1 files changed, 89 insertions, 0 deletions
diff --git a/post_proc/bundle.h b/post_proc/bundle.h
new file mode 100644
index 00000000..70a06d41
--- /dev/null
+++ b/post_proc/bundle.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OFFLOAD_EFFECT_BUNDLE_H
+#define OFFLOAD_EFFECT_BUNDLE_H
+
+#include <tinyalsa/asoundlib.h>
+#include <sound/audio_effects.h>
+#include "effect_api.h"
+
+/* Retry for delay for mixer open */
+#define RETRY_NUMBER 10
+#define RETRY_US 500000
+
+#define MIXER_CARD 0
+#define SOUND_CARD 0
+
+extern const struct effect_interface_s effect_interface;
+
+typedef struct output_context_s output_context_t;
+typedef struct effect_ops_s effect_ops_t;
+typedef struct effect_context_s effect_context_t;
+
+struct output_context_s {
+    /* node in active_outputs_list */
+    struct listnode outputs_list_node;
+    /* io handle */
+    audio_io_handle_t handle;
+    /* list of effects attached to this output */
+    struct listnode effects_list;
+    /* pcm device id */
+    int pcm_device_id;
+    struct mixer *mixer;
+    struct mixer_ctl *ctl;
+};
+
+/* effect specific operations.
+ * Only the init() and process() operations must be defined.
+ * Others are optional.
+ */
+struct effect_ops_s {
+    int (*init)(effect_context_t *context);
+    int (*release)(effect_context_t *context);
+    int (*reset)(effect_context_t *context);
+    int (*enable)(effect_context_t *context);
+    int (*start)(effect_context_t *context, output_context_t *output);
+    int (*stop)(effect_context_t *context, output_context_t *output);
+    int (*disable)(effect_context_t *context);
+    int (*process)(effect_context_t *context, audio_buffer_t *in, audio_buffer_t *out);
+    int (*set_parameter)(effect_context_t *context, effect_param_t *param, uint32_t size);
+    int (*get_parameter)(effect_context_t *context, effect_param_t *param, uint32_t *size);
+    int (*set_device)(effect_context_t *context, uint32_t device);
+    int (*command)(effect_context_t *context, uint32_t cmdCode, uint32_t cmdSize,
+            void *pCmdData, uint32_t *replySize, void *pReplyData);
+};
+
+struct effect_context_s {
+    const struct effect_interface_s *itfe;
+    /* node in created_effects_list */
+    struct listnode effects_list_node;
+    /* node in output_context_t.effects_list */
+    struct listnode output_node;
+    effect_config_t config;
+    const effect_descriptor_t *desc;
+    /* io handle of the output the effect is attached to */
+    audio_io_handle_t out_handle;
+    uint32_t state;
+    bool offload_enabled;
+    effect_ops_t ops;
+};
+
+int set_config(effect_context_t *context, effect_config_t *config);
+
+bool effect_is_active(effect_context_t *context);
+
+#endif /* OFFLOAD_EFFECT_BUNDLE_H */