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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/renderers/skcanvas_video_renderer.h" | 5 #include "media/renderers/skcanvas_video_renderer.h" |
6 | 6 |
7 #include <GLES3/gl3.h> | |
7 #include <limits> | 8 #include <limits> |
8 | 9 |
9 #include "base/macros.h" | 10 #include "base/macros.h" |
10 #include "gpu/GLES2/gl2extchromium.h" | 11 #include "gpu/GLES2/gl2extchromium.h" |
11 #include "gpu/command_buffer/client/gles2_interface.h" | 12 #include "gpu/command_buffer/client/gles2_interface.h" |
12 #include "gpu/command_buffer/common/mailbox_holder.h" | 13 #include "gpu/command_buffer/common/mailbox_holder.h" |
14 #include "media/base/data_buffer.h" | |
13 #include "media/base/video_frame.h" | 15 #include "media/base/video_frame.h" |
14 #include "media/base/yuv_convert.h" | 16 #include "media/base/yuv_convert.h" |
15 #include "skia/ext/texture_handle.h" | 17 #include "skia/ext/texture_handle.h" |
16 #include "third_party/libyuv/include/libyuv.h" | 18 #include "third_party/libyuv/include/libyuv.h" |
17 #include "third_party/skia/include/core/SkCanvas.h" | 19 #include "third_party/skia/include/core/SkCanvas.h" |
18 #include "third_party/skia/include/core/SkImage.h" | 20 #include "third_party/skia/include/core/SkImage.h" |
19 #include "third_party/skia/include/core/SkImageGenerator.h" | 21 #include "third_party/skia/include/core/SkImageGenerator.h" |
20 #include "third_party/skia/include/gpu/GrContext.h" | 22 #include "third_party/skia/include/gpu/GrContext.h" |
21 #include "third_party/skia/include/gpu/GrPaint.h" | 23 #include "third_party/skia/include/gpu/GrPaint.h" |
22 #include "third_party/skia/include/gpu/GrTexture.h" | 24 #include "third_party/skia/include/gpu/GrTexture.h" |
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202 desc.fTextureHandle = | 204 desc.fTextureHandle = |
203 skia::GrGLTextureInfoToGrBackendObject(source_texture_info); | 205 skia::GrGLTextureInfoToGrBackendObject(source_texture_info); |
204 return SkImage::MakeFromAdoptedTexture(context_3d.gr_context, desc); | 206 return SkImage::MakeFromAdoptedTexture(context_3d.gr_context, desc); |
205 } | 207 } |
206 | 208 |
207 } // anonymous namespace | 209 } // anonymous namespace |
208 | 210 |
209 // Generates an RGB image from a VideoFrame. Convert YUV to RGB plain on GPU. | 211 // Generates an RGB image from a VideoFrame. Convert YUV to RGB plain on GPU. |
210 class VideoImageGenerator : public SkImageGenerator { | 212 class VideoImageGenerator : public SkImageGenerator { |
211 public: | 213 public: |
212 VideoImageGenerator(const scoped_refptr<VideoFrame>& frame) | 214 VideoImageGenerator(const scoped_refptr<VideoFrame>& frame, SkColorType type) |
213 : SkImageGenerator( | 215 : SkImageGenerator(SkImageInfo::Make(frame->visible_rect().width(), |
214 SkImageInfo::MakeN32Premul(frame->visible_rect().width(), | 216 frame->visible_rect().height(), |
215 frame->visible_rect().height())), | 217 type, |
218 kPremul_SkAlphaType)), | |
216 frame_(frame) { | 219 frame_(frame) { |
217 DCHECK(!frame_->HasTextures()); | 220 DCHECK(!frame_->HasTextures()); |
218 } | 221 } |
219 ~VideoImageGenerator() override {} | 222 ~VideoImageGenerator() override {} |
220 | 223 |
221 protected: | 224 protected: |
222 bool onGetPixels(const SkImageInfo& info, | 225 bool onGetPixels(const SkImageInfo& info, |
223 void* pixels, | 226 void* pixels, |
224 size_t row_bytes, | 227 size_t row_bytes, |
225 SkPMColor ctable[], | 228 SkPMColor ctable[], |
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343 | 346 |
344 SkRect dest; | 347 SkRect dest; |
345 dest.set(dest_rect.x(), dest_rect.y(), dest_rect.right(), dest_rect.bottom()); | 348 dest.set(dest_rect.x(), dest_rect.y(), dest_rect.right(), dest_rect.bottom()); |
346 | 349 |
347 SkPaint paint; | 350 SkPaint paint; |
348 paint.setAlpha(alpha); | 351 paint.setAlpha(alpha); |
349 | 352 |
350 // Paint black rectangle if there isn't a frame available or the | 353 // Paint black rectangle if there isn't a frame available or the |
351 // frame has an unexpected format. | 354 // frame has an unexpected format. |
352 if (!video_frame.get() || video_frame->natural_size().IsEmpty() || | 355 if (!video_frame.get() || video_frame->natural_size().IsEmpty() || |
353 !(media::IsYuvPlanar(video_frame->format()) || | 356 !((media::IsYuvPlanar(video_frame->format()) || |
357 video_frame->format() == media::PIXEL_FORMAT_Y16) || | |
354 video_frame->HasTextures())) { | 358 video_frame->HasTextures())) { |
355 canvas->drawRect(dest, paint); | 359 canvas->drawRect(dest, paint); |
356 canvas->flush(); | 360 canvas->flush(); |
357 return; | 361 return; |
358 } | 362 } |
359 | 363 |
360 gpu::gles2::GLES2Interface* gl = context_3d.gl; | 364 gpu::gles2::GLES2Interface* gl = context_3d.gl; |
361 | 365 |
362 if (!last_image_ || video_frame->timestamp() != last_timestamp_) { | 366 if (!last_image_ || video_frame->timestamp() != last_timestamp_) { |
363 ResetCache(); | 367 ResetCache(); |
364 // Generate a new image. | 368 // Generate a new image. |
365 // Note: Skia will hold onto |video_frame| via |video_generator| only when | 369 // Note: Skia will hold onto |video_frame| via |video_generator| only when |
366 // |video_frame| is software. | 370 // |video_frame| is software. |
367 // Holding |video_frame| longer than this call when using GPUVideoDecoder | 371 // Holding |video_frame| longer than this call when using GPUVideoDecoder |
368 // could cause problems since the pool of VideoFrames has a fixed size. | 372 // could cause problems since the pool of VideoFrames has a fixed size. |
369 if (video_frame->HasTextures()) { | 373 if (video_frame->HasTextures()) { |
370 DCHECK(context_3d.gr_context); | 374 DCHECK(context_3d.gr_context); |
371 DCHECK(gl); | 375 DCHECK(gl); |
372 if (media::VideoFrame::NumPlanes(video_frame->format()) > 1) { | 376 if (media::VideoFrame::NumPlanes(video_frame->format()) > 1) { |
373 last_image_ = | 377 last_image_ = |
374 NewSkImageFromVideoFrameYUVTextures(video_frame.get(), context_3d); | 378 NewSkImageFromVideoFrameYUVTextures(video_frame.get(), context_3d); |
375 } else { | 379 } else { |
376 last_image_ = | 380 last_image_ = |
377 NewSkImageFromVideoFrameNative(video_frame.get(), context_3d); | 381 NewSkImageFromVideoFrameNative(video_frame.get(), context_3d); |
378 } | 382 } |
379 } else { | 383 } else { |
380 auto* video_generator = new VideoImageGenerator(video_frame); | 384 auto* video_generator = new VideoImageGenerator( |
385 video_frame, (video_frame->format() == media::PIXEL_FORMAT_Y16) | |
386 ? kRGBA_8888_SkColorType | |
387 : kN32_SkColorType); | |
381 last_image_ = SkImage::MakeFromGenerator(video_generator); | 388 last_image_ = SkImage::MakeFromGenerator(video_generator); |
382 } | 389 } |
383 if (!last_image_) // Couldn't create the SkImage. | 390 if (!last_image_) // Couldn't create the SkImage. |
384 return; | 391 return; |
385 last_timestamp_ = video_frame->timestamp(); | 392 last_timestamp_ = video_frame->timestamp(); |
386 } | 393 } |
387 last_image_deleting_timer_.Reset(); | 394 last_image_deleting_timer_.Reset(); |
388 | 395 |
389 paint.setXfermodeMode(mode); | 396 paint.setXfermodeMode(mode); |
390 paint.setFilterQuality(kLow_SkFilterQuality); | 397 paint.setFilterQuality(kLow_SkFilterQuality); |
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515 for (int row = 0; row < video_frame->rows(plane); row++) { | 522 for (int row = 0; row < video_frame->rows(plane); row++) { |
516 for (int x = 0; x < width; x++) { | 523 for (int x = 0; x < width; x++) { |
517 dst[x] = src[x] >> shift; | 524 dst[x] = src[x] >> shift; |
518 } | 525 } |
519 src += video_frame->stride(plane) / 2; | 526 src += video_frame->stride(plane) / 2; |
520 dst += ret->stride(plane); | 527 dst += ret->stride(plane); |
521 } | 528 } |
522 } | 529 } |
523 return ret; | 530 return ret; |
524 } | 531 } |
532 | |
533 void ConvertY16ToABGR(const VideoFrame* video_frame, | |
534 void* argb_pixels, | |
535 size_t argb_row_bytes) { | |
536 const uint8_t* source = | |
537 reinterpret_cast<const uint8_t*>(video_frame->visible_data(0)); | |
538 uint8_t* out = reinterpret_cast<uint8_t*>(argb_pixels); | |
539 const size_t stride = video_frame->stride(0); | |
540 for (int i = 0; i < video_frame->visible_rect().height(); ++i) { | |
541 const uint16_t* row = reinterpret_cast<const uint16_t*>(source); | |
542 uint32_t* argb = reinterpret_cast<uint32_t*>(out); | |
543 for (const uint16_t* row_end = row + video_frame->visible_rect().width(); | |
544 row < row_end;) | |
545 *argb++ = ((*row++) >> 8) | 0xFF000000; | |
546 out += argb_row_bytes; | |
547 source += stride; | |
548 } | |
549 } | |
550 | |
551 void FlipAndMultiply(const uint8_t* input, | |
552 uint8_t* output, | |
553 unsigned format, | |
554 unsigned type, | |
555 bool flipY, | |
556 bool premultiplyAlpha, | |
557 size_t row_bytes, | |
558 size_t stride, | |
559 size_t height) { | |
560 // Premultiply alpha is not set for formats that this method supports. | |
561 DCHECK(!premultiplyAlpha); | |
562 DCHECK(flipY || premultiplyAlpha); | |
563 DCHECK(input != output); | |
564 for (int i = 0; i < height; ++i) | |
565 memcpy(output + stride * (height - i - 1), input + i * stride, row_bytes); | |
566 } | |
525 } | 567 } |
526 | 568 |
527 // static | 569 // static |
528 void SkCanvasVideoRenderer::ConvertVideoFrameToRGBPixels( | 570 void SkCanvasVideoRenderer::ConvertVideoFrameToRGBPixels( |
529 const VideoFrame* video_frame, | 571 const VideoFrame* video_frame, |
530 void* rgb_pixels, | 572 void* rgb_pixels, |
531 size_t row_bytes) { | 573 size_t row_bytes) { |
532 if (!video_frame->IsMappable()) { | 574 if (!video_frame->IsMappable()) { |
533 NOTREACHED() << "Cannot extract pixels from non-CPU frame formats."; | 575 NOTREACHED() << "Cannot extract pixels from non-CPU frame formats."; |
534 return; | 576 return; |
535 } | 577 } |
536 if (!media::IsYuvPlanar(video_frame->format())) { | |
537 NOTREACHED() << "Non YUV formats are not supported"; | |
538 return; | |
539 } | |
540 | 578 |
541 switch (video_frame->format()) { | 579 switch (video_frame->format()) { |
542 case PIXEL_FORMAT_YV12: | 580 case PIXEL_FORMAT_YV12: |
543 case PIXEL_FORMAT_I420: | 581 case PIXEL_FORMAT_I420: |
544 if (CheckColorSpace(video_frame, COLOR_SPACE_JPEG)) { | 582 if (CheckColorSpace(video_frame, COLOR_SPACE_JPEG)) { |
545 LIBYUV_J420_TO_ARGB(video_frame->visible_data(VideoFrame::kYPlane), | 583 LIBYUV_J420_TO_ARGB(video_frame->visible_data(VideoFrame::kYPlane), |
546 video_frame->stride(VideoFrame::kYPlane), | 584 video_frame->stride(VideoFrame::kYPlane), |
547 video_frame->visible_data(VideoFrame::kUPlane), | 585 video_frame->visible_data(VideoFrame::kUPlane), |
548 video_frame->stride(VideoFrame::kUPlane), | 586 video_frame->stride(VideoFrame::kUPlane), |
549 video_frame->visible_data(VideoFrame::kVPlane), | 587 video_frame->visible_data(VideoFrame::kVPlane), |
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619 case PIXEL_FORMAT_YUV420P10: | 657 case PIXEL_FORMAT_YUV420P10: |
620 case PIXEL_FORMAT_YUV422P10: | 658 case PIXEL_FORMAT_YUV422P10: |
621 case PIXEL_FORMAT_YUV444P10: { | 659 case PIXEL_FORMAT_YUV444P10: { |
622 scoped_refptr<VideoFrame> temporary_frame = | 660 scoped_refptr<VideoFrame> temporary_frame = |
623 DownShiftHighbitVideoFrame(video_frame); | 661 DownShiftHighbitVideoFrame(video_frame); |
624 ConvertVideoFrameToRGBPixels(temporary_frame.get(), rgb_pixels, | 662 ConvertVideoFrameToRGBPixels(temporary_frame.get(), rgb_pixels, |
625 row_bytes); | 663 row_bytes); |
626 break; | 664 break; |
627 } | 665 } |
628 | 666 |
667 case PIXEL_FORMAT_Y16: | |
668 ConvertY16ToABGR(video_frame, rgb_pixels, row_bytes); | |
669 break; | |
670 | |
629 case PIXEL_FORMAT_NV12: | 671 case PIXEL_FORMAT_NV12: |
630 case PIXEL_FORMAT_NV21: | 672 case PIXEL_FORMAT_NV21: |
631 case PIXEL_FORMAT_UYVY: | 673 case PIXEL_FORMAT_UYVY: |
632 case PIXEL_FORMAT_YUY2: | 674 case PIXEL_FORMAT_YUY2: |
633 case PIXEL_FORMAT_ARGB: | 675 case PIXEL_FORMAT_ARGB: |
634 case PIXEL_FORMAT_XRGB: | 676 case PIXEL_FORMAT_XRGB: |
635 case PIXEL_FORMAT_RGB24: | 677 case PIXEL_FORMAT_RGB24: |
636 case PIXEL_FORMAT_RGB32: | 678 case PIXEL_FORMAT_RGB32: |
637 case PIXEL_FORMAT_MJPEG: | 679 case PIXEL_FORMAT_MJPEG: |
638 case PIXEL_FORMAT_MT21: | 680 case PIXEL_FORMAT_MT21: |
681 case PIXEL_FORMAT_Y8: | |
639 case PIXEL_FORMAT_UNKNOWN: | 682 case PIXEL_FORMAT_UNKNOWN: |
640 NOTREACHED(); | 683 NOTREACHED() << "Only YUV formats and Y16 are supported."; |
641 } | 684 } |
642 } | 685 } |
643 | 686 |
644 // static | 687 // static |
645 void SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture( | 688 void SkCanvasVideoRenderer::CopyVideoFrameSingleTextureToGLTexture( |
646 gpu::gles2::GLES2Interface* gl, | 689 gpu::gles2::GLES2Interface* gl, |
647 VideoFrame* video_frame, | 690 VideoFrame* video_frame, |
648 unsigned int texture, | 691 unsigned int texture, |
649 unsigned int internal_format, | 692 unsigned int internal_format, |
650 unsigned int type, | 693 unsigned int type, |
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671 // "flip_y == false" means to keep the intrinsic orientation. | 714 // "flip_y == false" means to keep the intrinsic orientation. |
672 gl->CopyTextureCHROMIUM(source_texture, texture, internal_format, type, | 715 gl->CopyTextureCHROMIUM(source_texture, texture, internal_format, type, |
673 flip_y, premultiply_alpha, false); | 716 flip_y, premultiply_alpha, false); |
674 gl->DeleteTextures(1, &source_texture); | 717 gl->DeleteTextures(1, &source_texture); |
675 gl->Flush(); | 718 gl->Flush(); |
676 | 719 |
677 SyncTokenClientImpl client(gl); | 720 SyncTokenClientImpl client(gl); |
678 video_frame->UpdateReleaseSyncToken(&client); | 721 video_frame->UpdateReleaseSyncToken(&client); |
679 } | 722 } |
680 | 723 |
724 bool SkCanvasVideoRenderer::TexImageImpl(const char* functionID, | |
725 unsigned target, | |
726 gpu::gles2::GLES2Interface* gl, | |
727 VideoFrame* frame, | |
728 int level, | |
729 int internalformat, | |
730 unsigned format, | |
731 unsigned type, | |
732 int xoffset, | |
733 int yoffset, | |
734 int zoffset, | |
735 bool flipY, | |
736 bool premultiplyAlpha) { | |
737 DCHECK(frame); | |
738 | |
739 bool hasAlpha = false; | |
740 switch (frame->format()) { | |
741 case PIXEL_FORMAT_Y16: | |
742 // Allow reinterpreting R16 buffer here as RG8. | |
743 if ((format != GL_RED_INTEGER || type != GL_UNSIGNED_SHORT) && | |
744 (format != GL_RG || type != GL_UNSIGNED_BYTE)) | |
745 return false; | |
746 break; | |
747 case PIXEL_FORMAT_Y8: | |
748 if (format != GL_RED || type != GL_UNSIGNED_BYTE) | |
749 return false; | |
750 break; | |
751 // TODO(astojilj): ARGB, XRGB....v | |
752 default: | |
753 return false; | |
754 } | |
755 | |
756 size_t width = frame->visible_rect().width(); | |
757 size_t height = frame->visible_rect().height(); | |
758 if (hasAlpha && premultiplyAlpha) { | |
759 NOTREACHED() << "Premultiply alpha is not supported."; | |
760 return false; | |
761 } | |
762 if (xoffset || yoffset || zoffset) { | |
763 NOTREACHED() << "Offsets are not supported."; | |
764 return false; | |
765 } | |
766 | |
767 uint8_t* data; | |
768 scoped_refptr<DataBuffer> temp_buffer; | |
769 if (flipY) { | |
770 temp_buffer = new DataBuffer(frame->stride(0) * height); | |
771 data = temp_buffer->writable_data(); | |
772 FlipAndMultiply(frame->visible_data(0), data, format, type, flipY, false, | |
773 frame->row_bytes(0), frame->stride(0), height); | |
774 } else { | |
775 data = frame->visible_data(0); | |
Ken Russell (switch to Gerrit)
2016/08/16 00:22:27
Is there ever a situation where the video frame's
aleksandar.stojiljkovic
2016/08/16 12:02:31
Of course. In this case VideoFrame::storage_type()
Ken Russell (switch to Gerrit)
2016/08/16 18:27:37
OK. Do you plan to add this code path?
If this co
aleksandar.stojiljkovic
2016/09/20 12:22:55
Done. Reinterpreting RG8 to R32F when storage is G
| |
776 } | |
777 | |
778 if (!strcmp(functionID, "texImage2D")) { | |
779 gl->TexImage2D(target, level, internalformat, width, height, 0, format, | |
780 type, data); | |
781 } else if (!strcmp(functionID, "texSubImage2D")) { | |
782 gl->TexSubImage2D(target, level, xoffset, yoffset, width, height, format, | |
783 type, data); | |
784 } else { | |
785 DCHECK(!strcmp(functionID, "texSubImage3D")); | |
786 gl->TexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, | |
787 1, format, type, data); | |
788 } | |
789 return true; | |
790 } | |
791 | |
681 void SkCanvasVideoRenderer::ResetCache() { | 792 void SkCanvasVideoRenderer::ResetCache() { |
682 DCHECK(thread_checker_.CalledOnValidThread()); | 793 DCHECK(thread_checker_.CalledOnValidThread()); |
683 // Clear cached values. | 794 // Clear cached values. |
684 last_image_ = nullptr; | 795 last_image_ = nullptr; |
685 last_timestamp_ = kNoTimestamp(); | 796 last_timestamp_ = kNoTimestamp(); |
686 } | 797 } |
687 | 798 |
688 } // namespace media | 799 } // namespace media |
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