Commit 095526d1 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

trivial mixer: support all linear formats

parent a822a430
......@@ -60,8 +60,7 @@ static int Create( vlc_object_t *p_this )
{
aout_mixer_t *p_mixer = (aout_mixer_t *)p_this;
if ( p_mixer->fmt.i_format != VLC_CODEC_FL32
&& p_mixer->fmt.i_format != VLC_CODEC_FI32 )
if( AOUT_FMT_NON_LINEAR( &p_mixer->fmt ) )
return -1;
p_mixer->mix = DoWork;
......@@ -75,9 +74,10 @@ static aout_buffer_t *DoWork( aout_mixer_t *p_mixer, unsigned samples,
float multiplier )
{
aout_mixer_input_t *p_input = p_mixer->input;
int i_nb_channels = aout_FormatNbChannels( &p_mixer->fmt );
ssize_t i_buffer = samples * i_nb_channels * sizeof(int32_t);
aout_buffer_t *p_buffer = block_Alloc( i_buffer );
unsigned framesize = aout_FormatNbChannels( &p_mixer->fmt )
* (p_mixer->fmt.i_bitspersample / 8);
size_t needed = samples * framesize;
aout_buffer_t *p_buffer = block_Alloc( needed );
if( unlikely(p_buffer == NULL) )
return NULL;
......@@ -88,22 +88,17 @@ static aout_buffer_t *DoWork( aout_mixer_t *p_mixer, unsigned samples,
for ( ; ; )
{
ptrdiff_t i_available_bytes = (p_input->fifo.p_first->p_buffer
- p_in)
+ p_input->fifo.p_first->i_nb_samples
* sizeof(int32_t)
* i_nb_channels;
size_t avail = p_input->fifo.p_first->i_nb_samples * framesize
- (p_in - p_input->fifo.p_first->p_buffer);
if ( i_available_bytes < i_buffer )
if ( avail < needed )
{
aout_buffer_t * p_old_buffer;
vlc_memcpy( p_out, p_in, i_available_bytes );
i_buffer -= i_available_bytes;
p_out += i_available_bytes;
vlc_memcpy( p_out, p_in, avail );
needed -= avail;
p_out += avail;
/* Next buffer */
p_old_buffer = aout_FifoPop( NULL, &p_input->fifo );
aout_buffer_t *p_old_buffer = aout_FifoPop( NULL, &p_input->fifo );
aout_BufferFree( p_old_buffer );
if ( p_input->fifo.p_first == NULL )
{
......@@ -114,8 +109,8 @@ static aout_buffer_t *DoWork( aout_mixer_t *p_mixer, unsigned samples,
}
else
{
vlc_memcpy( p_out, p_in, i_buffer );
p_input->begin = p_in + i_buffer;
vlc_memcpy( p_out, p_in, needed );
p_input->begin = p_in + needed;
break;
}
}
......
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