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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "ppapi/cpp/video_encoder.h"
#include <stddef.h>
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_video_encoder.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
template <>
const char* interface_name<PPB_VideoEncoder_0_1>() {
return PPB_VIDEOENCODER_INTERFACE_0_1;
}
template <>
const char* interface_name<PPB_VideoEncoder_0_2>() {
return PPB_VIDEOENCODER_INTERFACE_0_2;
}
// This struct is used to adapt
// CompletionCallbackWithOutput<std::vector<PP_VideoProfileDescription>>
// to the pre-0.2 APIs, which return PP_VideoProfileDescription_0_1.
// This struct is allocated on the heap, and deleted in
// CallbackProfileDescriptionConverter.
struct CallbackProfileDescription_0_1 {
explicit CallbackProfileDescription_0_1(const CompletionCallbackWithOutput<
std::vector<PP_VideoProfileDescription> >& cc)
: output_profiles(&profiles),
original_output_profiles(cc.output()),
original_callback(cc.pp_completion_callback()) {}
std::vector<PP_VideoProfileDescription_0_1> profiles;
ArrayOutputAdapter<PP_VideoProfileDescription_0_1> output_profiles;
PP_ArrayOutput original_output_profiles;
PP_CompletionCallback original_callback;
};
// Converts data from a 0.1 style callback to 0.2 callback.
void CallbackProfileDescriptionConverter(void* user_data, int32_t result) {
CallbackProfileDescription_0_1* data =
static_cast<CallbackProfileDescription_0_1*>(user_data);
if (result >= 0) {
PP_VideoProfileDescription* original_profiles =
static_cast<PP_VideoProfileDescription*>(
data->original_output_profiles.GetDataBuffer(
data->original_output_profiles.user_data,
static_cast<uint32_t>(data->profiles.size()),
static_cast<uint32_t>(sizeof(PP_VideoProfileDescription))));
for (size_t i = 0; i < data->profiles.size(); i++) {
const PP_VideoProfileDescription_0_1& profile = data->profiles[i];
original_profiles[i].profile = profile.profile;
original_profiles[i].max_resolution = profile.max_resolution;
original_profiles[i].max_framerate_numerator =
profile.max_framerate_numerator;
original_profiles[i].max_framerate_denominator =
profile.max_framerate_denominator;
original_profiles[i].hardware_accelerated =
PP_FromBool(profile.acceleration == PP_HARDWAREACCELERATION_ONLY);
}
}
// Now execute the original callback.
PP_RunCompletionCallback(&data->original_callback, result);
delete data;
}
} // namespace
VideoEncoder::VideoEncoder() {}
VideoEncoder::VideoEncoder(const InstanceHandle& instance) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
PassRefFromConstructor(
get_interface<PPB_VideoEncoder_0_2>()->Create(instance.pp_instance()));
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
PassRefFromConstructor(
get_interface<PPB_VideoEncoder_0_1>()->Create(instance.pp_instance()));
}
}
VideoEncoder::VideoEncoder(const VideoEncoder& other) : Resource(other) {}
VideoEncoder& VideoEncoder::operator=(const VideoEncoder& other) {
Resource::operator=(other);
return *this;
}
int32_t VideoEncoder::GetSupportedProfiles(const CompletionCallbackWithOutput<
std::vector<PP_VideoProfileDescription> >& cc) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->GetSupportedProfiles(
pp_resource(), cc.output(), cc.pp_completion_callback());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
// Data for our callback wrapper. The callback handler will delete it.
CallbackProfileDescription_0_1* data =
new CallbackProfileDescription_0_1(cc);
return get_interface<PPB_VideoEncoder_0_1>()->GetSupportedProfiles(
pp_resource(), data->output_profiles.pp_array_output(),
PP_MakeCompletionCallback(&CallbackProfileDescriptionConverter, data));
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoEncoder::Initialize(const PP_VideoFrame_Format& input_format,
const Size& input_visible_size,
const PP_VideoProfile& output_profile,
const uint32_t initial_bitrate,
PP_HardwareAcceleration acceleration,
const CompletionCallback& cc) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->Initialize(
pp_resource(), input_format, &input_visible_size.pp_size(),
output_profile, initial_bitrate, acceleration,
cc.pp_completion_callback());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->Initialize(
pp_resource(), input_format, &input_visible_size.pp_size(),
output_profile, initial_bitrate, acceleration,
cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoEncoder::GetFramesRequired() {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->GetFramesRequired(
pp_resource());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->GetFramesRequired(
pp_resource());
}
return PP_ERROR_NOINTERFACE;
}
int32_t VideoEncoder::GetFrameCodedSize(Size* coded_size) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->GetFrameCodedSize(
pp_resource(), &coded_size->pp_size());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->GetFrameCodedSize(
pp_resource(), &coded_size->pp_size());
}
return PP_ERROR_NOINTERFACE;
}
int32_t VideoEncoder::GetVideoFrame(
const CompletionCallbackWithOutput<VideoFrame>& cc) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->GetVideoFrame(
pp_resource(), cc.output(), cc.pp_completion_callback());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->GetVideoFrame(
pp_resource(), cc.output(), cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoEncoder::Encode(const VideoFrame& video_frame,
bool force_keyframe,
const CompletionCallback& cc) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->Encode(
pp_resource(), video_frame.pp_resource(), PP_FromBool(force_keyframe),
cc.pp_completion_callback());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->Encode(
pp_resource(), video_frame.pp_resource(), PP_FromBool(force_keyframe),
cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t VideoEncoder::GetBitstreamBuffer(
const CompletionCallbackWithOutput<PP_BitstreamBuffer>& cc) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
return get_interface<PPB_VideoEncoder_0_2>()->GetBitstreamBuffer(
pp_resource(), cc.output(), cc.pp_completion_callback());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
return get_interface<PPB_VideoEncoder_0_1>()->GetBitstreamBuffer(
pp_resource(), cc.output(), cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
void VideoEncoder::RecycleBitstreamBuffer(
const PP_BitstreamBuffer& bitstream_buffer) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
get_interface<PPB_VideoEncoder_0_2>()->RecycleBitstreamBuffer(
pp_resource(), &bitstream_buffer);
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
get_interface<PPB_VideoEncoder_0_1>()->RecycleBitstreamBuffer(
pp_resource(), &bitstream_buffer);
}
}
void VideoEncoder::RequestEncodingParametersChange(uint32_t bitrate,
uint32_t framerate) {
if (has_interface<PPB_VideoEncoder_0_2>()) {
get_interface<PPB_VideoEncoder_0_2>()->RequestEncodingParametersChange(
pp_resource(), bitrate, framerate);
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
get_interface<PPB_VideoEncoder_0_1>()->RequestEncodingParametersChange(
pp_resource(), bitrate, framerate);
}
}
void VideoEncoder::Close() {
if (has_interface<PPB_VideoEncoder_0_2>()) {
get_interface<PPB_VideoEncoder_0_2>()->Close(pp_resource());
} else if (has_interface<PPB_VideoEncoder_0_1>()) {
get_interface<PPB_VideoEncoder_0_1>()->Close(pp_resource());
}
}
} // namespace pp
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