mplayer.c

自己移植的linux下的流媒体播放器原代码,支持mms协议,支持ftp和http协议.

/*==============================================
 1. can play video files' audio, but can't display video
===============================================*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "config.h"
#define NO_VIDEO 1
#ifdef WIN32
#define _UWIN 1  /*disable Non-underscored versions of non-ANSI functions as otherwise int eof would conflict with eof()*/
#include <windows.h>
#endif
#include <string.h>
#include <unistd.h>

// #include <sys/mman.h>
#include <sys/types.h>
#ifndef __MINGW32__
#include <sys/ioctl.h>
#include <sys/wait.h>
#else
#define	SIGHUP	1	/* hangup */
#define	SIGQUIT	3	/* quit */
#define	SIGKILL	9	/* kill (cannot be caught or ignored) */
#define	SIGBUS	10	/* bus error */
extern int mp_input_win32_slave_cmd_func(int fd,char* dest,int size);
#endif
//==================================
#define OSD_PLAY 0x01
#define OSD_PAUSE 0x02
#define OSD_STOP 0x03
#define OSD_REW 0x04
#define OSD_FFW 0x05
#define OSD_CLOCK 0x06
#define OSD_CONTRAST 0x07
#define OSD_SATURATION 0x08
#define OSD_VOLUME 0x09
#define OSD_BRIGHTNESS 0x0A
#define OSD_HUE 0x0B
#define OSD_PANSCAN 0x50
#define OSD_PB_START 0x10
#define OSD_PB_0 0x11
#define OSD_PB_END 0x12
#define OSD_PB_1 0x13
//========================================
#include <sys/time.h>
#include <sys/stat.h>
#include <signal.h>
#include <time.h>
#include <fcntl.h>
#include <limits.h>
#include <errno.h>

#include "version.h"
#include "mp_msg.h"

#define HELP_MP_DEFINE_STATIC

#include "help_mp.h"
#include "m_option.h"
#include "m_config.h"
#include "cfg-mplayer-def.h"
#include "libao2/audio_out.h"
#include "codec-cfg.h"
#include "osdep/getch2.h"
#include "osdep/timer.h"
#include "cpudetect.h"
#include "input/input.h"

int slave_mode=0;
int verbose=0;
int identify=0;
int quiet=0;

#ifdef WIN32
char * proc_priority=NULL;
#endif

#define ABS(x) (((x)>=0)?(x):(-(x)))
#define ROUND(x) ((int)((x)<0 ? (x)-0.5 : (x)+0.5))
//**************************************************************************//
//             Playtree
//**************************************************************************//
#include "playtree.h"
#include "playtreeparser.h"

#ifdef HAVE_NEW_GUI
extern int import_playtree_playlist_into_gui(play_tree_t* my_playtree, m_config_t* config);
extern int import_initial_playtree_into_gui(play_tree_t* my_playtree, m_config_t* config, int enqueue);
#endif

play_tree_t* playtree;
play_tree_iter_t* playtree_iter = NULL;

#define PT_NEXT_ENTRY 1
#define PT_PREV_ENTRY -1
#define PT_NEXT_SRC 2
#define PT_PREV_SRC -2
#define PT_UP_NEXT 3
#define PT_UP_PREV -3

//**************************************************************************//
//             Config
//**************************************************************************//
m_config_t* mconfig;

extern play_tree_t*
m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv);
extern int
m_config_parse_config_file(m_config_t* config, char *conffile);

//**************************************************************************//
//             Config file
//**************************************************************************//

static int cfg_inc_verbose(m_option_t *conf){ ++verbose; return 0;}

static int cfg_include(m_option_t *conf, char *filename){
	return m_config_parse_config_file(mconfig, filename);
}

#include "get_path.c"

//**************************************************************************//
//             Input media streaming & demultiplexer:
//**************************************************************************//

static int max_framesize=0;

#include "libmpdemux/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/stheader.h"

#include "libmpcodecs/dec_audio.h"
//#include "libmpcodecs/dec_video.h"
#include "libmpcodecs/mp_image.h"
//#include "libmpcodecs/vf.h"

extern void vf_list_plugins();

//**************************************************************************//

// Common FIFO functions, and keyboard/event FIFO code
#include "fifo.c"
int noconsolecontrols=0;
//**************************************************************************//
ao_functions_t *audio_out=NULL;

int fixed_vo=0;
int eof=0;

// benchmark:
double video_time_usage=0;
double vout_time_usage=0;
static double audio_time_usage=0;
static int total_time_usage_start=0;
static int total_frame_cnt=0;
static int drop_frame_cnt=0; // total number of dropped frames
int benchmark=0;

// options:
       int auto_quality=0;
static int output_quality=0;

float playback_speed=1.0;

int use_gui=0;

#ifdef HAVE_NEW_GUI
int enqueue=0;
#endif

#define MAX_OSD_LEVEL 3

int osd_level=1;
int osd_level_saved=-1;
int osd_visible=100;

// seek:
static char *seek_to_sec=NULL;
static off_t seek_to_byte=0;
static off_t step_sec=0;
static int loop_times=-1;
static int loop_seek=0;

// may be changed by GUI:  (FIXME!)
float rel_seek_secs=0;
int abs_seek_pos=0;

// codecs:
char **audio_codec_list=NULL; // override audio codec
char **audio_fm_list=NULL;    // override audio codec family 

// streaming:
int audio_id=-1;
int video_id=-1;
int dvdsub_id=-1;
int vobsub_id=-1;
char* audio_lang=NULL;
char* dvdsub_lang=NULL;
static char* spudec_ifo=NULL;
char* filename=NULL; //"MI2-Trailer.avi";
int forced_subs_only=0;

// cache2:
       int stream_cache_size=-1;
#ifdef USE_STREAM_CACHE
extern int cache_fill_status;

float stream_cache_min_percent=20.0;
float stream_cache_prefill_percent=5.0;
#else
#define cache_fill_status 0
#endif

// dump:
static char *stream_dump_name="stream.dump";
       int stream_dump_type=0;

// A-V sync:
static float default_max_pts_correction=-1;//0.01f;
static float max_pts_correction=0;//default_max_pts_correction;
static float c_total=0;
       float audio_delay=0;

static int softsleep=0;

       float force_fps=0;
static int force_srate=0;
static int audio_output_format=0;
       int frame_dropping=0; // option  0=no drop  1= drop vo  2= drop decode
static int play_n_frames=-1;
static int play_n_frames_mf=-1;

// screen info:
char** video_driver_list=NULL;
char** audio_driver_list=NULL;

extern char *vo_subdevice;
extern char *ao_subdevice;

// codec outfmt flags (defined in libmpcodecs/vd.c)
extern int vo_flags;

static stream_t* stream=NULL;
static demuxer_t *demuxer=NULL;
static sh_audio_t *sh_audio=NULL;
static sh_video_t *sh_video=NULL;

char* current_module=NULL; // for debugging

static unsigned int inited_flags=0;
#define INITED_VO 1
#define INITED_AO 2
#define INITED_GUI 4
#define INITED_GETCH2 8
#define INITED_SPUDEC 32
#define INITED_STREAM 64
#define INITED_INPUT    128
#define INITED_VOBSUB  256
#define INITED_DEMUXER 512
#define INITED_ACODEC  1024
#define INITED_VCODEC  2048
#define INITED_ALL 0xFFFF

static void uninit_player(unsigned int mask){
  mask=inited_flags&mask;

  mp_msg(MSGT_CPLAYER,MSGL_DBG2,"\n*** uninit(0x%X)\n",mask);

  if(mask&INITED_ACODEC){
    inited_flags&=~INITED_ACODEC;
    current_module="uninit_acodec";
    if(sh_audio) uninit_audio(sh_audio);
#ifdef HAVE_NEW_GUI
    guiGetEvent(guiSetAfilter, (char *)NULL);
#endif
    sh_audio=NULL;
  }

  if(mask&INITED_DEMUXER){
    inited_flags&=~INITED_DEMUXER;
    current_module="free_demuxer";
    if(demuxer){
	stream=demuxer->stream;
	free_demuxer(demuxer);
    }
    demuxer=NULL;
  }

  // kill the cache process:
  if(mask&INITED_STREAM){
    inited_flags&=~INITED_STREAM;
    current_module="uninit_stream";
    if(stream) free_stream(stream);
    stream=NULL;
  }

  // must be after libvo uninit, as few vo drivers (svgalib) has tty code
  if(mask&INITED_GETCH2){
    inited_flags&=~INITED_GETCH2;
    current_module="uninit_getch2";
    mp_msg(MSGT_CPLAYER,MSGL_DBG2,"\n[[[uninit getch2]]]\n");
  // restore terminal:
    getch2_disable();
  }

  if(mask&INITED_AO){
    inited_flags&=~INITED_AO;
    current_module="uninit_ao";
    audio_out->uninit(eof?0:1); audio_out=NULL;
  }

#ifdef HAVE_NEW_GUI
  if(mask&INITED_GUI){
    inited_flags&=~INITED_GUI;
    current_module="uninit_gui";
    guiDone();
  }
#endif

  if(mask&INITED_INPUT){
    inited_flags&=~INITED_INPUT;
    current_module="uninit_input";
    mp_input_uninit();
  }

  current_module=NULL;
}

static void exit_player_with_rc(char* how, int rc){
  uninit_player(INITED_ALL);
  current_module="exit_player";
// free mplayer config
  free(mconfig);
  if(how) mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_ExitingHow,mp_gettext(how));
  mp_msg(MSGT_CPLAYER,MSGL_DBG2,"max framesize was %d bytes\n",max_framesize);
  exit(rc);
}

void exit_player(char* how){
  exit_player_with_rc(how, 1);
}

#ifndef __MINGW32__
static void child_sighandler(int x){  
  pid_t pid;
  while((pid=waitpid(-1,NULL,WNOHANG)) > 0);
}
#endif

static void exit_sighandler(int x){
  static int sig_count=0;
  ++sig_count;
  if(inited_flags==0 && sig_count>1) exit(1);
  if(sig_count==5)
    {
      /* We're crashing bad and can't uninit cleanly :( 
       * by popular request, we make one last (dirty) 
       * effort to restore the user's 
       * terminal. */
      getch2_disable();
      exit(1);
    }
  if(sig_count==6) exit(1);
  if(sig_count>6){
    // can't stop :(
#ifndef __MINGW32__
    kill(getpid(),SIGKILL);
#endif
  }
  mp_msg(MSGT_CPLAYER,MSGL_FATAL,"\n" MSGTR_IntBySignal,x,
      current_module?current_module:mp_gettext("unknown")
  );
  if(sig_count<=1)
  switch(x){
  case SIGINT:
  case SIGQUIT:
  case SIGTERM:
  case SIGKILL:
      break;  // killed from keyboard (^C) or killed [-9]
  case SIGILL:
      mp_msg(MSGT_CPLAYER,MSGL_FATAL,MSGTR_Exit_SIGILL);
  case SIGFPE:
  case SIGSEGV:
      mp_msg(MSGT_CPLAYER,MSGL_FATAL,MSGTR_Exit_SIGSEGV_SIGFPE);
  default:
      mp_msg(MSGT_CPLAYER,MSGL_FATAL,MSGTR_Exit_SIGCRASH);
  }
  exit_player(NULL);
}

//extern void write_avi_header_1(FILE *f,int fcc,float fps,int width,int height);

extern void mp_input_register_options(m_config_t* cfg);

#include "mixer.h"
mixer_t mixer;
/// step size of mixer changes
int volstep = 3;

#include "cfg-mplayer.h"

void parse_cfgfiles( m_config_t* conf )
{
char *conffile;
int conffile_fd;
if (m_config_parse_config_file(conf, MPLAYER_CONFDIR "/mplayer.conf") < 0)
  exit_player(NULL);
if ((conffile = get_path("")) == NULL) {
  mp_msg(MSGT_CPLAYER,MSGL_WARN,MSGTR_NoHomeDir);
} else {
#ifdef __MINGW32__
  mkdir(conffile);
#else
  mkdir(conffile, 0777);
#endif
  free(conffile);
  if ((conffile = get_path("config")) == NULL) {
    mp_msg(MSGT_CPLAYER,MSGL_ERR,MSGTR_GetpathProblem);
  } else {
    if ((conffile_fd = open(conffile, O_CREAT | O_EXCL | O_WRONLY, 0666)) != -1) {
      mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_CreatingCfgFile, conffile);
      write(conffile_fd, default_config, strlen(default_config));
      close(conffile_fd);
    }
    if (m_config_parse_config_file(conf, conffile) < 0)
      exit_player(NULL);
    free(conffile);
  }
}
}

void load_per_file_config (m_config_t* conf, const char *const file)
{
    char *confpath;
    char cfg[strlen(file)+10];
    struct stat st;
    char *name;

    sprintf (cfg, "%s.conf", file);
    
    if (!stat (cfg, &st))
    {
	mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_LoadingConfig, cfg);
	m_config_parse_config_file (conf, cfg);
	return;
    }

    if ((name = strrchr (cfg, '/')) == NULL)
	name = cfg;
    else
	name++;

    if ((confpath = get_path (name)) != NULL)
    {
	if (!stat (confpath, &st))
	{
	    mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_LoadingConfig, confpath);
	    m_config_parse_config_file (conf, confpath);
	}

	free (confpath);
    }
}

// When libmpdemux perform a blocking operation (network connection or cache filling)
// if the operation fail we use this function to check if it was interrupted by the user.
// The function return a new value for eof.
static int libmpdemux_was_interrupted(int eof) {
  mp_cmd_t* cmd;
  if((cmd = mp_input_get_cmd(0,0,0)) != NULL) {
       switch(cmd->id) {
       case MP_CMD_QUIT:
	 exit_player_with_rc(MSGTR_Exit_quit, (cmd->nargs > 0)? cmd->args[0].v.i : 0);
       case MP_CMD_PLAY_TREE_STEP: {
	 eof = (cmd->args[0].v.i > 0) ? PT_NEXT_ENTRY : PT_PREV_ENTRY;
       } break;
       case MP_CMD_PLAY_TREE_UP_STEP: {
	 eof = (cmd->args[0].v.i > 0) ? PT_UP_NEXT : PT_UP_PREV;
       } break;	  
       case MP_CMD_PLAY_ALT_SRC_STEP: {
	 eof = (cmd->args[0].v.i > 0) ?  PT_NEXT_SRC : PT_PREV_SRC;
       } break;
       }
       mp_cmd_free(cmd);