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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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43 | 43 |
44 virtual int32_t ReceivedDecodedReferenceFrame(const uint64_t pictureId) { | 44 virtual int32_t ReceivedDecodedReferenceFrame(const uint64_t pictureId) { |
45 return -1; | 45 return -1; |
46 } | 46 } |
47 | 47 |
48 virtual int32_t ReceivedDecodedFrame(const uint64_t pictureId) { return -1; } | 48 virtual int32_t ReceivedDecodedFrame(const uint64_t pictureId) { return -1; } |
49 }; | 49 }; |
50 | 50 |
51 class VideoDecoder { | 51 class VideoDecoder { |
52 public: | 52 public: |
53 enum DecoderType { | |
54 kH264, | |
55 kVp8, | |
56 kVp9, | |
57 kUnsupportedCodec, | |
58 }; | |
59 | |
60 static VideoDecoder* Create(DecoderType codec_type); | |
61 | |
62 virtual ~VideoDecoder() {} | 53 virtual ~VideoDecoder() {} |
63 | 54 |
64 virtual int32_t InitDecode(const VideoCodec* codec_settings, | 55 virtual int32_t InitDecode(const VideoCodec* codec_settings, |
65 int32_t number_of_cores) = 0; | 56 int32_t number_of_cores) = 0; |
66 | 57 |
67 virtual int32_t Decode(const EncodedImage& input_image, | 58 virtual int32_t Decode(const EncodedImage& input_image, |
68 bool missing_frames, | 59 bool missing_frames, |
69 const RTPFragmentationHeader* fragmentation, | 60 const RTPFragmentationHeader* fragmentation, |
70 const CodecSpecificInfo* codec_specific_info = NULL, | 61 const CodecSpecificInfo* codec_specific_info = NULL, |
71 int64_t render_time_ms = -1) = 0; | 62 int64_t render_time_ms = -1) = 0; |
72 | 63 |
73 virtual int32_t RegisterDecodeCompleteCallback( | 64 virtual int32_t RegisterDecodeCompleteCallback( |
74 DecodedImageCallback* callback) = 0; | 65 DecodedImageCallback* callback) = 0; |
75 | 66 |
76 virtual int32_t Release() = 0; | 67 virtual int32_t Release() = 0; |
77 | 68 |
78 // Returns true if the decoder prefer to decode frames late. | 69 // Returns true if the decoder prefer to decode frames late. |
79 // That is, it can not decode infinite number of frames before the decoded | 70 // That is, it can not decode infinite number of frames before the decoded |
80 // frame is consumed. | 71 // frame is consumed. |
81 virtual bool PrefersLateDecoding() const { return true; } | 72 virtual bool PrefersLateDecoding() const { return true; } |
82 | 73 |
83 virtual const char* ImplementationName() const { return "unknown"; } | 74 virtual const char* ImplementationName() const { return "unknown"; } |
84 }; | 75 }; |
85 | 76 |
86 // Video decoder class to be used for unknown codecs. Doesn't support decoding | |
87 // but logs messages to LS_ERROR. | |
88 class NullVideoDecoder : public VideoDecoder { | |
89 public: | |
90 NullVideoDecoder(); | |
91 | |
92 int32_t InitDecode(const VideoCodec* codec_settings, | |
93 int32_t number_of_cores) override; | |
94 | |
95 int32_t Decode(const EncodedImage& input_image, | |
96 bool missing_frames, | |
97 const RTPFragmentationHeader* fragmentation, | |
98 const CodecSpecificInfo* codec_specific_info, | |
99 int64_t render_time_ms) override; | |
100 | |
101 int32_t RegisterDecodeCompleteCallback( | |
102 DecodedImageCallback* callback) override; | |
103 | |
104 int32_t Release() override; | |
105 | |
106 const char* ImplementationName() const override; | |
107 }; | |
108 | |
109 } // namespace webrtc | 77 } // namespace webrtc |
110 | 78 |
111 #endif // WEBRTC_VIDEO_DECODER_H_ | 79 #endif // WEBRTC_VIDEO_DECODER_H_ |
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