media-codec-decoder.cpp

/*
 * Copyright (c) 2010-2019 Belledonne Communications SARL.
 *
 * This file is part of mediastreamer2.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */


#include "android_mediacodec.h"

#include "media-codec-decoder.h"

using namespace mediastreamer;
using namespace std;

namespace mediastreamer {

MediaCodecDecoder::MediaCodecDecoder(const std::string &mime): H26xDecoder(mime) {
	try {
		_impl = AMediaCodec_createDecoderByType(mime.c_str());
		if (_impl == nullptr) {
			ostringstream msg;
			msg << "could not create MediaCodec for '" << mime << "'";
			throw runtime_error(msg.str());
		}
		_format = createFormat(mime);
		_bufAllocator = ms_yuv_buf_allocator_new();
		_naluHeader.reset(H26xToolFactory::get(mime).createNaluHeader());
		_psStore.reset(H26xToolFactory::get(mime).createParameterSetsStore());
		startImpl();
	} catch (const runtime_error &e) {
		ms_error("MediaCodecDecoder: %s. Dumping decoding context", e.what());
		if (_impl) AMediaCodec_delete(_impl);
		_impl = nullptr;
	}
}

MediaCodecDecoder::~MediaCodecDecoder() {
	if (_impl) AMediaCodec_delete(_impl);
	if (_format) AMediaFormat_delete(_format);
	if (_bufAllocator) ms_yuv_buf_allocator_free(_bufAllocator);
}

bool MediaCodecDecoder::setParameterSets(MSQueue *parameterSets, uint64_t timestamp) {
	if (!feed(parameterSets, timestamp, true)) {
		ms_error("MediaCodecDecoder: parameter sets has been refused by the decoder.");
		return false;
	}
	_needParameters = false;
	return true;
}

bool MediaCodecDecoder::feed(MSQueue *encodedFrame, uint64_t timestamp) {
	bool status = false;

	if (_impl == nullptr) {
		ms_queue_flush(encodedFrame);
		return true;