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1 /* | |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 * | |
10 */ | |
11 | |
12 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_ | |
13 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_ | |
14 | |
15 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h" | |
16 | |
17 extern "C" { | |
18 #include "third_party/ffmpeg/libavcodec/avcodec.h" | |
19 } // extern "C" | |
20 | |
21 #include "webrtc/base/scoped_ptr.h" | |
22 | |
23 namespace webrtc { | |
24 | |
25 struct AVCodecContextDeleter { | |
26 void operator()(AVCodecContext* ptr) const { avcodec_free_context(&ptr); } | |
27 }; | |
28 struct AVFrameDeleter { | |
29 void operator()(AVFrame* ptr) const { av_frame_free(&ptr); } | |
30 }; | |
31 | |
32 class H264DecoderImpl : public H264Decoder { | |
33 public: | |
34 H264DecoderImpl(); | |
35 ~H264DecoderImpl() override; | |
36 | |
37 // |codec_settings| is ignored except if it's not null then | |
38 // |codec_settings->codecType| must be kVideoCodecH264. | |
palmer
2016/01/11 22:27:09
This comment reads a bit weirdly; sort of like a d
hbos
2016/01/12 13:56:27
Done.
| |
39 int32_t InitDecode(const VideoCodec* codec_settings, | |
40 int32_t number_of_cores) override; | |
41 int32_t Release() override; | |
42 int32_t Reset() override; | |
43 | |
44 int32_t RegisterDecodeCompleteCallback( | |
45 DecodedImageCallback* callback) override; | |
46 | |
47 // |missing_frames|, |fragmentation| and |render_time_ms| are ignored. | |
48 int32_t Decode(const EncodedImage& input_image, | |
49 bool /*missing_frames*/, | |
50 const RTPFragmentationHeader* /*fragmentation*/, | |
51 const CodecSpecificInfo* codec_specific_info = nullptr, | |
52 int64_t render_time_ms = -1) override; | |
53 | |
54 private: | |
55 bool IsInitialized() const; | |
56 | |
57 rtc::scoped_ptr<AVCodecContext, AVCodecContextDeleter> av_context_; | |
58 rtc::scoped_ptr<AVFrame, AVFrameDeleter> av_frame_; | |
59 | |
60 DecodedImageCallback* decoded_image_callback_; | |
61 }; | |
62 | |
63 } // namespace webrtc | |
64 | |
65 #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_ | |
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