X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Faudio_mixer%2Ffloat32.c;h=3df474c3b457372081db9ed6c58383d62a313e5d;hb=830905f60a7db37ab87c5043d09b50ae9ad81594;hp=c3284b63fcb93b56de64303817b526aad04a6004;hpb=2cb472dba008f7d877ffe6bae9c5575253365282;p=vlc diff --git a/modules/audio_mixer/float32.c b/modules/audio_mixer/float32.c index c3284b63fc..3df474c3b4 100644 --- a/modules/audio_mixer/float32.c +++ b/modules/audio_mixer/float32.c @@ -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 @@ -24,51 +24,52 @@ /***************************************************************************** * Preamble *****************************************************************************/ -#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 *****************************************************************************/ static int Create ( vlc_object_t * ); -static void DoWork ( aout_instance_t *, aout_buffer_t * ); +static void DoWork ( aout_mixer_t *, aout_buffer_t * ); /***************************************************************************** * Module descriptor *****************************************************************************/ -vlc_module_begin(); - set_category( CAT_AUDIO ); - set_subcategory( SUBCAT_AUDIO_MISC ); - set_description( _("Float32 audio mixer") ); - set_capability( "audio mixer", 10 ); - set_callbacks( Create, NULL ); -vlc_module_end(); +vlc_module_begin () + 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 mixer *****************************************************************************/ static int Create( vlc_object_t *p_this ) { - aout_instance_t * p_aout = (aout_instance_t *)p_this; + aout_mixer_t * p_mixer = (aout_mixer_t *)p_this; - if ( p_aout->mixer.mixer.i_format != VLC_FOURCC('f','l','3','2') ) - { + if ( p_mixer->fmt.i_format != VLC_CODEC_FL32 ) return -1; - } - if ( p_aout->i_nb_inputs == 1 && p_aout->mixer.f_multiplier == 1.0 ) + /* Use the trivial mixer when we can */ + if ( p_mixer->input_count == 1 && p_mixer->multiplier == 1.0 ) { - /* Tell the trivial mixer to go for it. */ - return -1; + if( p_mixer->input[0]->multiplier == 1.0 ) + return -1; } - p_aout->mixer.pf_do_work = DoWork; - + p_mixer->mix = DoWork; return 0; } @@ -108,21 +109,24 @@ static void MeanWords( float * p_out, const float * p_in, size_t i_nb_words, * Terminology : in this function a word designates a single float32, eg. * a stereo sample is consituted of two words. *****************************************************************************/ -static void DoWork( aout_instance_t * p_aout, aout_buffer_t * p_buffer ) +static void DoWork( aout_mixer_t * p_mixer, 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_mixer->input_count; + const float f_multiplier_global = p_mixer->multiplier; + const int i_nb_channels = aout_FormatNbChannels( &p_mixer->fmt ); 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]; + aout_mixer_input_t * p_input = p_mixer->input[i_input]; + float f_multiplier = f_multiplier_global * p_input->multiplier; + float * p_out = (float *)p_buffer->p_buffer; - float * p_in = (float *)p_input->p_first_byte_to_mix; + float * p_in = (float *)p_input->begin; - if ( p_input->b_error ) continue; + if ( p_input->is_invalid ) + continue; for ( ; ; ) { @@ -153,11 +157,11 @@ static void DoWork( aout_instance_t * p_aout, aout_buffer_t * p_buffer ) p_out += i_available_words; /* Next buffer */ - p_old_buffer = aout_FifoPop( p_aout, &p_input->fifo ); + p_old_buffer = aout_FifoPop( NULL, &p_input->fifo ); aout_BufferFree( p_old_buffer ); if ( p_input->fifo.p_first == NULL ) { - msg_Err( p_aout, "internal amix error" ); + msg_Err( p_mixer, "internal amix error" ); return; } p_in = (float *)p_input->fifo.p_first->p_buffer; @@ -177,8 +181,7 @@ static void DoWork( aout_instance_t * p_aout, aout_buffer_t * p_buffer ) f_multiplier ); } } - p_input->p_first_byte_to_mix = (void *)(p_in - + i_nb_words); + p_input->begin = (void *)(p_in + i_nb_words); break; } }