blob: c478c0a74daff6f3f487c6d43f02c9e243e9eee0 [file] [log] [blame]
/*
* Copyright (c) 2011 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 "webrtc/media/engine/webrtcvideoframe.h"
#include "libyuv/convert.h"
#include "webrtc/base/logging.h"
#include "webrtc/media/base/videocapturer.h"
#include "webrtc/media/base/videocommon.h"
#include "webrtc/video_frame.h"
namespace cricket {
WebRtcVideoFrame::WebRtcVideoFrame()
: timestamp_us_(0), rotation_(webrtc::kVideoRotation_0) {}
WebRtcVideoFrame::WebRtcVideoFrame(
const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
webrtc::VideoRotation rotation,
int64_t timestamp_us,
uint32_t transport_frame_id)
: video_frame_buffer_(buffer),
timestamp_us_(timestamp_us),
transport_frame_id_(transport_frame_id),
rotation_(rotation) {}
WebRtcVideoFrame::WebRtcVideoFrame(
const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
webrtc::VideoRotation rotation,
int64_t timestamp_us)
: WebRtcVideoFrame(buffer, rotation, timestamp_us, 0) {};
WebRtcVideoFrame::WebRtcVideoFrame(
const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
int64_t time_stamp_ns,
webrtc::VideoRotation rotation)
: WebRtcVideoFrame(buffer,
rotation,
time_stamp_ns / rtc::kNumNanosecsPerMicrosec,
0) {}
WebRtcVideoFrame::~WebRtcVideoFrame() {}
bool WebRtcVideoFrame::Init(uint32_t format,
int w,
int h,
int dw,
int dh,
uint8_t* sample,
size_t sample_size,
int64_t time_stamp_ns,
webrtc::VideoRotation rotation) {
return Reset(format, w, h, dw, dh, sample, sample_size,
time_stamp_ns / rtc::kNumNanosecsPerMicrosec, rotation,
true /*apply_rotation*/);
}
int WebRtcVideoFrame::width() const {
return video_frame_buffer_ ? video_frame_buffer_->width() : 0;
}
int WebRtcVideoFrame::height() const {
return video_frame_buffer_ ? video_frame_buffer_->height() : 0;
}
const rtc::scoped_refptr<webrtc::VideoFrameBuffer>&
WebRtcVideoFrame::video_frame_buffer() const {
return video_frame_buffer_;
}
uint32_t WebRtcVideoFrame::transport_frame_id() const {
return transport_frame_id_;
}
int64_t WebRtcVideoFrame::timestamp_us() const {
return timestamp_us_;
}
void WebRtcVideoFrame::set_timestamp_us(int64_t time_us) {
timestamp_us_ = time_us;
}
webrtc::VideoRotation WebRtcVideoFrame::rotation() const {
return rotation_;
}
bool WebRtcVideoFrame::Reset(uint32_t format,
int w,
int h,
int dw,
int dh,
uint8_t* sample,
size_t sample_size,
int64_t timestamp_us,
webrtc::VideoRotation rotation,
bool apply_rotation) {
if (!Validate(format, w, h, sample, sample_size)) {
return false;
}
// Translate aliases to standard enums (e.g., IYUV -> I420).
format = CanonicalFourCC(format);
// Set up a new buffer.
// TODO(fbarchard): Support lazy allocation.
int new_width = dw;
int new_height = dh;
// If rotated swap width, height.
if (apply_rotation && (rotation == 90 || rotation == 270)) {
new_width = dh;
new_height = dw;
}
rtc::scoped_refptr<webrtc::I420Buffer> buffer =
webrtc::I420Buffer::Create(new_width, new_height);
video_frame_buffer_ = buffer;
rotation_ = apply_rotation ? webrtc::kVideoRotation_0 : rotation;
int horiz_crop = ((w - dw) / 2) & ~1;
// ARGB on Windows has negative height.
// The sample's layout in memory is normal, so just correct crop.
int vert_crop = ((abs(h) - dh) / 2) & ~1;
// Conversion functions expect negative height to flip the image.
int idh = (h < 0) ? -dh : dh;
int r = libyuv::ConvertToI420(
sample, sample_size,
buffer->MutableDataY(), buffer->StrideY(),
buffer->MutableDataU(), buffer->StrideU(),
buffer->MutableDataV(), buffer->StrideV(),
horiz_crop, vert_crop, w, h, dw, idh,
static_cast<libyuv::RotationMode>(
apply_rotation ? rotation : webrtc::kVideoRotation_0),
format);
if (r) {
LOG(LS_ERROR) << "Error parsing format: " << GetFourccName(format)
<< " return code : " << r;
return false;
}
timestamp_us_ = timestamp_us;
return true;
}
void WebRtcVideoFrame::InitToEmptyBuffer(int w, int h) {
video_frame_buffer_ = webrtc::I420Buffer::Create(w, h);
rotation_ = webrtc::kVideoRotation_0;
}
} // namespace cricket