Index: webrtc/modules/rtp_rtcp/source/h264/h264_common.h |
diff --git a/webrtc/modules/rtp_rtcp/source/h264/h264_common.h b/webrtc/modules/rtp_rtcp/source/h264/h264_common.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..71d4d32baa7f1be4b7a8b8a78cd0c4bdffbd2431 |
--- /dev/null |
+++ b/webrtc/modules/rtp_rtcp/source/h264/h264_common.h |
@@ -0,0 +1,46 @@ |
+/* |
+ * Copyright (c) 2016 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_MODULES_RTP_RTCP_SOURCE_H264_H264_COMMON_H_ |
+#define WEBRTC_MODULES_RTP_RTCP_SOURCE_H264_H264_COMMON_H_ |
+ |
+#include <memory> |
+#include <vector> |
+ |
+#include "webrtc/base/common.h" |
+#include "webrtc/base/bytebuffer.h" |
+ |
+namespace webrtc { |
+ |
+class H264Common { |
+ public: |
+ // The size of a NALU header {0 0 0 1}. |
noahric
2016/05/18 01:35:06
Three byte start codes are also valid, but assumin
sprang_webrtc
2016/05/20 16:11:00
I think this has worked because the standard manda
|
+ static const size_t kNaluHeaderSize; |
+ |
+ // The size of a NALU header plus the type byte. |
+ static const size_t kNaluHeaderAndTypeSize; |
+ |
+ enum NaluType : uint8_t { kSps = 0x7, kPps = 0x8, kIdr = 0x5 }; |
noahric
2016/05/18 01:35:07
While you are here, add Sei, in case someone needs
sprang_webrtc
2016/05/20 16:11:00
Done.
|
+ enum SliceType : uint8_t { P = 0, B = 1, I = 2, Sp = 3, Si = 4 }; |
+ |
+ // Returns a vector of the NALU start sequences (0 0 0 1) in the given buffer. |
noahric
2016/05/18 01:35:06
My bad (it was my comment originally), but I'd rep
sprang_webrtc
2016/05/20 16:11:00
Changed this to contain both offset of nal header
|
+ static std::vector<size_t> FindNaluStartOffsets(const uint8_t* buffer, |
+ size_t buffer_size); |
+ static NaluType ParseNaluType(uint8_t data); |
noahric
2016/05/18 01:35:07
Comments for these would help.
sprang_webrtc
2016/05/20 16:11:00
Done.
|
+ static std::unique_ptr<rtc::ByteBufferWriter> ParseRbsp(const uint8_t* data, |
+ size_t length); |
+ static void WriteRbsp(const uint8_t* bytes, |
+ size_t length, |
+ rtc::ByteBufferWriter* destination); |
+}; |
+ |
+} // namespace webrtc |
+ |
+#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_H264_H264_COMMON_H_ |