#include <dlog.h>
+#define MC_PREALLOCATED_HANDLE_ARRAY_SIZE 16
+
+static mm_resource_manager_h resource_manager;
+static GPtrArray *mediacodec_handles;
+static GMutex mediacodec_handles_lock;
+
static gboolean __mediacodec_empty_buffer_cb(media_packet_h pkt, void *user_data);
static gboolean __mediacodec_fill_buffer_cb(media_packet_h pkt, void *user_data);
static gboolean __mediacodec_error_cb(mediacodec_error_e error, void *user_data);
static gboolean __mediacodec_eos_cb(void *user_data);
static gboolean __mediacodec_supported_codec_cb(mediacodec_codec_type_e codec_type, void *user_data);
static gboolean __mediacodec_buffer_status_cb(mediacodec_status_e status, void *user_data);
+static void __mediacodec_init_lib() __attribute__((constructor));
+static void __mediacodec_deinit_lib() __attribute__((destructor));
+static int __mediacodec_resource_release_cb(mm_resource_manager_h rm,
+ mm_resource_manager_res_h resource_h, void *user_data);
/*
* Internal Implementation
LOGD("mediacodec_create..");
+ if (resource_manager == NULL)
+ return MEDIACODEC_ERROR_INTERNAL;
+
handle = (mediacodec_s *)malloc(sizeof(mediacodec_s));
if (handle != NULL) {
memset(handle, 0 , sizeof(mediacodec_s));
mc_set_buffer_status_cb(handle->mc_handle, (mediacodec_buffer_status_cb)__mediacodec_buffer_status_cb, handle);
mc_set_supported_codec_cb(handle->mc_handle, (mediacodec_supported_codec_cb)__mediacodec_supported_codec_cb, handle);
+ g_mutex_lock(&mediacodec_handles_lock);
+ g_ptr_array_insert(mediacodec_handles, -1, *mediacodec);
+ g_mutex_unlock(&mediacodec_handles_lock);
+
return MEDIACODEC_ERROR_NONE;
}
LOGD("MEDIACODEC_ERROR_INVALID_OPERATION(0x%08x)", MEDIACODEC_ERROR_INVALID_OPERATION);
return MEDIACODEC_ERROR_INVALID_OPERATION;
} else {
+ g_mutex_lock(&mediacodec_handles_lock);
+ g_ptr_array_remove_fast(mediacodec_handles, mediacodec);
+ g_mutex_unlock(&mediacodec_handles_lock);
+
handle->state = MEDIACODEC_STATE_NONE;
free(handle);
handle = NULL;
{
MEDIACODEC_INSTANCE_CHECK(mediacodec);
mediacodec_s *handle = (mediacodec_s *)mediacodec;
+ mc_handle_t *mc_handle = (mc_handle_t *) handle->mc_handle;
+ int rm_ret = MM_RESOURCE_MANAGER_ERROR_NONE;
+ mm_resource_manager_res_h resource;
MEDIACODEC_STATE_CHECK(handle, MEDIACODEC_STATE_IDLE);
+ if (mc_handle->is_hw && mc_handle->is_video) {
+
+ if (handle->codec_resource) {
+ LOGE("Codec resource is tried to be acquired twice\n");
+ return MC_INTERNAL_ERROR;
+ }
+
+ /*
+ * TODO
+ * Currently volume of requested resource is set to 1. Default
+ * capacity for video encoder/decoder is 1 too. The actual capacity
+ * should be set in mmfw-sysconf > mmfw_resource_manager.ini.
+ * If different encode/decode operation needs different volume of
+ * video encoder/decoder, '1' in the following
+ * mm_resource_manager_mark_for_acquire function should be set to
+ * corresponding value.
+ * If that value depends on platform where it's executed,
+ * MM_RESOURCE_MANAGER_RES_TYPE_COND_* and
+ * mm_resource_manager_get_res_type_volume() can be used.
+ * Additional info can be found in doxygen comments of mm_resource_manager.h
+ */
+ rm_ret = mm_resource_manager_mark_for_acquire(resource_manager,
+ mc_handle->is_encoder ?
+ MM_RESOURCE_MANAGER_RES_TYPE_VIDEO_ENCODER :
+ MM_RESOURCE_MANAGER_RES_TYPE_VIDEO_DECODER,
+ 1, &resource);
+ if (rm_ret != MM_RESOURCE_MANAGER_ERROR_NONE)
+ switch (rm_ret) {
+ case MM_RESOURCE_MANAGER_ERROR_NOT_SUPPORTED:
+ return MEDIACODEC_ERROR_NOT_SUPPORTED_ON_DEVICE;
+ case MM_RESOURCE_MANAGER_ERROR_NOT_ENOUGH:
+ return MEDIACODEC_ERROR_RESOURCE_OVERLOADED;
+ default:
+ return MEDIACODEC_ERROR_INTERNAL;
+ }
+
+ rm_ret = mm_resource_manager_commit(resource_manager);
+ if (rm_ret != MM_RESOURCE_MANAGER_ERROR_NONE) {
+ mm_resource_manager_mark_for_release(resource_manager, resource);
+ switch (rm_ret) {
+ case MM_RESOURCE_MANAGER_ERROR_LOW_PRIORITY:
+ return MEDIACODEC_ERROR_RESOURCE_OVERLOADED;
+ default:
+ return MEDIACODEC_ERROR_INTERNAL;
+ }
+ }
+
+ handle->codec_resource = resource;
+ }
+
int ret = mc_prepare(handle->mc_handle);
if (ret != MEDIACODEC_ERROR_NONE) {
if (ret != MEDIACODEC_ERROR_NONE) {
return __convert_error_code(ret, (char *)__FUNCTION__);
} else {
+ if (handle->codec_resource != NULL) {
+ mm_resource_manager_mark_for_release(resource_manager,
+ handle->codec_resource);
+ handle->codec_resource = NULL;
+ mm_resource_manager_commit(resource_manager);
+ } else {
+ LOGD("No codec resource to release. Probably resource release cb called\n");
+ }
+
handle->state = MEDIACODEC_STATE_IDLE;
return MEDIACODEC_ERROR_NONE;
}
return 1;
}
+
+
+static int __mediacodec_resource_release_cb(mm_resource_manager_h rm,
+ mm_resource_manager_res_h resource_h, void *user_data)
+{
+ int i;
+ mediacodec_s *handle;
+
+ g_mutex_lock(&mediacodec_handles_lock);
+ for (i = 0; i < mediacodec_handles->len; i++) {
+ handle = g_ptr_array_index(mediacodec_handles, i);
+ if (handle->codec_resource == resource_h) {
+ /*
+ * TODO
+ * The resource release cb is asynchronous, so mediacodec_unprepare might be
+ * called in this thread and in the main thread at the same time.
+ * Mutex lock/unlock should be added in the body of mediacodec_unprepare() to
+ * avoid the race condition.
+ */
+ handle->codec_resource = NULL;
+ mediacodec_unprepare((mediacodec_h)handle);
+ __mediacodec_error_cb(MEDIACODEC_ERROR_RESOURCE_OVERLOADED, handle);
+ break;
+ }
+ }
+ g_mutex_unlock(&mediacodec_handles_lock);
+
+ return FALSE;
+}
+
+static void __mediacodec_init_lib()
+{
+ mediacodec_handles = g_ptr_array_sized_new(MC_PREALLOCATED_HANDLE_ARRAY_SIZE);
+ mm_resource_manager_create(MM_RESOURCE_MANAGER_APP_CLASS_MEDIA,
+ __mediacodec_resource_release_cb, NULL, &resource_manager);
+}
+
+static void __mediacodec_deinit_lib()
+{
+ if (resource_manager != NULL)
+ mm_resource_manager_destroy(resource_manager);
+ g_ptr_array_unref(mediacodec_handles);
+}