123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165 |
- // 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;
- absl::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);
- WriteParam(m, p.bitstream_formats);
- }
- bool ParamTraits<AudioParameters::HardwareCapabilities>::Read(
- const base::Pickle* m,
- base::PickleIterator* iter,
- param_type* r) {
- int bitstream_formats;
- int max_frames_per_buffer;
- int min_frames_per_buffer;
- if (!ReadParam(m, iter, &min_frames_per_buffer) ||
- !ReadParam(m, iter, &max_frames_per_buffer) ||
- !ReadParam(m, iter, &bitstream_formats)) {
- return false;
- }
- r->min_frames_per_buffer = min_frames_per_buffer;
- r->max_frames_per_buffer = max_frames_per_buffer;
- r->bitstream_formats = bitstream_formats;
- 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
|