/*****************************************************************************
- * aout.cpp: BeOS audio output
+ * AudioOutput.cpp: BeOS audio output
*****************************************************************************
- * Copyright (C) 1999, 2000, 2001 VideoLAN
- * $Id: AudioOutput.cpp,v 1.6 2002/08/29 23:53:22 massiot Exp $
+ * Copyright (C) 1999, 2000, 2001 the VideoLAN team
+ * $Id$
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
+ * Eric Petit <titer@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* 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 <kernel/OS.h>
-#include <View.h>
-#include <Application.h>
-#include <Message.h>
-#include <Locker.h>
-#include <media/MediaDefs.h>
-#include <game/PushGameSound.h>
#include <malloc.h>
-#include <string.h>
-#include <vlc/vlc.h>
-#include <vlc/aout.h>
-#include "aout_internal.h"
+#include <SoundPlayer.h>
+#include <media/MediaDefs.h>
+
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_aout.h>
+extern "C"
+{
+ #include <aout_internal.h>
+}
/*****************************************************************************
* aout_sys_t: BeOS audio output method descriptor
- *****************************************************************************
- * This structure is part of the audio output thread descriptor.
- * It describes some BeOS specific variables.
*****************************************************************************/
-struct aout_sys_t
-{
- BPushGameSound * p_sound;
- gs_audio_format * p_format;
- void * p_buffer;
- int i_buffer_size;
- uint i_buffer_pos;
- volatile vlc_bool_t b_initialized;
- mtime_t clock_diff;
-};
+typedef struct aout_sys_t
+{
+ BSoundPlayer * p_player;
+ mtime_t latency;
-#define FRAME_SIZE 2048
+} aout_sys_t;
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
-int Open ( vlc_object_t * );
-void Close ( vlc_object_t * );
-
-static int SetFormat ( aout_instance_t * );
-static void Play ( aout_instance_t * );
-static int BeOSThread ( aout_instance_t * );
+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: opens a BPushGameSound
+ * 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 ) );
+ if( p_aout->output.p_sys == NULL )
+ return -1;
+ aout_sys_t * p_sys = p_aout->output.p_sys;
- aout_instance_t * p_aout = (aout_instance_t *)p_this;
- struct aout_sys_t * p_sys;
+ aout_VolumeSoftInit( p_aout );
- /* Allocate structure */
- p_aout->output.p_sys = p_sys = (aout_sys_t *)malloc( sizeof( struct aout_sys_t ) );
- memset( p_sys, 0, sizeof( struct aout_sys_t ) );
- if( p_sys == NULL )
+ int i_nb_channels = aout_FormatNbChannels( &p_aout->output.output );
+ /* BSoundPlayer does not support more than 2 channels AFAIK */
+ if( i_nb_channels > 2 )
{
- msg_Err( p_aout, "out of memory" );
- return -1;
+ i_nb_channels = 2;
+ p_aout->output.output.i_physical_channels
+ = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
-
- /* Initialize format */
- p_sys->p_format = (gs_audio_format *)malloc( sizeof( struct gs_audio_format));
- SetFormat(p_aout);
- /* Allocate BPushGameSound */
- p_sys->p_sound = new BPushGameSound( 8192,
- p_sys->p_format,
- 2, NULL );
- if( p_sys->p_sound->InitCheck() != B_OK )
+ 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_CODEC_FL32;
+ p_aout->output.i_nb_samples = 2048 / i_nb_channels;
+ p_aout->output.pf_play = DoNothing;
+
+ p_sys->p_player = new BSoundPlayer( p_format, "player", Play, NULL, p_aout );
+ if( p_sys->p_player->InitCheck() != B_OK )
{
- free( p_sys->p_format );
+ msg_Err( p_aout, "BSoundPlayer InitCheck failed" );
+ delete p_sys->p_player;
free( p_sys );
- msg_Err( p_aout, "cannot initialize BPushGameSound" );
return -1;
}
- if( vlc_thread_create( p_aout, "aout", BeOSThread,
- VLC_THREAD_PRIORITY_OUTPUT, VLC_FALSE ) )
- {
- msg_Err( p_aout, "cannot create aout thread" );
- delete p_sys->p_sound;
- free( p_sys->p_format );
- free( p_sys );
- return -1;
-
- }
-
- p_aout->output.pf_setformat = SetFormat;
- p_aout->output.pf_play = Play;
+ /* Start playing */
+ p_sys->latency = p_sys->p_player->Latency();
+ p_sys->p_player->Start();
+ p_sys->p_player->SetHasData( true );
return 0;
}
/*****************************************************************************
- * SetFormat: sets the dsp output format
+ * CloseAudio
*****************************************************************************/
-static int SetFormat( aout_instance_t *p_aout )
+void CloseAudio ( vlc_object_t * p_this )
{
- /* Initialize some variables */
- p_aout->output.p_sys->p_format->frame_rate = p_aout->output.output.i_rate;
- p_aout->output.p_sys->p_format->channel_count = p_aout->output.output.i_channels;
-
- switch (p_aout->output.output.i_format)
- {
- case AOUT_FMT_S16_LE:
- p_aout->output.p_sys->p_format->format = gs_audio_format::B_GS_S16;
- p_aout->output.p_sys->p_format->byte_order = B_MEDIA_LITTLE_ENDIAN;
- break;
- case AOUT_FMT_S16_BE:
- p_aout->output.p_sys->p_format->format = gs_audio_format::B_GS_S16;
- p_aout->output.p_sys->p_format->byte_order = B_MEDIA_BIG_ENDIAN;
- break;
- case AOUT_FMT_S8:
- p_aout->output.p_sys->p_format->format = gs_audio_format::B_GS_U8;
- p_aout->output.p_sys->p_format->byte_order = B_MEDIA_LITTLE_ENDIAN;
- break;
- case AOUT_FMT_FLOAT32:
- p_aout->output.p_sys->p_format->format = gs_audio_format::B_GS_F;
- p_aout->output.p_sys->p_format->byte_order = B_MEDIA_LITTLE_ENDIAN;
- break;
- default:
- msg_Err( p_aout, "cannot set audio format (%i)",
- p_aout->output.output.i_format );
- return -1;
- }
-
- p_aout->output.p_sys->p_format->buffer_size = 4*8192;
+ aout_instance_t * p_aout = (aout_instance_t *) p_this;
+ aout_sys_t * p_sys = (aout_sys_t *) p_aout->output.p_sys;
- p_aout->output.p_sys->b_initialized = VLC_TRUE;
-
- return( 0 );
+ /* Clean up */
+ p_sys->p_player->Stop();
+ delete p_sys->p_player;
+ free( p_sys );
}
/*****************************************************************************
- * Play: plays a sound samples buffer
- *****************************************************************************
- * This function writes a buffer of i_length bytes in the dsp
+ * Play
*****************************************************************************/
-static void Play( aout_instance_t *p_aout )
+static void Play( void * _p_aout, void * _p_buffer, size_t i_size,
+ const media_raw_audio_format &format )
{
-}
-
-/*****************************************************************************
- * CloseAudio: closes the dsp audio device
- *****************************************************************************/
-void E_(CloseAudio) ( vlc_object_t *p_this )
-{
- aout_instance_t * p_aout = (aout_instance_t *)p_this;
+ 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;
- p_aout->output.p_sys->p_sound->UnlockCyclic();
- p_aout->output.p_sys->p_sound->StopPlaying( );
- delete p_aout->output.p_sys->p_sound;
-
- p_aout->b_die = 1;
- free( p_aout->output.p_sys->p_format );
- free( p_aout->output.p_sys );
-}
+ p_aout_buffer = aout_OutputNextBuffer( p_aout,
+ mdate() + p_sys->latency,
+ false );
-/*****************************************************************************
- * GetBufInfo: buffer status query
- *****************************************************************************
- * This function fills in the audio_buf_info structure :
- * - returns : number of available fragments (not partially used ones)
- * - int fragstotal : total number of fragments allocated
- * - int fragsize : size of a fragment in bytes
- * - int bytes : available space in bytes (includes partially used fragments)
- * Note! 'bytes' could be more than fragments*fragsize
- *****************************************************************************/
-static int GetBufInfo( aout_instance_t * p_aout )
-{
- /* returns the allocated space in bytes */
- return ( p_aout->output.p_sys->p_format->buffer_size );
-}
-
-/*****************************************************************************
- * BeOSThread: asynchronous thread used to DMA the data to the device
- *****************************************************************************/
-static int BeOSThread( aout_instance_t * p_aout )
-{
- struct aout_sys_t * p_sys = p_aout->output.p_sys;
-
- static uint i_buffer_pos;
-
- p_sys->p_sound->StartPlaying( );
- p_sys->p_sound->LockForCyclic( &p_sys->p_buffer,
- (size_t *)&p_sys->i_buffer_size );
-
- while ( !p_aout->b_die )
+ if( p_aout_buffer != NULL )
{
- aout_buffer_t * p_buffer;
- int i_tmp, i_size;
- byte_t * p_bytes;
-
- if( !p_sys->b_initialized )
+ 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 )
{
- msleep( THREAD_SLEEP );
- continue;
- }
- mtime_t next_date = 0;
- /* Get the presentation date of the next write() operation. It
- * is equal to the current date + duration of buffered samples.
- * Order is important here, since GetBufInfo is believed to take
- * more time than mdate(). */
- next_date = (mtime_t)GetBufInfo( p_aout ) * 1000000
- / p_aout->output.output.i_bytes_per_frame
- / p_aout->output.output.i_rate
- * p_aout->output.output.i_frame_length;
- next_date += mdate();
-
- p_buffer = aout_OutputNextBuffer( p_aout, next_date, VLC_FALSE );
-
- int i_newbuf_pos;
- if ( p_buffer != NULL )
- {
- p_bytes = p_buffer->p_buffer;
- i_size = p_buffer->i_nb_bytes;
- }
- else
- {
- i_size = FRAME_SIZE / p_aout->output.output.i_frame_length
- * p_aout->output.output.i_bytes_per_frame;
- p_bytes = (byte_t *)malloc( i_size );
- memset( p_bytes, 0, i_size );
- }
-
- if( (i_newbuf_pos = i_buffer_pos + p_buffer->i_size)
- > p_aout->output.p_sys->i_buffer_size )
- {
- p_aout->p_vlc->pf_memcpy( (void *)((int)p_aout->output.p_sys->p_buffer
- + i_buffer_pos),
- p_buffer->p_buffer,
- p_aout->output.p_sys->i_buffer_size - i_buffer_pos );
-
- p_aout->p_vlc->pf_memcpy( (void *)((int)p_aout->output.p_sys->p_buffer),
- p_buffer->p_buffer + p_aout->output.p_sys->i_buffer_size - i_buffer_pos,
- p_buffer->i_size - ( p_aout->output.p_sys->i_buffer_size - i_buffer_pos ) );
-
- i_buffer_pos = i_newbuf_pos - i_buffer_pos;
- }
- else
- {
- p_aout->p_vlc->pf_memcpy( (void *)((int)p_aout->output.p_sys->p_buffer + i_buffer_pos),
- p_buffer->p_buffer, p_buffer->i_size );
-
- i_buffer_pos = i_newbuf_pos;
+ 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
+ {
+ vlc_memset( p_buffer, 0, i_size );
}
-
- return 0;
-
}
+/*****************************************************************************
+ * DoNothing
+ *****************************************************************************/
+static void DoNothing( aout_instance_t *p_aout )
+{
+ return;
+}
projects / vlc / blobdiff