1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "media/formats/webm/webm_video_client.h"
7 #include "media/base/video_decoder_config.h"
8 #include "media/formats/webm/webm_constants.h"
12 WebMVideoClient::WebMVideoClient(const LogCB& log_cb)
17 WebMVideoClient::~WebMVideoClient() {
20 void WebMVideoClient::Reset() {
33 bool WebMVideoClient::InitializeConfig(
34 const std::string& codec_id, const std::vector<uint8>& codec_private,
35 bool is_encrypted, VideoDecoderConfig* config) {
38 VideoCodec video_codec = kUnknownVideoCodec;
39 VideoCodecProfile profile = VIDEO_CODEC_PROFILE_UNKNOWN;
40 if (codec_id == "V_VP8") {
41 video_codec = kCodecVP8;
42 profile = VP8PROFILE_ANY;
43 } else if (codec_id == "V_VP9") {
44 video_codec = kCodecVP9;
45 profile = VP9PROFILE_ANY;
47 MEDIA_LOG(log_cb_) << "Unsupported video codec_id " << codec_id;
51 VideoFrame::Format format =
52 (alpha_mode_ == 1) ? VideoFrame::YV12A : VideoFrame::YV12;
54 if (pixel_width_ <= 0 || pixel_height_ <= 0)
57 // Set crop and display unit defaults if these elements are not present.
58 if (crop_bottom_ == -1)
67 if (crop_right_ == -1)
70 if (display_unit_ == -1)
73 gfx::Size coded_size(pixel_width_, pixel_height_);
74 gfx::Rect visible_rect(crop_top_, crop_left_,
75 pixel_width_ - (crop_left_ + crop_right_),
76 pixel_height_ - (crop_top_ + crop_bottom_));
77 if (display_unit_ == 0) {
78 if (display_width_ <= 0)
79 display_width_ = visible_rect.width();
80 if (display_height_ <= 0)
81 display_height_ = visible_rect.height();
82 } else if (display_unit_ == 3) {
83 if (display_width_ <= 0 || display_height_ <= 0)
86 MEDIA_LOG(log_cb_) << "Unsupported display unit type " << display_unit_;
89 gfx::Size natural_size = gfx::Size(display_width_, display_height_);
90 const uint8* extra_data = NULL;
91 size_t extra_data_size = 0;
92 if (codec_private.size() > 0) {
93 extra_data = &codec_private[0];
94 extra_data_size = codec_private.size();
98 video_codec, profile, format, coded_size, visible_rect, natural_size,
99 extra_data, extra_data_size, is_encrypted, true);
100 return config->IsValidConfig();
103 bool WebMVideoClient::OnUInt(int id, int64 val) {
107 case kWebMIdPixelWidth:
110 case kWebMIdPixelHeight:
111 dst = &pixel_height_;
113 case kWebMIdPixelCropTop:
116 case kWebMIdPixelCropBottom:
119 case kWebMIdPixelCropLeft:
122 case kWebMIdPixelCropRight:
125 case kWebMIdDisplayWidth:
126 dst = &display_width_;
128 case kWebMIdDisplayHeight:
129 dst = &display_height_;
131 case kWebMIdDisplayUnit:
132 dst = &display_unit_;
134 case kWebMIdAlphaMode:
142 MEDIA_LOG(log_cb_) << "Multiple values for id " << std::hex << id
143 << " specified (" << *dst << " and " << val << ")";
151 bool WebMVideoClient::OnBinary(int id, const uint8* data, int size) {
152 // Accept binary fields we don't care about for now.
156 bool WebMVideoClient::OnFloat(int id, double val) {
157 // Accept float fields we don't care about for now.