Fixed playing end of decoded audio data.

 It closes #4278, partially closes #3152, closes last part of #3090.
 It does not fix audio losses due to potentially buffered data by
packetizers/decoders.

src/audio_output/aout_internal.h

@@ -109,6 +109,7 @@ int aout_InputDelete( aout_instance_t * p_aout, aout_input_t * p_input );
 int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
                     aout_buffer_t * p_buffer, int i_input_rate );
 void aout_InputCheckAndRestart( aout_instance_t * p_aout, aout_input_t * p_input );
+bool aout_InputIsEmpty( aout_instance_t * p_aout, aout_input_t * p_input );
 
 /* From filters.c : */
 int aout_FiltersCreatePipeline ( aout_instance_t * p_aout, filter_t ** pp_filters, int * pi_nb_filters, const audio_sample_format_t * p_input_format, const audio_sample_format_t * p_output_format );

src/audio_output/input.c

@@ -757,6 +757,14 @@ int aout_InputPlay( aout_instance_t * p_aout, aout_input_t * p_input,
     return 0;
 }
 
+bool aout_InputIsEmpty( aout_instance_t * p_aout, aout_input_t * p_input )
+{
+    aout_lock_input_fifos( p_aout );
+    bool is_empty = date_Get( &p_input->mixer.fifo.end_date ) <= mdate();
+    aout_unlock_input_fifos( p_aout );
+    return is_empty;
+}
+
 /*****************************************************************************
  * static functions
  *****************************************************************************/

src/input/decoder.c

@@ -396,9 +396,11 @@ bool input_DecoderIsEmpty( decoder_t * p_dec )
     if( b_empty )
     {
         vlc_mutex_lock( &p_owner->lock );
-        /* TODO audio support */
+        /* TODO subtitles support */
         if( p_dec->fmt_out.i_cat == VIDEO_ES && p_owner->p_vout )
             b_empty = vout_IsEmpty( p_owner->p_vout );
+        else if( p_dec->fmt_out.i_cat == AUDIO_ES && p_owner->p_aout && p_owner->p_aout_input )
+            b_empty = aout_InputIsEmpty( p_owner->p_aout, p_owner->p_aout_input );
         vlc_mutex_unlock( &p_owner->lock );
     }
     return b_empty;