/*****************************************************************************
- * aout.cpp: BeOS audio output
+ * AudioOutput.cpp: BeOS audio output
*****************************************************************************
- * Copyright (C) 1999, 2000, 2001 VideoLAN
- * $Id: AudioOutput.cpp,v 1.11 2002/10/13 15:39:16 titer Exp $
+ * Copyright (C) 1999, 2000, 2001 the VideoLAN team
+ * $Id$
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* 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 <stdio.h>
-#include <stdlib.h> /* malloc(), free() */
#include <malloc.h>
-#include <string.h>
#include <SoundPlayer.h>
+#include <media/MediaDefs.h>
+
-#include <vlc/vlc.h>
-#include <vlc/aout.h>
-#include "aout_internal.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#define FRAME_SIZE 2048
+#include <vlc_common.h>
+#include <vlc_aout.h>
+extern "C"
+{
+ #include <aout_internal.h>
+}
/*****************************************************************************
* aout_sys_t: BeOS audio output method descriptor
typedef struct aout_sys_t
{
- BSoundPlayer *p_player;
- float *p_buffer;
- int i_got_data;
+ BSoundPlayer * p_player;
+ mtime_t latency;
+
} aout_sys_t;
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
-static void Play ( void *p_aout, void *p_buffer, size_t size,
- const media_raw_audio_format &format );
-static void DoNothing ( aout_instance_t *p_aout );
+static void Play ( void * p_aout, void * p_buffer, size_t size,
+ const media_raw_audio_format & format );
+static void DoNothing ( aout_instance_t * p_aout );
/*****************************************************************************
* OpenAudio
*****************************************************************************/
-int E_(OpenAudio) ( vlc_object_t * p_this )
+int OpenAudio ( vlc_object_t * p_this )
{
- aout_instance_t *p_aout = (aout_instance_t*) p_this;
- p_aout->output.p_sys = (aout_sys_t *) malloc( sizeof( aout_sys_t ) );
-
- aout_sys_t *p_sys = p_aout->output.p_sys;
- p_sys->i_got_data = 0;
- p_sys->p_buffer = (float*) malloc( 16384 ); /*FIXME*/
+ aout_instance_t * p_aout = (aout_instance_t*) p_this;
+ p_aout->output.p_sys = (aout_sys_t*) malloc( sizeof( aout_sys_t ) );
+ if( p_aout->output.p_sys == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ return -1;
+ }
+ aout_sys_t * p_sys = p_aout->output.p_sys;
aout_VolumeSoftInit( p_aout );
-
+
+ int i_nb_channels = aout_FormatNbChannels( &p_aout->output.output );
+ /* BSoundPlayer does not support more than 2 channels AFAIK */
+ if( i_nb_channels > 2 )
+ {
+ i_nb_channels = 2;
+ p_aout->output.output.i_physical_channels
+ = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ }
+
+ media_raw_audio_format * p_format;
+ p_format = (media_raw_audio_format*)
+ malloc( sizeof( media_raw_audio_format ) );
+
+ p_format->channel_count = i_nb_channels;
+ p_format->frame_rate = p_aout->output.output.i_rate;
+ p_format->format = media_raw_audio_format::B_AUDIO_FLOAT;
+#ifdef WORDS_BIGENDIAN
+ p_format->byte_order = B_MEDIA_BIG_ENDIAN;
+#else
+ p_format->byte_order = B_MEDIA_LITTLE_ENDIAN;
+#endif
+ p_format->buffer_size = 8192;
+
p_aout->output.output.i_format = VLC_FOURCC('f','l','3','2');
- p_aout->output.i_nb_samples = FRAME_SIZE;
+ p_aout->output.i_nb_samples = 2048 / i_nb_channels;
p_aout->output.pf_play = DoNothing;
- p_aout->output.output.i_rate = 44100;
- p_aout->output.output.i_channels = 2;
- p_sys->p_player = new BSoundPlayer( "player", Play, NULL, p_this );
+ p_sys->p_player = new BSoundPlayer( p_format, "player", Play, NULL, p_aout );
+ if( p_sys->p_player->InitCheck() != B_OK )
+ {
+ msg_Err( p_aout, "BSoundPlayer InitCheck failed" );
+ delete p_sys->p_player;
+ free( p_sys );
+ return -1;
+ }
+
+ /* Start playing */
+ p_sys->latency = p_sys->p_player->Latency();
p_sys->p_player->Start();
p_sys->p_player->SetHasData( true );
-
+
return 0;
}
/*****************************************************************************
* CloseAudio
*****************************************************************************/
-void E_(CloseAudio) ( vlc_object_t *p_this )
+void CloseAudio ( vlc_object_t * p_this )
{
aout_instance_t * p_aout = (aout_instance_t *) p_this;
aout_sys_t * p_sys = (aout_sys_t *) p_aout->output.p_sys;
-
+
+ /* Clean up */
p_sys->p_player->Stop();
- p_aout->b_die = 1;
delete p_sys->p_player;
free( p_sys );
}
/*****************************************************************************
* Play
*****************************************************************************/
-static void Play( void *aout, void *buffer, size_t size,
+static void Play( void * _p_aout, void * _p_buffer, size_t i_size,
const media_raw_audio_format &format )
{
+ aout_instance_t * p_aout = (aout_instance_t*) _p_aout;
+ float * p_buffer = (float*) _p_buffer;
+ aout_sys_t * p_sys = (aout_sys_t*) p_aout->output.p_sys;
aout_buffer_t * p_aout_buffer;
- aout_instance_t *p_aout = (aout_instance_t*) aout;
- aout_sys_t *p_sys = p_aout->output.p_sys;
- float *p_buffer = (float*) buffer;
+ p_aout_buffer = aout_OutputNextBuffer( p_aout,
+ mdate() + p_sys->latency,
+ false );
- /* <kludge> */
- /* Usually BSoundPlay asks for 8192 bytes buffers, while vlc gives
- a 16384 one. So we keep the second half of it in p_sys->p_buffer */
-
- if( p_sys->i_got_data )
+ if( p_aout_buffer != NULL )
{
- memcpy( p_buffer, p_sys->p_buffer, 8192 );
- p_sys->i_got_data = 0;
+ vlc_memcpy( p_buffer, p_aout_buffer->p_buffer,
+ MIN( i_size, p_aout_buffer->i_nb_bytes ) );
+ if( p_aout_buffer->i_nb_bytes < i_size )
+ {
+ vlc_memset( p_buffer + p_aout_buffer->i_nb_bytes,
+ 0, i_size - p_aout_buffer->i_nb_bytes );
+ }
+ aout_BufferFree( p_aout_buffer );
}
else
{
- p_aout_buffer = aout_FifoPop( p_aout, &p_aout->output.fifo );
-
- if( p_aout_buffer != NULL )
- {
- memcpy( p_buffer,
- p_aout_buffer->p_buffer,
- 8192 );
- memcpy( p_sys->p_buffer,
- p_aout_buffer->p_buffer + 8192,
- 8192 );
- p_sys->i_got_data = 1;
- }
+ vlc_memset( p_buffer, 0, i_size );
}
-
- /* </kludge> */
}
/*****************************************************************************
- * DoNothing
+ * DoNothing
*****************************************************************************/
-static void DoNothing( aout_instance_t *p_aout)
+static void DoNothing( aout_instance_t *p_aout )
{
return;
}
projects / vlc / blobdiff