xufuji456
3 years ago
parent
015e310d6a
commit
a54600cb32
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//
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// Created by frank on 2021/10/31.
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//
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#ifndef FFMPEGANDROID_FFMPEG_COMMON_H |
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#define FFMPEGANDROID_FFMPEG_COMMON_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "cmdutils.h" |
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#include "config.h" |
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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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#include "libavfilter/avfilter.h" |
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#include "libavutil/avutil.h" |
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#include "libavutil/dict.h" |
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#include "libavutil/eval.h" |
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#include "libavutil/fifo.h" |
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#include "libavutil/hwcontext.h" |
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#include "libavutil/pixfmt.h" |
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#include "libavutil/rational.h" |
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#include "libavutil/thread.h" |
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#include "libavutil/threadmessage.h" |
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#include "libswresample/swresample.h" |
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#ifdef __cplusplus |
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} |
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#endif |
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enum forced_keyframes_const { |
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FKF_N, |
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FKF_N_FORCED, |
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FKF_PREV_FORCED_N, |
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FKF_PREV_FORCED_T, |
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FKF_T, |
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FKF_NB |
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}; |
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typedef enum { |
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ENCODER_FINISHED = 1, |
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MUXER_FINISHED = 2, |
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} OSTFinished ; |
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enum HWAccelID { |
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HWACCEL_NONE = 0, |
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HWACCEL_AUTO, |
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HWACCEL_GENERIC, |
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HWACCEL_VIDEOTOOLBOX, |
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HWACCEL_QSV, |
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HWACCEL_CUVID, |
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}; |
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typedef struct HWAccel { |
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const char *name; |
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int (*init)(AVCodecContext *s); |
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enum HWAccelID id; |
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enum AVPixelFormat pix_fmt; |
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} HWAccel; |
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typedef struct HWDevice { |
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const char *name; |
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enum AVHWDeviceType type; |
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AVBufferRef *device_ref; |
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} HWDevice; |
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typedef struct InputFilter { |
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AVFilterContext *filter; |
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struct InputStream *ist; |
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struct FilterGraph *graph; |
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uint8_t *name; |
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enum AVMediaType type; // AVMEDIA_TYPE_SUBTITLE for sub2video
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AVFifoBuffer *frame_queue; |
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// parameters configured for this input
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int format; |
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int width, height; |
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AVRational sample_aspect_ratio; |
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int sample_rate; |
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int channels; |
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uint64_t channel_layout; |
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AVBufferRef *hw_frames_ctx; |
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int eof; |
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} InputFilter; |
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typedef struct OutputFilter { |
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AVFilterContext *filter; |
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struct OutputStream *ost; |
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struct FilterGraph *graph; |
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uint8_t *name; |
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/* temporary storage until stream maps are processed */ |
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AVFilterInOut *out_tmp; |
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enum AVMediaType type; |
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/* desired output stream properties */ |
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int width, height; |
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AVRational frame_rate; |
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int format; |
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int sample_rate; |
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uint64_t channel_layout; |
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// those are only set if no format is specified and the encoder gives us multiple options
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int *formats; |
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uint64_t *channel_layouts; |
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int *sample_rates; |
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} OutputFilter; |
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typedef struct InputStream { |
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int file_index; |
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AVStream *st; |
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int discard; /* true if stream data should be discarded */ |
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int user_set_discard; |
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int decoding_needed; /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */ |
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#define DECODING_FOR_OST 1 |
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#define DECODING_FOR_FILTER 2 |
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AVCodecContext *dec_ctx; |
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AVCodec *dec; |
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AVFrame *decoded_frame; |
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AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */ |
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int64_t start; /* time when read started */ |
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/* predicted dts of the next packet read for this stream or (when there are
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* several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */ |
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int64_t next_dts; |
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int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
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int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
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int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
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int wrap_correction_done; |
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int64_t filter_in_rescale_delta_last; |
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int64_t min_pts; /* pts with the smallest value in a current stream */ |
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int64_t max_pts; /* pts with the higher value in a current stream */ |
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// when forcing constant input framerate through -r,
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// this contains the pts that will be given to the next decoded frame
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int64_t cfr_next_pts; |
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int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */ |
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double ts_scale; |
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int saw_first_ts; |
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AVDictionary *decoder_opts; |
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AVRational framerate; /* framerate forced with -r */ |
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int top_field_first; |
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int guess_layout_max; |
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int autorotate; |
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int fix_sub_duration; |
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struct { /* previous decoded subtitle and related variables */ |
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int got_output; |
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int ret; |
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AVSubtitle subtitle; |
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} prev_sub; |
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struct sub2video { |
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int64_t last_pts; |
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int64_t end_pts; |
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AVFifoBuffer *sub_queue; ///< queue of AVSubtitle* before filter init
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AVFrame *frame; |
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int w, h; |
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} sub2video; |
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int dr1; |
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/* decoded data from this stream goes into all those filters
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* currently video and audio only */ |
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InputFilter **filters; |
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int nb_filters; |
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int reinit_filters; |
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/* hwaccel options */ |
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enum HWAccelID hwaccel_id; |
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enum AVHWDeviceType hwaccel_device_type; |
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char *hwaccel_device; |
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enum AVPixelFormat hwaccel_output_format; |
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/* hwaccel context */ |
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void *hwaccel_ctx; |
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void (*hwaccel_uninit)(AVCodecContext *s); |
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int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags); |
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int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame); |
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enum AVPixelFormat hwaccel_pix_fmt; |
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enum AVPixelFormat hwaccel_retrieved_pix_fmt; |
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AVBufferRef *hw_frames_ctx; |
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/* stats */ |
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// combined size of all the packets read
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uint64_t data_size; |
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/* number of packets successfully read for this stream */ |
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uint64_t nb_packets; |
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// number of frames/samples retrieved from the decoder
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uint64_t frames_decoded; |
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uint64_t samples_decoded; |
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int64_t *dts_buffer; |
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int nb_dts_buffer; |
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int got_output; |
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} InputStream; |
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typedef struct OutputStream { |
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int file_index; /* file index */ |
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int index; /* stream index in the output file */ |
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int source_index; /* InputStream index */ |
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AVStream *st; /* stream in the output file */ |
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int encoding_needed; /* true if encoding needed for this stream */ |
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int frame_number; |
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/* input pts and corresponding output pts
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for A/V sync */ |
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struct InputStream *sync_ist; /* input stream to sync against */ |
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int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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/* pts of the first frame encoded for this stream, used for limiting
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* recording time */ |
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int64_t first_pts; |
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/* dts of the last packet sent to the muxer */ |
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int64_t last_mux_dts; |
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// the timebase of the packets sent to the muxer
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AVRational mux_timebase; |
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AVRational enc_timebase; |
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int nb_bitstream_filters; |
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AVBSFContext **bsf_ctx; |
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AVCodecContext *enc_ctx; |
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AVCodecParameters *ref_par; /* associated input codec parameters with encoders options applied */ |
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AVCodec *enc; |
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int64_t max_frames; |
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AVFrame *filtered_frame; |
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AVFrame *last_frame; |
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int last_dropped; |
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int last_nb0_frames[3]; |
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void *hwaccel_ctx; |
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/* video only */ |
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AVRational frame_rate; |
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int is_cfr; |
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int force_fps; |
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int top_field_first; |
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int rotate_overridden; |
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double rotate_override_value; |
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AVRational frame_aspect_ratio; |
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/* forced key frames */ |
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int64_t forced_kf_ref_pts; |
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int64_t *forced_kf_pts; |
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int forced_kf_count; |
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int forced_kf_index; |
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char *forced_keyframes; |
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AVExpr *forced_keyframes_pexpr; |
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double forced_keyframes_expr_const_values[FKF_NB]; |
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/* audio only */ |
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int *audio_channels_map; /* list of the channels id to pick from the source stream */ |
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int audio_channels_mapped; /* number of channels in audio_channels_map */ |
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char *logfile_prefix; |
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FILE *logfile; |
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OutputFilter *filter; |
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char *avfilter; |
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char *filters; ///< filtergraph associated to the -filter option
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char *filters_script; ///< filtergraph script associated to the -filter_script option
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AVDictionary *encoder_opts; |
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AVDictionary *sws_dict; |
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AVDictionary *swr_opts; |
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AVDictionary *resample_opts; |
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char *apad; |
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OSTFinished finished; /* no more packets should be written for this stream */ |
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int unavailable; /* true if the steram is unavailable (possibly temporarily) */ |
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int stream_copy; |
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// init_output_stream() has been called for this stream
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// The encoder and the bitstream filters have been initialized and the stream
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// parameters are set in the AVStream.
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int initialized; |
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int inputs_done; |
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const char *attachment_filename; |
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int copy_initial_nonkeyframes; |
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int copy_prior_start; |
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char *disposition; |
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int keep_pix_fmt; |
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/* stats */ |
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// combined size of all the packets written
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uint64_t data_size; |
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// number of packets send to the muxer
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uint64_t packets_written; |
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// number of frames/samples sent to the encoder
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uint64_t frames_encoded; |
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uint64_t samples_encoded; |
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/* packet quality factor */ |
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int quality; |
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int max_muxing_queue_size; |
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/* the packets are buffered here until the muxer is ready to be initialized */ |
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AVFifoBuffer *muxing_queue; |
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/* packet picture type */ |
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int pict_type; |
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/* frame encode sum of squared error values */ |
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int64_t error[4]; |
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} OutputStream; |
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/* select an input stream for an output stream */ |
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typedef struct StreamMap { |
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int disabled; /* 1 is this mapping is disabled by a negative map */ |
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int file_index; |
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int stream_index; |
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int sync_file_index; |
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int sync_stream_index; |
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char *linklabel; /* name of an output link, for mapping lavfi outputs */ |
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} StreamMap; |
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typedef struct { |
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int file_idx, stream_idx, channel_idx; // input
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int ofile_idx, ostream_idx; // output
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} AudioChannelMap; |
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typedef struct OptionsContext { |
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OptionGroup *g; |
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/* input/output options */ |
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int64_t start_time; |
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int64_t start_time_eof; |
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int seek_timestamp; |
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const char *format; |
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SpecifierOpt *codec_names; |
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int nb_codec_names; |
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SpecifierOpt *audio_channels; |
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int nb_audio_channels; |
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SpecifierOpt *audio_sample_rate; |
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int nb_audio_sample_rate; |
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SpecifierOpt *frame_rates; |
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int nb_frame_rates; |
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SpecifierOpt *frame_sizes; |
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int nb_frame_sizes; |
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SpecifierOpt *frame_pix_fmts; |
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int nb_frame_pix_fmts; |
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/* input options */ |
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int64_t input_ts_offset; |
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int loop; |
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int rate_emu; |
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int accurate_seek; |
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int thread_queue_size; |
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SpecifierOpt *ts_scale; |
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int nb_ts_scale; |
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SpecifierOpt *dump_attachment; |
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int nb_dump_attachment; |
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SpecifierOpt *hwaccels; |
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int nb_hwaccels; |
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SpecifierOpt *hwaccel_devices; |
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int nb_hwaccel_devices; |
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SpecifierOpt *hwaccel_output_formats; |
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int nb_hwaccel_output_formats; |
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SpecifierOpt *autorotate; |
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int nb_autorotate; |
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/* output options */ |
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StreamMap *stream_maps; |
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int nb_stream_maps; |
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AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */ |
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int nb_audio_channel_maps; /* number of (valid) -map_channel settings */ |
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int metadata_global_manual; |
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int metadata_streams_manual; |
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int metadata_chapters_manual; |
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const char **attachments; |
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int nb_attachments; |
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int chapters_input_file; |
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int64_t recording_time; |
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int64_t stop_time; |
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uint64_t limit_filesize; |
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float mux_preload; |
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float mux_max_delay; |
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int shortest; |
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int bitexact; |
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int video_disable; |
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int audio_disable; |
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int subtitle_disable; |
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int data_disable; |
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/* indexed by output file stream index */ |
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int *streamid_map; |
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int nb_streamid_map; |
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SpecifierOpt *metadata; |
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int nb_metadata; |
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SpecifierOpt *max_frames; |
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int nb_max_frames; |
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SpecifierOpt *bitstream_filters; |
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int nb_bitstream_filters; |
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SpecifierOpt *codec_tags; |
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int nb_codec_tags; |
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SpecifierOpt *sample_fmts; |
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int nb_sample_fmts; |
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SpecifierOpt *qscale; |
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int nb_qscale; |
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SpecifierOpt *forced_key_frames; |
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int nb_forced_key_frames; |
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SpecifierOpt *force_fps; |
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int nb_force_fps; |
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SpecifierOpt *frame_aspect_ratios; |
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int nb_frame_aspect_ratios; |
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SpecifierOpt *rc_overrides; |
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int nb_rc_overrides; |
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SpecifierOpt *intra_matrices; |
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int nb_intra_matrices; |
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SpecifierOpt *inter_matrices; |
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int nb_inter_matrices; |
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SpecifierOpt *chroma_intra_matrices; |
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int nb_chroma_intra_matrices; |
||||||
|
SpecifierOpt *top_field_first; |
||||||
|
int nb_top_field_first; |
||||||
|
SpecifierOpt *metadata_map; |
||||||
|
int nb_metadata_map; |
||||||
|
SpecifierOpt *presets; |
||||||
|
int nb_presets; |
||||||
|
SpecifierOpt *copy_initial_nonkeyframes; |
||||||
|
int nb_copy_initial_nonkeyframes; |
||||||
|
SpecifierOpt *copy_prior_start; |
||||||
|
int nb_copy_prior_start; |
||||||
|
SpecifierOpt *filters; |
||||||
|
int nb_filters; |
||||||
|
SpecifierOpt *filter_scripts; |
||||||
|
int nb_filter_scripts; |
||||||
|
SpecifierOpt *reinit_filters; |
||||||
|
int nb_reinit_filters; |
||||||
|
SpecifierOpt *fix_sub_duration; |
||||||
|
int nb_fix_sub_duration; |
||||||
|
SpecifierOpt *canvas_sizes; |
||||||
|
int nb_canvas_sizes; |
||||||
|
SpecifierOpt *pass; |
||||||
|
int nb_pass; |
||||||
|
SpecifierOpt *passlogfiles; |
||||||
|
int nb_passlogfiles; |
||||||
|
SpecifierOpt *max_muxing_queue_size; |
||||||
|
int nb_max_muxing_queue_size; |
||||||
|
SpecifierOpt *guess_layout_max; |
||||||
|
int nb_guess_layout_max; |
||||||
|
SpecifierOpt *apad; |
||||||
|
int nb_apad; |
||||||
|
SpecifierOpt *discard; |
||||||
|
int nb_discard; |
||||||
|
SpecifierOpt *disposition; |
||||||
|
int nb_disposition; |
||||||
|
SpecifierOpt *program; |
||||||
|
int nb_program; |
||||||
|
SpecifierOpt *time_bases; |
||||||
|
int nb_time_bases; |
||||||
|
SpecifierOpt *enc_time_bases; |
||||||
|
int nb_enc_time_bases; |
||||||
|
} OptionsContext; |
||||||
|
|
||||||
|
typedef struct FilterGraph { |
||||||
|
int index; |
||||||
|
const char *graph_desc; |
||||||
|
|
||||||
|
AVFilterGraph *graph; |
||||||
|
int reconfiguration; |
||||||
|
|
||||||
|
InputFilter **inputs; |
||||||
|
int nb_inputs; |
||||||
|
OutputFilter **outputs; |
||||||
|
int nb_outputs; |
||||||
|
} FilterGraph; |
||||||
|
|
||||||
|
typedef struct InputFile { |
||||||
|
AVFormatContext *ctx; |
||||||
|
int eof_reached; /* true if eof reached */ |
||||||
|
int eagain; /* true if last read attempt returned EAGAIN */ |
||||||
|
int ist_index; /* index of first stream in input_streams */ |
||||||
|
int loop; /* set number of times input stream should be looped */ |
||||||
|
int64_t duration; /* actual duration of the longest stream in a file
|
||||||
|
at the moment when looping happens */ |
||||||
|
AVRational time_base; /* time base of the duration */ |
||||||
|
int64_t input_ts_offset; |
||||||
|
|
||||||
|
int64_t ts_offset; |
||||||
|
int64_t last_ts; |
||||||
|
int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */ |
||||||
|
int seek_timestamp; |
||||||
|
int64_t recording_time; |
||||||
|
int nb_streams; /* number of stream that ffmpeg is aware of; may be different
|
||||||
|
from ctx.nb_streams if new streams appear during av_read_frame() */ |
||||||
|
int nb_streams_warn; /* number of streams that the user was warned of */ |
||||||
|
int rate_emu; |
||||||
|
int accurate_seek; |
||||||
|
|
||||||
|
#if HAVE_THREADS |
||||||
|
AVThreadMessageQueue *in_thread_queue; |
||||||
|
pthread_t thread; /* thread reading from this file */ |
||||||
|
int non_blocking; /* reading packets from the thread should not block */ |
||||||
|
int joined; /* the thread has been joined */ |
||||||
|
int thread_queue_size; /* maximum number of queued packets */ |
||||||
|
#endif |
||||||
|
} InputFile; |
||||||
|
|
||||||
|
typedef struct OutputFile { |
||||||
|
AVFormatContext *ctx; |
||||||
|
AVDictionary *opts; |
||||||
|
int ost_index; /* index of the first stream in output_streams */ |
||||||
|
int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
|
||||||
|
int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
|
||||||
|
uint64_t limit_filesize; /* filesize limit expressed in bytes */ |
||||||
|
|
||||||
|
int shortest; |
||||||
|
|
||||||
|
int header_written; |
||||||
|
} OutputFile; |
||||||
|
|
||||||
|
#endif //FFMPEGANDROID_FFMPEG_COMMON_H
|
||||||
@ -0,0 +1,28 @@ |
|||||||
|
//
|
||||||
|
// Created by frank on 2021/10/31.
|
||||||
|
//
|
||||||
|
|
||||||
|
#ifndef FFMPEGANDROID_FFMPEG_HW_H |
||||||
|
#define FFMPEGANDROID_FFMPEG_HW_H |
||||||
|
|
||||||
|
#include "ffmpeg_common.h" |
||||||
|
|
||||||
|
#ifdef __cplusplus |
||||||
|
extern "C" { |
||||||
|
#endif |
||||||
|
HWDevice *hw_device_get_by_name(const char *name); |
||||||
|
|
||||||
|
int hw_device_init_from_string(const char *arg, HWDevice **dev_out); |
||||||
|
|
||||||
|
void hw_device_free_all(void); |
||||||
|
|
||||||
|
int hw_device_setup_for_decode(InputStream *ist); |
||||||
|
|
||||||
|
int hw_device_setup_for_encode(OutputStream *ost); |
||||||
|
|
||||||
|
int hwaccel_decode_init(AVCodecContext *avctx); |
||||||
|
#ifdef __cplusplus |
||||||
|
} |
||||||
|
#endif |
||||||
|
|
||||||
|
#endif //FFMPEGANDROID_FFMPEG_HW_H
|
||||||
Loading…
Reference in new issue