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// Copyright 2016 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/ipc/media_param_traits.h"
#include "base/strings/stringprintf.h"
#include "ipc/ipc_message_utils.h"
#include "media/base/audio_parameters.h"
#include "media/base/audio_point.h"
#include "media/base/encryption_pattern.h"
#include "media/base/encryption_scheme.h"
#include "media/base/limits.h"
#include "ui/gfx/ipc/geometry/gfx_param_traits.h"
#include "ui/gfx/ipc/gfx_param_traits.h"
using media::AudioParameters;
using media::AudioLatency;
using media::ChannelLayout;
namespace IPC {
void ParamTraits<AudioParameters>::Write(base::Pickle* m,
const AudioParameters& p) {
WriteParam(m, p.format());
WriteParam(m, p.channel_layout());
WriteParam(m, p.sample_rate());
WriteParam(m, p.frames_per_buffer());
WriteParam(m, p.channels());
WriteParam(m, p.effects());
WriteParam(m, p.mic_positions());
WriteParam(m, p.latency_tag());
WriteParam(m, p.hardware_capabilities());
}
bool ParamTraits<AudioParameters>::Read(const base::Pickle* m,
base::PickleIterator* iter,
AudioParameters* r) {
AudioParameters::Format format;
ChannelLayout channel_layout;
int sample_rate, frames_per_buffer, channels, effects;
std::vector<media::Point> mic_positions;
AudioLatency::LatencyType latency_tag;
base::Optional<media::AudioParameters::HardwareCapabilities>
hardware_capabilities;
if (!ReadParam(m, iter, &format) || !ReadParam(m, iter, &channel_layout) ||
!ReadParam(m, iter, &sample_rate) ||
!ReadParam(m, iter, &frames_per_buffer) ||
!ReadParam(m, iter, &channels) || !ReadParam(m, iter, &effects) ||
!ReadParam(m, iter, &mic_positions) ||
!ReadParam(m, iter, &latency_tag) ||
!ReadParam(m, iter, &hardware_capabilities)) {
return false;
}
if (hardware_capabilities) {
*r = AudioParameters(format, channel_layout, sample_rate, frames_per_buffer,
*hardware_capabilities);
} else {
*r =
AudioParameters(format, channel_layout, sample_rate, frames_per_buffer);
}
r->set_channels_for_discrete(channels);
r->set_effects(effects);
r->set_mic_positions(mic_positions);
r->set_latency_tag(latency_tag);
return r->IsValid();
}
void ParamTraits<AudioParameters>::Log(const AudioParameters& p,
std::string* l) {
l->append(base::StringPrintf("<AudioParameters>"));
}
void ParamTraits<AudioParameters::HardwareCapabilities>::Write(
base::Pickle* m,
const param_type& p) {
WriteParam(m, p.min_frames_per_buffer);
WriteParam(m, p.max_frames_per_buffer);
}
bool ParamTraits<AudioParameters::HardwareCapabilities>::Read(
const base::Pickle* m,
base::PickleIterator* iter,
param_type* r) {
int max_frames_per_buffer, min_frames_per_buffer;
if (!ReadParam(m, iter, &min_frames_per_buffer) ||
!ReadParam(m, iter, &max_frames_per_buffer)) {
return false;
}
r->min_frames_per_buffer = min_frames_per_buffer;
r->max_frames_per_buffer = max_frames_per_buffer;
return true;
}
void ParamTraits<AudioParameters::HardwareCapabilities>::Log(
const param_type& p,
std::string* l) {
l->append(base::StringPrintf("<AudioParameters::HardwareCapabilities>"));
}
template <>
struct ParamTraits<media::EncryptionPattern> {
typedef media::EncryptionPattern 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::EncryptionPattern>::Write(base::Pickle* m,
const param_type& p) {
WriteParam(m, p.crypt_byte_block());
WriteParam(m, p.skip_byte_block());
}
bool ParamTraits<media::EncryptionPattern>::Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* r) {
uint32_t crypt_byte_block, skip_byte_block;
if (!ReadParam(m, iter, &crypt_byte_block) ||
!ReadParam(m, iter, &skip_byte_block)) {
return false;
}
*r = media::EncryptionPattern(crypt_byte_block, skip_byte_block);
return true;
}
void ParamTraits<media::EncryptionPattern>::Log(const param_type& p,
std::string* l) {
l->append(base::StringPrintf("<EncryptionPattern>"));
}
} // namespace IPC
// Generate param traits write methods.
#include "ipc/param_traits_write_macros.h"
namespace IPC {
#undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
#include "media/base/ipc/media_param_traits_macros.h"
} // namespace IPC
// Generate param traits read methods.
#include "ipc/param_traits_read_macros.h"
namespace IPC {
#undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
#include "media/base/ipc/media_param_traits_macros.h"
} // namespace IPC
// Generate param traits log methods.
#include "ipc/param_traits_log_macros.h"
namespace IPC {
#undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
#include "media/base/ipc/media_param_traits_macros.h"
} // namespace IPC
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