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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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 */ |
11 | 11 |
12 #ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ | 12 #ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ |
13 #define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ | 13 #define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ |
14 | 14 |
15 #include "webrtc/base/criticalsection.h" | 15 #include "webrtc/base/criticalsection.h" |
16 #include "webrtc/common_video/h264/h264_bitstream_parser.h" | 16 #include "webrtc/common_video/h264/h264_bitstream_parser.h" |
17 #include "webrtc/common_video/include/bitrate_adjuster.h" | 17 #include "webrtc/common_video/include/bitrate_adjuster.h" |
18 #include "webrtc/common_video/rotation.h" | 18 #include "webrtc/common_video/rotation.h" |
| 19 #include "webrtc/media/base/codec.h" |
19 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h" | 20 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h" |
20 #include "webrtc/modules/video_coding/utility/quality_scaler.h" | 21 #include "webrtc/modules/video_coding/utility/quality_scaler.h" |
21 | 22 |
22 #include <VideoToolbox/VideoToolbox.h> | 23 #include <VideoToolbox/VideoToolbox.h> |
23 #include <vector> | 24 #include <vector> |
24 | 25 |
25 // This file provides a H264 encoder implementation using the VideoToolbox | 26 // This file provides a H264 encoder implementation using the VideoToolbox |
26 // APIs. Since documentation is almost non-existent, this is largely based on | 27 // APIs. Since documentation is almost non-existent, this is largely based on |
27 // the information in the VideoToolbox header files, a talk from WWDC 2014 and | 28 // the information in the VideoToolbox header files, a talk from WWDC 2014 and |
28 // experimentation. | 29 // experimentation. |
29 | 30 |
30 namespace webrtc { | 31 namespace webrtc { |
31 | 32 |
32 class H264VideoToolboxEncoder : public H264Encoder { | 33 class H264VideoToolboxEncoder : public H264Encoder { |
33 public: | 34 public: |
34 H264VideoToolboxEncoder(); | 35 explicit H264VideoToolboxEncoder(const cricket::VideoCodec& codec); |
35 | 36 |
36 ~H264VideoToolboxEncoder() override; | 37 ~H264VideoToolboxEncoder() override; |
37 | 38 |
38 int InitEncode(const VideoCodec* codec_settings, | 39 int InitEncode(const VideoCodec* codec_settings, |
39 int number_of_cores, | 40 int number_of_cores, |
40 size_t max_payload_size) override; | 41 size_t max_payload_size) override; |
41 | 42 |
42 int Encode(const VideoFrame& input_image, | 43 int Encode(const VideoFrame& input_image, |
43 const CodecSpecificInfo* codec_specific_info, | 44 const CodecSpecificInfo* codec_specific_info, |
44 const std::vector<FrameType>* frame_types) override; | 45 const std::vector<FrameType>* frame_types) override; |
(...skipping 30 matching lines...) Expand all Loading... |
75 void SetBitrateBps(uint32_t bitrate_bps); | 76 void SetBitrateBps(uint32_t bitrate_bps); |
76 void SetEncoderBitrateBps(uint32_t bitrate_bps); | 77 void SetEncoderBitrateBps(uint32_t bitrate_bps); |
77 | 78 |
78 EncodedImageCallback* callback_; | 79 EncodedImageCallback* callback_; |
79 VTCompressionSessionRef compression_session_; | 80 VTCompressionSessionRef compression_session_; |
80 BitrateAdjuster bitrate_adjuster_; | 81 BitrateAdjuster bitrate_adjuster_; |
81 uint32_t target_bitrate_bps_; | 82 uint32_t target_bitrate_bps_; |
82 uint32_t encoder_bitrate_bps_; | 83 uint32_t encoder_bitrate_bps_; |
83 int32_t width_; | 84 int32_t width_; |
84 int32_t height_; | 85 int32_t height_; |
| 86 const CFStringRef profile_; |
85 | 87 |
86 rtc::CriticalSection quality_scaler_crit_; | 88 rtc::CriticalSection quality_scaler_crit_; |
87 QualityScaler quality_scaler_ GUARDED_BY(quality_scaler_crit_); | 89 QualityScaler quality_scaler_ GUARDED_BY(quality_scaler_crit_); |
88 H264BitstreamParser h264_bitstream_parser_; | 90 H264BitstreamParser h264_bitstream_parser_; |
89 bool enable_scaling_; | 91 bool enable_scaling_; |
90 std::vector<uint8_t> nv12_scale_buffer_; | 92 std::vector<uint8_t> nv12_scale_buffer_; |
91 }; // H264VideoToolboxEncoder | 93 }; // H264VideoToolboxEncoder |
92 | 94 |
93 } // namespace webrtc | 95 } // namespace webrtc |
94 | 96 |
95 #endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ | 97 #endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_H264_VIDEO_TOOLBOX_ENCODER_H_ |
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