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author | Andreas Huber <andih@google.com> | 2010-06-07 15:19:40 -0700 |
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committer | Andreas Huber <andih@google.com> | 2010-06-07 15:34:45 -0700 |
commit | cf7b9c7aae758ac0b99833915053c63c2ac46e09 (patch) | |
tree | 2480a2da149f7ba8fe651876a6173947ec8c6a16 /media/libstagefright/rtsp/VideoSource.h | |
parent | e71d10e7ad55ccbcb0756c007caef1c959090384 (diff) | |
download | frameworks_av-cf7b9c7aae758ac0b99833915053c63c2ac46e09.zip frameworks_av-cf7b9c7aae758ac0b99833915053c63c2ac46e09.tar.gz frameworks_av-cf7b9c7aae758ac0b99833915053c63c2ac46e09.tar.bz2 |
Initial checkin of preliminary rtsp support for stagefright.
Change-Id: I0722aa888098c0c1361c97a4c1b123d910afc207
Diffstat (limited to 'media/libstagefright/rtsp/VideoSource.h')
-rw-r--r-- | media/libstagefright/rtsp/VideoSource.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/media/libstagefright/rtsp/VideoSource.h b/media/libstagefright/rtsp/VideoSource.h new file mode 100644 index 0000000..ae0c85b --- /dev/null +++ b/media/libstagefright/rtsp/VideoSource.h @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2010 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 VIDEO_SOURCE_H_ + +#define VIDEO_SOURCE_H_ + +#include <media/stagefright/MediaBufferGroup.h> +#include <media/stagefright/MediaDefs.h> +#include <media/stagefright/MediaSource.h> +#include <media/stagefright/MetaData.h> + +namespace android { + +class VideoSource : public MediaSource { + static const int32_t kFramerate = 24; // fps + +public: + VideoSource(int width, int height) + : mWidth(width), + mHeight(height), + mSize((width * height * 3) / 2) { + mGroup.add_buffer(new MediaBuffer(mSize)); + } + + virtual sp<MetaData> getFormat() { + sp<MetaData> meta = new MetaData; + meta->setInt32(kKeyWidth, mWidth); + meta->setInt32(kKeyHeight, mHeight); + meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW); + + return meta; + } + + virtual status_t start(MetaData *params) { + mNumFramesOutput = 0; + return OK; + } + + virtual status_t stop() { + return OK; + } + + virtual status_t read( + MediaBuffer **buffer, const MediaSource::ReadOptions *options) { + if (mNumFramesOutput == kFramerate * 100) { + // Stop returning data after 10 secs. + return ERROR_END_OF_STREAM; + } + + // printf("VideoSource::read\n"); + status_t err = mGroup.acquire_buffer(buffer); + if (err != OK) { + return err; + } + + char x = (char)((double)rand() / RAND_MAX * 255); + memset((*buffer)->data(), x, mSize); + (*buffer)->set_range(0, mSize); + (*buffer)->meta_data()->clear(); + (*buffer)->meta_data()->setInt64( + kKeyTime, (mNumFramesOutput * 1000000) / kFramerate); + ++mNumFramesOutput; + + // printf("VideoSource::read - returning buffer\n"); + // LOG(INFO)("VideoSource::read - returning buffer"); + return OK; + } + +protected: + virtual ~VideoSource() {} + +private: + MediaBufferGroup mGroup; + int mWidth, mHeight; + size_t mSize; + int64_t mNumFramesOutput;; + + VideoSource(const VideoSource &); + VideoSource &operator=(const VideoSource &); +}; + +} // namespace android + +#endif // VIDEO_SOURCE_H_ |