ffmpeg ffplay sdl2 移植 vs2012 工程

/* * Copyright (c) 2003 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * simple media player based on the FFmpeg libraries */ //#include "config.h" #define CONFIG_AVDEVICE 0 #define CONFIG_AVFILTER 0 #define CONFIG_RTSP_DEMUXER 0 #define CONFIG_MMSH_PROTOCOL 0 //#define DEBUG 1 extern "C" { #include <inttypes.h> #include <math.h> #include <limits.h> #include <signal.h> #include <stdint.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" #include <SDL2/SDL.h> #include <SDL2/SDL_thread.h> //#include <SDL.h> //#include <SDL_thread.h> #include "cmdutils.h" }; static const char *input_filename = "bigbuckbunny_480x272.h265"; //static const char *input_filename = "test_video.mp4"; #define ARGB(a, r, g, b) (((a)<<24)|((r)<<16)|((g)<<8)|(b)) #define av_gettime_relative av_gettime #ifndef INT64_MIN #define INT64_MIN (-0x7fffffffffffffffLL-1) #endif #ifndef INT64_MAX #define INT64_MAX INT64_C(9223372036854775807) #endif #include <assert.h> const char program_name[] = "ffplay"; const int program_birth_year = 2003; const AVRational g_base_time = {1, AV_TIME_BASE}; // g_base_time; #define MAX_QUEUE_SIZE (15 * 1024 * 1024) #define MIN_FRAMES 5 /* Minimum SDL audio buffer size, in samples. */ #define SDL_AUDIO_MIN_BUFFER_SIZE 512 /* Calculate actual buffer size keeping in mind not cause too frequent audio callbacks */ #define SDL_AUDIO_MAX_CALLBACKS_PER_SEC 30 /* no AV sync correction is done if below the minimum AV sync threshold */ #define AV_SYNC_THRESHOLD_MIN 0.04 /* 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 scr 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 AVRational make_AVR(int num,int den) { AVRational ret= {num,den}; return ret; } static av_always_inline av_const int isnan(float x) { uint32_t v = av_float2int(x); if ((v & 0x7f800000) != 0x7f800000) return 0; return v & 0x007fffff; } 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 16 #define SAMPLE_QUEUE_SIZE 9 #define FRAME_QUEUE_SIZE FFMAX(SAMPLE_QUEUE_SIZE, FFMAX(VIDEO_PICTURE_QUEUE_SIZE, SUBPICTURE_QUEUE_SIZE)) typedef struct AudioParams { int freq; int channels; int64_t channel_layout; enum AVSampleFormat fmt; int frame_size; int bytes_per_sec; } 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; /* Common struct for handling all types of decoded data and allocated render buffers. */ typedef struct Frame { AVFrame *frame; AVSubtitle sub; int serial; double pts; /* presentation timestamp for the frame */ double duration; /* estimated duration of the frame */ int64_t pos; /* byte position of the frame in the input file */ SDL_Texture *bmp; int allocated; int reallocate; int width; int height; AVRational sar; } Frame; typedef struct FrameQueue { Frame queue[FRAME_QUEUE_SIZE]; int rindex; int windex; int size; int max_size; int keep_last; int rindex_shown; SDL_mutex *mutex; SDL_cond *cond; PacketQueue *pktq; } FrameQueue; enum { AV_SYNC_AUDIO_MASTER, /* default choice */ AV_SYNC_VIDEO_MASTER, AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */ }; typedef struct Decoder { AVPacket pkt; AVPacket pkt_temp; PacketQueue *queue; AVCodecContext *avctx; int pkt_serial; int finished; int flushed; int packet_pending; SDL_cond *empty_queue_cond; int64_t start_pts; AVRational start_pts_tb; int64_t next_pts; AVRational next_pts_tb; } Decoder; typedef 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; SDL_Thread *audio_tid; AVInputFormat *iformat; 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; FrameQueue pictq; FrameQueue subpq; FrameQueue sampq; Decoder auddec; Decoder viddec; Decoder subdec; 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_MIN_BUFFER_SIZE]; uint8_t *audio_buf; uint8_t *audio_buf1; unsigned int audio_buf_size; /* in bytes */ unsigned int audio_buf1_si