ffmpeg最新版本编译的ffplay

/*common.h中使用*/ #ifndef INT64_C #define INT64_C(c) (c ## LL) #define UINT64_C(c) (c ## ULL) #endif #if !defined(isnan) #define isnan(val) _isnan(val) #endif extern "C" { /*导入ffmpeg相关包*/ #include <inttypes.h> #include <math.h> #include <limits.h> #include <signal.h> #include "libavutil/avstring.h" #include "libavutil/colorspace.h" #include "libavutil/mathematics.h" #include "libavutil/pixdesc.h" #include "libavutil/imgutils.h" #include "libavutil/dict.h" #include "libavutil/parseutils.h" #include "libavutil/samplefmt.h" #include "libavutil/avassert.h" #include "libavutil/time.h" #include "libavformat/avformat.h" #include "libavdevice/avdevice.h" #include "libswscale/swscale.h" #include "libavutil/opt.h" #include "libavcodec/avfft.h" #include "libswresample/swresample.h" /*导入SDL相关包*/ #include "SDL\SDL.h" #include "SDL\SDL_thread.h" #include <assert.h> } /*系统包*/ #pragma comment(lib,"winmm.lib") #pragma comment(lib, "wsock32.lib") #include <tchar.h> #include <float.h> #include <Windows.h> #include <stdint.h> #include <math.h> #define MAX_QUEUE_SIZE (15 * 1024 * 1024) #define MIN_FRAMES 5 /* SDL audio buffer size, in samples. Should be small to have precise A/V sync as SDL does not have hardware buffer fullness info. */ #define SDL_AUDIO_BUFFER_SIZE 1024 /* no AV sync correction is done if below the minimum AV sync threshold */ #define AV_SYNC_THRESHOLD_MIN 0.01 /* AV sync correction is done if above the maximum AV sync threshold */ #define AV_SYNC_THRESHOLD_MAX 0.1 /* If a frame duration is longer than this, it will not be duplicated to compensate AV sync */ #define AV_SYNC_FRAMEDUP_THRESHOLD 0.1 /* no AV correction is done if too big error */ #define AV_NOSYNC_THRESHOLD 10.0 /* maximum audio speed change to get correct sync */ #define SAMPLE_CORRECTION_PERCENT_MAX 10 /* external clock speed adjustment constants for realtime sources based on buffer fullness */ #define EXTERNAL_CLOCK_SPEED_MIN 0.900 #define EXTERNAL_CLOCK_SPEED_MAX 1.010 #define EXTERNAL_CLOCK_SPEED_STEP 0.001 /* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */ #define AUDIO_DIFF_AVG_NB 20 /* polls for possible required screen refresh at least this often, should be less than 1/fps */ #define REFRESH_RATE 0.01 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */ /* TODO: We assume that a decoded and resampled frame fits into this buffer */ #define SAMPLE_ARRAY_SIZE (8 * 65536) #define CURSOR_HIDE_DELAY 1000000 static int64_t sws_flags = SWS_BICUBIC; typedef struct MyAVPacketList { AVPacket pkt; struct MyAVPacketList *next; int serial; } MyAVPacketList; typedef struct PacketQueue { MyAVPacketList *first_pkt, *last_pkt; int nb_packets; int size; int abort_request; int serial; SDL_mutex *mutex; SDL_cond *cond; } PacketQueue; #define VIDEO_PICTURE_QUEUE_SIZE 3 #define SUBPICTURE_QUEUE_SIZE 4 typedef struct VideoPicture { double pts; // presentation timestamp for this picture int64_t pos; // byte position in file SDL_Overlay *bmp; int width, height; /* source height & width */ int allocated; int reallocate; int serial; AVRational sar; } VideoPicture; typedef struct SubPicture { double pts; /* presentation time stamp for this picture */ AVSubtitle sub; int serial; } SubPicture; typedef struct AudioParams { int freq; int channels; int64_t channel_layout; enum AVSampleFormat fmt; } AudioParams; typedef struct Clock { double pts; /* clock base */ double pts_drift; /* clock base minus time at which we updated the clock */ double last_updated; double speed; int serial; /* clock is based on a packet with this serial */ int paused; int *queue_serial; /* pointer to the current packet queue serial, used for obsolete clock detection */ } Clock; enum { AV_SYNC_AUDIO_MASTER, /* default choice */ AV_SYNC_VIDEO_MASTER, AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */ }; enum ShowMode { SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB } ShowMode; typedef struct VideoState { SDL_Thread *read_tid; SDL_Thread *video_tid; AVInputFormat *iformat; AVDictionary *format_opts; int no_background; int abort_request; int force_refresh; int paused; int last_paused; int queue_attachments_req; int seek_req; int seek_flags; int64_t seek_pos; int64_t seek_rel; int read_pause_return; AVFormatContext *ic; int realtime; Clock audclk; Clock vidclk; Clock extclk; int audio_stream; int av_sync_type; double audio_clock; int audio_clock_serial; double audio_diff_cum; /* used for AV difference average computation */ double audio_diff_avg_coef; double audio_diff_threshold; int audio_diff_avg_count; AVStream *audio_st; PacketQueue audioq; int audio_hw_buf_size; uint8_t silence_buf[SDL_AUDIO_BUFFER_SIZE]; uint8_t *audio_buf; uint8_t *audio_buf1; unsigned int audio_buf_size; /* in bytes */ unsigned int audio_buf1_size; int audio_buf_index; /* in bytes */ int audio_write_buf_size; int audio_buf_frames_pending; AVPacket audio_pkt_temp; AVPacket audio_pkt; int audio_pkt_temp_serial; int audio_last_serial; struct AudioParams audio_src; struct AudioParams audio_tgt; struct SwrContext *swr_ctx; int frame_drops_early; int frame_drops_late; AVFrame *frame; int show_mode; int16_t sample_array[SAMPLE_ARRAY_SIZE]; int sample_array_index; int last_i_start; RDFTContext *rdft; int rdft_bits; FFTSample *rdft_data; int xpos; double last_vis_time; SDL_Thread *subtitle_tid; int subtitle_stream; AVStream *subtitle_st; PacketQueue subtitleq; SubPicture subpq[SUBPICTURE_QUEUE_SIZE]; int subpq_size, subpq_rindex, subpq_windex; SDL_mutex *subpq_mutex; SDL_cond *subpq_cond; double frame_timer; double frame_last_pts; double frame_last_duration; double frame_last_dropped_pts; double frame_last_returned_time; double frame_last_filter_delay; int64_t frame_last_dropped_pos; int frame_last_dropped_serial; int video_stream; AVStream *video_st; PacketQueue videoq; int64_t video_current_pos; // current displayed file pos double max_frame_duration; // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE]; int pictq_size, pictq_rindex, pictq_windex; SDL_mutex *pictq_mutex; SDL_cond *pictq_cond; struct SwsContext *img_convert_ctx; SDL_Rect last_display_rect; char filename[1024]; int width, height, xleft, ytop; int step; int last_video_stream, last_audio_stream, last_subtitle_stream; SDL_cond *continue_read_thread; } VideoState; /* options specified by the user */ static AVInputFormat *file_iformat; static const char *input_filename; static const char *window_title; static int fs_screen_width; static int fs_screen_height; static int default_width = 640; static int default_height = 480; static int screen_width = 0; static int screen_height = 0; static int audio_disable; static int video_disable; static int subtitle_disable; static int wanted_stream[AVMEDIA_TYPE_NB] = { -1, -1,-1,}; static int seek_by_bytes = -1; static int display_disable; static int show_status = 1; static int av_sync_type = AV_SYNC_AUDIO_MASTER; static int64_t start_time = AV_NOPTS_VALUE; static int64_t duration = AV_NOPTS_VALUE;