Remove mock_ffmpeg and update media unittests.

media/base/mock_ffmpeg.cc

-// Copyright (c) 2011 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) {
-  CHECK(instance_ == NULL) << "Only a single MockFFmpeg instance can exist";
-  instance_ = this;
-
-  // 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, AVRegisterProtocol2(_,_))
-        .Times(AtMost(1))
-        .WillOnce(DoAll(SaveArg<0>(&protocol_), Return(0)));
-    EXPECT_CALL(*this, AVRegisterAll())
-        .Times(AtMost(1))
-        .WillOnce(Return());
-  }
-}
-
-MockFFmpeg::~MockFFmpeg() {
-  CHECK(!outstanding_packets_)
-      << "MockFFmpeg destroyed with outstanding packets";
-  CHECK(instance_);
-  instance_ = NULL;
-}
-
-void MockFFmpeg::inc_outstanding_packets() {
-  ++outstanding_packets_;
-}
-
-void MockFFmpeg::dec_outstanding_packets() {
-  CHECK(outstanding_packets_ > 0);
-  --outstanding_packets_;
-}
-
-// 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() {
-  MockFFmpeg::get()->AVCodecInit();
-}
-
-int av_register_protocol2(URLProtocol* protocol, int size) {
-  return MockFFmpeg::get()->AVRegisterProtocol2(protocol, size);
-}
-
-void av_register_all() {
-  MockFFmpeg::get()->AVRegisterAll();
-}
-
-int av_lockmgr_register(int (*cb)(void**, enum AVLockOp)) {
-  // Here |mock| may be NULL when this function is called from ~FFmpegGlue().
-  if (MockFFmpeg::get()) {
-    return MockFFmpeg::get()->AVRegisterLockManager(cb);
-  }
-  return 0;
-}
-
-AVCodec* avcodec_find_decoder(enum CodecID id) {
-  return MockFFmpeg::get()->AVCodecFindDecoder(id);
-}
-
-int avcodec_open(AVCodecContext* avctx, AVCodec* codec) {
-  return MockFFmpeg::get()->AVCodecOpen(avctx, codec);
-}
-
-int avcodec_close(AVCodecContext* avctx) {
-  return MockFFmpeg::get()->AVCodecClose(avctx);
-}
-
-void avcodec_flush_buffers(AVCodecContext* avctx) {
-  return MockFFmpeg::get()->AVCodecFlushBuffers(avctx);
-}
-
-AVCodecContext* avcodec_alloc_context() {
-  return MockFFmpeg::get()->AVCodecAllocContext();
-}
-
-AVFrame* avcodec_alloc_frame() {
-  return MockFFmpeg::get()->AVCodecAllocFrame();
-}
-
-int avcodec_decode_video2(AVCodecContext* avctx, AVFrame* picture,
-                          int* got_picture_ptr, AVPacket* avpkt) {
-  return MockFFmpeg::get()->
-      AVCodecDecodeVideo2(avctx, picture, got_picture_ptr, avpkt);
-}
-
-AVBitStreamFilterContext* av_bitstream_filter_init(const char* name) {
-  return 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 MockFFmpeg::get()->
-      AVBitstreamFilterFilter(bsfc, avctx, args, poutbuf, poutbuf_size, buf,
-                              buf_size, keyframe);
-}
-
-void av_bitstream_filter_close(AVBitStreamFilterContext* bsf) {
-  return MockFFmpeg::get()->AVBitstreamFilterClose(bsf);
-}
-
-int av_open_input_file(AVFormatContext** format, const char* filename,
-                       AVInputFormat* input_format, int buffer_size,
-                       AVFormatParameters* parameters) {
-  return MockFFmpeg::get()->AVOpenInputFile(format, filename,
-                                            input_format, buffer_size,
-                                            parameters);
-}
-
-void av_close_input_file(AVFormatContext* format) {
-  MockFFmpeg::get()->AVCloseInputFile(format);
-}
-
-int av_find_stream_info(AVFormatContext* format) {
-  return 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;
-
-  // Rescale a by num/den. The den / 2 is for rounding.
-  return (a * num + den / 2) / den;
-}
-
-int av_read_frame(AVFormatContext* format, AVPacket* packet) {
-  return MockFFmpeg::get()->AVReadFrame(format, packet);
-}
-
-int av_seek_frame(AVFormatContext *format, int stream_index, int64_t timestamp,
-                  int flags) {
-  return MockFFmpeg::get()->AVSeekFrame(format, stream_index, timestamp,
-                                        flags);
-}
-
-void av_init_packet(AVPacket* pkt) {
-  return MockFFmpeg::get()->AVInitPacket(pkt);
-}
-
-int av_new_packet(AVPacket* packet, int size) {
-  return MockFFmpeg::get()->AVNewPacket(packet, size);
-}
-
-void av_free_packet(AVPacket* packet) {
-  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) {
-    MockFFmpeg::get()->AVFree(ptr);
-  }
-}
-
-int av_dup_packet(AVPacket* packet) {
-  return MockFFmpeg::get()->AVDupPacket(packet);
-}
-
-void av_log_set_level(int level) {
-  MockFFmpeg::get()->AVLogSetLevel(level);
-}
-
-void av_destruct_packet(AVPacket *pkt) {
-  MockFFmpeg::get()->AVDestructPacket(pkt);
-}
-
-}  // extern "C"
-
-}  // namespace media