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// Copyright (c) 2012 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/video_decoder_config.h"
#include "base/logging.h"
#include "media/base/video_frame.h"
namespace media {
VideoCodec VideoCodecProfileToVideoCodec(VideoCodecProfile profile) {
switch (profile) {
case VIDEO_CODEC_PROFILE_UNKNOWN:
return kUnknownVideoCodec;
case H264PROFILE_BASELINE:
case H264PROFILE_MAIN:
case H264PROFILE_EXTENDED:
case H264PROFILE_HIGH:
case H264PROFILE_HIGH10PROFILE:
case H264PROFILE_HIGH422PROFILE:
case H264PROFILE_HIGH444PREDICTIVEPROFILE:
case H264PROFILE_SCALABLEBASELINE:
case H264PROFILE_SCALABLEHIGH:
case H264PROFILE_STEREOHIGH:
case H264PROFILE_MULTIVIEWHIGH:
return kCodecH264;
case VP8PROFILE_ANY:
return kCodecVP8;
case VP9PROFILE_ANY:
return kCodecVP9;
}
NOTREACHED();
return kUnknownVideoCodec;
}
VideoDecoderConfig::VideoDecoderConfig()
: codec_(kUnknownVideoCodec),
profile_(VIDEO_CODEC_PROFILE_UNKNOWN),
format_(PIXEL_FORMAT_UNKNOWN),
is_encrypted_(false) {
}
VideoDecoderConfig::VideoDecoderConfig(VideoCodec codec,
VideoCodecProfile profile,
VideoPixelFormat format,
ColorSpace color_space,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
const uint8* extra_data,
size_t extra_data_size,
bool is_encrypted) {
Initialize(codec, profile, format, color_space, coded_size, visible_rect,
natural_size, extra_data, extra_data_size, is_encrypted);
}
VideoDecoderConfig::~VideoDecoderConfig() {}
void VideoDecoderConfig::Initialize(VideoCodec codec,
VideoCodecProfile profile,
VideoPixelFormat format,
ColorSpace color_space,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
const uint8* extra_data,
size_t extra_data_size,
bool is_encrypted) {
CHECK((extra_data_size != 0) == (extra_data != NULL));
codec_ = codec;
profile_ = profile;
format_ = format;
color_space_ = color_space;
coded_size_ = coded_size;
visible_rect_ = visible_rect;
natural_size_ = natural_size;
extra_data_.assign(extra_data, extra_data + extra_data_size);
is_encrypted_ = is_encrypted;
}
bool VideoDecoderConfig::IsValidConfig() const {
return codec_ != kUnknownVideoCodec &&
natural_size_.width() > 0 &&
natural_size_.height() > 0 &&
VideoFrame::IsValidConfig(format_, VideoFrame::STORAGE_UNOWNED_MEMORY,
coded_size_, visible_rect_, natural_size_);
}
bool VideoDecoderConfig::Matches(const VideoDecoderConfig& config) const {
return ((codec() == config.codec()) &&
(format() == config.format()) &&
(profile() == config.profile()) &&
(coded_size() == config.coded_size()) &&
(visible_rect() == config.visible_rect()) &&
(natural_size() == config.natural_size()) &&
(extra_data_size() == config.extra_data_size()) &&
(!extra_data() || !memcmp(extra_data(), config.extra_data(),
extra_data_size())) &&
(is_encrypted() == config.is_encrypted()));
}
std::string VideoDecoderConfig::AsHumanReadableString() const {
std::ostringstream s;
s << "codec: " << GetHumanReadableCodecName()
<< " format: " << format()
<< " profile: " << profile()
<< " coded size: [" << coded_size().width()
<< "," << coded_size().height() << "]"
<< " visible rect: [" << visible_rect().x()
<< "," << visible_rect().y()
<< "," << visible_rect().width()
<< "," << visible_rect().height() << "]"
<< " natural size: [" << natural_size().width()
<< "," << natural_size().height() << "]"
<< " has extra data? " << (extra_data() ? "true" : "false")
<< " encrypted? " << (is_encrypted() ? "true" : "false");
return s.str();
}
// The names come from src/third_party/ffmpeg/libavcodec/codec_desc.c
std::string VideoDecoderConfig::GetHumanReadableCodecName() const {
switch (codec()) {
case kUnknownVideoCodec:
return "unknown";
case kCodecH264:
return "h264";
case kCodecHEVC:
return "hevc";
case kCodecVC1:
return "vc1";
case kCodecMPEG2:
return "mpeg2video";
case kCodecMPEG4:
return "mpeg4";
case kCodecTheora:
return "theora";
case kCodecVP8:
return "vp8";
case kCodecVP9:
return "vp9";
}
NOTREACHED();
return "";
}
const uint8* VideoDecoderConfig::extra_data() const {
if (extra_data_.empty())
return NULL;
return &extra_data_[0];
}
} // namespace media
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