X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=cmdutils.c;h=f7b24f65bda0943cfbce1cb9e4ff59a8004187f4;hb=cac9877ed5150bb6feda64927bb327ee4698086a;hp=084c441fa46dc945b29a8286e9cdf60a538932a7;hpb=03cbe6c8bc42626107e75b001180b81781619ed7;p=ffmpeg diff --git a/cmdutils.c b/cmdutils.c index 084c441fa46..f7b24f65bda 100644 --- a/cmdutils.c +++ b/cmdutils.c @@ -49,8 +49,6 @@ #include #endif -AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB]; -AVFormatContext *avformat_opts; struct SwsContext *sws_opts; AVDictionary *format_opts, *codec_opts; @@ -58,10 +56,6 @@ static const int this_year = 2011; 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 @@ -69,11 +63,6 @@ void init_opts(void) 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; @@ -103,7 +92,8 @@ double parse_number_or_die(const char *context, const char *numstr, int type, do 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) @@ -112,7 +102,7 @@ int64_t parse_time_or_die(const char *context, const char *timestr, int is_durat 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; } @@ -141,8 +131,11 @@ void show_help_options(const OptionDef *options, const char *msg, int mask, int } static const OptionDef* find_option(const OptionDef *po, const char *name){ + const char *p = strchr(name, ':'); + int len = p ? p - name : strlen(name); + while (po->name != NULL) { - if (!strcmp(name, po->name)) + if (!strncmp(name, po->name, len) && strlen(po->name) == len) break; po++; } @@ -210,12 +203,82 @@ static inline void prepare_app_arguments(int *argc_ptr, char ***argv_ptr) } #endif /* WIN32 && !__MINGW32CE__ */ -void parse_options(int argc, char **argv, const OptionDef *options, - int (* parse_arg_function)(const char *opt, const char *arg)) + +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); @@ -226,75 +289,41 @@ void parse_options(int argc, char **argv, const OptionDef *options, 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 ? arg : "[null]", 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) { - if (parse_arg_function(NULL, opt) < 0) - exit(1); - } + if (parse_arg_function) + parse_arg_function(optctx, opt); } } } -#define FLAGS (o->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0 +#define FLAGS(o) ((o)->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0 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)) || + const AVOption *oc, *of, *os; + 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 ((oc = 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)))) - av_dict_set(&codec_opts, opt, arg, FLAGS); - else if ((o = av_opt_find(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) - av_dict_set(&format_opts, opt, arg, FLAGS); - else if ((o = av_opt_find(sws_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) { + (oc = av_opt_find(&cc, opt+1, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)))) + av_dict_set(&codec_opts, opt, arg, FLAGS(oc)); + if ((of = av_opt_find(&fc, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) + av_dict_set(&format_opts, opt, arg, FLAGS(of)); + if ((os = 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) { @@ -303,7 +332,7 @@ int opt_default(const char *opt, const char *arg) } } - if (o) + if (oc || of || os) return 0; fprintf(stderr, "Unrecognized option '%s'\n", opt); return AVERROR_OPTION_NOT_FOUND; @@ -338,7 +367,7 @@ int opt_loglevel(const char *opt, const char *arg) "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; @@ -701,6 +730,15 @@ int opt_pix_fmts(const char *opt, const char *arg) 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(); @@ -783,13 +821,65 @@ FILE *get_preset_file(char *filename, size_t filename_size, 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; + default: abort(); // never reached, silence warning + } + 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; @@ -801,11 +891,24 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, int e } 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; } @@ -823,7 +926,25 @@ AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *cod 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; } +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; +}