61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MEDIA_FORMATS_MP2T_ES_PARSER_H264_H_
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#define MEDIA_FORMATS_MP2T_ES_PARSER_H264_H_
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#include <stdint.h>
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#include "packager/base/callback.h"
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#include "packager/base/memory/scoped_ptr.h"
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#include "packager/media/formats/mp2t/es_parser_h26x.h"
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namespace edash_packager {
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namespace media {
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class H264Parser;
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namespace mp2t {
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// Remark:
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// In this h264 parser, frame splitting is based on AUD nals.
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// Mpeg2 TS spec: "2.14 Carriage of Rec. ITU-T H.264 | ISO/IEC 14496-10 video"
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// "Each AVC access unit shall contain an access unit delimiter NAL Unit;"
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//
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class EsParserH264 : public EsParserH26x {
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public:
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EsParserH264(uint32_t pid,
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const NewStreamInfoCB& new_stream_info_cb,
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const EmitSampleCB& emit_sample_cb);
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~EsParserH264() override;
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// EsParserH26x implementation override.
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void Reset() override;
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private:
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// Processes a NAL unit found in ParseInternal. The @a pps_id_for_access_unit
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// value will be passed to UpdateVideoDecoderConfig.
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bool ProcessNalu(const Nalu& nalu,
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bool* is_key_frame,
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int* pps_id_for_access_unit) override;
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// Update the video decoder config based on an H264 SPS.
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// Return true if successful.
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bool UpdateVideoDecoderConfig(int sps_id) override;
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// Callback to pass the stream configuration.
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NewStreamInfoCB new_stream_info_cb_;
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scoped_refptr<StreamInfo> last_video_decoder_config_;
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bool decoder_config_check_pending_;
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scoped_ptr<H264Parser> h264_parser_;
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};
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} // namespace mp2t
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} // namespace media
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} // namespace edash_packager
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#endif
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