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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/ffmpeg/ffmpeg_common.h"
using ::testing::_;
using ::testing::AtMost;
using ::testing::DoAll;
using ::testing::Return;
using ::testing::SaveArg;
namespace media {
MockFFmpeg* MockFFmpeg::instance_ = NULL;
URLProtocol* MockFFmpeg::protocol_ = NULL;
MockFFmpeg::MockFFmpeg()
: outstanding_packets_(0) {
// If we haven't assigned our static copy of URLProtocol, set up expectations
// to catch the URLProtocol registered when the singleton instance of
// FFmpegGlue is created.
//
// TODO(scherkus): this feels gross and I need to think of a way to better
// inject/mock singletons.
if (!protocol_) {
EXPECT_CALL(*this, AVLogSetLevel(AV_LOG_QUIET))
.Times(AtMost(1))
.WillOnce(Return());
EXPECT_CALL(*this, AVCodecInit())
.Times(AtMost(1))
.WillOnce(Return());
EXPECT_CALL(*this, AVRegisterProtocol(_))
.Times(AtMost(1))
.WillOnce(DoAll(SaveArg<0>(&protocol_), Return(0)));
EXPECT_CALL(*this, AVRegisterAll())
.Times(AtMost(1))
.WillOnce(Return());
}
// av_lockmgr_register() is also called from ~FFmpegLock(), so we expect
// it to be called at the end.
EXPECT_CALL(*this, AVRegisterLockManager(_))
.Times(AtMost(2))
.WillRepeatedly(Return(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
URLProtocol* MockFFmpeg::protocol() {
return protocol_;
}
// 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" {
void avcodec_init() {
media::MockFFmpeg::get()->AVCodecInit();
}
int av_register_protocol(URLProtocol* protocol) {
return media::MockFFmpeg::get()->AVRegisterProtocol(protocol);
}
void av_register_all() {
media::MockFFmpeg::get()->AVRegisterAll();
}
int av_lockmgr_register(int (*cb)(void**, enum AVLockOp)) {
media::MockFFmpeg* mock = media::MockFFmpeg::get();
// Here |mock| may be NULL when this function is called from ~FFmpegGlue().
if (mock != NULL) {
return mock->AVRegisterLockManager(cb);
} else {
return 0;
}
}
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_close(AVCodecContext* avctx) {
return media::MockFFmpeg::get()->AVCodecClose(avctx);
}
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);
}
AVBitStreamFilterContext* av_bitstream_filter_init(const char* name) {
return media::MockFFmpeg::get()->AVBitstreamFilterInit(name);
}
int av_bitstream_filter_filter(AVBitStreamFilterContext* bsfc,
AVCodecContext* avctx,
const char* args,
uint8_t** poutbuf,
int* poutbuf_size,
const uint8_t* buf,
int buf_size,
int keyframe) {
return media::MockFFmpeg::get()->
AVBitstreamFilterFilter(bsfc, avctx, args, poutbuf, poutbuf_size, buf,
buf_size, keyframe);
}
void av_bitstream_filter_close(AVBitStreamFilterContext* bsf) {
return media::MockFFmpeg::get()->AVBitstreamFilterClose(bsf);
}
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);
}
void av_close_input_file(AVFormatContext* format) {
media::MockFFmpeg::get()->AVCloseInputFile(format);
}
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);
}
}
int av_dup_packet(AVPacket* packet) {
return media::MockFFmpeg::get()->AVDupPacket(packet);
}
void av_log_set_level(int level) {
media::MockFFmpeg::get()->AVLogSetLevel(level);
}
void av_destruct_packet(AVPacket *pkt) {
media::MockFFmpeg::get()->AVDestructPacket(pkt);
}
} // extern "C"
} // namespace media
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