#include <vlc_common.h>
#include <vlc_aout.h>
#include "aout_internal.h"
+#include "libvlc.h"
/*
* Instances management (internal and external)
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]->fifo)
+ if( p_fifo == &p_aout->pp_inputs[i]->mixer.fifo)
{
vlc_assert_locked( &p_aout->input_fifos_lock );
break;
vlc_mutex_init( &p_aout->mixer_lock );
vlc_mutex_init( &p_aout->output_fifo_lock );
p_aout->i_nb_inputs = 0;
- p_aout->mixer.f_multiplier = 1.0;
- p_aout->mixer.b_error = 1;
+ p_aout->mixer_multiplier = 1.0;
+ p_aout->p_mixer = NULL;
p_aout->output.b_error = 1;
p_aout->output.b_starving = 1;
{
switch( i_format )
{
- case VLC_FOURCC('u','8',' ',' '):
- case VLC_FOURCC('s','8',' ',' '):
+ case VLC_CODEC_U8:
+ case VLC_CODEC_S8:
return 8;
- case VLC_FOURCC('u','1','6','l'):
- case VLC_FOURCC('s','1','6','l'):
- case VLC_FOURCC('u','1','6','b'):
- case VLC_FOURCC('s','1','6','b'):
+ case VLC_CODEC_U16L:
+ case VLC_CODEC_S16L:
+ case VLC_CODEC_U16B:
+ case VLC_CODEC_S16B:
return 16;
- case VLC_FOURCC('u','2','4','l'):
- case VLC_FOURCC('s','2','4','l'):
- case VLC_FOURCC('u','2','4','b'):
- case VLC_FOURCC('s','2','4','b'):
+ case VLC_CODEC_U24L:
+ case VLC_CODEC_S24L:
+ case VLC_CODEC_U24B:
+ case VLC_CODEC_S24B:
return 24;
- case VLC_FOURCC('s','3','2','l'):
- case VLC_FOURCC('s','3','2','b'):
- case VLC_FOURCC('f','l','3','2'):
- case VLC_FOURCC('f','i','3','2'):
+ case VLC_CODEC_S32L:
+ case VLC_CODEC_S32B:
+ case VLC_CODEC_FL32:
+ case VLC_CODEC_FI32:
return 32;
- case VLC_FOURCC('f','l','6','4'):
+ case VLC_CODEC_FL64:
return 64;
default:
{
switch ( p_format->i_physical_channels & AOUT_CHAN_PHYSMASK )
{
+ case AOUT_CHAN_LEFT:
+ case AOUT_CHAN_RIGHT:
case AOUT_CHAN_CENTER:
if ( (p_format->i_original_channels & AOUT_CHAN_CENTER)
|| (p_format->i_original_channels
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT:
return "2F2R";
+ case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
+ | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT:
+ return "2F2M";
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT:
return "3F2R";
+ case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT:
+ return "3F2M";
case AOUT_CHAN_CENTER | AOUT_CHAN_LFE:
if ( (p_format->i_original_channels & AOUT_CHAN_CENTER)
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE:
return "2F2R/LFE";
+ case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
+ | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_LFE:
+ return "2F2M/LFE";
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE:
return "3F2R/LFE";
+ case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_LFE:
+ return "3F2M/LFE";
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
| AOUT_CHAN_MIDDLERIGHT:
p_fifo->p_first = NULL;
p_fifo->pp_last = &p_fifo->p_first;
- aout_DateInit( &p_fifo->end_date, i_rate );
+ date_Init( &p_fifo->end_date, i_rate, 1 );
}
/*****************************************************************************
p_fifo->pp_last = &p_buffer->p_next;
*p_fifo->pp_last = NULL;
/* Enforce the continuity of the stream. */
- if ( aout_DateGet( &p_fifo->end_date ) )
+ if ( date_Get( &p_fifo->end_date ) )
{
- p_buffer->start_date = aout_DateGet( &p_fifo->end_date );
- p_buffer->end_date = aout_DateIncrement( &p_fifo->end_date,
- p_buffer->i_nb_samples );
+ p_buffer->start_date = date_Get( &p_fifo->end_date );
+ p_buffer->end_date = date_Increment( &p_fifo->end_date,
+ p_buffer->i_nb_samples );
}
else
{
- aout_DateSet( &p_fifo->end_date, p_buffer->end_date );
+ date_Set( &p_fifo->end_date, p_buffer->end_date );
}
}
(void)p_aout;
AOUT_ASSERT_FIFO_LOCKED;
- aout_DateSet( &p_fifo->end_date, date );
+ date_Set( &p_fifo->end_date, date );
p_buffer = p_fifo->p_first;
while ( p_buffer != NULL )
{
(void)p_aout;
AOUT_ASSERT_FIFO_LOCKED;
- aout_DateMove( &p_fifo->end_date, difference );
+ date_Move( &p_fifo->end_date, difference );
p_buffer = p_fifo->p_first;
while ( p_buffer != NULL )
{
{
(void)p_aout;
AOUT_ASSERT_FIFO_LOCKED;
- return aout_DateGet( &p_fifo->end_date );
+ return date_Get( &p_fifo->end_date );
}
/*****************************************************************************
p_fifo->pp_last = &p_fifo->p_first;
}
-
-/*
- * Date management (internal and external)
- */
-
-/*****************************************************************************
- * aout_DateInit : set the divider of an audio_date_t
- *****************************************************************************/
-void aout_DateInit( audio_date_t * p_date, uint32_t i_divider )
-{
- p_date->date = 0;
- p_date->i_divider = i_divider;
- p_date->i_remainder = 0;
-}
-
-/*****************************************************************************
- * aout_DateSet : set the date of an audio_date_t
- *****************************************************************************/
-void aout_DateSet( audio_date_t * p_date, mtime_t new_date )
-{
- p_date->date = new_date;
- p_date->i_remainder = 0;
-}
-
-/*****************************************************************************
- * aout_DateMove : move forwards or backwards the date of an audio_date_t
- *****************************************************************************/
-void aout_DateMove( audio_date_t * p_date, mtime_t difference )
-{
- p_date->date += difference;
-}
-
-/*****************************************************************************
- * aout_DateGet : get the date of an audio_date_t
- *****************************************************************************/
-mtime_t aout_DateGet( const audio_date_t * p_date )
-{
- return p_date->date;
-}
-
-/*****************************************************************************
- * aout_DateIncrement : increment the date and return the result, taking
- * into account rounding errors
- *****************************************************************************/
-mtime_t aout_DateIncrement( audio_date_t * p_date, uint32_t i_nb_samples )
-{
- mtime_t i_dividend = (mtime_t)i_nb_samples * 1000000;
- p_date->date += i_dividend / p_date->i_divider;
- p_date->i_remainder += (int)(i_dividend % p_date->i_divider);
- if ( p_date->i_remainder >= p_date->i_divider )
- {
- /* This is Bresenham algorithm. */
- p_date->date++;
- p_date->i_remainder -= p_date->i_divider;
- }
- return p_date->date;
-}
-
/*****************************************************************************
* aout_CheckChannelReorder : Check if we need to do some channel re-ordering
*****************************************************************************/
}
}
}
+
+/*****************************************************************************
+ * aout_ChannelExtract:
+ *****************************************************************************/
+static inline void ExtractChannel( uint8_t *pi_dst, int i_dst_channels,
+ const uint8_t *pi_src, int i_src_channels,
+ int i_sample_count,
+ const int *pi_selection, int i_bytes )
+{
+ for( int i = 0; i < i_sample_count; i++ )
+ {
+ for( int j = 0; j < i_dst_channels; j++ )
+ memcpy( &pi_dst[j * i_bytes], &pi_src[pi_selection[j] * i_bytes], i_bytes );
+ pi_dst += i_dst_channels * i_bytes;
+ pi_src += i_src_channels * i_bytes;
+ }
+}
+
+void aout_ChannelExtract( void *p_dst, int i_dst_channels,
+ const void *p_src, int i_src_channels,
+ int i_sample_count, const int *pi_selection, int i_bits_per_sample )
+{
+ /* It does not work in place */
+ assert( p_dst != p_src );
+
+ /* Force the compiler to inline for the specific cases so it can optimize */
+ if( i_bits_per_sample == 8 )
+ ExtractChannel( p_dst, i_dst_channels, p_src, i_src_channels, i_sample_count, pi_selection, 1 );
+ else if( i_bits_per_sample == 16 )
+ ExtractChannel( p_dst, i_dst_channels, p_src, i_src_channels, i_sample_count, pi_selection, 2 );
+ else if( i_bits_per_sample == 24 )
+ ExtractChannel( p_dst, i_dst_channels, p_src, i_src_channels, i_sample_count, pi_selection, 3 );
+ else if( i_bits_per_sample == 32 )
+ ExtractChannel( p_dst, i_dst_channels, p_src, i_src_channels, i_sample_count, pi_selection, 4 );
+ else if( i_bits_per_sample == 64 )
+ ExtractChannel( p_dst, i_dst_channels, p_src, i_src_channels, i_sample_count, pi_selection, 8 );
+}
+
+bool aout_CheckChannelExtraction( int *pi_selection,
+ uint32_t *pi_layout, int *pi_channels,
+ const uint32_t pi_order_dst[AOUT_CHAN_MAX],
+ const uint32_t *pi_order_src, int i_channels )
+{
+ const uint32_t pi_order_dual_mono[] = { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT };
+ uint32_t i_layout = 0;
+ int i_out = 0;
+ int pi_index[AOUT_CHAN_MAX];
+
+ /* */
+ if( !pi_order_dst )
+ pi_order_dst = pi_vlc_chan_order_wg4;
+
+ /* Detect special dual mono case */
+ if( i_channels == 2 &&
+ pi_order_src[0] == AOUT_CHAN_CENTER && pi_order_src[1] == AOUT_CHAN_CENTER )
+ {
+ i_layout |= AOUT_CHAN_DUALMONO;
+ pi_order_src = pi_order_dual_mono;
+ }
+
+ /* */
+ for( int i = 0; i < i_channels; i++ )
+ {
+ /* Ignore unknown or duplicated channels or not present in output */
+ if( !pi_order_src[i] || (i_layout & pi_order_src[i]) )
+ continue;
+
+ for( int j = 0; j < AOUT_CHAN_MAX; j++ )
+ {
+ if( pi_order_dst[j] == pi_order_src[i] )
+ {
+ assert( i_out < AOUT_CHAN_MAX );
+ pi_index[i_out++] = i;
+ i_layout |= pi_order_src[i];
+ break;
+ }
+ }
+ }
+
+ /* */
+ for( int i = 0, j = 0; i < AOUT_CHAN_MAX; i++ )
+ {
+ for( int k = 0; k < i_out; k++ )
+ {
+ if( pi_order_dst[i] == pi_order_src[pi_index[k]] )
+ {
+ pi_selection[j++] = pi_index[k];
+ break;
+ }
+ }
+ }
+
+ *pi_layout = i_layout;
+ *pi_channels = i_out;
+
+ for( int i = 0; i < i_out; i++ )
+ {
+ if( pi_selection[i] != i )
+ return true;
+ }
+ return i_out == i_channels;
+}
+
+/*****************************************************************************
+ * aout_BufferAlloc:
+ *****************************************************************************/
+
+void aout_BufferAlloc(aout_alloc_t *allocation, mtime_t microseconds,
+ aout_buffer_t *old_buffer, aout_buffer_t **new_buffer)
+{
+ if ( !allocation->b_alloc )
+ {
+ *new_buffer = old_buffer;
+ return;
+ }
+
+ aout_buffer_t *buffer;
+ int i_alloc_size;
+
+ i_alloc_size = (int)( (uint64_t)allocation->i_bytes_per_sec
+ * (microseconds) / 1000000 + 1 );
+
+ buffer = malloc( i_alloc_size + sizeof(aout_buffer_t) );
+ if ( !buffer )
+ {
+ *new_buffer = NULL;
+ return;
+ }
+
+ buffer->b_alloc = true;
+ buffer->i_size = i_alloc_size;
+ buffer->p_buffer = (uint8_t *)buffer + sizeof(aout_buffer_t);
+ buffer->b_discontinuity = false;
+
+ if ( old_buffer )
+ {
+ buffer->start_date = old_buffer->start_date;
+ buffer->end_date = old_buffer->end_date;
+ }
+
+ *new_buffer = buffer;
+}
projects / vlc / blobdiff