Commit 754e4b92 authored by gbazin's avatar gbazin
Browse files

* modules/mux/wav.c: use aout_ChannelReorder().

* modules/demux/wav.c: handle 7.1 multichannel audio.
* modules/codec/araw.c: handle 7.1 multichannel audio.
parent 3f1a4f0f
......@@ -62,7 +62,7 @@ struct decoder_sys_t
audio_date_t end_date;
};
static int pi_channels_maps[7] =
static int pi_channels_maps[9] =
{
0,
AOUT_CHAN_CENTER,
......@@ -74,6 +74,12 @@ static int pi_channels_maps[7] =
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_LFE
};
static int16_t ulawtos16[256] =
......@@ -187,9 +193,9 @@ static int DecoderOpen( vlc_object_t *p_this )
}
if( p_dec->fmt_in.audio.i_channels <= 0 ||
p_dec->fmt_in.audio.i_channels > 6 )
p_dec->fmt_in.audio.i_channels > 8 )
{
msg_Err( p_dec, "bad channels count(1-6)" );
msg_Err( p_dec, "bad channels count (1-8)" );
return VLC_EGENERIC;
}
......
......@@ -79,13 +79,16 @@ static void FrameInfo_PCM ( demux_t *, unsigned int *, int * );
static const uint32_t pi_channels_src[] =
{ WAVE_SPEAKER_FRONT_LEFT, WAVE_SPEAKER_FRONT_RIGHT,
WAVE_SPEAKER_FRONT_CENTER, WAVE_SPEAKER_LOW_FREQUENCY,
WAVE_SPEAKER_BACK_LEFT, WAVE_SPEAKER_BACK_RIGHT, 0 };
WAVE_SPEAKER_BACK_LEFT, WAVE_SPEAKER_BACK_RIGHT,
WAVE_SPEAKER_SIDE_LEFT, WAVE_SPEAKER_SIDE_RIGHT, 0 };
static const uint32_t pi_channels_in[] =
{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
AOUT_CHAN_CENTER, AOUT_CHAN_LFE,
AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, 0 };
AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT, 0 };
static const uint32_t pi_channels_out[] =
{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
......
......@@ -70,28 +70,25 @@ struct sout_mux_sys_t
uint32_t i_channel_mask;
vlc_bool_t b_chan_reorder; /* do we need channel reordering */
int pi_chan_table[MAX_CHANNELS];
int pi_chan_table[AOUT_CHAN_MAX];
};
static const uint32_t pi_channels_in[] =
static const uint32_t pi_channels_src[] =
{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
AOUT_CHAN_CENTER, AOUT_CHAN_LFE };
static const uint32_t pi_channels_out[] =
AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
static const uint32_t pi_channels_in[] =
{ WAVE_SPEAKER_FRONT_LEFT, WAVE_SPEAKER_FRONT_RIGHT,
WAVE_SPEAKER_SIDE_LEFT, WAVE_SPEAKER_SIDE_RIGHT,
WAVE_SPEAKER_BACK_LEFT, WAVE_SPEAKER_BACK_RIGHT,
WAVE_SPEAKER_FRONT_CENTER, WAVE_SPEAKER_LOW_FREQUENCY };
static const uint32_t pi_channels_ordered[] =
WAVE_SPEAKER_FRONT_CENTER, WAVE_SPEAKER_LOW_FREQUENCY, 0 };
static const uint32_t pi_channels_out[] =
{ WAVE_SPEAKER_FRONT_LEFT, WAVE_SPEAKER_FRONT_RIGHT,
WAVE_SPEAKER_FRONT_CENTER, WAVE_SPEAKER_LOW_FREQUENCY,
WAVE_SPEAKER_BACK_LEFT, WAVE_SPEAKER_BACK_RIGHT };
static void CheckReordering( sout_mux_t *p_mux, int i_nb_channels );
static void InterleaveS16( int16_t *p_buf, int i_buf, int *pi_chan_table,
int i_nb_channels );
static void InterleaveFloat32( float *p_buf, int i_buf, int *pi_chan_table,
int i_nb_channels );
WAVE_SPEAKER_BACK_LEFT, WAVE_SPEAKER_BACK_RIGHT,
WAVE_SPEAKER_SIDE_LEFT, WAVE_SPEAKER_SIDE_RIGHT, 0 };
/*****************************************************************************
* Open:
......@@ -181,11 +178,18 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
for( i = 0; i < sizeof(pi_channels_in)/sizeof(uint32_t); i++ )
{
if( p_input->p_fmt->audio.i_physical_channels & pi_channels_in[i] )
p_sys->i_channel_mask |= pi_channels_out[i];
if( p_input->p_fmt->audio.i_physical_channels & pi_channels_src[i])
p_sys->i_channel_mask |= pi_channels_in[i];
}
msg_Dbg( p_mux, "channel mask: %x", p_sys->i_channel_mask );
CheckReordering( p_mux, p_input->p_fmt->audio.i_channels );
p_sys->b_chan_reorder =
aout_CheckChannelReorder( pi_channels_in, pi_channels_out,
p_sys->i_channel_mask,
p_input->p_fmt->audio.i_channels,
p_sys->pi_chan_table );
msg_Dbg( p_mux, "channel mask: %x, reordering: %i",
p_sys->i_channel_mask, (int)p_sys->b_chan_reorder );
}
i_format = p_input->p_fmt->i_codec == VLC_FOURCC('f', 'l', '3', '2') ?
......@@ -285,97 +289,13 @@ static int Mux( sout_mux_t *p_mux )
/* Do the channel reordering */
if( p_sys->b_chan_reorder )
{
if( p_input->p_fmt->i_codec == VLC_FOURCC('s','1','6','l') )
InterleaveS16( (int16_t *)p_block->p_buffer,
p_block->i_buffer, p_sys->pi_chan_table,
p_input->p_fmt->audio.i_channels );
else if( p_input->p_fmt->i_codec == VLC_FOURCC('f','l','3','2') )
InterleaveFloat32( (float *)p_block->p_buffer,
p_block->i_buffer, p_sys->pi_chan_table,
p_input->p_fmt->audio.i_channels );
}
aout_ChannelReorder( p_block->p_buffer, p_block->i_buffer,
p_input->p_fmt->audio.i_channels,
p_sys->pi_chan_table,
p_input->p_fmt->audio.i_bitspersample );
sout_AccessOutWrite( p_mux->p_access, p_block );
}
return VLC_SUCCESS;
}
/*****************************************************************************
* CheckReordering: Check if we need to do some channel re-ordering
* (our channel order is different from the one chosen by Microsoft).
*****************************************************************************/
static void CheckReordering( sout_mux_t *p_mux, int i_nb_channels )
{
sout_mux_sys_t *p_sys = p_mux->p_sys;
int i, j, k, l;
p_sys->b_chan_reorder = VLC_FALSE;
for( i = 0, j = 0;
i < (int)(sizeof(pi_channels_out)/sizeof(uint32_t)); i++ )
{
if( p_sys->i_channel_mask & pi_channels_out[i] )
{
for( k = 0, l = 0;
pi_channels_out[i] != pi_channels_ordered[k]; k++ )
{
if( p_sys->i_channel_mask & pi_channels_ordered[k] )
{
l++;
}
}
p_sys->pi_chan_table[j] = l;
j++;
}
}
for( i = 0; i < i_nb_channels; i++ )
{
if( p_sys->pi_chan_table[i] != i ) p_sys->b_chan_reorder = VLC_TRUE;
}
if( p_sys->b_chan_reorder ) msg_Dbg( p_mux, "channel reordering needed" );
}
/*****************************************************************************
* InterleaveFloat32/S16: change the channel order to the Microsoft one.
*****************************************************************************/
static void InterleaveFloat32( float *p_buf, int i_buf, int *pi_chan_table,
int i_nb_channels )
{
int i, j;
float p_tmp[MAX_CHANNELS];
for( i = 0; i < i_buf / i_nb_channels / sizeof(float); i++ )
{
for( j = 0; j < i_nb_channels; j++ )
{
p_tmp[pi_chan_table[j]] = p_buf[i*i_nb_channels + j];
}
memcpy( &p_buf[i*i_nb_channels], p_tmp,
i_nb_channels * sizeof(float) );
}
}
static void InterleaveS16( int16_t *p_buf, int i_buf, int *pi_chan_table,
int i_nb_channels )
{
int i, j;
int16_t p_tmp[MAX_CHANNELS];
for( i = 0; i < i_buf / i_nb_channels / sizeof(int16_t); i++ )
{
for( j = 0; j < i_nb_channels; j++ )
{
p_tmp[pi_chan_table[j]] = p_buf[i*i_nb_channels + j];
}
memcpy( &p_buf[i*i_nb_channels], p_tmp,
i_nb_channels * sizeof(int16_t) );
}
}
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