b238d1210b
BUG=314 Review URL: https://webrtc-codereview.appspot.com/1302005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3801 4adac7df-926f-26a2-2b94-8c16560cd09d
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// Placed first to get WEBRTC_VIDEO_ENGINE_FILE_API.
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#include "engine_configurations.h" // NOLINT
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#ifdef WEBRTC_VIDEO_ENGINE_FILE_API
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#include "webrtc/video_engine/vie_file_image.h"
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#include <stdio.h> // NOLINT
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#include "webrtc/common_video/interface/video_image.h"
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#include "webrtc/common_video/jpeg/include/jpeg.h"
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#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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namespace webrtc {
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int ViEFileImage::ConvertJPEGToVideoFrame(int engine_id,
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const char* file_nameUTF8,
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I420VideoFrame* video_frame) {
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// Read jpeg file into temporary buffer.
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EncodedImage image_buffer;
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FILE* image_file = fopen(file_nameUTF8, "rb");
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if (!image_file) {
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"%s could not open file %s", __FUNCTION__, file_nameUTF8);
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return -1;
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}
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if (fseek(image_file, 0, SEEK_END) != 0) {
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fclose(image_file);
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"ConvertJPEGToVideoFrame fseek SEEK_END error for file %s",
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file_nameUTF8);
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return -1;
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}
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int buffer_size = ftell(image_file);
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if (buffer_size == -1) {
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fclose(image_file);
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"ConvertJPEGToVideoFrame could tell file size for file %s",
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file_nameUTF8);
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return -1;
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}
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image_buffer._size = buffer_size;
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if (fseek(image_file, 0, SEEK_SET) != 0) {
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fclose(image_file);
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"ConvertJPEGToVideoFrame fseek SEEK_SET error for file %s",
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file_nameUTF8);
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return -1;
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}
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image_buffer._buffer = new uint8_t[ image_buffer._size + 1];
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if (image_buffer._size != fread(image_buffer._buffer, sizeof(uint8_t),
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image_buffer._size, image_file)) {
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"%s could not read file %s", __FUNCTION__, file_nameUTF8);
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fclose(image_file);
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delete [] image_buffer._buffer;
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return -1;
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}
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fclose(image_file);
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int ret = ConvertJpegToI420(image_buffer, video_frame);
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delete [] image_buffer._buffer;
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image_buffer._buffer = NULL;
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if (ret == -1) {
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"%s could decode file %s from jpeg format", __FUNCTION__,
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file_nameUTF8);
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return -1;
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} else if (ret == -3) {
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WEBRTC_TRACE(kTraceError, kTraceVideo, engine_id,
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"%s could not convert jpeg's data to i420 format",
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__FUNCTION__, file_nameUTF8);
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}
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return 0;
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}
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int ViEFileImage::ConvertPictureToI420VideoFrame(int engine_id,
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const ViEPicture& picture,
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I420VideoFrame* video_frame) {
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int half_width = (picture.width + 1) / 2;
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video_frame->CreateEmptyFrame(picture.width, picture.height,
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picture.width, half_width, half_width);
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return ConvertToI420(kI420, picture.data, 0, 0,
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picture.width, picture.height,
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0, kRotateNone, video_frame);
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}
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENGINE_FILE_API
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