webrtc/sdk/objc/Framework/Classes/VideoToolbox/encoder.h - Issue 2893593002: Revert of Split iOS sdk in to separate targets

Side by Side Diff: webrtc/sdk/objc/Framework/Classes/VideoToolbox/encoder.h

Issue 2893593002: Revert of Split iOS sdk in to separate targets (Closed)

Patch Set: Created 3 years, 7 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
	(Empty)
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_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_ENCODER_H_

13 #define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_ENCODER_H_

14

15 #include "webrtc/api/video/video_rotation.h"

16 #include "webrtc/base/criticalsection.h"

17 #include "webrtc/common_video/h264/h264_bitstream_parser.h"

18 #include "webrtc/common_video/include/bitrate_adjuster.h"

19 #include "webrtc/media/base/codec.h"

20 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h"

21 #include "webrtc/modules/video_coding/utility/quality_scaler.h"

22

23 #include <VideoToolbox/VideoToolbox.h>

24 #include <vector>

25

26 // This file provides a H264 encoder implementation using the VideoToolbox

27 // APIs. Since documentation is almost non-existent, this is largely based on

28 // the information in the VideoToolbox header files, a talk from WWDC 2014 and

29 // experimentation.

30

31 namespace webrtc {

32

33 class H264VideoToolboxEncoder : public H264Encoder {

34 public:

35 explicit H264VideoToolboxEncoder(const cricket::VideoCodec& codec);

36

37 ~H264VideoToolboxEncoder() override;

38

39 int InitEncode(const VideoCodec* codec_settings,

40 int number_of_cores,

41 size_t max_payload_size) override;

42

43 int Encode(const VideoFrame& input_image,

44 const CodecSpecificInfo* codec_specific_info,

45 const std::vector<FrameType>* frame_types) override;

46

47 int RegisterEncodeCompleteCallback(EncodedImageCallback* callback) override;

48

49 int SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;

50

51 int SetRates(uint32_t new_bitrate_kbit, uint32_t frame_rate) override;

52

53 int Release() override;

54

55 const char* ImplementationName() const override;

56

57 bool SupportsNativeHandle() const override;

58

59 void OnEncodedFrame(OSStatus status,

60 VTEncodeInfoFlags info_flags,

61 CMSampleBufferRef sample_buffer,

62 CodecSpecificInfo codec_specific_info,

63 int32_t width,

64 int32_t height,

65 int64_t render_time_ms,

66 uint32_t timestamp,

67 VideoRotation rotation);

68

69 ScalingSettings GetScalingSettings() const override;

70

71 private:

72 int ResetCompressionSession();

73 void ConfigureCompressionSession();

74 void DestroyCompressionSession();

75 rtc::scoped_refptr<VideoFrameBuffer> GetScaledBufferOnEncode(

76 const rtc::scoped_refptr<VideoFrameBuffer>& frame);

77 void SetBitrateBps(uint32_t bitrate_bps);

78 void SetEncoderBitrateBps(uint32_t bitrate_bps);

79

80 EncodedImageCallback* callback_;

81 VTCompressionSessionRef compression_session_;

82 BitrateAdjuster bitrate_adjuster_;

83 H264PacketizationMode packetization_mode_;

84 uint32_t target_bitrate_bps_;

85 uint32_t encoder_bitrate_bps_;

86 int32_t width_;

87 int32_t height_;

88 VideoCodecMode mode_;

89 const CFStringRef profile_;

90

91 H264BitstreamParser h264_bitstream_parser_;

92 std::vector<uint8_t> nv12_scale_buffer_;

93 }; // H264VideoToolboxEncoder

94

95 } // namespace webrtc

96

97 #endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_ENCODER_H_

OLD	NEW