/*****************************************************************************
* esd.c : EsounD module
*****************************************************************************
- * Copyright (C) 2000, 2001 VideoLAN
- * $Id: esd.c,v 1.16 2003/01/28 03:46:22 sam Exp $
+ * Copyright (C) 2000, 2001 the VideoLAN team
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <errno.h> /* ENOMEM */
-#include <fcntl.h> /* open(), O_WRONLY */
-#include <string.h> /* strerror() */
#include <unistd.h> /* write(), close() */
-#include <stdlib.h> /* calloc(), malloc(), free() */
-#include <vlc/vlc.h>
-#include <vlc/aout.h>
-#include "aout_internal.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_aout.h>
+
+#include <sys/socket.h>
+
+#include <sys/time.h>
+#include <time.h>
#include <esd.h>
esd_format_t esd_format;
int i_fd;
- mtime_t latency;
+ mtime_t latency; /* unused, but we might do something with it */
};
/*****************************************************************************
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static void Play ( aout_instance_t * );
-static int ESDThread ( aout_instance_t * );
-static void ESDLoop ( aout_instance_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
- set_description( _("EsounD audio module") );
+ set_description( N_("EsounD audio output") );
+ set_shortname( "EsounD" );
set_capability( "audio output", 50 );
+ add_string( "esdserver", "", NULL, N_("Esound server"), NULL, false );
+ set_category( CAT_AUDIO );
+ set_subcategory( SUBCAT_AUDIO_AOUT );
set_callbacks( Open, Close );
add_shortcut( "esound" );
vlc_module_end();
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys;
+ char * psz_server;
int i_nb_channels;
+ int i_newfd;
/* Allocate structure */
p_sys = malloc( sizeof( aout_sys_t ) );
if( p_sys == NULL )
- {
- msg_Err( p_aout, "out of memory" );
- return -1;
- }
+ return VLC_ENOMEM;
p_aout->output.p_sys = p_sys;
break;
}
- /* open a socket for playing a stream
+ /* Force the rate, otherwise the sound is very noisy */
+ p_aout->output.output.i_rate = ESD_DEFAULT_RATE;
+ p_aout->output.i_nb_samples = ESD_BUF_SIZE * 2;
+
+ /* Open a socket for playing a stream
* and try to open /dev/dsp if there's no EsounD */
- p_sys->i_fd = esd_play_stream_fallback( p_sys->esd_format,
- p_aout->output.output.i_rate, NULL, "vlc" );
+ psz_server = config_GetPsz( p_aout, "esdserver" );
+ if( psz_server && *psz_server )
+ {
+ p_sys->i_fd = esd_play_stream_fallback( p_sys->esd_format,
+ p_aout->output.output.i_rate,
+ psz_server, "vlc" );
+ }
+ else
+ {
+ p_sys->i_fd = esd_play_stream_fallback( p_sys->esd_format,
+ p_aout->output.output.i_rate,
+ NULL, "vlc" );
+ }
+
if( p_sys->i_fd < 0 )
{
msg_Err( p_aout, "cannot open esound socket (format 0x%08x at %d Hz)",
p_sys->esd_format, p_aout->output.output.i_rate );
+ free( psz_server );
free( p_sys );
- return -1;
+ return VLC_EGENERIC;
}
- p_aout->output.i_nb_samples = ESD_BUF_SIZE * 2;
+ if( psz_server && *psz_server )
+ {
+ struct timeval start, stop;
+ esd_server_info_t * p_info;
+
+ gettimeofday( &start, NULL );
+ p_info = esd_get_server_info( p_sys->i_fd );
+ gettimeofday( &stop, NULL );
+
+ p_sys->latency = (mtime_t)( stop.tv_sec - start.tv_sec )
+ * (mtime_t)1000000;
+ p_sys->latency += stop.tv_usec - start.tv_usec;
+ }
+ else
+ {
+ p_sys->latency = 0;
+ }
/* ESD latency is calculated for 44100 Hz. We don't have any way to get the
* number of buffered samples, so I assume ESD_BUF_SIZE/2 */
- p_sys->latency =
- (mtime_t)( esd_get_latency( esd_open_sound(NULL) ) + ESD_BUF_SIZE/2
- * p_aout->output.output.i_bytes_per_frame
- * p_aout->output.output.i_rate
- / ESD_DEFAULT_RATE )
+ p_sys->latency +=
+ (mtime_t)( esd_get_latency( i_newfd = esd_open_sound(NULL) )
+ + ESD_BUF_SIZE / 2
+ * p_aout->output.output.i_bytes_per_frame
+ * p_aout->output.output.i_rate
+ / ESD_DEFAULT_RATE )
* (mtime_t)1000000
/ p_aout->output.output.i_bytes_per_frame
/ p_aout->output.output.i_rate;
- /* Create ESD thread and wait for its readiness. */
- if( vlc_thread_create( p_aout, "aout", ESDThread,
- VLC_THREAD_PRIORITY_OUTPUT, VLC_FALSE ) )
- {
- msg_Err( p_aout, "cannot create ESD thread (%s)", strerror(errno) );
- close( p_sys->i_fd );
- free( p_sys );
- return -1;
- }
-
- return 0;
+ free( psz_server );
+ close( i_newfd );
+ return VLC_SUCCESS;
}
/*****************************************************************************
*****************************************************************************/
static void Play( aout_instance_t *p_aout )
{
-}
-
-/*****************************************************************************
- * Close: close the Esound socket
- *****************************************************************************/
-static void Close( vlc_object_t *p_this )
-{
- aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
+ aout_buffer_t * p_buffer;
+ int i_tmp;
- p_aout->b_die = 1;
- vlc_thread_join( p_aout );
-
- close( p_sys->i_fd );
- free( p_sys );
-}
+ p_buffer = aout_FifoPop( p_aout, &p_aout->output.fifo );
-/*****************************************************************************
- * ESDThread: asynchronous thread used to DMA the data to the device
- *****************************************************************************/
-static int ESDThread( aout_instance_t * p_aout )
-{
- while ( !p_aout->b_die )
+ if ( p_buffer != NULL )
{
- ESDLoop( p_aout );
+ unsigned int pos;
+ unsigned char *data = p_buffer->p_buffer;
+
+ for( pos = 0; pos + ESD_BUF_SIZE <= p_buffer->i_nb_bytes;
+ pos += ESD_BUF_SIZE )
+ {
+ i_tmp = write( p_sys->i_fd, data + pos, ESD_BUF_SIZE );
+ if( i_tmp < 0 )
+ {
+ msg_Err( p_aout, "write failed (%m)" );
+ }
+ }
+ aout_BufferFree( p_buffer );
}
-
- return 0;
}
/*****************************************************************************
- * ESDLoop: ESDThread's inner loop
- *****************************************************************************
- * This is a separate function because it makes use of alloca() which makes
- * use of the caller's stack frame, which means we need to return after each
- * iteration.
+ * Close: close the Esound socket
*****************************************************************************/
-static void ESDLoop( aout_instance_t * p_aout )
+static void Close( vlc_object_t *p_this )
{
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
- aout_buffer_t * p_buffer;
- int i_tmp, i_size;
- byte_t * p_bytes = NULL;
-
- /* Get the presentation date of the next write() operation. It
- * is equal to the current date + buffered samples + esd latency */
- p_buffer = aout_OutputNextBuffer( p_aout, mdate() + p_sys->latency,
- VLC_FALSE );
- if ( p_buffer != NULL )
- {
- p_bytes = p_buffer->p_buffer;
- i_size = p_buffer->i_nb_bytes;
- }
- else
- {
- i_size = ESD_BUF_SIZE * 2
- / p_aout->output.output.i_frame_length
- * p_aout->output.output.i_bytes_per_frame;
- p_bytes = alloca( i_size );
- memset( p_bytes, 0, i_size );
- }
-
- i_tmp = write( p_sys->i_fd, p_bytes, i_size );
-
- if( i_tmp < 0 )
- {
- msg_Err( p_aout, "write failed (%s)", strerror(errno) );
- }
-
- if ( p_buffer != NULL )
- {
- aout_BufferFree( p_buffer );
- }
+ close( p_sys->i_fd );
+ free( p_sys );
}
#if 0
*****************************************************************************
* This function writes a buffer of i_length bytes in the socket
*****************************************************************************/
-static void Play( aout_thread_t *p_aout, byte_t *buffer, int i_size )
+static void Play( aout_thread_t *p_aout, uint8_t *buffer, int i_size )
{
int i_amount;
projects / vlc / blobdiff