(Audio mixer) Add FLAC support to audio mixer

Makefile.common

@@ -1437,10 +1437,8 @@ endif
 
 ifeq ($(HAVE_BUILTINFLAC),1)
    HAVE_FLAC = 1
-ifneq ($(C89_BUILD), 1)
 	DEFINES += -DHAVE_DR_FLAC -I$(DEPS_DIR)
 	CFLAGS  += -DHAVE_DR_FLAC
-endif
    CFLAGS  += -DHAVE_FLAC -I$(DEPS_DIR)/libFLAC/include
    DEFINES += -DHAVE_STDINT_H -DHAVE_LROUND -DFLAC__HAS_OGG=0 \
               -DFLAC_PACKAGE_VERSION="\"retroarch\""

file_path_special.h

@@ -86,6 +86,7 @@ enum file_path_enum
    FILE_PATH_ZIP_EXTENSION,
    FILE_PATH_7Z_EXTENSION,
    FILE_PATH_OGG_EXTENSION,
+   FILE_PATH_FLAC_EXTENSION,
    FILE_PATH_WAV_EXTENSION,
    FILE_PATH_MOD_EXTENSION,
    FILE_PATH_S3M_EXTENSION,

file_path_str.c

@@ -101,6 +101,9 @@ const char *file_path_str(enum file_path_enum enum_idx)
       case FILE_PATH_PNG_EXTENSION:
          str = ".png";
          break;
+      case FILE_PATH_FLAC_EXTENSION:
+         str = ".flac";
+         break;
       case FILE_PATH_OGG_EXTENSION:
          str = ".ogg";
          break;

tasks/task_audio_mixer.c

@@ -102,6 +102,28 @@ static void task_audio_mixer_handle_upload_ogg(void *task_data,
    free(user_data);
 }
 
+static void task_audio_mixer_handle_upload_flac(void *task_data,
+      void *user_data, const char *err)
+{
+   audio_mixer_stream_params_t params;
+   nbio_buf_t             *img = (nbio_buf_t*)task_data;
+
+   if (!img)
+      return;
+
+   params.volume               = 1.0f;
+   params.type                 = AUDIO_MIXER_TYPE_FLAC;
+   params.state                = AUDIO_STREAM_STATE_PLAYING;
+   params.buf                  = img->buf;
+   params.bufsize              = img->bufsize;
+   params.cb                   = NULL;
+
+   audio_driver_mixer_add_stream(&params);
+
+   free(img);
+   free(user_data);
+}
+
 static void task_audio_mixer_handle_upload_mod(void *task_data,
       void *user_data, const char *err)
 {
@@ -216,6 +238,12 @@ bool task_push_audio_mixer_load(const char *fullpath, retro_task_callback_t cb,
       nbio->type      = NBIO_TYPE_OGG;
       t->callback     = task_audio_mixer_handle_upload_ogg;
    }
+   else if (strstr(fullpath, file_path_str(FILE_PATH_FLAC_EXTENSION)))
+   {
+      image->type     = AUDIO_MIXER_TYPE_FLAC;
+      nbio->type      = NBIO_TYPE_FLAC;
+      t->callback     = task_audio_mixer_handle_upload_flac;
+   }
    else if (	strstr(fullpath, file_path_str(FILE_PATH_MOD_EXTENSION)) ||
 		strstr(fullpath, file_path_str(FILE_PATH_S3M_EXTENSION)) ||
 		strstr(fullpath, file_path_str(FILE_PATH_XM_EXTENSION)))

tasks/task_file_transfer.c

@@ -103,6 +103,7 @@ void task_file_load_handler(retro_task_t *task)
             if (!task_image_load_handler(task))
                task_set_finished(task, true);
             break;
+         case NBIO_TYPE_FLAC:
          case NBIO_TYPE_OGG:
          case NBIO_TYPE_MOD:
          case NBIO_TYPE_WAV:

tasks/tasks_internal.h

@@ -73,6 +73,7 @@ enum nbio_type
    NBIO_TYPE_TGA,
    NBIO_TYPE_BMP,
    NBIO_TYPE_OGG,
+   NBIO_TYPE_FLAC,
    NBIO_TYPE_MOD,
    NBIO_TYPE_WAV
 };