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Diffstat (limited to 'include/private/media/VideoFrame.h')
-rw-r--r-- | include/private/media/VideoFrame.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/private/media/VideoFrame.h b/include/private/media/VideoFrame.h new file mode 100644 index 0000000..9c35274ba --- /dev/null +++ b/include/private/media/VideoFrame.h @@ -0,0 +1,127 @@ +/* +** +** Copyright (C) 2008 The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +#ifndef ANDROID_VIDEO_FRAME_H +#define ANDROID_VIDEO_FRAME_H + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <utils/Log.h> + +namespace android { + +// A simple buffer to hold binary data +class MediaAlbumArt +{ +public: + MediaAlbumArt(): mSize(0), mData(0) {} + + explicit MediaAlbumArt(const char* url) { + mSize = 0; + mData = NULL; + FILE *in = fopen(url, "r"); + if (!in) { + return; + } + fseek(in, 0, SEEK_END); + mSize = ftell(in); // Allocating buffer of size equals to the external file size. + if (mSize == 0 || (mData = new uint8_t[mSize]) == NULL) { + fclose(in); + if (mSize != 0) { + mSize = 0; + } + return; + } + rewind(in); + if (fread(mData, 1, mSize, in) != mSize) { // Read failed. + delete[] mData; + mData = NULL; + mSize = 0; + return; + } + fclose(in); + } + + MediaAlbumArt(const MediaAlbumArt& copy) { + mSize = copy.mSize; + mData = NULL; // initialize it first + if (mSize > 0 && copy.mData != NULL) { + mData = new uint8_t[copy.mSize]; + if (mData != NULL) { + memcpy(mData, copy.mData, mSize); + } else { + mSize = 0; + } + } + } + + ~MediaAlbumArt() { + if (mData != 0) { + delete[] mData; + } + } + + // Intentional public access modifier: + // We have to know the internal structure in order to share it between + // processes? + uint32_t mSize; // Number of bytes in mData + uint8_t* mData; // Actual binary data +}; + +// Represents a color converted (RGB-based) video frame +// with bitmap pixels stored in FrameBuffer +class VideoFrame +{ +public: + VideoFrame(): mWidth(0), mHeight(0), mDisplayWidth(0), mDisplayHeight(0), mSize(0), mData(0) {} + + VideoFrame(const VideoFrame& copy) { + mWidth = copy.mWidth; + mHeight = copy.mHeight; + mDisplayWidth = copy.mDisplayWidth; + mDisplayHeight = copy.mDisplayHeight; + mSize = copy.mSize; + mData = NULL; // initialize it first + if (mSize > 0 && copy.mData != NULL) { + mData = new uint8_t[mSize]; + if (mData != NULL) { + memcpy(mData, copy.mData, mSize); + } else { + mSize = 0; + } + } + } + + ~VideoFrame() { + if (mData != 0) { + delete[] mData; + } + } + + // Intentional public access modifier: + uint32_t mWidth; + uint32_t mHeight; + uint32_t mDisplayWidth; + uint32_t mDisplayHeight; + uint32_t mSize; // Number of bytes in mData + uint8_t* mData; // Actual binary data +}; + +}; // namespace android + +#endif // ANDROID_VIDEO_FRAME_H |