X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Faudio_mixer%2Ffloat32.c;h=0792a50581a3a8ae181f3e98112d171faa2f2e96;hb=d4b55453aa9284ce720f6e2b692d9fd2f2f4e825;hp=1e72e9a1818c6f5eef84d4d507d582255d3f635a;hpb=d86bf0f41aeaddd3858b7efac5214a2417efc02e;p=vlc diff --git a/modules/audio_mixer/float32.c b/modules/audio_mixer/float32.c index 1e72e9a181..0792a50581 100644 --- a/modules/audio_mixer/float32.c +++ b/modules/audio_mixer/float32.c @@ -1,8 +1,8 @@ /***************************************************************************** * float32.c : precise float32 audio mixer implementation ***************************************************************************** - * Copyright (C) 2002 VideoLAN - * $Id: float32.c,v 1.6 2002/10/15 23:10:54 massiot Exp $ + * Copyright (C) 2002 the VideoLAN team + * $Id$ * * Authors: Christophe Massiot * @@ -10,7 +10,7 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the @@ -18,19 +18,21 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ -#include -#include /* malloc(), free() */ -#include -#include -#include "audio_output.h" -#include "aout_internal.h" +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include /***************************************************************************** * Local prototypes @@ -43,13 +45,15 @@ static void DoWork ( aout_instance_t *, aout_buffer_t * ); * Module descriptor *****************************************************************************/ vlc_module_begin(); - set_description( _("float32 audio mixer module") ); + set_category( CAT_AUDIO ); + set_subcategory( SUBCAT_AUDIO_MISC ); + set_description( N_("Float32 audio mixer") ); set_capability( "audio mixer", 10 ); set_callbacks( Create, NULL ); vlc_module_end(); /***************************************************************************** - * Create: allocate trivial mixer + * Create: allocate mixer *****************************************************************************/ static int Create( vlc_object_t *p_this ) { @@ -60,14 +64,20 @@ static int Create( vlc_object_t *p_this ) return -1; } + /* Use the trivial mixer when we can */ if ( p_aout->i_nb_inputs == 1 && p_aout->mixer.f_multiplier == 1.0 ) { - /* Tell the trivial mixer to go for it. */ - return -1; + int i; + for( i = 0; i < p_aout->i_nb_inputs; i++ ) + { + if( p_aout->pp_inputs[i]->f_multiplier != 1.0 ) + break; + } + if( i >= p_aout->i_nb_inputs ) + return -1; } p_aout->mixer.pf_do_work = DoWork; - return 0; } @@ -109,19 +119,22 @@ static void MeanWords( float * p_out, const float * p_in, size_t i_nb_words, *****************************************************************************/ static void DoWork( aout_instance_t * p_aout, aout_buffer_t * p_buffer ) { - int i_nb_inputs = p_aout->i_nb_inputs; - float f_multiplier = p_aout->mixer.f_multiplier; + const int i_nb_inputs = p_aout->i_nb_inputs; + const float f_multiplier_global = p_aout->mixer.f_multiplier; + const int i_nb_channels = aout_FormatNbChannels( &p_aout->mixer.mixer ); int i_input; - int i_nb_channels = aout_FormatNbChannels( &p_aout->mixer.mixer ); for ( i_input = 0; i_input < i_nb_inputs; i_input++ ) { int i_nb_words = p_buffer->i_nb_samples * i_nb_channels; aout_input_t * p_input = p_aout->pp_inputs[i_input]; + float f_multiplier = f_multiplier_global * p_input->f_multiplier; + float * p_out = (float *)p_buffer->p_buffer; float * p_in = (float *)p_input->p_first_byte_to_mix; - if ( p_input->b_error ) continue; + if ( p_input->b_error || p_input->b_paused ) + continue; for ( ; ; ) {