61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#ifndef ZM_FFMPEG_INPUT_H
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#define ZM_FFMPEG_INPUT_H
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#include "zm_define.h"
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#include "zm_ffmpeg.h"
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libavformat/avio.h>
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#include <libavcodec/avcodec.h>
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}
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class FFmpeg_Input {
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public:
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FFmpeg_Input();
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~FFmpeg_Input();
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int Open(const char *filename );
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int Open(
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const AVStream *,
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const AVCodecContext *,
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const AVStream *,
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const AVCodecContext *);
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int Close();
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AVFrame *get_frame(int stream_id=-1);
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AVFrame *get_frame(int stream_id, double at);
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int get_video_stream_id() const {
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return video_stream_id;
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}
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int get_audio_stream_id() const {
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return audio_stream_id;
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}
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AVStream *get_video_stream() {
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return ( video_stream_id >= 0 ) ? input_format_context->streams[video_stream_id] : nullptr;
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}
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AVStream *get_audio_stream() {
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return ( audio_stream_id >= 0 ) ? input_format_context->streams[audio_stream_id] : nullptr;
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}
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AVFormatContext *get_format_context() { return input_format_context; };
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AVCodecContext *get_video_codec_context() { return ( video_stream_id >= 0 ) ? streams[video_stream_id].context : nullptr; };
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AVCodecContext *get_audio_codec_context() { return ( audio_stream_id >= 0 ) ? streams[audio_stream_id].context : nullptr; };
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private:
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typedef struct {
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AVCodecContext *context;
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const AVCodec *codec;
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int frame_count;
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} stream;
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stream *streams;
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int video_stream_id;
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int audio_stream_id;
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AVFormatContext *input_format_context;
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av_frame_ptr frame;
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int64_t last_seek_request;
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AVBufferRef *hw_device_ctx;
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};
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#endif
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