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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "video_engine/vie_renderer.h"
#include "common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/modules/video_render/include/video_render.h"
#include "webrtc/modules/video_render/include/video_render_defines.h"
#include "video_engine/vie_render_manager.h"
namespace webrtc {
ViERenderer* ViERenderer::CreateViERenderer(const WebRtc_Word32 render_id,
const WebRtc_Word32 engine_id,
VideoRender& render_module,
ViERenderManager& render_manager,
const WebRtc_UWord32 z_order,
const float left,
const float top,
const float right,
const float bottom) {
ViERenderer* self = new ViERenderer(render_id, engine_id, render_module,
render_manager);
if (!self || self->Init(z_order, left, top, right, bottom) != 0) {
delete self;
self = NULL;
}
return self;
}
ViERenderer::~ViERenderer(void) {
if (render_callback_)
render_module_.DeleteIncomingRenderStream(render_id_);
if (incoming_external_callback_)
delete incoming_external_callback_;
}
WebRtc_Word32 ViERenderer::StartRender() {
return render_module_.StartRender(render_id_);
}
WebRtc_Word32 ViERenderer::StopRender() {
return render_module_.StopRender(render_id_);
}
WebRtc_Word32 ViERenderer::GetLastRenderedFrame(const WebRtc_Word32 renderID,
I420VideoFrame& video_frame) {
return render_module_.GetLastRenderedFrame(renderID, video_frame);
}
int ViERenderer::SetExpectedRenderDelay(int render_delay) {
return render_module_.SetExpectedRenderDelay(render_id_, render_delay);
}
WebRtc_Word32 ViERenderer::ConfigureRenderer(const unsigned int z_order,
const float left,
const float top,
const float right,
const float bottom) {
return render_module_.ConfigureRenderer(render_id_, z_order, left, top, right,
bottom);
}
VideoRender& ViERenderer::RenderModule() {
return render_module_;
}
WebRtc_Word32 ViERenderer::EnableMirroring(const WebRtc_Word32 render_id,
const bool enable,
const bool mirror_xaxis,
const bool mirror_yaxis) {
return render_module_.MirrorRenderStream(render_id, enable, mirror_xaxis,
mirror_yaxis);
}
WebRtc_Word32 ViERenderer::SetTimeoutImage(const I420VideoFrame& timeout_image,
const WebRtc_Word32 timeout_value) {
return render_module_.SetTimeoutImage(render_id_, timeout_image,
timeout_value);
}
WebRtc_Word32 ViERenderer::SetRenderStartImage(
const I420VideoFrame& start_image) {
return render_module_.SetStartImage(render_id_, start_image);
}
WebRtc_Word32 ViERenderer::SetExternalRenderer(
const WebRtc_Word32 render_id,
RawVideoType video_input_format,
ExternalRenderer* external_renderer) {
if (!incoming_external_callback_)
return -1;
incoming_external_callback_->SetViEExternalRenderer(external_renderer,
video_input_format);
return render_module_.AddExternalRenderCallback(render_id,
incoming_external_callback_);
}
ViERenderer::ViERenderer(const WebRtc_Word32 render_id,
const WebRtc_Word32 engine_id,
VideoRender& render_module,
ViERenderManager& render_manager)
: render_id_(render_id),
render_module_(render_module),
render_manager_(render_manager),
render_callback_(NULL),
incoming_external_callback_(new ViEExternalRendererImpl()) {
}
WebRtc_Word32 ViERenderer::Init(const WebRtc_UWord32 z_order,
const float left,
const float top,
const float right,
const float bottom) {
render_callback_ =
static_cast<VideoRenderCallback*>(render_module_.AddIncomingRenderStream(
render_id_, z_order, left, top, right, bottom));
if (!render_callback_) {
// Logging done.
return -1;
}
return 0;
}
void ViERenderer::DeliverFrame(int id,
I420VideoFrame* video_frame,
int num_csrcs,
const WebRtc_UWord32 CSRC[kRtpCsrcSize]) {
render_callback_->RenderFrame(render_id_, *video_frame);
}
void ViERenderer::DelayChanged(int id, int frame_delay) {}
int ViERenderer::GetPreferedFrameSettings(int* width,
int* height,
int* frame_rate) {
return -1;
}
void ViERenderer::ProviderDestroyed(int id) {
// Remove the render stream since the provider is destroyed.
render_manager_.RemoveRenderStream(render_id_);
}
ViEExternalRendererImpl::ViEExternalRendererImpl()
: external_renderer_(NULL),
external_renderer_format_(kVideoUnknown),
external_renderer_width_(0),
external_renderer_height_(0),
converted_frame_(new VideoFrame()) {
}
int ViEExternalRendererImpl::SetViEExternalRenderer(
ExternalRenderer* external_renderer,
RawVideoType video_input_format) {
external_renderer_ = external_renderer;
external_renderer_format_ = video_input_format;
return 0;
}
WebRtc_Word32 ViEExternalRendererImpl::RenderFrame(
const WebRtc_UWord32 stream_id,
I420VideoFrame& video_frame) {
VideoFrame* out_frame = converted_frame_.get();
// Convert to requested format.
VideoType type =
RawVideoTypeToCommonVideoVideoType(external_renderer_format_);
int buffer_size = CalcBufferSize(type, video_frame.width(),
video_frame.height());
if (buffer_size <= 0) {
// Unsupported video format.
assert(false);
return -1;
}
converted_frame_->VerifyAndAllocate(buffer_size);
switch (external_renderer_format_) {
case kVideoI420: {
// TODO(mikhal): need to copy the buffer as is.
// can the output here be a I420 frame?
int length = ExtractBuffer(video_frame, out_frame->Size(),
out_frame->Buffer());
if (length < 0)
return -1;
out_frame->SetLength(length);
break;
}
case kVideoYV12:
case kVideoYUY2:
case kVideoUYVY:
case kVideoARGB:
case kVideoRGB24:
case kVideoRGB565:
case kVideoARGB4444:
case kVideoARGB1555 :
{
if (ConvertFromI420(video_frame, type, 0,
converted_frame_->Buffer()) < 0)
return -1;
converted_frame_->SetLength(buffer_size);
}
break;
case kVideoIYUV:
// no conversion available
break;
default:
assert(false);
out_frame = NULL;
break;
}
if (external_renderer_width_ != video_frame.width() ||
external_renderer_height_ != video_frame.height()) {
external_renderer_width_ = video_frame.width();
external_renderer_height_ = video_frame.height();
external_renderer_->FrameSizeChange(external_renderer_width_,
external_renderer_height_, stream_id);
}
if (out_frame) {
external_renderer_->DeliverFrame(out_frame->Buffer(),
out_frame->Length(),
video_frame.timestamp(),
video_frame.render_time_ms());
}
return 0;
}
} // namespace webrtc
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