H.264 video codec support using OpenH264/FFmpeg

webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h

Index: webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h
diff --git a/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h b/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.h
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index 0000000000000000000000000000000000000000..3d2f6fdcfba9231ba6c1731056ffb75bdd153131
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+/*
+ *  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_MODULES_VIDEO_CODING_CODECS_H264_DECODER_IMPL_H_
+#define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_DECODER_IMPL_H_
+
+#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
+
+class ISVCDecoder;
+
+namespace webrtc {
+
+class H264DecoderImpl : public H264Decoder {
+ public:
+  H264DecoderImpl();
+  ~H264DecoderImpl() override;
+
+  // |number_of_cores| is ignored. |codec_settings| is also ignored except if
+  // it's not null then |codec_settings->codecType| must be kVideoCodecH264.
+  int32_t InitDecode(const VideoCodec* codec_settings,
+                     int32_t /*number_of_cores*/) override;
+  int32_t Release() override;
+  int32_t Reset() override;
+
+  int32_t RegisterDecodeCompleteCallback(
+      DecodedImageCallback* callback) override;
+
+  // |missing_frames|, |fragmentation| and |render_time_ms| are ignored.
+  int32_t Decode(const EncodedImage& input_image,
+                 bool /*missing_frames*/,
+                 const RTPFragmentationHeader* /*fragmentation*/,
+                 const CodecSpecificInfo* codec_specific_info = nullptr,
+                 int64_t render_time_ms = -1) override;
+
+  bool IsInitialized();
+
+ private:
+  ISVCDecoder* openh264_decoder_;
+
+  VideoFrame decoded_image_;
+  DecodedImageCallback* decoded_image_callback_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_DECODER_IMPL_H_