MultiMedia/play/play.c

   1 /*
   2    2004/09/10 - Joseph Fenton, changed to support
   3       playing audio-only streams. Removed code that
   4       killed using audio in AROS. Put conditional
   5       around gtk_init() for AROS.
   6 */
   7
   8 #include "externs.h"
   9 #include "freq.h"
  10 #include <exec/types.h>
  11
  12 int audio_sample_rate, audio_channels = -1;
  13 int frame_width = 320, frame_height = 240, use_audio = 0;
  14 int no_video = 1;
  15 int verbose = 0, debugging = 0;
  16 int benchmark_mode = 0;
  17 double frame_rate = 20.0;
  18 int force_fps = -1;
  19 LONG __stack = 600000;  /* Make it big!! */
  20
  21 void show_formats(void)
  22 {
  23     AVInputFormat *ifmt;
  24     AVCodec *p;
  25
  26     printf("Input audio/video file formats:");
  27     for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
  28         printf(" %s", ifmt->name);
  29     }
  30     printf("\n\n");
  31
  32     printf("  Decoders:");
  33     for(p = first_avcodec; p != NULL; p = p->next) {
  34         if (p->decode)
  35             printf(" %s", p->name);
  36     }
  37
  38     printf("\n");
  39 }
  40
  41 #include "getopt.h"
  42
  43 #if defined(AMIGA) || defined(AROS)
  44 #include <proto/dos.h>
  45 BPTR lock = NULL, oldlock;
  46
  47 void amigaquit()
  48 {
  49     if (lock) {
  50         CurrentDir(oldlock);
  51         UnLock(lock);
  52     }
  53 }
  54 #endif
  55
  56 int main(int argc, char *argv[])
  57 {
  58     int i;
  59     char *filename;
  60     AVFormatContext *ic;
  61     AVInputFormat *file_iformat = NULL;
  62     AVFormatParameters params;
  63     char *c;
  64
  65     av_register_all();
  66
  67     while ((i = getopt(argc, argv, "hbBndvif:")) != EOF) {
  68         switch(i) {
  69             case 'h':
  70                 printf("Usage: %s [options] [filename]\n"
  71                         "-h\tThis help.\n"
  72                         "-n\tDisable audio.\n"
  73                         "-b\tBenchmark mode (no display, no audio)\n"
  74                         "-B\tBenchmark mode (no audio)\n"
  75                         "-v\tVerbose mode\n"
  76                         "-i\tShow supported formats and exits\n"
  77                         "-d\tDelay initialization for debugging purposes\n"
  78                         "-f <value>\tForce frames per second to value\n"
  79                         , argv[0]);
  80
  81                 return 0;
  82             case 'v':
  83                 verbose = 1;
  84                 break;
  85             case 'b':
  86                 benchmark_mode = 2;
  87                 break;
  88             case 'B':
  89                 benchmark_mode = 1;
  90                 break;
  91             case 'n':
  92                 use_audio = -1;
  93                 break;
  94             case 'f':
  95                 force_fps = atoi(optarg);
  96                 break;
  97             case 'i':
  98                 show_formats();
  99                 return 0;
 100             case 'd':
 101                 debugging = 1;
 102                 break;
 103             default:
 104                 printf("Unknown option %c\n", i);
 105                 return 0;
 106         }
 107     }
 108
 109     if((argc-optind) != 1) {
 110         FRequest f;
 111
 112 #ifndef AROS
 113 #ifdef linux
 114         gtk_init(&argc, &argv);
 115 #endif
 116 #endif
 117
 118         f.Title = "Select a movie to play...";
 119         f.Dir = NULL;
 120         f.Filter = "All supported files|*.mpg;*.avi;*.mov;*.qt;*.asf;*.mpeg|MPEG Files|*.mpg;*.mpeg|AVI Files|*.avi|Quicktime Files|*.qt;*.mov|All files|*.*\0\0";
 121         f.Save = 0;
 122
 123         if(Request(&f)) {
 124 // the following code is due to the fact avformat has a few problems with Amigalike paths...
 125 #if defined(AMIGA) || defined(AROS)
 126             filename = FilePart(f.File);
 127             if (strcmp(filename, f.File)) {
 128                 lock = Lock(PathPart(f.File), ACCESS_READ);
 129
 130                 if (lock) {
 131                     oldlock = CurrentDir(lock);
 132                     atexit(amigaquit);
 133                 }
 134             }
 135 #else
 136             filename = f.File;
 137 #endif
 138         }
 139         else
 140             return 0;
 141     }
 142     else
 143         filename = argv[optind];
 144
 145     if((c = strrchr(filename, '.'))) {
 146         file_iformat = av_find_input_format(c + 1);
 147
 148         printf("First guess of fileformat: %s\n",
 149                 file_iformat ? file_iformat->name : "UNKNOWN");
 150     }
 151
 152     memset(&params, 0, sizeof(params));
 153
 154     if(av_open_input_file(&ic, filename, NULL /*file_iformat*/, 0, &params) < 0) {
 155         fprintf(stderr, "Unable to find format of %s\n", filename);
 156         return 0;
 157     }
 158
 159     if(av_find_stream_info(ic) < 0) {
 160         fprintf(stderr, "%s: could not find codec parameters\n", filename);
 161         return 0;
 162     }
 163
 164
 165     dump_format(ic, 0, filename, 0);
 166
 167     if (verbose)
 168         fprintf(stderr, "Examining %d streams...\n", ic->nb_streams);
 169
 170     for(i=0;i<ic->nb_streams;i++) {
 171         AVCodecContext *enc = &ic->streams[i]->codec;
 172         switch(enc->codec_type) {
 173             case CODEC_TYPE_AUDIO:
 174                 if(use_audio != -1) {
 175                     use_audio = 1;
 176                     audio_channels = enc->channels;
 177                     audio_sample_rate = enc->sample_rate;
 178
 179                     if(verbose)
 180                         fprintf(stderr, "audio: %d/%d\n",
 181                                 enc->sample_rate, enc->channels);
 182                 }
 183
 184                 break;
 185             case CODEC_TYPE_VIDEO:
 186                 no_video = 0;
 187                 frame_height = enc->height;
 188                 frame_width = enc->width;
 189                 frame_rate = (double)ic->streams[i]->r_frame_rate / (double)ic->streams[i]->r_frame_rate_base;
 190 #if 0
 191                 enc->workaround_bugs = FF_BUG_AUTODETECT;
 192                 enc->error_resilience = 2;
 193                 enc->error_concealment = 3;
 194                 enc->idct_algo= 0;
 195 #endif
 196                 if(force_fps > 0) {
 197                     fprintf(stderr, "FPS forced from %f to %f.\n",
 198                             frame_rate, (double) force_fps);
 199                     frame_rate = force_fps;
 200                 }
 201
 202                 if(verbose)
 203                     fprintf(stderr, "video: %dx%d %f fps\n",
 204                             frame_width, frame_height, frame_rate);
 205                 break;
 206         }
 207
 208     }
 209
 210    if(!(c = strrchr(filename,
 211 #ifdef WIN32
 212             '\\'
 213 #else
 214             '/'
 215 #endif
 216                    )))
 217         c = filename;
 218     else
 219         c++;
 220
 221     if(benchmark_mode || use_audio == -1)
 222         use_audio = 0;
 223
 224     if(verbose) {
 225         fprintf(stderr, "Initializing the audio/video section...\n");
 226
 227         if(debugging)
 228             os_delay(2000);
 229     }
 230
 231     init_system(c);
 232
 233     if(verbose) {
 234         fprintf(stderr, "Start decoding %s (%lx/%d)...\n", c, ic, ic->nb_streams);
 235
 236         if(debugging)
 237             os_delay(2000);
 238     }
 239     play_decode_stream(ic);
 240 }
 241