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Unified Diff: webrtc/sdk/objc/Framework/Classes/VideoToolbox/nalu_rewriter.h

Issue 2890513002: Revert of Split iOS sdk in to separate targets (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: webrtc/sdk/objc/Framework/Classes/VideoToolbox/nalu_rewriter.h
diff --git a/webrtc/sdk/objc/Framework/Classes/VideoToolbox/nalu_rewriter.h b/webrtc/sdk/objc/Framework/Classes/VideoToolbox/nalu_rewriter.h
deleted file mode 100644
index 530fbe2400ba2b3d0d57efe9b427c72fad3c84bb..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/VideoToolbox/nalu_rewriter.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- *
- */
-
-#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_NALU_REWRITER_H_
-#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_NALU_REWRITER_H_
-
-#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
-
-#include <CoreMedia/CoreMedia.h>
-#include <vector>
-
-#include "webrtc/base/buffer.h"
-#include "webrtc/common_video/h264/h264_common.h"
-#include "webrtc/modules/include/module_common_types.h"
-
-using webrtc::H264::NaluIndex;
-
-namespace webrtc {
-
-// Converts a sample buffer emitted from the VideoToolbox encoder into a buffer
-// suitable for RTP. The sample buffer is in avcc format whereas the rtp buffer
-// needs to be in Annex B format. Data is written directly to |annexb_buffer|
-// and a new RTPFragmentationHeader is returned in |out_header|.
-bool H264CMSampleBufferToAnnexBBuffer(
- CMSampleBufferRef avcc_sample_buffer,
- bool is_keyframe,
- rtc::Buffer* annexb_buffer,
- webrtc::RTPFragmentationHeader** out_header);
-
-// Converts a buffer received from RTP into a sample buffer suitable for the
-// VideoToolbox decoder. The RTP buffer is in annex b format whereas the sample
-// buffer is in avcc format.
-// If |is_keyframe| is true then |video_format| is ignored since the format will
-// be read from the buffer. Otherwise |video_format| must be provided.
-// Caller is responsible for releasing the created sample buffer.
-bool H264AnnexBBufferToCMSampleBuffer(const uint8_t* annexb_buffer,
- size_t annexb_buffer_size,
- CMVideoFormatDescriptionRef video_format,
- CMSampleBufferRef* out_sample_buffer);
-
-// Returns true if the type of the first NALU in the supplied Annex B buffer is
-// the SPS type.
-bool H264AnnexBBufferHasVideoFormatDescription(const uint8_t* annexb_buffer,
- size_t annexb_buffer_size);
-
-// Returns a video format description created from the sps/pps information in
-// the Annex B buffer. If there is no such information, nullptr is returned.
-// The caller is responsible for releasing the description.
-CMVideoFormatDescriptionRef CreateVideoFormatDescription(
- const uint8_t* annexb_buffer,
- size_t annexb_buffer_size);
-
-// Helper class for reading NALUs from an RTP Annex B buffer.
-class AnnexBBufferReader final {
- public:
- AnnexBBufferReader(const uint8_t* annexb_buffer, size_t length);
- ~AnnexBBufferReader() {}
- AnnexBBufferReader(const AnnexBBufferReader& other) = delete;
- void operator=(const AnnexBBufferReader& other) = delete;
-
- // Returns a pointer to the beginning of the next NALU slice without the
- // header bytes and its length. Returns false if no more slices remain.
- bool ReadNalu(const uint8_t** out_nalu, size_t* out_length);
-
- // Returns the number of unread NALU bytes, including the size of the header.
- // If the buffer has no remaining NALUs this will return zero.
- size_t BytesRemaining() const;
-
- private:
- // Returns the the next offset that contains NALU data.
- size_t FindNextNaluHeader(const uint8_t* start,
- size_t length,
- size_t offset) const;
-
- const uint8_t* const start_;
- std::vector<NaluIndex> offsets_;
- std::vector<NaluIndex>::iterator offset_;
- const size_t length_;
-};
-
-// Helper class for writing NALUs using avcc format into a buffer.
-class AvccBufferWriter final {
- public:
- AvccBufferWriter(uint8_t* const avcc_buffer, size_t length);
- ~AvccBufferWriter() {}
- AvccBufferWriter(const AvccBufferWriter& other) = delete;
- void operator=(const AvccBufferWriter& other) = delete;
-
- // Writes the data slice into the buffer. Returns false if there isn't
- // enough space left.
- bool WriteNalu(const uint8_t* data, size_t data_size);
-
- // Returns the unused bytes in the buffer.
- size_t BytesRemaining() const;
-
- private:
- uint8_t* const start_;
- size_t offset_;
- const size_t length_;
-};
-
-} // namespace webrtc
-
-#endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_NALU_REWRITER_H_

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