aspect_ratio = 0;
else
aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio)
- * is->video_st->codec->width / is->video_st->codec->height;;
+ * is->video_st->codec->width / is->video_st->codec->height;
if (aspect_ratio <= 0.0)
aspect_ratio = (float)is->video_st->codec->width /
(float)is->video_st->codec->height;
/* prepare audio output */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
- wanted_spec.freq = enc->sample_rate;
- wanted_spec.format = AUDIO_S16SYS;
- if(enc->channels > 2) {
- wanted_spec.channels = 2;
- enc->request_channels = 2;
+ if (enc->channels > 0) {
+ enc->request_channels = FFMIN(2, enc->channels);
} else {
- wanted_spec.channels = enc->channels;
- }
- wanted_spec.silence = 0;
- wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
- wanted_spec.callback = sdl_audio_callback;
- wanted_spec.userdata = is;
- if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
- fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
- return -1;
+ enc->request_channels = 2;
}
- is->audio_hw_buf_size = spec.size;
}
codec = avcodec_find_decoder(enc->codec_id);
if (!codec ||
avcodec_open(enc, codec) < 0)
return -1;
+
+ /* prepare audio output */
+ if (enc->codec_type == CODEC_TYPE_AUDIO) {
+ wanted_spec.freq = enc->sample_rate;
+ wanted_spec.format = AUDIO_S16SYS;
+ wanted_spec.channels = enc->channels;
+ wanted_spec.silence = 0;
+ wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
+ wanted_spec.callback = sdl_audio_callback;
+ wanted_spec.userdata = is;
+ if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
+ fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
+ return -1;
+ }
+ is->audio_hw_buf_size = spec.size;
+ }
+
if(thread_count>1)
avcodec_thread_init(enc, thread_count);
enc->thread_count= thread_count;
}
}
-static void opt_width(const char *arg)
+static int opt_width(const char *opt, const char *arg)
{
- screen_width = atoi(arg);
- if(screen_width<=0){
- fprintf(stderr, "invalid width\n");
- exit(1);
- }
+ screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
+ return 0;
}
-static void opt_height(const char *arg)
+static int opt_height(const char *opt, const char *arg)
{
- screen_height = atoi(arg);
- if(screen_height<=0){
- fprintf(stderr, "invalid height\n");
- exit(1);
- }
+ screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
+ return 0;
}
static void opt_format(const char *arg)
}
}
-static void opt_seek(const char *arg)
+static int opt_seek(const char *opt, const char *arg)
{
- start_time = parse_date(arg, 1);
- if (start_time == INT64_MIN) {
- fprintf(stderr, "Invalid duration specification: %s\n", arg);
- exit(1);
- }
+ start_time = parse_time_or_die(opt, arg, 1);
+ return 0;
}
-static void opt_debug(const char *arg)
+static int opt_debug(const char *opt, const char *arg)
{
av_log_set_level(99);
- debug = atoi(arg);
+ debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
+ return 0;
}
-static void opt_vismv(const char *arg)
+static int opt_vismv(const char *opt, const char *arg)
{
- debug_mv = atoi(arg);
+ debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
+ return 0;
}
-static void opt_thread_count(const char *arg)
+static int opt_thread_count(const char *opt, const char *arg)
{
- thread_count= atoi(arg);
+ thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
#if !defined(HAVE_THREADS)
fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
#endif
+ return 0;
}
static void opt_show_help(void)
const OptionDef options[] = {
{ "h", 0, {(void*)opt_show_help}, "show help" },
- { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
- { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
+ { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
+ { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
{ "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
{ "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
{ "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
{ "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "", "" },
{ "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "", "" },
- { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
+ { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
{ "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
{ "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
{ "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
- { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
+ { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
{ "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
- { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
+ { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
{ "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
{ "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
{ "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""},
{ "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_resilience}, "set error detection threshold (0-4)", "threshold" },
{ "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
{ "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
- { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
+ { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
{ NULL, },
};
projects / ffmpeg / blobdiff