# include "config.h"
#endif
+#include <limits.h>
#include <assert.h>
#include <vlc_common.h>
* Instances management (internal and external)
*/
-#define AOUT_ASSERT_FIFO_LOCKED aout_assert_fifo_locked(p_aout, p_fifo)
-static inline void aout_assert_fifo_locked( aout_instance_t * p_aout, aout_fifo_t * p_fifo )
-{
-#ifndef NDEBUG
- if( !p_aout )
- return;
-
- if( p_fifo == &p_aout->output.fifo )
- vlc_assert_locked( &p_aout->output_fifo_lock );
- else
- {
- int i;
- for( i = 0; i < p_aout->i_nb_inputs; i++ )
- {
- if( p_fifo == &p_aout->pp_inputs[i]->mixer.fifo)
- {
- vlc_assert_locked( &p_aout->input_fifos_lock );
- break;
- }
- }
- if( i == p_aout->i_nb_inputs )
- vlc_assert_locked( &p_aout->mixer_lock );
- }
-#else
- (void)p_aout;
- (void)p_fifo;
-#endif
-}
-
/* Local functions */
static void aout_Destructor( vlc_object_t * p_this );
aout_instance_t * p_aout;
/* Allocate descriptor. */
- p_aout = vlc_object_create( p_parent, VLC_OBJECT_AOUT );
+ p_aout = vlc_custom_create( p_parent, sizeof( *p_aout ), "audio output" );
if( p_aout == NULL )
{
return NULL;
}
/* Initialize members. */
- vlc_mutex_init( &p_aout->input_fifos_lock );
- vlc_mutex_init( &p_aout->mixer_lock );
- vlc_mutex_init( &p_aout->output_fifo_lock );
- p_aout->i_nb_inputs = 0;
+ vlc_mutex_init( &p_aout->volume_lock );
+ vlc_mutex_init( &p_aout->lock );
+ p_aout->p_input = NULL;
p_aout->mixer_multiplier = 1.0;
p_aout->p_mixer = NULL;
- p_aout->output.b_error = 1;
p_aout->output.b_starving = 1;
+ p_aout->output.p_module = NULL;
- var_Create( p_aout, "intf-change", VLC_VAR_BOOL );
- var_SetBool( p_aout, "intf-change", true );
+ var_Create( p_aout, "intf-change", VLC_VAR_VOID );
vlc_object_set_destructor( p_aout, aout_Destructor );
static void aout_Destructor( vlc_object_t * p_this )
{
aout_instance_t * p_aout = (aout_instance_t *)p_this;
- vlc_mutex_destroy( &p_aout->input_fifos_lock );
- vlc_mutex_destroy( &p_aout->mixer_lock );
- vlc_mutex_destroy( &p_aout->output_fifo_lock );
+ vlc_mutex_destroy( &p_aout->volume_lock );
+ vlc_mutex_destroy( &p_aout->lock );
}
+#ifdef AOUT_DEBUG
+/* Lock debugging */
+static __thread unsigned aout_locks = 0;
-/*
- * Formats management (internal and external)
- */
-
-/*****************************************************************************
- * aout_FormatNbChannels : return the number of channels
- *****************************************************************************/
-unsigned int aout_FormatNbChannels( const audio_sample_format_t * p_format )
+void aout_lock_check (unsigned i)
{
- static const uint32_t pi_channels[] =
- { AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
- AOUT_CHAN_REARCENTER, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
- AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT, AOUT_CHAN_LFE };
- unsigned int i_nb = 0, i;
+ unsigned allowed;
+ switch (i)
+ {
+ case VOLUME_LOCK:
+ allowed = 0;
+ break;
+ case OUTPUT_LOCK:
+ allowed = VOLUME_LOCK;
+ break;
+ default:
+ abort ();
+ }
- for ( i = 0; i < sizeof(pi_channels)/sizeof(uint32_t); i++ )
+ if (aout_locks & ~allowed)
{
- if ( p_format->i_physical_channels & pi_channels[i] ) i_nb++;
+ fprintf (stderr, "Illegal audio lock transition (%x -> %x)\n",
+ aout_locks, aout_locks|i);
+ vlc_backtrace ();
+ abort ();
}
+ aout_locks |= i;
+}
- return i_nb;
+void aout_unlock_check (unsigned i)
+{
+ assert (aout_locks & i);
+ aout_locks &= ~i;
}
+#endif
+
+/*
+ * Formats management (internal and external)
+ */
/*****************************************************************************
* aout_BitsPerSample : get the number of bits per sample
*****************************************************************************/
unsigned int aout_BitsPerSample( vlc_fourcc_t i_format )
{
- switch( i_format )
+ switch( vlc_fourcc_GetCodec( AUDIO_ES, i_format ) )
{
case VLC_CODEC_U8:
case VLC_CODEC_S8:
case VLC_CODEC_S32L:
case VLC_CODEC_S32B:
- case VLC_CODEC_FL32:
+ case VLC_CODEC_F32L:
+ case VLC_CODEC_F32B:
case VLC_CODEC_FI32:
return 32;
- case VLC_CODEC_FL64:
+ case VLC_CODEC_F64L:
+ case VLC_CODEC_F64B:
return 64;
default:
*****************************************************************************/
void aout_FormatPrepare( audio_sample_format_t * p_format )
{
+ p_format->i_channels = aout_FormatNbChannels( p_format );
p_format->i_bitspersample = aout_BitsPerSample( p_format->i_format );
if( p_format->i_bitspersample > 0 )
{
* before calling any of these functions.
*/
+#undef aout_FifoInit
/*****************************************************************************
* aout_FifoInit : initialize the members of a FIFO
*****************************************************************************/
-void aout_FifoInit( aout_instance_t * p_aout, aout_fifo_t * p_fifo,
- uint32_t i_rate )
+void aout_FifoInit( vlc_object_t *obj, aout_fifo_t * p_fifo, uint32_t i_rate )
{
- AOUT_ASSERT_FIFO_LOCKED;
-
- if( i_rate == 0 )
- {
- msg_Err( p_aout, "initialising fifo with zero divider" );
- }
+ if( unlikely(i_rate == 0) )
+ msg_Err( obj, "initialising fifo with zero divider" );
p_fifo->p_first = NULL;
p_fifo->pp_last = &p_fifo->p_first;
/*****************************************************************************
* aout_FifoPush : push a packet into the FIFO
*****************************************************************************/
-void aout_FifoPush( aout_instance_t * p_aout, aout_fifo_t * p_fifo,
- aout_buffer_t * p_buffer )
+void aout_FifoPush( aout_fifo_t * p_fifo, aout_buffer_t * p_buffer )
{
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
-
*p_fifo->pp_last = p_buffer;
p_fifo->pp_last = &p_buffer->p_next;
*p_fifo->pp_last = NULL;
/* Enforce the continuity of the stream. */
if ( date_Get( &p_fifo->end_date ) )
{
- p_buffer->start_date = date_Get( &p_fifo->end_date );
- p_buffer->end_date = date_Increment( &p_fifo->end_date,
+ p_buffer->i_pts = date_Get( &p_fifo->end_date );
+ p_buffer->i_length = date_Increment( &p_fifo->end_date,
p_buffer->i_nb_samples );
+ p_buffer->i_length -= p_buffer->i_pts;
}
else
{
- date_Set( &p_fifo->end_date, p_buffer->end_date );
+ date_Set( &p_fifo->end_date, p_buffer->i_pts + p_buffer->i_length );
}
}
* aout_FifoSet : set end_date and trash all buffers (because they aren't
* properly dated)
*****************************************************************************/
-void aout_FifoSet( aout_instance_t * p_aout, aout_fifo_t * p_fifo,
- mtime_t date )
+void aout_FifoSet( aout_fifo_t * p_fifo, mtime_t date )
{
aout_buffer_t * p_buffer;
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
date_Set( &p_fifo->end_date, date );
p_buffer = p_fifo->p_first;
/*****************************************************************************
* aout_FifoMoveDates : Move forwards or backwards all dates in the FIFO
*****************************************************************************/
-void aout_FifoMoveDates( aout_instance_t * p_aout, aout_fifo_t * p_fifo,
- mtime_t difference )
+void aout_FifoMoveDates( aout_fifo_t * p_fifo, mtime_t difference )
{
aout_buffer_t * p_buffer;
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
date_Move( &p_fifo->end_date, difference );
p_buffer = p_fifo->p_first;
while ( p_buffer != NULL )
{
- p_buffer->start_date += difference;
- p_buffer->end_date += difference;
+ p_buffer->i_pts += difference;
p_buffer = p_buffer->p_next;
}
}
/*****************************************************************************
* aout_FifoNextStart : return the current end_date
*****************************************************************************/
-mtime_t aout_FifoNextStart( aout_instance_t * p_aout, aout_fifo_t * p_fifo )
+mtime_t aout_FifoNextStart( const aout_fifo_t *p_fifo )
{
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
return date_Get( &p_fifo->end_date );
}
* aout_FifoFirstDate : return the playing date of the first buffer in the
* FIFO
*****************************************************************************/
-mtime_t aout_FifoFirstDate( aout_instance_t * p_aout, aout_fifo_t * p_fifo )
+mtime_t aout_FifoFirstDate( const aout_fifo_t *p_fifo )
{
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
- return p_fifo->p_first ? p_fifo->p_first->start_date : 0;
+ return (p_fifo->p_first != NULL) ? p_fifo->p_first->i_pts : 0;
}
/*****************************************************************************
* aout_FifoPop : get the next buffer out of the FIFO
*****************************************************************************/
-aout_buffer_t * aout_FifoPop( aout_instance_t * p_aout, aout_fifo_t * p_fifo )
+aout_buffer_t *aout_FifoPop( aout_fifo_t * p_fifo )
{
- aout_buffer_t * p_buffer;
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
-
- p_buffer = p_fifo->p_first;
- if ( p_buffer == NULL ) return NULL;
- p_fifo->p_first = p_buffer->p_next;
- if ( p_fifo->p_first == NULL )
+ aout_buffer_t *p_buffer = p_fifo->p_first;
+ if( p_buffer != NULL )
{
- p_fifo->pp_last = &p_fifo->p_first;
+ p_fifo->p_first = p_buffer->p_next;
+ if( p_fifo->p_first == NULL )
+ p_fifo->pp_last = &p_fifo->p_first;
}
-
return p_buffer;
}
/*****************************************************************************
* aout_FifoDestroy : destroy a FIFO and its buffers
*****************************************************************************/
-void aout_FifoDestroy( aout_instance_t * p_aout, aout_fifo_t * p_fifo )
+void aout_FifoDestroy( aout_fifo_t * p_fifo )
{
aout_buffer_t * p_buffer;
- (void)p_aout;
- AOUT_ASSERT_FIFO_LOCKED;
p_buffer = p_fifo->p_first;
while ( p_buffer != NULL )
return i_out == i_channels;
}
-/*****************************************************************************
- * aout_BufferAlloc:
- *****************************************************************************/
+/* Return the order in which filters should be inserted */
+static int FilterOrder( const char *psz_name )
+{
+ static const struct {
+ const char *psz_name;
+ int i_order;
+ } filter[] = {
+ { "equalizer", 0 },
+ { NULL, INT_MAX },
+ };
+ for( int i = 0; filter[i].psz_name; i++ )
+ {
+ if( !strcmp( filter[i].psz_name, psz_name ) )
+ return filter[i].i_order;
+ }
+ return INT_MAX;
+}
-aout_buffer_t *aout_BufferAlloc(aout_alloc_t *allocation, mtime_t microseconds,
- aout_buffer_t *old_buffer)
+/* This function will add or remove a a module from a string list (colon
+ * separated). It will return true if there is a modification
+ * In case p_aout is NULL, we will use configuration instead of variable */
+bool aout_ChangeFilterString( vlc_object_t *p_obj, aout_instance_t *p_aout,
+ const char *psz_variable,
+ const char *psz_name, bool b_add )
{
- if ( !allocation->b_alloc )
+ if( *psz_name == '\0' )
+ return false;
+
+ char *psz_list;
+ if( p_aout )
{
- return old_buffer;
+ psz_list = var_GetString( p_aout, psz_variable );
+ }
+ else
+ {
+ psz_list = var_CreateGetString( p_obj->p_libvlc, psz_variable );
+ var_Destroy( p_obj->p_libvlc, psz_variable );
}
- aout_buffer_t *buffer;
- int i_alloc_size;
+ /* Split the string into an array of filters */
+ int i_count = 1;
+ for( char *p = psz_list; p && *p; p++ )
+ i_count += *p == ':';
+ i_count += b_add;
- i_alloc_size = (int)( (uint64_t)allocation->i_bytes_per_sec
- * (microseconds) / 1000000 + 1 );
+ const char **ppsz_filter = calloc( i_count, sizeof(*ppsz_filter) );
+ if( !ppsz_filter )
+ {
+ free( psz_list );
+ return false;
+ }
+ bool b_present = false;
+ i_count = 0;
+ for( char *p = psz_list; p && *p; )
+ {
+ char *psz_end = strchr(p, ':');
+ if( psz_end )
+ *psz_end++ = '\0';
+ else
+ psz_end = p + strlen(p);
+ if( *p )
+ {
+ b_present |= !strcmp( p, psz_name );
+ ppsz_filter[i_count++] = p;
+ }
+ p = psz_end;
+ }
+ if( b_present == b_add )
+ {
+ free( ppsz_filter );
+ free( psz_list );
+ return false;
+ }
- buffer = malloc( i_alloc_size + sizeof(aout_buffer_t) );
- if ( !buffer )
- return NULL;
+ if( b_add )
+ {
+ int i_order = FilterOrder( psz_name );
+ int i;
+ for( i = 0; i < i_count; i++ )
+ {
+ if( FilterOrder( ppsz_filter[i] ) > i_order )
+ break;
+ }
+ if( i < i_count )
+ memmove( &ppsz_filter[i+1], &ppsz_filter[i], (i_count - i) * sizeof(*ppsz_filter) );
+ ppsz_filter[i] = psz_name;
+ i_count++;
+ }
+ else
+ {
+ for( int i = 0; i < i_count; i++ )
+ {
+ if( !strcmp( ppsz_filter[i], psz_name ) )
+ ppsz_filter[i] = "";
+ }
+ }
+ size_t i_length = 0;
+ for( int i = 0; i < i_count; i++ )
+ i_length += 1 + strlen( ppsz_filter[i] );
+
+ char *psz_new = malloc( i_length + 1 );
+ *psz_new = '\0';
+ for( int i = 0; i < i_count; i++ )
+ {
+ if( *ppsz_filter[i] == '\0' )
+ continue;
+ if( *psz_new )
+ strcat( psz_new, ":" );
+ strcat( psz_new, ppsz_filter[i] );
+ }
+ free( ppsz_filter );
+ free( psz_list );
- buffer->b_alloc = true;
- buffer->i_size = i_alloc_size;
- buffer->p_buffer = (uint8_t *)buffer + sizeof(aout_buffer_t);
- buffer->b_discontinuity = false;
- return buffer;
+ if( p_aout )
+ var_SetString( p_aout, psz_variable, psz_new );
+ else
+ config_PutPsz( p_obj, psz_variable, psz_new );
+ free( psz_new );
+
+ return true;
}
+
+
+