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/*
* Copyright (C) 2016 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.
*/
package android;
import android.OMXFenceParcelable;
/**
* Binder interface for a buffer source to be used together with an OMX encoder
*
* @hide
*/
interface IOMXBufferSource {
/**
* This is called when OMX transitions to OMX_StateExecuting, which means
* we can start handing it buffers. If we already have buffers of data
* sitting in the BufferQueue, this will send them to the codec.
*/
void onOmxExecuting();
/**
* This is called when OMX transitions to OMX_StateIdle, indicating that
* the codec is meant to return all buffers back to the client for them
* to be freed. Do NOT submit any more buffers to the component.
*/
void onOmxIdle();
/**
* This is called when OMX transitions to OMX_StateLoaded, indicating that
* we are shutting down.
*/
void onOmxLoaded();
/**
* A "codec buffer", i.e. a buffer that can be used to pass data into
* the encoder, has been allocated.
*/
void onInputBufferAdded(int bufferID);
/**
* Called from OnEmptyBufferDone. If we have a BQ buffer available,
* fill it with a new frame of data; otherwise, just mark it as available.
*
* fenceParcel contains the fence's fd that the callee should wait on before
* using the buffer (or pass on to the user of the buffer, if the user supports
* fences). Callee takes ownership of the fence fd even if it fails.
*/
void onInputBufferEmptied(int bufferID, in OMXFenceParcelable fenceParcel);
}