_fd >= 0 ) close( i_fd );
+ if( i_fd >= 0 ) v4l2_close( i_fd );
return true;
open_failed:
- if( i_fd >= 0 ) close( i_fd );
+ if( i_fd >= 0 ) v4l2_close( i_fd );
return false;
}
@@ -3014,7 +3059,7 @@ static void ControlListPrint( vlc_object_t *p_obj, int i_fd,
{
querymenu.index = i_mid;
querymenu.id = queryctrl.id;
- if( ioctl( i_fd, VIDIOC_QUERYMENU, &querymenu ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYMENU, &querymenu ) >= 0 )
{
msg_Dbg( p_obj, " %d: %s",
querymenu.index, querymenu.name );
@@ -3051,7 +3096,7 @@ static void ControlListPrint( vlc_object_t *p_obj, int i_fd,
queryctrl.default_value );
memset( &control, 0, sizeof( control ) );
control.id = queryctrl.id;
- if( ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0 )
{
msg_Dbg( p_obj, " current value: %d", control.value );
}
@@ -3148,13 +3193,13 @@ static int ControlList( vlc_object_t *p_obj, int i_fd,
var_AddCallback( p_obj, "controls-reset", AccessControlResetCallback, NULL );
queryctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
msg_Dbg( p_obj, "Extended control API supported by v4l2 driver" );
/* List extended controls */
queryctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
- while( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.type == V4L2_CTRL_TYPE_CTRL_CLASS )
{
@@ -3192,7 +3237,7 @@ static int ControlList( vlc_object_t *p_obj, int i_fd,
i_cid ++ )
{
queryctrl.id = i_cid;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
@@ -3208,7 +3253,7 @@ static int ControlList( vlc_object_t *p_obj, int i_fd,
i_cid ++ )
{
queryctrl.id = i_cid;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
@@ -3307,11 +3352,11 @@ static int ControlReset( vlc_object_t *p_obj, int i_fd )
memset( &queryctrl, 0, sizeof( queryctrl ) );
queryctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
/* Extended control API supported */
queryctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
- while( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ while( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
if( queryctrl.type == V4L2_CTRL_TYPE_CTRL_CLASS
|| V4L2_CTRL_ID2CLASS( queryctrl.id ) == V4L2_CTRL_CLASS_MPEG )
@@ -3322,7 +3367,7 @@ static int ControlReset( vlc_object_t *p_obj, int i_fd )
struct v4l2_control control;
memset( &control, 0, sizeof( control ) );
control.id = queryctrl.id;
- if( ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
+ if( v4l2_ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
&& queryctrl.default_value != control.value )
{
int i;
@@ -3345,14 +3390,14 @@ static int ControlReset( vlc_object_t *p_obj, int i_fd )
i_cid ++ )
{
queryctrl.id = i_cid;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
struct v4l2_control control;
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
memset( &control, 0, sizeof( control ) );
control.id = queryctrl.id;
- if( ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
+ if( v4l2_ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
&& queryctrl.default_value != control.value )
{
int i;
@@ -3372,14 +3417,14 @@ static int ControlReset( vlc_object_t *p_obj, int i_fd )
i_cid ++ )
{
queryctrl.id = i_cid;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 )
{
struct v4l2_control control;
if( queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
continue;
memset( &control, 0, sizeof( control ) );
control.id = queryctrl.id;
- if( ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
+ if( v4l2_ioctl( i_fd, VIDIOC_G_CTRL, &control ) >= 0
&& queryctrl.default_value != control.value )
{
name2var( queryctrl.name );
@@ -3412,7 +3457,7 @@ static int Control( vlc_object_t *p_obj, int i_fd,
queryctrl.id = i_cid;
- if( ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) < 0
+ if( v4l2_ioctl( i_fd, VIDIOC_QUERYCTRL, &queryctrl ) < 0
|| queryctrl.flags & V4L2_CTRL_FLAG_DISABLED )
{
msg_Dbg( p_obj, "%s (%x) control is not supported.", psz_name, i_cid );
@@ -3433,20 +3478,20 @@ static int Control( vlc_object_t *p_obj, int i_fd,
if( i_value >= 0 )
{
ext_control.value = i_value;
- if( ioctl( i_fd, VIDIOC_S_EXT_CTRLS, &ext_controls ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_EXT_CTRLS, &ext_controls ) < 0 )
{
control.value = i_value;
- if( ioctl( i_fd, VIDIOC_S_CTRL, &control ) < 0 )
+ if( v4l2_ioctl( i_fd, VIDIOC_S_CTRL, &control ) < 0 )
{
msg_Err( p_obj, "unable to set %s (%x) to %d (%m)",
psz_name, i_cid, i_value );
return VLC_EGENERIC;
}
- i_ret = ioctl( i_fd, VIDIOC_G_CTRL, &control );
+ i_ret = v4l2_ioctl( i_fd, VIDIOC_G_CTRL, &control );
}
else
{
- i_ret = ioctl( i_fd, VIDIOC_G_EXT_CTRLS, &ext_controls );
+ i_ret = v4l2_ioctl( i_fd, VIDIOC_G_EXT_CTRLS, &ext_controls );
control.value = ext_control.value;
}
}
--
1.5.4.3
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