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42 lines
1.6 KiB
42 lines
1.6 KiB
/*
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* Created by frank on 2022/2/23
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*
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* part of code from William Seemann
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*/
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#ifndef METADATA_UTIL_H_
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#define METADATA_UTIL_H_
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#include "libavutil/opt.h"
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#include "libavcodec/avcodec.h"
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#include "libavformat/avformat.h"
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static const char *DURATION = "duration";
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static const char *AUDIO_CODEC = "audio_codec";
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static const char *VIDEO_CODEC = "video_codec";
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static const char *ROTATE = "rotate";
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static const char *FRAME_RATE = "frame_rate";
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static const char *FILE_SIZE = "file_size";
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static const char *VIDEO_WIDTH = "video_width";
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static const char *VIDEO_HEIGHT = "video_height";
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static const char *MIME_TYPE = "mime_type";
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static const char *SAMPLE_RATE = "sample_rate";
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static const char *CHANNEL_COUNT = "channel_count";
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static const char *CHANNEL_LAYOUT = "channel_layout";
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static const int SUCCESS = 0;
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static const int FAILURE = -1;
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void set_duration(AVFormatContext *ic);
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void set_file_size(AVFormatContext *ic);
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void set_mimetype(AVFormatContext *ic);
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void set_codec(AVFormatContext *ic, int i);
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void set_sample_rate(AVFormatContext *ic, AVStream *stream);
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void set_channel_count(AVFormatContext *ic, AVStream *stream);
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void set_channel_layout(AVFormatContext *ic, AVStream *stream);
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void set_video_resolution(AVFormatContext *ic, AVStream *video_st);
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void set_rotation(AVFormatContext *ic, AVStream *audio_st, AVStream *video_st);
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void set_frame_rate(AVFormatContext *ic, AVStream *video_st);
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const char* extract_metadata_internal(AVFormatContext *ic, AVStream *audio_st, AVStream *video_st, const char* key);
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#endif /*METADATA_UTIL_H_*/
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