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Setting correct stride for VP8 encoder

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BUG=1137

Review URL: https://webrtc-codereview.appspot.com/929024

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3140 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org 2012-11-21 00:15:19 +00:00
parent 32b3f40b6c
commit 3263a7a616
2 changed files with 16 additions and 13 deletions
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26
webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
View File

@ -346,7 +346,7 @@ int VP8EncoderImpl::Encode(const I420VideoFrame& input_image,
// Check for change in frame size.
if (input_image.width() != codec_.width ||
input_image.height() != codec_.height) {
int ret = UpdateCodecFrameSize(input_image.width(), input_image.height());
int ret = UpdateCodecFrameSize(input_image);
if (ret < 0) {
return ret;
}
@ -356,6 +356,10 @@ int VP8EncoderImpl::Encode(const I420VideoFrame& input_image,
raw_->planes[PLANE_Y] = const_cast<uint8_t*>(input_image.buffer(kYPlane));
raw_->planes[PLANE_U] = const_cast<uint8_t*>(input_image.buffer(kUPlane));
raw_->planes[PLANE_V] = const_cast<uint8_t*>(input_image.buffer(kVPlane));
// TODO(mikhal): Stride should be set in initialization.
raw_->stride[VPX_PLANE_Y] = input_image.stride(kYPlane);
raw_->stride[VPX_PLANE_U] = input_image.stride(kUPlane);
raw_->stride[VPX_PLANE_V] = input_image.stride(kVPlane);
int flags = 0;
#if WEBRTC_LIBVPX_VERSION >= 971
@ -404,18 +408,17 @@ int VP8EncoderImpl::Encode(const I420VideoFrame& input_image,
#endif
}
int VP8EncoderImpl::UpdateCodecFrameSize(WebRtc_UWord32 input_image_width,
WebRtc_UWord32 input_image_height) {
codec_.width = input_image_width;
codec_.height = input_image_height;
int VP8EncoderImpl::UpdateCodecFrameSize(const I420VideoFrame& input_image) {
codec_.width = input_image.width();
codec_.height = input_image.height();
raw_->w = codec_.width;
raw_->h = codec_.height;
raw_->d_w = codec_.width;
raw_->d_h = codec_.height;
raw_->stride[VPX_PLANE_Y] = codec_.width;
raw_->stride[VPX_PLANE_U] = codec_.width / 2;
raw_->stride[VPX_PLANE_V] = codec_.width / 2;
raw_->stride[VPX_PLANE_Y] = input_image.stride(kYPlane);
raw_->stride[VPX_PLANE_U] = input_image.stride(kUPlane);
raw_->stride[VPX_PLANE_V] = input_image.stride(kVPlane);
vpx_img_set_rect(raw_, 0, 0, codec_.width, codec_.height);
// Update encoder context for new frame size.
@ -871,9 +874,10 @@ int VP8DecoderImpl::ReturnFrame(const vpx_image_t* img, uint32_t timestamp) {
// Decoder OK and NULL image => No show frame
return WEBRTC_VIDEO_CODEC_NO_OUTPUT;
}
int half_height = (img->d_h + 1) / 2;
int size_y = img->stride[VPX_PLANE_Y] * img->d_h;
int size_u = img->stride[VPX_PLANE_U] * ((img->d_h + 1) / 2);
int size_v = img->stride[VPX_PLANE_V] * ((img->d_h + 1) / 2);
int size_u = img->stride[VPX_PLANE_U] * half_height;
int size_v = img->stride[VPX_PLANE_V] * half_height;
// TODO(mikhal): This does a copy - need to SwapBuffers.
decoded_image_.CreateFrame(size_y, img->planes[VPX_PLANE_Y],
size_u, img->planes[VPX_PLANE_U],

3
webrtc/modules/video_coding/codecs/vp8/vp8_impl.h
View File

@ -108,8 +108,7 @@ class VP8EncoderImpl : public VP8Encoder {
int InitAndSetControlSettings(const VideoCodec* inst);
// Update frame size for codec.
int UpdateCodecFrameSize(WebRtc_UWord32 input_image_width,
WebRtc_UWord32 input_image_height);
int UpdateCodecFrameSize(const I420VideoFrame& input_image);
void PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
const vpx_codec_cx_pkt& pkt,