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Commit 313cf680 authored by Henri Fallon's avatar Henri Fallon
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- Cosmetic changes to alsa.c
- Configure now checks alsa is present
parent b9079557
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Showing with 261 additions and 196 deletions
configure
View file @ 313cf680
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configure.in
View file @ 313cf680
......@@ -115,12 +115,12 @@ AC_ARG_ENABLE(glide,
AC_ARG_ENABLE(gnome,
[ --enable-gnome Gnome support (default disabled)],
[if test x$enable_gnome = xyes; then PLUGINS=${PLUGINS}"gnome "; ALIASES=${ALIASES}"gvlc "; fi])
AC_ARG_ENABLE(alsa,
[ --enable-alsa Alsa sound drivers supprt (default disabled)],
[if test x$enable_alsa = xyes; then PLUGINS=${PLUGINS}"alsa "; fi])
AC_ARG_ENABLE(x11,
[ --enable-x11 X11 support (default enabled)])
if test x$enable_x11 != xno; then PLUGINS=${PLUGINS}"x11 "; fi
[ --enable-x11 X11 support (default enabled)],
[if test x$enable_x11 != xno; then PLUGINS=${PLUGINS}"x11 "; fi])
AC_ARG_ENABLE(alsa,
[ --enable-alsa Alsa sound drivers supprt (Only for linux) (default disabled)],
[if test x$enable_alsa = xyes; then AC_CHECK_HEADER(sys/asoundlib.h, AC_CHECK_LIB(asound, main, have_alsa="true", have_alsa="false"),have_alsa="false") if test $have_alsa = true; then PLUGINS=${PLUGINS}"alsa "; fi; fi])
fi
......
plugins/alsa/aout_alsa.c
View file @ 313cf680
......@@ -28,10 +28,7 @@
#include "defs.h"
#include <errno.h> /* ENOMEM */
#include <fcntl.h> /* open(), O_WRONLY */
#include <sys/ioctl.h> /* ioctl() */
#include <string.h> /* strerror() */
#include <unistd.h> /* write(), close() */
#include <stdio.h> /* "intf_msg.h" */
#include <stdlib.h> /* calloc(), malloc(), free() */
......@@ -66,11 +63,11 @@ typedef struct alsa_card_s
typedef struct aout_sys_s
{
snd_pcm_t * p_alsa_handle;
alsa_device_t * p_alsa_device;
alsa_card_t * p_alsa_card;
snd_pcm_t * p_alsa_handle;
alsa_device_t s_alsa_device;
alsa_card_t s_alsa_card;
snd_pcm_channel_params_t s_alsa_channel_params;
snd_pcm_format_t s_alsa_format;
snd_pcm_format_t s_alsa_format;
} aout_sys_t;
......@@ -88,22 +85,14 @@ int aout_AlsaOpen( aout_thread_t *p_aout )
p_aout->p_sys = malloc( sizeof( aout_sys_t ) );
if( p_aout->p_sys == NULL )
{
intf_ErrMsg("Alsa Plugin : Could not allocate memory\n");
intf_ErrMsg("error: %s\n", strerror(ENOMEM) );
return( 1 );
}
p_aout->p_sys->p_alsa_device = malloc( sizeof( alsa_device_t) );
p_aout->p_sys->p_alsa_card = malloc( sizeof( alsa_device_t ) );
if( ( p_aout->p_sys->p_alsa_device == NULL ) ||
( p_aout->p_sys->p_alsa_card == NULL ) )
{
intf_ErrMsg ( "error: %s\n", strerror(ENOMEM) );
return ( 1 );
}
/* Initialize */
p_aout->p_sys->p_alsa_device->i_num = 0;
p_aout->p_sys->p_alsa_card->i_num = 0;
p_aout->p_sys->s_alsa_device.i_num = 0;
p_aout->p_sys->s_alsa_card.i_num = 0;
/* FIXME : why not other format ? */
p_aout->i_format = AOUT_FMT_S16_LE;
/* FIXME : why always 2 channels ?*/
......@@ -112,18 +101,18 @@ int aout_AlsaOpen( aout_thread_t *p_aout )
/* Open device */
if ( ( i_open_returns = snd_pcm_open( &(p_aout->p_sys->p_alsa_handle),
p_aout->p_sys->p_alsa_card->i_num,
p_aout->p_sys->p_alsa_device->i_num,
p_aout->p_sys->s_alsa_card.i_num,
p_aout->p_sys->s_alsa_device.i_num,
SND_PCM_OPEN_PLAYBACK ) ) )
{
intf_ErrMsg ( "could not open alsa device; error code : %i\n",
intf_ErrMsg ( "Could not open alsa device; exit = %i\n",
i_open_returns );
intf_ErrMsg ( "This means : %s\n\n",snd_strerror(i_open_returns) );
return ( 1 );
}
intf_DbgMsg("Alsa plugin : Alsa device successfully opened\n");
return ( 0 );
intf_ErrMsg("Alsa device open \n\n");
}
......@@ -156,7 +145,6 @@ int aout_AlsaSetFormat ( aout_thread_t *p_aout )
else
p_aout->p_sys->s_alsa_channel_params.format.format =
SND_PCM_SFMT_S16_BE;
p_aout->p_sys->s_alsa_channel_params.format.rate = p_aout->l_rate;
p_aout->p_sys->s_alsa_channel_params.format.voices = p_aout->i_channels ;
......@@ -167,8 +155,10 @@ int aout_AlsaSetFormat ( aout_thread_t *p_aout )
/* Buffer information . I have chosen the stream mode here
* instead of the block mode. I don't know whether i'm wrong
* but it seemed more logical */
/* TODO : find the best value to put here. Probably depending
* on many parameters */
p_aout->p_sys->s_alsa_channel_params.buf.stream.queue_size = 131072;
/* Fill with silence */
p_aout->p_sys->s_alsa_channel_params.buf.stream.fill = SND_PCM_FILL_NONE ;
p_aout->p_sys->s_alsa_channel_params.buf.stream.max_fill = 0 ;
......@@ -200,7 +190,7 @@ int aout_AlsaSetFormat ( aout_thread_t *p_aout )
return ( 1 );
}
/* then we may go */
/* then we may go */
i_playback_go_returns =
snd_pcm_playback_go ( p_aout->p_sys->p_alsa_handle );
if ( i_playback_go_returns )
......@@ -256,6 +246,7 @@ long aout_AlsaGetBufInfo ( aout_thread_t *p_aout, long l_buffer_limit )
int i_alsa_get_status_returns;
memset (&alsa_channel_status, 0, sizeof(alsa_channel_status));
i_alsa_get_status_returns = snd_pcm_channel_status (
p_aout->p_sys->p_alsa_handle, &alsa_channel_status );
......@@ -273,20 +264,20 @@ long aout_AlsaGetBufInfo ( aout_thread_t *p_aout, long l_buffer_limit )
case SND_PCM_STATUS_NOTREADY : intf_ErrMsg("Status NOT READY \n \n");
break;
case SND_PCM_STATUS_UNDERRUN : {
int i_drain_returns;
int i_prepare_returns;
intf_ErrMsg(
"Status UNDERRUN ... draining \n \n");
i_drain_returns =
"Status UNDERRUN ... reseting queue \n \n");
i_prepare_returns =
snd_pcm_playback_prepare(
p_aout->p_sys->p_alsa_handle );
if ( i_drain_returns )
if ( i_prepare_returns )
{
intf_ErrMsg(
"Error : could not flush : %i\n",
i_drain_returns);
i_prepare_returns);
intf_ErrMsg(
"This means : %s\n",
snd_strerror(i_drain_returns));
snd_strerror(i_prepare_returns));
}
break;
}
......@@ -325,4 +316,7 @@ void aout_AlsaClose ( aout_thread_t *p_aout )
intf_ErrMsg( "Error closing alsa device; exit=%i\n",i_close_returns );
intf_ErrMsg( "This means : %s\n\n",snd_strerror( i_close_returns ) );
}
free(p_aout->p_sys);
intf_DbgMsg( "Alsa plugin : Alsa device closed\n");
}
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