* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
#include <vlc_aout.h>
#include <vlc_codec.h>
#include <vlc_input.h>
static void Close( vlc_object_t * );
vlc_module_begin();
- set_description( _("AAC audio decoder (using libfaad2)") );
+ set_description( N_("AAC audio decoder (using libfaad2)") );
set_capability( "decoder", 100 );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_ACODEC );
* Local prototypes
****************************************************************************/
static aout_buffer_t *DecodeBlock( decoder_t *, block_t ** );
-static void DoReordering( decoder_t *, uint32_t *, uint32_t *, int, int,
- uint32_t * );
+static void DoReordering( uint32_t *, uint32_t *, int, int, uint32_t * );
#define MAX_CHANNEL_POSITIONS 9
/* temporary buffer */
uint8_t *p_buffer;
int i_buffer;
- int i_buffer_size;
+ size_t i_buffer_size;
/* Channel positions of the current stream (for re-ordering) */
uint32_t pi_channel_positions[MAX_CHANNEL_POSITIONS];
- vlc_bool_t b_sbr, b_ps;
+ bool b_sbr, b_ps;
+
+ int i_input_rate;
};
static const uint32_t pi_channels_in[MAX_CHANNEL_POSITIONS] =
AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
AOUT_CHAN_CENTER, AOUT_CHAN_REARCENTER, AOUT_CHAN_LFE
};
+static const uint32_t pi_channels_guessed[MAX_CHANNEL_POSITIONS] =
+ { 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_LFE,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT | AOUT_CHAN_CENTER,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_LFE,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT
+ | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
+ | AOUT_CHAN_CENTER,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_MIDDLELEFT
+ | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
+ | AOUT_CHAN_CENTER | AOUT_CHAN_LFE
+ };
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
- {
- msg_Err( p_dec, "out of memory" );
- return VLC_EGENERIC;
- }
+ return VLC_ENOMEM;
/* Open a faad context */
if( ( p_sys->hfaad = faacDecOpen() ) == NULL )
aout_DateSet( &p_sys->date, 0 );
p_dec->fmt_out.i_cat = AUDIO_ES;
- if (p_this->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
+ if (vlc_CPU() & CPU_CAPABILITY_FPU)
p_dec->fmt_out.i_codec = VLC_FOURCC('f','l','3','2');
else
p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
p_dec->fmt_out.audio.i_rate = i_rate;
p_dec->fmt_out.audio.i_channels = i_channels;
+ p_dec->fmt_out.audio.i_physical_channels
+ = p_dec->fmt_out.audio.i_original_channels
+ = pi_channels_guessed[i_channels];
aout_DateInit( &p_sys->date, i_rate );
}
else
/* Set the faad config */
cfg = faacDecGetCurrentConfiguration( p_sys->hfaad );
- if (p_this->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
+ if (vlc_CPU() & CPU_CAPABILITY_FPU)
cfg->outputFormat = FAAD_FMT_FLOAT;
else
cfg->outputFormat = FAAD_FMT_16BIT;
/* buffer */
p_sys->i_buffer = p_sys->i_buffer_size = 0;
- p_sys->p_buffer = 0;
+ p_sys->p_buffer = NULL;
+
+ p_sys->i_input_rate = INPUT_RATE_DEFAULT;
/* Faad2 can't deal with truncated data (eg. from MPEG TS) */
- p_dec->b_need_packetized = VLC_TRUE;
+ p_dec->b_need_packetized = true;
- p_sys->b_sbr = p_sys->b_ps = VLC_FALSE;
+ p_sys->b_sbr = p_sys->b_ps = false;
return VLC_SUCCESS;
}
return NULL;
}
+ if( p_block->i_rate > 0 )
+ p_sys->i_input_rate = p_block->i_rate;
+
+ /* Remove ADTS header if we have decoder specific config */
+ if( p_dec->fmt_in.i_extra && p_block->i_buffer > 7 )
+ {
+ if( p_block->p_buffer[0] == 0xff &&
+ ( p_block->p_buffer[1] & 0xf0 ) == 0xf0 ) /* syncword */
+ { /* ADTS header present */
+ size_t i_header_size; /* 7 bytes (+ 2 bytes for crc) */
+ i_header_size = 7 + ( ( p_block->p_buffer[1] & 0x01 ) ? 0 : 2 );
+ /* FIXME: multiple blocks per frame */
+ if( p_block->i_buffer > i_header_size )
+ {
+ vlc_memcpy( p_block->p_buffer,
+ p_block->p_buffer + i_header_size,
+ p_block->i_buffer - i_header_size );
+ p_block->i_buffer -= i_header_size;
+ }
+ }
+ }
+
/* Append the block to the temporary buffer */
if( p_sys->i_buffer_size < p_sys->i_buffer + p_block->i_buffer )
{
p_sys->p_buffer = realloc( p_sys->p_buffer, p_sys->i_buffer_size );
}
- if( p_block->i_buffer )
+ if( p_block->i_buffer > 0 )
{
- memcpy( &p_sys->p_buffer[p_sys->i_buffer],
- p_block->p_buffer, p_block->i_buffer );
+ vlc_memcpy( &p_sys->p_buffer[p_sys->i_buffer],
+ p_block->p_buffer, p_block->i_buffer );
p_sys->i_buffer += p_block->i_buffer;
p_block->i_buffer = 0;
}
{
p_dec->fmt_out.audio.i_rate = i_rate;
p_dec->fmt_out.audio.i_channels = i_channels;
+ p_dec->fmt_out.audio.i_physical_channels
+ = p_dec->fmt_out.audio.i_original_channels
+ = pi_channels_guessed[i_channels];
+
aout_DateInit( &p_sys->date, i_rate );
}
}
p_dec->fmt_out.audio.i_rate = i_rate;
p_dec->fmt_out.audio.i_channels = i_channels;
+ p_dec->fmt_out.audio.i_physical_channels
+ = p_dec->fmt_out.audio.i_original_channels
+ = pi_channels_guessed[i_channels];
aout_DateInit( &p_sys->date, i_rate );
}
p_dec->fmt_out.audio.i_rate = frame.samplerate;
p_dec->fmt_out.audio.i_channels = frame.channels;
+ p_dec->fmt_out.audio.i_physical_channels
+ = p_dec->fmt_out.audio.i_original_channels
+ = pi_channels_guessed[frame.channels];
/* Adjust stream info when dealing with SBR/PS */
if( (p_sys->b_sbr != frame.sbr || p_sys->b_ps != frame.ps) &&
p_dec->p_parent->i_object_type == VLC_OBJECT_INPUT )
{
- input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
- char *psz_cat, *psz_ext = (frame.sbr && frame.ps) ? "SBR+PS" :
- frame.sbr ? "SBR" : "PS";
-
- msg_Dbg( p_dec, "AAC %s (channels: %u, samplerate: %lu)",
- psz_ext, frame.channels, frame.samplerate );
-
- asprintf( &psz_cat, _("Stream %d"), p_dec->fmt_in.i_id );
- input_Control( p_input, INPUT_ADD_INFO, psz_cat,
- _("AAC extension"), "%s", psz_ext );
- input_Control( p_input, INPUT_ADD_INFO, psz_cat,
- _("Channels"), "%d", frame.channels );
- input_Control( p_input, INPUT_ADD_INFO, psz_cat,
- _("Sample rate"), _("%d Hz"), frame.samplerate );
- free( psz_cat );
- p_sys->b_sbr = frame.sbr; p_sys->b_ps = frame.ps;
+ input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
+ char *psz_cat;
+ const char *psz_ext = (frame.sbr && frame.ps) ? "SBR+PS" :
+ frame.sbr ? "SBR" : "PS";
+
+ msg_Dbg( p_dec, "AAC %s (channels: %u, samplerate: %lu)",
+ psz_ext, frame.channels, frame.samplerate );
+
+ if( asprintf( &psz_cat, _("Stream %d"), p_dec->fmt_in.i_id ) != -1 )
+ {
+ input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+ _("AAC extension"), "%s", psz_ext );
+ input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+ _("Channels"), "%d", frame.channels );
+ input_Control( p_input, INPUT_ADD_INFO, psz_cat,
+ _("Sample rate"), _("%d Hz"), frame.samplerate );
+ free( psz_cat );
+ }
+ p_sys->b_sbr = frame.sbr; p_sys->b_ps = frame.ps;
}
/* Convert frame.channel_position to our own channel values */
p_out->start_date = aout_DateGet( &p_sys->date );
p_out->end_date = aout_DateIncrement( &p_sys->date,
- frame.samples / frame.channels );
+ (frame.samples / frame.channels) * p_sys->i_input_rate / INPUT_RATE_DEFAULT );
- DoReordering( p_dec, (uint32_t *)p_out->p_buffer, samples,
+ DoReordering( (uint32_t *)p_out->p_buffer, samples,
frame.samples / frame.channels, frame.channels,
p_sys->pi_channel_positions );
decoder_sys_t *p_sys = p_dec->p_sys;
faacDecClose( p_sys->hfaad );
- if( p_sys->p_buffer ) free( p_sys->p_buffer );
+ free( p_sys->p_buffer );
free( p_sys );
}
* DoReordering: do some channel re-ordering (the ac3 channel order is
* different from the aac one).
*****************************************************************************/
-static void DoReordering( decoder_t *p_dec,
- uint32_t *p_out, uint32_t *p_in, int i_samples,
+static void DoReordering( uint32_t *p_out, uint32_t *p_in, int i_samples,
int i_nb_channels, uint32_t *pi_chan_positions )
{
int pi_chan_table[MAX_CHANNEL_POSITIONS];
int i, j, k;
/* Find the channels mapping */
- for( k = 0, j = 0; k < i_nb_channels; k++ )
+ for( i = 0, j = 0; i < MAX_CHANNEL_POSITIONS; i++ )
{
- for( i = 0; i < MAX_CHANNEL_POSITIONS; i++ )
+ for( k = 0; k < i_nb_channels; k++ )
{
if( pi_channels_ordered[i] == pi_chan_positions[k] )
{
}
/* Do the actual reordering */
- if( p_dec->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU )
+ if( vlc_CPU() & CPU_CAPABILITY_FPU )
for( i = 0; i < i_samples; i++ )
for( j = 0; j < i_nb_channels; j++ )
p_out[i * i_nb_channels + pi_chan_table[j]] =
((uint16_t *)p_out)[i * i_nb_channels + pi_chan_table[j]] =
((uint16_t *)p_in)[i * i_nb_channels + j];
}
+