1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 // Note: ported from Chromium commit head: d264e47 5 6 #ifndef PICTURE_H_ 7 #define PICTURE_H_ 8 9 #include <stdint.h> 10 11 #include <vector> 12 13 #include "rect.h" 14 #include "size.h" 15 #include "video_pixel_format.h" 16 17 namespace media { 18 19 // A picture buffer that has size and pixel format information. 20 class PictureBuffer { 21 public: 22 PictureBuffer(int32_t id, const Size& size); 23 PictureBuffer(int32_t id, 24 const Size& size, 25 VideoPixelFormat pixel_format); 26 PictureBuffer(const PictureBuffer& other); 27 ~PictureBuffer(); 28 29 // Returns the client-specified id of the buffer. 30 int32_t id() const { return id_; } 31 32 // Returns the size of the buffer. 33 Size size() const { return size_; } 34 35 void set_size(const Size& size) { size_ = size; } 36 37 VideoPixelFormat pixel_format() const { return pixel_format_; } 38 39 private: 40 int32_t id_; 41 Size size_; 42 VideoPixelFormat pixel_format_ = PIXEL_FORMAT_UNKNOWN; 43 }; 44 45 // A decoded picture frame. 46 class Picture { 47 public: 48 Picture(int32_t picture_buffer_id, 49 int32_t bitstream_buffer_id, 50 const Rect& visible_rect, 51 bool allow_overlay); 52 Picture(const Picture&); 53 ~Picture(); 54 55 // Returns the id of the picture buffer where this picture is contained. 56 int32_t picture_buffer_id() const { return picture_buffer_id_; } 57 58 // Returns the id of the bitstream buffer from which this frame was decoded. 59 int32_t bitstream_buffer_id() const { return bitstream_buffer_id_; } 60 61 void set_bitstream_buffer_id(int32_t bitstream_buffer_id) { 62 bitstream_buffer_id_ = bitstream_buffer_id; 63 } 64 65 // Returns the visible rectangle of the picture. Its size may be smaller 66 // than the size of the PictureBuffer, as it is the only visible part of the 67 // Picture contained in the PictureBuffer. 68 Rect visible_rect() const { return visible_rect_; } 69 70 bool allow_overlay() const { return allow_overlay_; } 71 72 private: 73 int32_t picture_buffer_id_; 74 int32_t bitstream_buffer_id_; 75 Rect visible_rect_; 76 bool allow_overlay_; 77 }; 78 79 } // namespace media 80 81 #endif // PICTURE_H_ 82
