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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/mock_ffmpeg.h"
#include "base/logging.h"
#include "media/filters/ffmpeg_common.h"
namespace media {
MockFFmpeg* MockFFmpeg::instance_ = NULL;
MockFFmpeg::MockFFmpeg()
: outstanding_packets_(0) {
}
MockFFmpeg::~MockFFmpeg() {
CHECK(!outstanding_packets_)
<< "MockFFmpeg destroyed with outstanding packets";
}
void MockFFmpeg::inc_outstanding_packets() {
++outstanding_packets_;
}
void MockFFmpeg::dec_outstanding_packets() {
CHECK(outstanding_packets_ > 0);
--outstanding_packets_;
}
// static
void MockFFmpeg::set(MockFFmpeg* instance) {
instance_ = instance;
}
// static
MockFFmpeg* MockFFmpeg::get() {
return instance_;
}
// static
void MockFFmpeg::DestructPacket(AVPacket* packet) {
delete [] packet->data;
packet->data = NULL;
packet->size = 0;
}
// FFmpeg stubs that delegate to the FFmpegMock instance.
extern "C" {
AVCodec* avcodec_find_decoder(enum CodecID id) {
return media::MockFFmpeg::get()->AVCodecFindDecoder(id);
}
int avcodec_open(AVCodecContext* avctx, AVCodec* codec) {
return media::MockFFmpeg::get()->AVCodecOpen(avctx, codec);
}
int avcodec_thread_init(AVCodecContext* avctx, int threads) {
return media::MockFFmpeg::get()->AVCodecThreadInit(avctx, threads);
}
void avcodec_flush_buffers(AVCodecContext* avctx) {
return media::MockFFmpeg::get()->AVCodecFlushBuffers(avctx);
}
AVFrame* avcodec_alloc_frame() {
return media::MockFFmpeg::get()->AVCodecAllocFrame();
}
int avcodec_decode_video2(AVCodecContext* avctx, AVFrame* picture,
int* got_picture_ptr, AVPacket* avpkt) {
return media::MockFFmpeg::get()->
AVCodecDecodeVideo2(avctx, picture, got_picture_ptr, avpkt);
}
int av_open_input_file(AVFormatContext** format, const char* filename,
AVInputFormat* input_format, int buffer_size,
AVFormatParameters* parameters) {
return media::MockFFmpeg::get()->AVOpenInputFile(format, filename,
input_format, buffer_size,
parameters);
}
int av_find_stream_info(AVFormatContext* format) {
return media::MockFFmpeg::get()->AVFindStreamInfo(format);
}
int64 av_rescale_q(int64 a, AVRational bq, AVRational cq) {
// Because this is a math function there's little point in mocking it, so we
// implement a cheap version that's capable of overflowing.
int64 num = bq.num * cq.den;
int64 den = cq.num * bq.den;
return a * num / den;
}
int av_read_frame(AVFormatContext* format, AVPacket* packet) {
return media::MockFFmpeg::get()->AVReadFrame(format, packet);
}
int av_seek_frame(AVFormatContext *format, int stream_index, int64_t timestamp,
int flags) {
return media::MockFFmpeg::get()->AVSeekFrame(format, stream_index, timestamp,
flags);
}
void av_init_packet(AVPacket* pkt) {
return media::MockFFmpeg::get()->AVInitPacket(pkt);
}
int av_new_packet(AVPacket* packet, int size) {
return media::MockFFmpeg::get()->AVNewPacket(packet, size);
}
void av_free_packet(AVPacket* packet) {
media::MockFFmpeg::get()->AVFreePacket(packet);
}
void av_free(void* ptr) {
// Freeing NULL pointers are valid, but they aren't interesting from a mock
// perspective.
if (ptr) {
media::MockFFmpeg::get()->AVFree(ptr);
}
}
} // extern "C"
} // namespace media
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