* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <limits.h>
#include <assert.h>
-#include <math.h>
#include <vlc_common.h>
#include <vlc_aout.h>
-#include <vlc_aout_intf.h>
-#include <vlc_modules.h>
#include "aout_internal.h"
-#include "libvlc.h"
-
-/*
- * Instances management (internal and external)
- */
-
-/* Local functions */
-static void aout_Destructor( vlc_object_t * p_this );
-
-static int var_Copy (vlc_object_t *src, const char *name, vlc_value_t prev,
- vlc_value_t value, void *data)
-{
- vlc_object_t *dst = data;
-
- (void) src; (void) prev;
- return var_Set (dst, name, value);
-}
-
-#undef aout_New
-/*****************************************************************************
- * aout_New: initialize aout structure
- *****************************************************************************/
-audio_output_t *aout_New( vlc_object_t * p_parent )
-{
- audio_output_t *aout = vlc_custom_create (p_parent,
- sizeof (aout_instance_t),
- "audio output");
- if (unlikely(aout == NULL))
- return NULL;
-
- aout_owner_t *owner = aout_owner (aout);
-
- vlc_mutex_init (&owner->lock);
- owner->module = NULL;
- owner->input = NULL;
-
- aout->volume_set = NULL;
- aout->mute_set = NULL;
- vlc_object_set_destructor (aout, aout_Destructor);
-
- /*
- * Persistent audio output variables
- */
- vlc_value_t val, text;
- module_config_t *cfg;
- char *str;
-
- var_Create (aout, "volume", VLC_VAR_FLOAT);
- var_AddCallback (aout, "volume", var_Copy, p_parent);
- var_Create (aout, "mute", VLC_VAR_BOOL | VLC_VAR_DOINHERIT);
- var_AddCallback (aout, "mute", var_Copy, p_parent);
-
- /* Visualizations */
- var_Create (aout, "visual", VLC_VAR_STRING | VLC_VAR_HASCHOICE);
- text.psz_string = _("Visualizations");
- var_Change (aout, "visual", VLC_VAR_SETTEXT, &text, NULL);
- val.psz_string = (char *)"";
- text.psz_string = _("Disable");
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- val.psz_string = (char *)"spectrometer";
- text.psz_string = _("Spectrometer");
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- val.psz_string = (char *)"scope";
- text.psz_string = _("Scope");
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- val.psz_string = (char *)"spectrum";
- text.psz_string = _("Spectrum");
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- val.psz_string = (char *)"vuMeter";
- text.psz_string = _("Vu meter");
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- /* Look for goom plugin */
- if (module_exists ("goom"))
- {
- val.psz_string = (char *)"goom";
- text.psz_string = (char *)"Goom";
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- }
- /* Look for libprojectM plugin */
- if (module_exists ("projectm"))
- {
- val.psz_string = (char *)"projectm";
- text.psz_string = (char*)"projectM";
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- }
- /* Look for VSXu plugin */
- if (module_exists ("vsxu"))
- {
- val.psz_string = (char *)"vsxu";
- text.psz_string = (char*)"Vovoid VSXu";
- var_Change (aout, "visual", VLC_VAR_ADDCHOICE, &val, &text);
- }
- str = var_GetNonEmptyString (aout, "effect-list");
- if (str != NULL)
- {
- var_SetString (aout, "visual", str);
- free (str);
- }
-
- /* Equalizer */
- var_Create (aout, "equalizer", VLC_VAR_STRING | VLC_VAR_HASCHOICE);
- text.psz_string = _("Equalizer");
- var_Change (aout, "equalizer", VLC_VAR_SETTEXT, &text, NULL);
- val.psz_string = (char*)"";
- text.psz_string = _("Disable");
- var_Change (aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text);
- cfg = config_FindConfig (VLC_OBJECT(aout), "equalizer-preset");
- if (likely(cfg != NULL))
- for (unsigned i = 0; i < cfg->list_count; i++)
- {
- val.psz_string = cfg->list.psz[i];
- text.psz_string = vlc_gettext(cfg->list_text[i]);
- var_Change (aout, "equalizer", VLC_VAR_ADDCHOICE, &val, &text);
- }
-
- var_Create (aout, "audio-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
- text.psz_string = _("Audio filters");
- var_Change (aout, "audio-filter", VLC_VAR_SETTEXT, &text, NULL);
-
-
- var_Create (aout, "audio-visual", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
- text.psz_string = _("Audio visualizations");
- var_Change (aout, "audio-visual", VLC_VAR_SETTEXT, &text, NULL);
-
-
- /* Replay gain */
- var_Create (aout, "audio-replay-gain-mode",
- VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- text.psz_string = _("Replay gain");
- var_Change (aout, "audio-replay-gain-mode", VLC_VAR_SETTEXT, &text, NULL);
- cfg = config_FindConfig (VLC_OBJECT(aout), "audio-replay-gain-mode");
- if (likely(cfg != NULL))
- for (unsigned i = 0; i < cfg->list_count; i++)
- {
- val.psz_string = cfg->list.psz[i];
- text.psz_string = vlc_gettext(cfg->list_text[i]);
- var_Change (aout, "audio-replay-gain-mode", VLC_VAR_ADDCHOICE,
- &val, &text);
- }
-
- return aout;
-}
-
-void aout_Destroy (audio_output_t *aout)
-{
- aout_owner_t *owner = aout_owner (aout);
-
- assert (owner->module == NULL);
-
- var_DelCallback (aout, "mute", var_Copy, aout->p_parent);
- var_SetFloat (aout, "volume", -1.f);
- var_DelCallback (aout, "volume", var_Copy, aout->p_parent);
- vlc_object_release (aout);
-}
-
-/*****************************************************************************
- * aout_Destructor: destroy aout structure
- *****************************************************************************/
-static void aout_Destructor (vlc_object_t *obj)
-{
- audio_output_t *aout = (audio_output_t *)obj;
- aout_owner_t *owner = aout_owner (aout);
-
- vlc_mutex_destroy (&owner->lock);
-}
/*
* Formats management (internal and external)
case VLC_CODEC_S24B:
return 24;
+ case VLC_CODEC_S24L32:
+ case VLC_CODEC_S24B32:
+ case VLC_CODEC_U32L:
+ case VLC_CODEC_U32B:
case VLC_CODEC_S32L:
case VLC_CODEC_S32B:
case VLC_CODEC_F32L:
case VLC_CODEC_F32B:
- case VLC_CODEC_FI32:
return 32;
case VLC_CODEC_F64L:
/*****************************************************************************
* aout_CheckChannelReorder : Check if we need to do some channel re-ordering
*****************************************************************************/
-int aout_CheckChannelReorder( const uint32_t *pi_chan_order_in,
- const uint32_t *pi_chan_order_out,
- uint32_t i_channel_mask,
- int i_channels, int *pi_chan_table )
+unsigned aout_CheckChannelReorder( const uint32_t *chans_in,
+ const uint32_t *chans_out,
+ uint32_t mask, uint8_t *restrict table )
{
- bool b_chan_reorder = false;
- int i, j, k, l;
+ unsigned channels = 0;
- if( i_channels > AOUT_CHAN_MAX )
- return false;
-
- if( pi_chan_order_in == NULL )
- pi_chan_order_in = pi_vlc_chan_order_wg4;
- if( pi_chan_order_out == NULL )
- pi_chan_order_out = pi_vlc_chan_order_wg4;
+ if( chans_in == NULL )
+ chans_in = pi_vlc_chan_order_wg4;
+ if( chans_out == NULL )
+ chans_out = pi_vlc_chan_order_wg4;
- for( i = 0, j = 0; pi_chan_order_in[i]; i++ )
+ for( unsigned i = 0; chans_in[i]; i++ )
{
- if( !(i_channel_mask & pi_chan_order_in[i]) ) continue;
+ const uint32_t chan = chans_in[i];
+ if( !(mask & chan) )
+ continue;
- for( k = 0, l = 0; pi_chan_order_in[i] != pi_chan_order_out[k]; k++ )
- {
- if( i_channel_mask & pi_chan_order_out[k] ) l++;
- }
+ unsigned index = 0;
+ for( unsigned j = 0; chan != chans_out[j]; j++ )
+ if( mask & chans_out[j] )
+ index++;
- pi_chan_table[j++] = l;
+ table[channels++] = index;
}
- for( i = 0; i < i_channels; i++ )
- {
- if( pi_chan_table[i] != i ) b_chan_reorder = true;
- }
-
- return b_chan_reorder;
+ for( unsigned i = 0; i < channels; i++ )
+ if( table[i] != i )
+ return channels;
+ return 0;
}
-/*****************************************************************************
- * aout_ChannelReorder :
- *****************************************************************************/
-void aout_ChannelReorder( uint8_t *p_buf, int i_buffer,
- int i_channels, const int *pi_chan_table,
- int i_bits_per_sample )
+/**
+ * Reorders audio samples within a block of linear audio interleaved samples.
+ * \param ptr start address of the block of samples
+ * \param bytes size of the block in bytes (must be a multiple of the product
+ * of the channels count and the sample size)
+ * \param channels channels count (also length of the chans_table table)
+ * \param chans_table permutation table to reorder the channels
+ * (usually computed by aout_CheckChannelReorder())
+ * \param fourcc sample format (must be a linear sample format)
+ * \note The samples must be naturally aligned in memory.
+ */
+void aout_ChannelReorder( void *ptr, size_t bytes, unsigned channels,
+ const uint8_t *restrict chans_table, vlc_fourcc_t fourcc )
{
- uint8_t p_tmp[AOUT_CHAN_MAX * 4];
- int i, j;
-
- if( i_bits_per_sample == 8 )
+ assert( channels != 0 );
+ assert( channels <= AOUT_CHAN_MAX );
+
+ /* The audio formats supported in audio output are inlined. For other
+ * formats (used in demuxers and muxers), memcpy() is used to avoid
+ * breaking type punning. */
+#define REORDER_TYPE(type) \
+do { \
+ const size_t frames = (bytes / sizeof (type)) / channels; \
+ type *buf = ptr; \
+\
+ for( size_t i = 0; i < frames; i++ ) \
+ { \
+ type tmp[AOUT_CHAN_MAX]; \
+\
+ for( size_t j = 0; j < channels; j++ ) \
+ tmp[chans_table[j]] = buf[j]; \
+ memcpy( buf, tmp, sizeof (type) * channels ); \
+ buf += channels; \
+ } \
+} while(0)
+
+ switch( fourcc )
{
- for( i = 0; i < i_buffer / i_channels; i++ )
- {
- for( j = 0; j < i_channels; j++ )
- {
- p_tmp[pi_chan_table[j]] = p_buf[j];
- }
+ case VLC_CODEC_U8: REORDER_TYPE(uint8_t); break;
+ case VLC_CODEC_S16N: REORDER_TYPE(int16_t); break;
+ case VLC_CODEC_FL32: REORDER_TYPE(float); break;
+ case VLC_CODEC_S32N: REORDER_TYPE(int32_t); break;
+ case VLC_CODEC_FL64: REORDER_TYPE(double); break;
- memcpy( p_buf, p_tmp, i_channels );
- p_buf += i_channels;
- }
- }
- else if( i_bits_per_sample == 16 )
- {
- for( i = 0; i < i_buffer / i_channels / 2; i++ )
+ default:
{
- for( j = 0; j < i_channels; j++ )
- {
- p_tmp[2 * pi_chan_table[j]] = p_buf[2 * j];
- p_tmp[2 * pi_chan_table[j] + 1] = p_buf[2 * j + 1];
- }
+ unsigned size = aout_BitsPerSample( fourcc ) / 8;
+ assert( size != 0 );
- memcpy( p_buf, p_tmp, 2 * i_channels );
- p_buf += 2 * i_channels;
- }
- }
- else if( i_bits_per_sample == 24 )
- {
- for( i = 0; i < i_buffer / i_channels / 3; i++ )
- {
- for( j = 0; j < i_channels; j++ )
+ const size_t frames = bytes / (size * channels);
+ unsigned char *buf = ptr;
+
+ assert( bytes != 0 );
+ for( size_t i = 0; i < frames; i++ )
{
- p_tmp[3 * pi_chan_table[j]] = p_buf[3 * j];
- p_tmp[3 * pi_chan_table[j] + 1] = p_buf[3 * j + 1];
- p_tmp[3 * pi_chan_table[j] + 2] = p_buf[3 * j + 2];
- }
+ unsigned char tmp[AOUT_CHAN_MAX * size];
- memcpy( p_buf, p_tmp, 3 * i_channels );
- p_buf += 3 * i_channels;
+ for( size_t j = 0; j < channels; j++ )
+ memcpy( tmp + size * chans_table[j], buf + size * j, size );
+ memcpy( buf, tmp, size * channels );
+ buf += size * channels;
+ }
+ break;
}
}
- else if( i_bits_per_sample == 32 )
+}
+
+/**
+ * Interleaves audio samples within a block of samples.
+ * \param dst destination buffer for interleaved samples
+ * \param srcv source buffers (one per plane) of uninterleaved samples
+ * \param samples number of samples (per channel/per plane)
+ * \param chans channels/planes count
+ * \param fourcc sample format (must be a linear sample format)
+ * \note The samples must be naturally aligned in memory.
+ * \warning Destination and source buffers MUST NOT overlap.
+ */
+void aout_Interleave( void *restrict dst, const void *const *srcv,
+ unsigned samples, unsigned chans, vlc_fourcc_t fourcc )
+{
+#define INTERLEAVE_TYPE(type) \
+do { \
+ type *d = dst; \
+ for( size_t i = 0; i < chans; i++ ) { \
+ const type *s = srcv[i]; \
+ for( size_t j = 0, k = 0; j < samples; j++, k += chans ) \
+ d[k] = *(s++); \
+ d++; \
+ } \
+} while(0)
+
+ switch( fourcc )
{
- for( i = 0; i < i_buffer / i_channels / 4; i++ )
- {
- for( j = 0; j < i_channels; j++ )
- {
- p_tmp[4 * pi_chan_table[j]] = p_buf[4 * j];
- p_tmp[4 * pi_chan_table[j] + 1] = p_buf[4 * j + 1];
- p_tmp[4 * pi_chan_table[j] + 2] = p_buf[4 * j + 2];
- p_tmp[4 * pi_chan_table[j] + 3] = p_buf[4 * j + 3];
- }
+ case VLC_CODEC_U8: INTERLEAVE_TYPE(uint8_t); break;
+ case VLC_CODEC_S16N: INTERLEAVE_TYPE(uint16_t); break;
+ case VLC_CODEC_FL32: INTERLEAVE_TYPE(float); break;
+ case VLC_CODEC_S32N: INTERLEAVE_TYPE(int32_t); break;
+ case VLC_CODEC_FL64: INTERLEAVE_TYPE(double); break;
+ default: assert(0);
+ }
+#undef INTERLEAVE_TYPE
+}
- memcpy( p_buf, p_tmp, 4 * i_channels );
- p_buf += 4 * i_channels;
- }
+/**
+ * Deinterleaves audio samples within a block of samples.
+ * \param dst destination buffer for planar samples
+ * \param src source buffer with interleaved samples
+ * \param samples number of samples (per channel/per plane)
+ * \param chans channels/planes count
+ * \param fourcc sample format (must be a linear sample format)
+ * \note The samples must be naturally aligned in memory.
+ * \warning Destination and source buffers MUST NOT overlap.
+ */
+void aout_Deinterleave( void *restrict dst, const void *restrict src,
+ unsigned samples, unsigned chans, vlc_fourcc_t fourcc )
+{
+#define DEINTERLEAVE_TYPE(type) \
+do { \
+ type *d = dst; \
+ const type *s = src; \
+ for( size_t i = 0; i < chans; i++ ) { \
+ for( size_t j = 0, k = 0; j < samples; j++, k += chans ) \
+ *(d++) = s[k]; \
+ s++; \
+ } \
+} while(0)
+
+ switch( fourcc )
+ {
+ case VLC_CODEC_U8: DEINTERLEAVE_TYPE(uint8_t); break;
+ case VLC_CODEC_S16N: DEINTERLEAVE_TYPE(uint16_t); break;
+ case VLC_CODEC_FL32: DEINTERLEAVE_TYPE(float); break;
+ case VLC_CODEC_S32N: DEINTERLEAVE_TYPE(int32_t); break;
+ case VLC_CODEC_FL64: DEINTERLEAVE_TYPE(double); break;
+ default: assert(0);
}
+#undef DEINTERLEAVE_TYPE
}
/*****************************************************************************
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 )
projects / vlc / blobdiff