videolan
/
vlc
mirror of https://code.videolan.org/videolan/vlc
1
Fork 0
Code Releases Activity

Simplify Alsa detection and drop support for alsa < 1.0.0 (out in 2003)

This commit is contained in:
Jean-Baptiste Kempf 2009-08-07 22:03:28 +02:00
parent 0a27d51907
commit 015989f3ba
2 changed files with 2 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
configure.ac
View File

@ -4173,29 +4173,7 @@ PKG_ENABLE_MODULES_VLC([PORTAUDIO], [], [portaudio-2.0], [Portaudio library supp
dnl
dnl ALSA module
dnl
AC_ARG_ENABLE(alsa,
[ --enable-alsa ALSA sound support for Linux (default enabled)])
if test "${enable_alsa}" != "no"
then
AC_CHECK_HEADER(alsa/asoundlib.h, AC_CHECK_LIB(asound, main, have_alsa="true", have_alsa="false"),have_alsa="false")
if test "${have_alsa}" = "true"
then
CFLAGS="${CFLAGS_save}"
AC_TRY_COMPILE([#define ALSA_PCM_NEW_HW_PARAMS_API
#define ALSA_PCM_NEW_SW_PARAMS_API
#include <alsa/asoundlib.h>],
[snd_pcm_hw_params_get_period_time(0,0,0);],
AC_DEFINE(HAVE_ALSA_NEW_API, 1, Define if ALSA is at least rc4))
VLC_ADD_PLUGIN([alsa])
VLC_ADD_LIBS([alsa],[-lasound -lm -ldl])
VLC_ADD_PLUGIN([access_alsa])
VLC_ADD_LIBS([access_alsa],[-lasound -lm -ldl])
else
if test "${enable_alsa}" = "yes"; then
AC_MSG_ERROR([Could not find ALSA development headers])
fi
fi
fi
PKG_ENABLE_MODULES_VLC([ALSA], [], [alsa >= 1.0.0], [Alsa sound support for linux], [auto])
dnl
dnl win32 waveOut plugin

23
modules/audio_output/alsa.c
View File

@ -571,15 +571,9 @@ static int Open( vlc_object_t *p_this )
/* Set rate. */
i_old_rate = p_aout->output.output.i_rate;
#ifdef HAVE_ALSA_NEW_API
i_snd_rc = snd_pcm_hw_params_set_rate_near( p_sys->p_snd_pcm, p_hw,
&p_aout->output.output.i_rate,
NULL );
#else
i_snd_rc = snd_pcm_hw_params_set_rate_near( p_sys->p_snd_pcm, p_hw,
p_aout->output.output.i_rate,
NULL );
#endif
if( i_snd_rc < 0 || p_aout->output.output.i_rate != i_old_rate )
{
msg_Warn( p_aout, "The rate %d Hz is not supported by your " \
@ -588,13 +582,8 @@ static int Open( vlc_object_t *p_this )
}
/* Set period size. */
#ifdef HAVE_ALSA_NEW_API
if ( ( i_snd_rc = snd_pcm_hw_params_set_period_size_near( p_sys->p_snd_pcm,
p_hw, &i_period_size, NULL ) ) < 0 )
#else
if ( ( i_snd_rc = snd_pcm_hw_params_set_period_size_near( p_sys->p_snd_pcm,
p_hw, i_period_size, NULL ) ) < 0 )
#endif
{
msg_Err( p_aout, "unable to set period size (%s)",
snd_strerror( i_snd_rc ) );
@ -603,13 +592,8 @@ static int Open( vlc_object_t *p_this )
p_aout->output.i_nb_samples = i_period_size;
/* Set buffer size. */
#ifdef HAVE_ALSA_NEW_API
if ( ( i_snd_rc = snd_pcm_hw_params_set_buffer_size_near( p_sys->p_snd_pcm,
p_hw, &i_buffer_size ) ) < 0 )
#else
if ( ( i_snd_rc = snd_pcm_hw_params_set_buffer_size_near( p_sys->p_snd_pcm,
p_hw, i_buffer_size ) ) < 0 )
#endif
{
msg_Err( p_aout, "unable to set buffer size (%s)",
snd_strerror( i_snd_rc ) );
@ -637,13 +621,8 @@ static int Open( vlc_object_t *p_this )
}
}
#ifdef HAVE_ALSA_NEW_API
if( ( i_snd_rc = snd_pcm_hw_params_get_period_time( p_hw,
&p_sys->i_period_time, NULL ) ) < 0 )
#else
if( ( p_sys->i_period_time =
(int)snd_pcm_hw_params_get_period_time( p_hw, NULL ) ) < 0 )
#endif
{
msg_Err( p_aout, "unable to get period time (%s)",
snd_strerror( i_snd_rc ) );
@ -774,7 +753,7 @@ static void* ALSAThread( vlc_object_t* p_this )
vlc_mutex_unlock( &p_sys->lock );
if( !vlc_object_alive (p_aout) )
goto cleanup;
goto cleanup;
mwait( p_sys->start_date - AOUT_PTS_TOLERANCE / 4 );