Add 'cbcs' encryption scheme support in Android media.

chromecast/common/media/cma_param_traits.cc

 // Copyright 2014 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 "chromecast/common/media/cma_param_traits.h"
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "chromecast/common/media/cma_param_traits_macros.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/audio_decoder_config.h"
-#include "media/base/encryption_scheme.h"
+#include "media/base/ipc/media_param_traits.h"
 #include "media/base/video_decoder_config.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
 
-// Note(slan): These are defined in the following headers:
+// Note(slan): This is defined in the following header:
 //   media/gpu/ipc/common/media_param_traits_macros.h
-//   content/common/media/audio_messages.h
-// but including these headers is not correct, so forward declare them here.
-// Their existing implementations in content/ and media/ should be linked in.
+// but including this header is not correct, so forward declare them here.
+// The existing implementation in media/ should be linked in.
 // This hack will not be necessary with Mojo.
-IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::ChannelLayout,
-                              media::ChannelLayout::CHANNEL_LAYOUT_NONE,
-                              media::ChannelLayout::CHANNEL_LAYOUT_MAX)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
                               media::VIDEO_CODEC_PROFILE_MIN,
                               media::VIDEO_CODEC_PROFILE_MAX)
-IPC_ENUM_TRAITS_MAX_VALUE(media::VideoPixelFormat, media::PIXEL_FORMAT_MAX)
 
 namespace IPC {
 
-template <>
-struct ParamTraits<media::EncryptionScheme::Pattern> {
-  typedef media::EncryptionScheme::Pattern param_type;
-  static void Write(base::Pickle* m, const param_type& p);
-  static bool Read(const base::Pickle* m, base::PickleIterator* iter,
-                   param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-
 void ParamTraits<media::AudioDecoderConfig>::Write(
     base::Pickle* m,
     const media::AudioDecoderConfig& p) {
   WriteParam(m, p.codec());
   WriteParam(m, p.sample_format());
   WriteParam(m, p.channel_layout());
   WriteParam(m, p.samples_per_second());
   WriteParam(m, p.encryption_scheme());
   WriteParam(m, p.extra_data());
 }
@@ skipping 63 matching lines @@
                                  coded_size, visible_rect, natural_size,
                                  extra_data, encryption_scheme);
   return true;
 }
 
 void ParamTraits<media::VideoDecoderConfig>::Log(
     const media::VideoDecoderConfig& p, std::string* l) {
   l->append(base::StringPrintf("<VideoDecoderConfig>"));
 }
 
-void ParamTraits<media::EncryptionScheme>::Write(
-    base::Pickle* m, const param_type& p) {
-  WriteParam(m, p.mode());
-  WriteParam(m, p.pattern());
-}
-
-bool ParamTraits<media::EncryptionScheme>::Read(
-    const base::Pickle* m, base::PickleIterator* iter, param_type* r) {
-  media::EncryptionScheme::CipherMode mode;
-  media::EncryptionScheme::Pattern pattern;
-  if (!ReadParam(m, iter, &mode) || !ReadParam(m, iter, &pattern))
-    return false;
-  *r = media::EncryptionScheme(mode, pattern);
-  return true;
-}
-
-void ParamTraits<media::EncryptionScheme>::Log(
-    const param_type& p, std::string* l) {
-  l->append(base::StringPrintf("<EncryptionScheme>"));
-}
-
-void ParamTraits<media::EncryptionScheme::Pattern>::Write(
-    base::Pickle* m, const param_type& p) {
-  WriteParam(m, p.encrypt_blocks());
-  WriteParam(m, p.skip_blocks());
-}
-
-bool ParamTraits<media::EncryptionScheme::Pattern>::Read(
-    const base::Pickle* m, base::PickleIterator* iter, param_type* r) {
-  uint32_t encrypt_blocks, skip_blocks;
-  if (!ReadParam(m, iter, &encrypt_blocks) || !ReadParam(m, iter, &skip_blocks))
-    return false;
-  *r = media::EncryptionScheme::Pattern(encrypt_blocks, skip_blocks);
-  return true;
-}
-
-void ParamTraits<media::EncryptionScheme::Pattern>::Log(
-    const param_type& p, std::string* l) {
-  l->append(base::StringPrintf("<Pattern>"));
-}
-
 }  // namespace IPC