/*****************************************************************************
* dec.c : audio output API towards decoders
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: dec.c,v 1.10 2003/05/22 16:01:02 gbazin Exp $
+ * Copyright (C) 2002-2007 the VideoLAN team
+ * $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
*
* 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 <stdlib.h> /* calloc(), malloc(), free() */
-#include <string.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include <vlc/vlc.h>
+#include <assert.h>
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
+#include <vlc_common.h>
-#include "audio_output.h"
-#include "aout_internal.h"
-#include <vlc/input.h> /* for input_thread_t and i_pts_delay */
+#include <vlc_aout.h>
+#include <vlc_input.h>
-/*
- * Creation/Deletion
- */
+#include "aout_internal.h"
/*****************************************************************************
* aout_DecNew : create a decoder
*****************************************************************************/
-static aout_input_t * DecNew( vlc_object_t * p_this, aout_instance_t * p_aout,
- audio_sample_format_t * p_format )
+static aout_input_t * DecNew( aout_instance_t * p_aout,
+ audio_sample_format_t *p_format,
+ const audio_replay_gain_t *p_replay_gain,
+ const aout_request_vout_t *p_request_vout )
{
aout_input_t * p_input;
- input_thread_t * p_input_thread;
+
+ /* Sanitize audio format */
+ if( p_format->i_channels > 32 )
+ {
+ msg_Err( p_aout, "too many audio channels (%u)",
+ p_format->i_channels );
+ return NULL;
+ }
+ if( p_format->i_channels <= 0 )
+ {
+ msg_Err( p_aout, "no audio channels" );
+ return NULL;
+ }
+ if( p_format->i_channels != aout_FormatNbChannels( p_format ) )
+ {
+ msg_Err( p_aout, "incompatible audio channels count with layout mask" );
+ return NULL;
+ }
+
+ if( p_format->i_rate > 192000 )
+ {
+ msg_Err( p_aout, "excessive audio sample frequency (%u)",
+ p_format->i_rate );
+ return NULL;
+ }
+ if( p_format->i_rate < 4000 )
+ {
+ msg_Err( p_aout, "too low audio sample frequency (%u)",
+ p_format->i_rate );
+ return NULL;
+ }
/* We can only be called by the decoder, so no need to lock
* p_input->lock. */
- vlc_mutex_lock( &p_aout->mixer_lock );
+ aout_lock_mixer( p_aout );
if ( p_aout->i_nb_inputs >= AOUT_MAX_INPUTS )
{
msg_Err( p_aout, "too many inputs already (%d)", p_aout->i_nb_inputs );
- return NULL;
+ goto error;
}
- p_input = malloc(sizeof(aout_input_t));
- if ( p_input == NULL )
- {
- msg_Err( p_aout, "out of memory" );
- return NULL;
- }
+ p_input = calloc( 1, sizeof(aout_input_t));
+ if( !p_input )
+ goto error;
- vlc_mutex_init( p_aout, &p_input->lock );
+ vlc_mutex_init( &p_input->lock );
+
+ p_input->b_changed = false;
+ p_input->b_error = true;
+ p_input->b_paused = false;
+ p_input->i_pause_date = 0;
- p_input->b_changed = 0;
- p_input->b_error = 1;
aout_FormatPrepare( p_format );
+
memcpy( &p_input->input, p_format,
sizeof(audio_sample_format_t) );
+ if( p_replay_gain )
+ p_input->replay_gain = *p_replay_gain;
+ aout_lock_input_fifos( p_aout );
p_aout->pp_inputs[p_aout->i_nb_inputs] = p_input;
p_aout->i_nb_inputs++;
- if ( p_aout->mixer.b_error )
+ if ( !p_aout->p_mixer )
{
int i;
- if ( var_Type( p_aout, "audio-device" ) != 0 )
- {
- var_Destroy( p_aout, "audio-device" );
- }
- if ( var_Type( p_aout, "audio-channels" ) != 0 )
- {
- var_Destroy( p_aout, "audio-channels" );
- }
+ var_Destroy( p_aout, "audio-device" );
+ var_Destroy( p_aout, "audio-channels" );
/* Recreate the output using the new format. */
if ( aout_OutputNew( p_aout, p_format ) < 0 )
{
for ( i = 0; i < p_aout->i_nb_inputs - 1; i++ )
{
- vlc_mutex_lock( &p_aout->pp_inputs[i]->lock );
+ aout_lock_input( p_aout, p_aout->pp_inputs[i] );
aout_InputDelete( p_aout, p_aout->pp_inputs[i] );
- vlc_mutex_unlock( &p_aout->pp_inputs[i]->lock );
+ aout_unlock_input( p_aout, p_aout->pp_inputs[i] );
}
- vlc_mutex_unlock( &p_aout->mixer_lock );
+ aout_unlock_input_fifos( p_aout );
+ aout_unlock_mixer( p_aout );
return p_input;
}
/* Create other input streams. */
for ( i = 0; i < p_aout->i_nb_inputs - 1; i++ )
{
- vlc_mutex_lock( &p_aout->pp_inputs[i]->lock );
- aout_InputDelete( p_aout, p_aout->pp_inputs[i] );
- aout_InputNew( p_aout, p_aout->pp_inputs[i] );
- vlc_mutex_unlock( &p_aout->pp_inputs[i]->lock );
+ aout_input_t *p_input = p_aout->pp_inputs[i];
+
+ aout_lock_input( p_aout, p_input );
+ aout_InputDelete( p_aout, p_input );
+ aout_InputNew( p_aout, p_input, &p_input->request_vout );
+ aout_unlock_input( p_aout, p_input );
}
}
else
if ( aout_MixerNew( p_aout ) == -1 )
{
aout_OutputDelete( p_aout );
- vlc_mutex_unlock( &p_aout->mixer_lock );
- return NULL;
+ aout_unlock_input_fifos( p_aout );
+ goto error;
}
- aout_MixerNew( p_aout );
+ aout_InputNew( p_aout, p_input, p_request_vout );
+ aout_unlock_input_fifos( p_aout );
- aout_InputNew( p_aout, p_input );
-
- vlc_mutex_unlock( &p_aout->mixer_lock );
-
- p_input_thread = (input_thread_t *)vlc_object_find( p_this,
- VLC_OBJECT_INPUT, FIND_PARENT );
- if( p_input_thread )
- {
- p_aout->i_pts_delay = p_input_thread->i_pts_delay;
- p_aout->i_pts_delay += p_aout->p_vlc->i_desync;
- vlc_object_release( p_input_thread );
- }
- else
- {
- p_aout->i_pts_delay = DEFAULT_PTS_DELAY;
- p_aout->i_pts_delay += p_aout->p_vlc->i_desync;
- }
+ aout_unlock_mixer( p_aout );
return p_input;
+
+error:
+ aout_unlock_mixer( p_aout );
+ return NULL;
}
aout_input_t * __aout_DecNew( vlc_object_t * p_this,
aout_instance_t ** pp_aout,
- audio_sample_format_t * p_format )
+ audio_sample_format_t * p_format,
+ const audio_replay_gain_t *p_replay_gain,
+ const aout_request_vout_t *p_request_video )
{
- if ( *pp_aout == NULL )
+ aout_instance_t *p_aout = *pp_aout;
+ if ( p_aout == NULL )
{
- /* Create an audio output if there is none. */
- *pp_aout = vlc_object_find( p_this, VLC_OBJECT_AOUT, FIND_ANYWHERE );
+ msg_Dbg( p_this, "no aout present, spawning one" );
+ p_aout = aout_New( p_this );
- if( *pp_aout == NULL )
- {
- msg_Dbg( p_this, "no aout present, spawning one" );
+ /* Everything failed, I'm a loser, I just wanna die */
+ if( p_aout == NULL )
+ return NULL;
- *pp_aout = aout_New( p_this );
- /* Everything failed, I'm a loser, I just wanna die */
- if( *pp_aout == NULL )
- {
- return NULL;
- }
- }
- else
- {
- vlc_object_release( *pp_aout );
- }
+ vlc_object_attach( p_aout, p_this );
+ *pp_aout = p_aout;
}
- return DecNew( p_this, *pp_aout, p_format );
+ return DecNew( p_aout, p_format, p_replay_gain, p_request_video );
}
/*****************************************************************************
/* This function can only be called by the decoder itself, so no need
* to lock p_input->lock. */
- vlc_mutex_lock( &p_aout->mixer_lock );
+ aout_lock_mixer( p_aout );
for ( i_input = 0; i_input < p_aout->i_nb_inputs; i_input++ )
{
if ( i_input == p_aout->i_nb_inputs )
{
msg_Err( p_aout, "cannot find an input to delete" );
+ aout_unlock_mixer( p_aout );
return -1;
}
{
aout_OutputDelete( p_aout );
aout_MixerDelete( p_aout );
- if ( var_Type( p_aout, "audio-device" ) != 0 )
- {
- var_Destroy( p_aout, "audio-device" );
- }
- if ( var_Type( p_aout, "audio-channels" ) != 0 )
- {
- var_Destroy( p_aout, "audio-channels" );
- }
+ var_Destroy( p_aout, "audio-device" );
+ var_Destroy( p_aout, "audio-channels" );
}
- vlc_mutex_unlock( &p_aout->mixer_lock );
+ aout_unlock_mixer( p_aout );
return 0;
}
/*****************************************************************************
* aout_DecNewBuffer : ask for a new empty buffer
*****************************************************************************/
-aout_buffer_t * aout_DecNewBuffer( aout_instance_t * p_aout,
- aout_input_t * p_input,
+aout_buffer_t * aout_DecNewBuffer( aout_input_t * p_input,
size_t i_nb_samples )
{
aout_buffer_t * p_buffer;
mtime_t duration;
- vlc_mutex_lock( &p_input->lock );
+ aout_lock_input( NULL, p_input );
if ( p_input->b_error )
{
- vlc_mutex_unlock( &p_input->lock );
+ aout_unlock_input( NULL, p_input );
return NULL;
}
duration = (1000000 * (mtime_t)i_nb_samples) / p_input->input.i_rate;
/* This necessarily allocates in the heap. */
- aout_BufferAlloc( &p_input->input_alloc, duration, NULL, p_buffer );
- p_buffer->i_nb_samples = i_nb_samples;
- p_buffer->i_nb_bytes = i_nb_samples * p_input->input.i_bytes_per_frame
- / p_input->input.i_frame_length;
+ p_buffer = aout_BufferAlloc( &p_input->input_alloc, duration, NULL );
+ if( p_buffer != NULL )
+ p_buffer->i_buffer = i_nb_samples * p_input->input.i_bytes_per_frame
+ / p_input->input.i_frame_length;
/* Suppose the decoder doesn't have more than one buffered buffer */
- p_input->b_changed = 0;
+ p_input->b_changed = false;
- vlc_mutex_unlock( &p_input->lock );
+ aout_unlock_input( NULL, p_input );
- if ( p_buffer == NULL )
- {
- msg_Err( p_aout, "NULL buffer !" );
- }
- else
- {
- p_buffer->start_date = p_buffer->end_date = 0;
- }
+ if( p_buffer == NULL )
+ return NULL;
+ p_buffer->i_nb_samples = i_nb_samples;
+ p_buffer->i_pts = p_buffer->i_length = 0;
return p_buffer;
}
void aout_DecDeleteBuffer( aout_instance_t * p_aout, aout_input_t * p_input,
aout_buffer_t * p_buffer )
{
+ (void)p_aout; (void)p_input;
aout_BufferFree( p_buffer );
}
* aout_DecPlay : filter & mix the decoded buffer
*****************************************************************************/
int aout_DecPlay( aout_instance_t * p_aout, aout_input_t * p_input,
- aout_buffer_t * p_buffer )
+ aout_buffer_t * p_buffer, int i_input_rate )
{
- if ( p_buffer->start_date == 0 )
- {
- msg_Warn( p_aout, "non-dated buffer received" );
- aout_BufferFree( p_buffer );
- return -1;
- }
-
- /* Apply the desynchronisation requested by the user */
- p_buffer->start_date += p_aout->p_vlc->i_desync;
- p_buffer->end_date += p_aout->p_vlc->i_desync;
+ assert( i_input_rate >= INPUT_RATE_DEFAULT / AOUT_MAX_INPUT_RATE &&
+ i_input_rate <= INPUT_RATE_DEFAULT * AOUT_MAX_INPUT_RATE );
- if ( p_buffer->start_date > mdate() + p_aout->i_pts_delay +
- AOUT_MAX_ADVANCE_TIME )
- {
- msg_Warn( p_aout, "received buffer in the future ("I64Fd")",
- p_buffer->start_date - mdate());
- aout_BufferFree( p_buffer );
- return -1;
- }
+ assert( p_buffer->i_pts > 0 );
- p_buffer->end_date = p_buffer->start_date
- + (mtime_t)(p_buffer->i_nb_samples * 1000000)
+ p_buffer->i_length = (mtime_t)p_buffer->i_nb_samples * 1000000
/ p_input->input.i_rate;
- vlc_mutex_lock( &p_input->lock );
+ aout_lock_mixer( p_aout );
+ aout_lock_input( p_aout, p_input );
- if ( p_input->b_error )
+ if( p_input->b_error )
{
- vlc_mutex_unlock( &p_input->lock );
+ aout_unlock_input( p_aout, p_input );
+ aout_unlock_mixer( p_aout );
+
aout_BufferFree( p_buffer );
return -1;
}
- if ( p_input->b_changed )
+ if( p_input->b_changed )
{
/* Maybe the allocation size has changed. Re-allocate a buffer. */
aout_buffer_t * p_new_buffer;
mtime_t duration = (1000000 * (mtime_t)p_buffer->i_nb_samples)
/ p_input->input.i_rate;
- aout_BufferAlloc( &p_input->input_alloc, duration, NULL, p_new_buffer );
- p_aout->p_vlc->pf_memcpy( p_new_buffer->p_buffer, p_buffer->p_buffer,
- p_buffer->i_nb_bytes );
+ p_new_buffer = aout_BufferAlloc( &p_input->input_alloc, duration, NULL);
+ vlc_memcpy( p_new_buffer->p_buffer, p_buffer->p_buffer,
+ p_buffer->i_buffer );
p_new_buffer->i_nb_samples = p_buffer->i_nb_samples;
- p_new_buffer->i_nb_bytes = p_buffer->i_nb_bytes;
- p_new_buffer->start_date = p_buffer->start_date;
- p_new_buffer->end_date = p_buffer->end_date;
+ p_new_buffer->i_buffer = p_buffer->i_buffer;
+ p_new_buffer->i_pts = p_buffer->i_pts;
+ p_new_buffer->i_length = p_buffer->i_length;
aout_BufferFree( p_buffer );
p_buffer = p_new_buffer;
- p_input->b_changed = 0;
+ p_input->b_changed = false;
}
- /* If the buffer is too early, wait a while. */
- mwait( p_buffer->start_date - AOUT_MAX_PREPARE_TIME );
+ aout_InputCheckAndRestart( p_aout, p_input );
+ aout_unlock_mixer( p_aout );
- if ( aout_InputPlay( p_aout, p_input, p_buffer ) == -1 )
- {
- vlc_mutex_unlock( &p_input->lock );
- return -1;
- }
+ int i_ret = aout_InputPlay( p_aout, p_input, p_buffer, i_input_rate );
- vlc_mutex_unlock( &p_input->lock );
+ aout_unlock_input( p_aout, p_input );
+
+ if( i_ret == -1 )
+ return -1;
/* Run the mixer if it is able to run. */
- vlc_mutex_lock( &p_aout->mixer_lock );
+ aout_lock_mixer( p_aout );
+
aout_MixerRun( p_aout );
- vlc_mutex_unlock( &p_aout->mixer_lock );
+
+ aout_unlock_mixer( p_aout );
return 0;
}
+
+int aout_DecGetResetLost( aout_instance_t *p_aout, aout_input_t *p_input )
+{
+ aout_lock_input( p_aout, p_input );
+ int i_value = p_input->i_buffer_lost;
+ p_input->i_buffer_lost = 0;
+ aout_unlock_input( p_aout, p_input );
+
+ return i_value;
+}
+
+void aout_DecChangePause( aout_instance_t *p_aout, aout_input_t *p_input, bool b_paused, mtime_t i_date )
+{
+ mtime_t i_duration = 0;
+ aout_lock_input( p_aout, p_input );
+ assert( !p_input->b_paused || !b_paused );
+ if( p_input->b_paused )
+ {
+ i_duration = i_date - p_input->i_pause_date;
+ }
+ p_input->b_paused = b_paused;
+ p_input->i_pause_date = i_date;
+ aout_unlock_input( p_aout, p_input );
+
+ if( i_duration != 0 )
+ {
+ aout_lock_mixer( p_aout );
+ for( aout_buffer_t *p = p_input->mixer.fifo.p_first; p != NULL; p = p->p_next )
+ {
+ p->i_pts += i_duration;
+ }
+ aout_unlock_mixer( p_aout );
+ }
+}
+
+void aout_DecFlush( aout_instance_t *p_aout, aout_input_t *p_input )
+{
+ aout_lock_input_fifos( p_aout );
+
+ aout_FifoSet( p_aout, &p_input->mixer.fifo, 0 );
+ p_input->mixer.begin = NULL;
+
+ aout_unlock_input_fifos( p_aout );
+}
+
projects / vlc / blobdiff