+
+/*****************************************************************************
+ * static functions
+ *****************************************************************************/
+
+static void inputFailure( aout_instance_t * p_aout, aout_input_t * p_input,
+ const char * psz_error_message )
+{
+ /* error message */
+ msg_Err( p_aout, "%s", psz_error_message );
+
+ /* clean up */
+ aout_FiltersDestroyPipeline( p_aout, p_input->pp_filters,
+ p_input->i_nb_filters );
+ aout_FiltersDestroyPipeline( p_aout, p_input->pp_resamplers,
+ p_input->i_nb_resamplers );
+ aout_FifoDestroy( p_aout, &p_input->mixer.fifo );
+ var_Destroy( p_aout, "visual" );
+ var_Destroy( p_aout, "equalizer" );
+ var_Destroy( p_aout, "audio-filter" );
+ var_Destroy( p_aout, "audio-visual" );
+
+ var_Destroy( p_aout, "audio-replay-gain-mode" );
+ var_Destroy( p_aout, "audio-replay-gain-default" );
+ var_Destroy( p_aout, "audio-replay-gain-preamp" );
+ var_Destroy( p_aout, "audio-replay-gain-peak-protection" );
+
+ /* error flag */
+ p_input->b_error = 1;
+}
+
+static void inputDrop( aout_input_t *p_input, aout_buffer_t *p_buffer )
+{
+ aout_BufferFree( p_buffer );
+
+ p_input->i_buffer_lost++;
+}
+
+static void inputResamplingStop( aout_input_t *p_input )
+{
+ p_input->i_resampling_type = AOUT_RESAMPLING_NONE;
+ if( p_input->i_nb_resamplers != 0 )
+ {
+ p_input->pp_resamplers[0]->fmt_in.audio.i_rate =
+ ( p_input->pp_resamplers[0] == p_input->p_playback_rate_filter )
+ ? INPUT_RATE_DEFAULT * p_input->input.i_rate / p_input->i_last_input_rate
+ : p_input->input.i_rate;
+ }
+}
+
+static vout_thread_t *RequestVout( void *p_private,
+ vout_thread_t *p_vout, video_format_t *p_fmt, bool b_recycle )
+{
+ aout_instance_t *p_aout = p_private;
+ VLC_UNUSED(b_recycle);
+ vout_configuration_t cfg = {
+ .vout = p_vout,
+ .input = NULL,
+ .change_fmt = true,
+ .fmt = p_fmt,
+ .dpb_size = 1,
+ };
+ return vout_Request( p_aout, &cfg );
+}
+
+vout_thread_t *aout_filter_RequestVout( filter_t *p_filter,
+ vout_thread_t *p_vout, video_format_t *p_fmt )
+{
+ aout_input_t *p_input = p_filter->p_owner->p_input;
+ aout_request_vout_t *p_request = &p_input->request_vout;
+
+ /* XXX: this only works from audio input */
+ /* If you want to use visualization filters from another place, you will
+ * need to add a new pf_aout_request_vout callback or store a pointer
+ * to aout_request_vout_t inside filter_t (i.e. a level of indirection). */
+
+ return p_request->pf_request_vout( p_request->p_private,
+ p_vout, p_fmt, p_input->b_recycle_vout );
+}
+
+static int ChangeFiltersString( aout_instance_t * p_aout, const char* psz_variable,
+ const char *psz_name, bool b_add )
+{
+ return aout_ChangeFilterString( VLC_OBJECT(p_aout), p_aout,
+ psz_variable, psz_name, b_add ) ? 1 : 0;
+}
+
+static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ char *psz_mode = newval.psz_string;
+ (void)psz_cmd; (void)oldval; (void)p_data;
+
+ if( !psz_mode || !*psz_mode )
+ {
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
+ }
+ else
+ {
+ if( !strcmp( "goom", psz_mode ) )
+ {
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", true );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
+ }
+ else if( !strcmp( "projectm", psz_mode ) )
+ {
+ ChangeFiltersString( p_aout, "audio-visual", "visual", false );
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", true );
+ }
+ else
+ {
+ var_Create( p_aout, "effect-list", VLC_VAR_STRING );
+ var_SetString( p_aout, "effect-list", psz_mode );
+
+ ChangeFiltersString( p_aout, "audio-visual", "goom", false );
+ ChangeFiltersString( p_aout, "audio-visual", "visual", true );
+ ChangeFiltersString( p_aout, "audio-visual", "projectm", false );
+ }
+ }
+
+ /* That sucks */
+ AoutInputsMarkToRestart( p_aout );
+
+ return VLC_SUCCESS;
+}
+
+static int EqualizerCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ char *psz_mode = newval.psz_string;
+ int i_ret;
+ (void)psz_cmd; (void)oldval; (void)p_data;
+
+ if( !psz_mode || !*psz_mode )
+ {
+ i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
+ false );
+ }
+ else
+ {
+ var_Create( p_aout, "equalizer-preset", VLC_VAR_STRING );
+ var_SetString( p_aout, "equalizer-preset", psz_mode );
+ i_ret = ChangeFiltersString( p_aout, "audio-filter", "equalizer",
+ true );
+ }
+
+ /* That sucks */
+ if( i_ret == 1 )
+ AoutInputsMarkToRestart( p_aout );
+ return VLC_SUCCESS;
+}
+
+static int ReplayGainCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+ VLC_UNUSED(newval); VLC_UNUSED(p_data);
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ int i;
+
+ aout_lock_mixer( p_aout );
+ for( i = 0; i < p_aout->i_nb_inputs; i++ )
+ ReplayGainSelect( p_aout, p_aout->pp_inputs[i] );
+
+ /* Restart the mixer (a trivial mixer may be in use) */
+ if( p_aout->p_mixer )
+ aout_MixerMultiplierSet( p_aout, p_aout->mixer_multiplier );
+ aout_unlock_mixer( p_aout );
+
+ return VLC_SUCCESS;
+}
+
+static void ReplayGainSelect( aout_instance_t *p_aout, aout_input_t *p_input )
+{
+ char *psz_replay_gain = var_GetNonEmptyString( p_aout,
+ "audio-replay-gain-mode" );
+ int i_mode;
+ int i_use;
+ float f_gain;
+
+ p_input->mixer.multiplier = 1.0;
+
+ if( !psz_replay_gain )
+ return;
+
+ /* Find select mode */
+ if( !strcmp( psz_replay_gain, "track" ) )
+ i_mode = AUDIO_REPLAY_GAIN_TRACK;
+ else if( !strcmp( psz_replay_gain, "album" ) )
+ i_mode = AUDIO_REPLAY_GAIN_ALBUM;
+ else
+ i_mode = AUDIO_REPLAY_GAIN_MAX;
+
+ /* If the select mode is not available, prefer the other one */
+ i_use = i_mode;
+ if( i_use != AUDIO_REPLAY_GAIN_MAX && !p_input->replay_gain.pb_gain[i_use] )
+ {
+ for( i_use = 0; i_use < AUDIO_REPLAY_GAIN_MAX; i_use++ )
+ {
+ if( p_input->replay_gain.pb_gain[i_use] )
+ break;
+ }
+ }
+
+ /* */
+ if( i_use != AUDIO_REPLAY_GAIN_MAX )
+ f_gain = p_input->replay_gain.pf_gain[i_use] + var_GetFloat( p_aout, "audio-replay-gain-preamp" );
+ else if( i_mode != AUDIO_REPLAY_GAIN_MAX )
+ f_gain = var_GetFloat( p_aout, "audio-replay-gain-default" );
+ else
+ f_gain = 0.0;
+ p_input->mixer.multiplier = pow( 10.0, f_gain / 20.0 );
+
+ /* */
+ if( p_input->replay_gain.pb_peak[i_use] &&
+ var_GetBool( p_aout, "audio-replay-gain-peak-protection" ) &&
+ p_input->replay_gain.pf_peak[i_use] * p_input->mixer.multiplier > 1.0 )
+ {
+ p_input->mixer.multiplier = 1.0f / p_input->replay_gain.pf_peak[i_use];
+ }
+
+ free( psz_replay_gain );
+}
+