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Commit af85b12e authored by Sam Hocevar's avatar Sam Hocevar
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* modules/access/v4l/v4l.c: 

    + Removed my name from this file, I didn't contribute anything major to it.
    + Added strerror(errno) where adequate, as well as additional debug
      information, hopefully more useful than "cannot open".
parent e92510e2
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Showing with 31 additions and 25 deletions
modules/access/v4l/v4l.c
View file @ af85b12e
......@@ -2,10 +2,9 @@
* v4l.c : Video4Linux input module for vlc
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: v4l.c,v 1.18 2003/07/24 18:27:07 bigben Exp $
* $Id: v4l.c,v 1.19 2003/07/24 22:05:16 sam Exp $
*
* Author: Samuel Hocevar <sam@zoy.org>
* Laurent Aimar <fenrir@via.ecp.fr>
* Author: Laurent Aimar <fenrir@via.ecp.fr>
* Paul Forgey <paulf at aphrodite dot com>
*
* This program is free software; you can redistribute it and/or modify
......@@ -481,13 +480,13 @@ static int AccessOpen( vlc_object_t *p_this )
if( ( p_sys->fd = open( p_sys->psz_video_device, O_RDWR ) ) < 0 )
{
msg_Err( p_input, "cannot open device" );
msg_Err( p_input, "cannot open device (%s)", strerror( errno ) );
goto failed;
}
if( ioctl( p_sys->fd, VIDIOCGCAP, &p_sys->vid_cap ) < 0 )
{
msg_Err( p_input, "cannot get capabilities" );
msg_Err( p_input, "cannot get capabilities (%s)", strerror( errno ) );
goto failed;
}
......@@ -513,17 +512,17 @@ static int AccessOpen( vlc_object_t *p_this )
if( p_sys->i_width < p_sys->vid_cap.minwidth ||
p_sys->i_width > p_sys->vid_cap.maxwidth )
{
msg_Dbg( p_input, "invalid width" );
msg_Dbg( p_input, "invalid width %i", p_sys->i_width );
p_sys->i_width = 0;
}
if( p_sys->i_height < p_sys->vid_cap.minheight ||
p_sys->i_height > p_sys->vid_cap.maxheight )
{
msg_Dbg( p_input, "invalid height" );
msg_Dbg( p_input, "invalid height %i", p_sys->i_height );
p_sys->i_height = 0;
}
if( !( p_sys->vid_cap.type&VID_TYPE_CAPTURE ) )
if( !( p_sys->vid_cap.type & VID_TYPE_CAPTURE ) )
{
msg_Err( p_input, "cannot grab" );
goto failed;
......@@ -532,7 +531,8 @@ static int AccessOpen( vlc_object_t *p_this )
vid_channel.channel = p_sys->i_channel;
if( ioctl( p_sys->fd, VIDIOCGCHAN, &vid_channel ) < 0 )
{
msg_Err( p_input, "cannot get channel infos" );
msg_Err( p_input, "cannot get channel infos (%s)",
strerror( errno ) );
goto failed;
}
msg_Dbg( p_input,
......@@ -553,7 +553,7 @@ static int AccessOpen( vlc_object_t *p_this )
vid_channel.norm = p_sys->i_norm;
if( ioctl( p_sys->fd, VIDIOCSCHAN, &vid_channel ) < 0 )
{
msg_Err( p_input, "cannot set channel" );
msg_Err( p_input, "cannot set channel (%s)", strerror( errno ) );
goto failed;
}
......@@ -568,7 +568,7 @@ static int AccessOpen( vlc_object_t *p_this )
vid_tuner.tuner = p_sys->i_tuner;
if( ioctl( p_sys->fd, VIDIOCGTUNER, &vid_tuner ) < 0 )
{
msg_Err( p_input, "cannot get tuner" );
msg_Err( p_input, "cannot get tuner (%s)", strerror( errno ) );
goto failed;
}
msg_Dbg( p_input, "tuner %s low=%d high=%d, flags=0x%x "
......@@ -582,7 +582,7 @@ static int AccessOpen( vlc_object_t *p_this )
//vid_tuner.mode = p_sys->i_norm; /* FIXME FIXME to be checked FIXME FIXME */
if( ioctl( p_sys->fd, VIDIOCSTUNER, &vid_tuner ) < 0 )
{
msg_Err( p_input, "cannot set tuner" );
msg_Err( p_input, "cannot set tuner (%s)", strerror( errno ) );
goto failed;
}
}
......@@ -597,11 +597,12 @@ static int AccessOpen( vlc_object_t *p_this )
int driver_frequency = p_sys->i_frequency * 16 /1000;
if( ioctl( p_sys->fd, VIDIOCSFREQ, &driver_frequency ) < 0 )
{
msg_Err( p_input, "cannot set frequency" );
msg_Err( p_input, "cannot set frequency (%s)",
strerror( errno ) );
goto failed;
}
msg_Dbg( p_input, "frequency %d (%d)", p_sys->i_frequency,
driver_frequency );
msg_Dbg( p_input, "frequency %d (%d)", p_sys->i_frequency,
driver_frequency );
}
}
......@@ -616,7 +617,7 @@ static int AccessOpen( vlc_object_t *p_this )
vid_audio.audio = p_sys->i_audio;
if( ioctl( p_sys->fd, VIDIOCGAUDIO, &vid_audio ) < 0 )
{
msg_Err( p_input, "cannot get audio" );
msg_Err( p_input, "cannot get audio (%s)", strerror( errno ) );
goto failed;
}
......@@ -625,7 +626,7 @@ static int AccessOpen( vlc_object_t *p_this )
if( ioctl( p_sys->fd, VIDIOCSAUDIO, &vid_audio ) < 0 )
{
msg_Err( p_input, "cannot set audio" );
msg_Err( p_input, "cannot set audio (%s)", strerror( errno ) );
goto failed;
}
}
......@@ -637,7 +638,8 @@ static int AccessOpen( vlc_object_t *p_this )
int i_format;
if( ( p_sys->fd_audio = open( p_sys->psz_adev, O_RDONLY|O_NONBLOCK ) ) < 0 )
{
msg_Err( p_input, "cannot open audio device" );
msg_Err( p_input, "cannot open audio device (%s)",
strerror( errno ) );
goto failed;
}
......@@ -645,22 +647,24 @@ static int AccessOpen( vlc_object_t *p_this )
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_SETFMT, &i_format ) < 0
|| i_format != AFMT_S16_LE )
{
msg_Err( p_input,
"cannot set audio format (16b little endian)" );
msg_Err( p_input, "cannot set audio format (16b little endian) "
"(%s)", strerror( errno ) );
goto failed;
}
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_STEREO,
&p_sys->b_stereo ) < 0 )
{
msg_Err( p_input, "cannot set audio channels count" );
msg_Err( p_input, "cannot set audio channels count (%s)",
strerror( errno ) );
goto failed;
}
if( ioctl( p_sys->fd_audio, SNDCTL_DSP_SPEED,
&p_sys->i_sample_rate ) < 0 )
{
msg_Err( p_input, "cannot set audio sample rate" );
msg_Err( p_input, "cannot set audio sample rate (%s)",
strerror( errno ) );
goto failed;
}
......@@ -685,7 +689,8 @@ static int AccessOpen( vlc_object_t *p_this )
if( ioctl( p_sys->fd, MJPIOC_G_PARAMS, &mjpeg ) < 0 )
{
msg_Err( p_input, "cannot get mjpeg params" );
msg_Err( p_input, "cannot get mjpeg params (%s)",
strerror( errno ) );
goto failed;
}
mjpeg.input = p_sys->i_channel;
......@@ -735,7 +740,8 @@ static int AccessOpen( vlc_object_t *p_this )
if( ioctl( p_sys->fd, MJPIOC_S_PARAMS, &mjpeg ) < 0 )
{
msg_Err( p_input, "cannot set mjpeg params" );
msg_Err( p_input, "cannot set mjpeg params (%s)",
strerror( errno ) );
goto failed;
}
......@@ -751,7 +757,7 @@ static int AccessOpen( vlc_object_t *p_this )
if( ioctl( p_sys->fd, VIDIOCGWIN, &vid_win ) < 0 )
{
msg_Err( p_input, "cannot get win" );
msg_Err( p_input, "cannot get win (%s)", strerror( errno ) );
goto failed;
}
p_sys->i_width = vid_win.width;
......
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