#include <sys/resource.h>
#endif
-AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
-AVFormatContext *avformat_opts;
struct SwsContext *sws_opts;
AVDictionary *format_opts, *codec_opts;
void init_opts(void)
{
- int i;
- for (i = 0; i < AVMEDIA_TYPE_NB; i++)
- avcodec_opts[i] = avcodec_alloc_context3(NULL);
- avformat_opts = avformat_alloc_context();
#if CONFIG_SWSCALE
sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC, NULL, NULL, NULL);
#endif
void uninit_opts(void)
{
- int i;
- for (i = 0; i < AVMEDIA_TYPE_NB; i++)
- av_freep(&avcodec_opts[i]);
- av_freep(&avformat_opts->key);
- av_freep(&avformat_opts);
#if CONFIG_SWSCALE
sws_freeContext(sws_opts);
sws_opts = NULL;
else
return d;
fprintf(stderr, error, context, numstr, min, max);
- exit(1);
+ exit_program(1);
+ return 0;
}
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
if (av_parse_time(&us, timestr, is_duration) < 0) {
fprintf(stderr, "Invalid %s specification for %s: %s\n",
is_duration ? "duration" : "date", context, timestr);
- exit(1);
+ exit_program(1);
}
return us;
}
}
#endif /* WIN32 && !__MINGW32CE__ */
-void parse_options(int argc, char **argv, const OptionDef *options,
- void (* parse_arg_function)(const char*))
+int parse_option(void *optctx, const char *opt, const char *arg, const OptionDef *options)
{
- const char *opt, *arg;
- int optindex, handleoptions=1;
const OptionDef *po;
+ int bool_val = 1;
+ int *dstcount;
+ void *dst;
+
+ po = find_option(options, opt);
+ if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
+ /* handle 'no' bool option */
+ po = find_option(options, opt + 2);
+ if (!(po->name && (po->flags & OPT_BOOL)))
+ goto unknown_opt;
+ bool_val = 0;
+ }
+ if (!po->name)
+ po = find_option(options, "default");
+ if (!po->name) {
+unknown_opt:
+ av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
+ return AVERROR(EINVAL);
+ }
+ if (po->flags & HAS_ARG && !arg) {
+ av_log(NULL, AV_LOG_ERROR, "Missing argument for option '%s'\n", opt);
+ return AVERROR(EINVAL);
+ }
+
+ /* new-style options contain an offset into optctx, old-style address of
+ * a global var*/
+ dst = po->flags & (OPT_OFFSET|OPT_SPEC) ? (uint8_t*)optctx + po->u.off : po->u.dst_ptr;
+
+ if (po->flags & OPT_SPEC) {
+ SpecifierOpt **so = dst;
+ char *p = strchr(opt, ':');
+
+ dstcount = (int*)(so + 1);
+ *so = grow_array(*so, sizeof(**so), dstcount, *dstcount + 1);
+ (*so)[*dstcount - 1].specifier = av_strdup(p ? p + 1 : "");
+ dst = &(*so)[*dstcount - 1].u;
+ }
+
+ if (po->flags & OPT_STRING) {
+ char *str;
+ str = av_strdup(arg);
+ *(char**)dst = str;
+ } else if (po->flags & OPT_BOOL) {
+ *(int*)dst = bool_val;
+ } else if (po->flags & OPT_INT) {
+ *(int*)dst = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
+ } else if (po->flags & OPT_INT64) {
+ *(int64_t*)dst = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
+ } else if (po->flags & OPT_TIME) {
+ *(int64_t*)dst = parse_time_or_die(opt, arg, 1);
+ } else if (po->flags & OPT_FLOAT) {
+ *(float*)dst = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
+ } else if (po->flags & OPT_DOUBLE) {
+ *(double*)dst = parse_number_or_die(opt, arg, OPT_DOUBLE, -INFINITY, INFINITY);
+ } else if (po->u.func_arg) {
+ int ret = po->flags & OPT_FUNC2 ? po->u.func2_arg(optctx, opt, arg) :
+ po->u.func_arg(opt, arg);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Failed to set value '%s' for option '%s'\n", arg, opt);
+ return ret;
+ }
+ }
+ if (po->flags & OPT_EXIT)
+ exit_program(0);
+ return !!(po->flags & HAS_ARG);
+}
+
+void parse_options(void *optctx, int argc, char **argv, const OptionDef *options,
+ void (* parse_arg_function)(void *, const char*))
+{
+ const char *opt;
+ int optindex, handleoptions = 1, ret;
/* perform system-dependent conversions for arguments list */
prepare_app_arguments(&argc, &argv);
opt = argv[optindex++];
if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
- int bool_val = 1;
if (opt[1] == '-' && opt[2] == '\0') {
handleoptions = 0;
continue;
}
opt++;
- po= find_option(options, opt);
- if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
- /* handle 'no' bool option */
- po = find_option(options, opt + 2);
- if (!(po->name && (po->flags & OPT_BOOL)))
- goto unknown_opt;
- bool_val = 0;
- }
- if (!po->name)
- po= find_option(options, "default");
- if (!po->name) {
-unknown_opt:
- fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
- exit(1);
- }
- arg = NULL;
- if (po->flags & HAS_ARG) {
- arg = argv[optindex++];
- if (!arg) {
- fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
- exit(1);
- }
- }
- if (po->flags & OPT_STRING) {
- char *str;
- str = av_strdup(arg);
- *po->u.str_arg = str;
- } else if (po->flags & OPT_BOOL) {
- *po->u.int_arg = bool_val;
- } else if (po->flags & OPT_INT) {
- *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
- } else if (po->flags & OPT_INT64) {
- *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
- } else if (po->flags & OPT_FLOAT) {
- *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -INFINITY, INFINITY);
- } else if (po->u.func_arg) {
- if (po->u.func_arg(opt, arg) < 0) {
- fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
- exit(1);
- }
- }
- if(po->flags & OPT_EXIT)
- exit(0);
+
+ if ((ret = parse_option(optctx, opt, argv[optindex], options)) < 0)
+ exit_program(1);
+ optindex += ret;
} else {
if (parse_arg_function)
- parse_arg_function(opt);
+ parse_arg_function(optctx, opt);
}
}
}
int opt_default(const char *opt, const char *arg)
{
const AVOption *o;
- if ((o = av_opt_find(avcodec_opts[0], opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)) ||
+ char opt_stripped[128];
+ const char *p;
+ const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc = sws_get_class();
+
+ if (!(p = strchr(opt, ':')))
+ p = opt + strlen(opt);
+ av_strlcpy(opt_stripped, opt, FFMIN(sizeof(opt_stripped), p - opt + 1));
+
+ if ((o = av_opt_find(&cc, opt_stripped, NULL, 0, AV_OPT_SEARCH_CHILDREN|AV_OPT_SEARCH_FAKE_OBJ)) ||
((opt[0] == 'v' || opt[0] == 'a' || opt[0] == 's') &&
- (o = av_opt_find(avcodec_opts[0], opt+1, NULL, 0, 0))))
+ (o = av_opt_find(&cc, opt+1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ))))
av_dict_set(&codec_opts, opt, arg, FLAGS);
- else if ((o = av_opt_find(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)))
+ else if ((o = av_opt_find(&fc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)))
av_dict_set(&format_opts, opt, arg, FLAGS);
- else if ((o = av_opt_find(sws_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) {
+ else if ((o = av_opt_find(&sc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
// XXX we only support sws_flags, not arbitrary sws options
int ret = av_set_string3(sws_opts, opt, arg, 1, NULL);
if (ret < 0) {
"Possible levels are numbers or:\n", arg);
for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
fprintf(stderr, "\"%s\"\n", log_levels[i].name);
- exit(1);
+ exit_program(1);
}
av_log_set_level(level);
return 0;
}
}
+int show_sample_fmts(const char *opt, const char *arg)
+{
+ int i;
+ char fmt_str[128];
+ for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
+ printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
+ return 0;
+}
+
int read_yesno(void)
{
int c = getchar();
return f;
}
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int encoder)
+int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
+{
+ if (*spec <= '9' && *spec >= '0') /* opt:index */
+ return strtol(spec, NULL, 0) == st->index;
+ else if (*spec == 'v' || *spec == 'a' || *spec == 's' || *spec == 'd') { /* opt:[vasd] */
+ enum AVMediaType type;
+
+ switch (*spec++) {
+ case 'v': type = AVMEDIA_TYPE_VIDEO; break;
+ case 'a': type = AVMEDIA_TYPE_AUDIO; break;
+ case 's': type = AVMEDIA_TYPE_SUBTITLE; break;
+ case 'd': type = AVMEDIA_TYPE_DATA; break;
+ }
+ if (type != st->codec->codec_type)
+ return 0;
+ if (*spec++ == ':') { /* possibly followed by :index */
+ int i, index = strtol(spec, NULL, 0);
+ for (i = 0; i < s->nb_streams; i++)
+ if (s->streams[i]->codec->codec_type == type && index-- == 0)
+ return i == st->index;
+ return 0;
+ }
+ return 1;
+ } else if (*spec == 'p' && *(spec + 1) == ':') {
+ int prog_id, i, j;
+ char *endptr;
+ spec += 2;
+ prog_id = strtol(spec, &endptr, 0);
+ for (i = 0; i < s->nb_programs; i++) {
+ if (s->programs[i]->id != prog_id)
+ continue;
+
+ if (*endptr++ == ':') {
+ int stream_idx = strtol(endptr, NULL, 0);
+ return (stream_idx >= 0 && stream_idx < s->programs[i]->nb_stream_indexes &&
+ st->index == s->programs[i]->stream_index[stream_idx]);
+ }
+
+ for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
+ if (st->index == s->programs[i]->stream_index[j])
+ return 1;
+ }
+ return 0;
+ } else if (!*spec) /* empty specifier, matches everything */
+ return 1;
+
+ av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
+ return AVERROR(EINVAL);
+}
+
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFormatContext *s, AVStream *st)
{
AVDictionary *ret = NULL;
AVDictionaryEntry *t = NULL;
- AVCodec *codec = encoder ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id);
- int flags = encoder ? AV_OPT_FLAG_ENCODING_PARAM : AV_OPT_FLAG_DECODING_PARAM;
+ AVCodec *codec = s->oformat ? avcodec_find_encoder(codec_id) : avcodec_find_decoder(codec_id);
+ int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM : AV_OPT_FLAG_DECODING_PARAM;
char prefix = 0;
+ const AVClass *cc = avcodec_get_class();
if (!codec)
return NULL;
}
while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
- if (av_opt_find(avcodec_opts[0], t->key, NULL, flags, 0) ||
- (codec && codec->priv_class && av_opt_find(&codec->priv_class, t->key, NULL, flags, 0)))
+ char *p = strchr(t->key, ':');
+
+ /* check stream specification in opt name */
+ if (p)
+ switch (check_stream_specifier(s, st, p + 1)) {
+ case 1: *p = 0; break;
+ case 0: continue;
+ default: return NULL;
+ }
+
+ if (av_opt_find(&cc, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ) ||
+ (codec && codec->priv_class && av_opt_find(&codec->priv_class, t->key, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ)))
av_dict_set(&ret, t->key, t->value, 0);
- else if (t->key[0] == prefix && av_opt_find(avcodec_opts[0], t->key+1, NULL, flags, 0))
+ else if (t->key[0] == prefix && av_opt_find(&cc, t->key+1, NULL, flags, AV_OPT_SEARCH_FAKE_OBJ))
av_dict_set(&ret, t->key+1, t->value, 0);
+
+ if (p)
+ *p = ':';
}
return ret;
}
return NULL;
}
for (i = 0; i < s->nb_streams; i++)
- opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, 0);
+ opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, s, s->streams[i]);
return opts;
}
return 1;
}
+void *grow_array(void *array, int elem_size, int *size, int new_size)
+{
+ if (new_size >= INT_MAX / elem_size) {
+ av_log(NULL, AV_LOG_ERROR, "Array too big.\n");
+ exit_program(1);
+ }
+ if (*size < new_size) {
+ uint8_t *tmp = av_realloc(array, new_size*elem_size);
+ if (!tmp) {
+ av_log(NULL, AV_LOG_ERROR, "Could not alloc buffer.\n");
+ exit_program(1);
+ }
+ memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
+ *size = new_size;
+ return tmp;
+ }
+ return array;
+}
+
#endif /* CONFIG_AVFILTER */
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