#include <sys/resource.h>
#endif
-const char **opt_names;
-const char **opt_values;
-static int opt_name_count;
-AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
-AVFormatContext *avformat_opts;
struct SwsContext *sws_opts;
-AVDictionary *format_opts, *video_opts, *audio_opts, *sub_opts;
+AVDictionary *format_opts, *codec_opts;
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_context2(i);
- 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;
#endif
- for (i = 0; i < opt_name_count; i++) {
- av_freep(&opt_names[i]);
- av_freep(&opt_values[i]);
- }
- av_freep(&opt_names);
- av_freep(&opt_values);
- opt_name_count = 0;
av_dict_free(&format_opts);
- av_dict_free(&video_opts);
- av_dict_free(&audio_opts);
- av_dict_free(&sub_opts);
+ av_dict_free(&codec_opts);
}
void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
}
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++;
}
}
}
-#define FLAGS (o->type == FF_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
-#define SET_PREFIXED_OPTS(ch, flag, output) \
- if (opt[0] == ch && avcodec_opts[0] && (o = av_opt_find(avcodec_opts[0], opt+1, NULL, flag, 0)))\
- av_dict_set(&output, opt+1, arg, FLAGS);
-static int opt_default2(const char *opt, const char *arg)
+#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))) {
- if (o->flags & AV_OPT_FLAG_VIDEO_PARAM)
- av_dict_set(&video_opts, opt, arg, FLAGS);
- if (o->flags & AV_OPT_FLAG_AUDIO_PARAM)
- av_dict_set(&audio_opts, opt, arg, FLAGS);
- if (o->flags & AV_OPT_FLAG_SUBTITLE_PARAM)
- av_dict_set(&sub_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))) {
+ 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') &&
+ (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) {
}
}
- if (!o) {
- SET_PREFIXED_OPTS('v', AV_OPT_FLAG_VIDEO_PARAM, video_opts)
- SET_PREFIXED_OPTS('a', AV_OPT_FLAG_AUDIO_PARAM, audio_opts)
- SET_PREFIXED_OPTS('s', AV_OPT_FLAG_SUBTITLE_PARAM, sub_opts)
- }
-
- if (o)
+ if (oc || of || os)
return 0;
fprintf(stderr, "Unrecognized option '%s'\n", opt);
return AVERROR_OPTION_NOT_FOUND;
}
-int opt_default(const char *opt, const char *arg){
- int type;
- int ret= 0;
- const AVOption *o= NULL;
- int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
- AVCodec *p = NULL;
- AVOutputFormat *oformat = NULL;
- AVInputFormat *iformat = NULL;
-
- while ((p = av_codec_next(p))) {
- const AVClass *c = p->priv_class;
- if (c && av_find_opt(&c, opt, NULL, 0, 0))
- break;
- }
- if (p)
- goto out;
- while ((oformat = av_oformat_next(oformat))) {
- const AVClass *c = oformat->priv_class;
- if (c && av_find_opt(&c, opt, NULL, 0, 0))
- break;
- }
- if (oformat)
- goto out;
- while ((iformat = av_iformat_next(iformat))) {
- const AVClass *c = iformat->priv_class;
- if (c && av_find_opt(&c, opt, NULL, 0, 0))
- break;
- }
- if (iformat)
- goto out;
-
- for(type=0; *avcodec_opts && type<AVMEDIA_TYPE_NB && ret>= 0; type++){
- const AVOption *o2 = av_opt_find(avcodec_opts[0], opt, NULL, opt_types[type], 0);
- if(o2)
- ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
- }
- if(!o && avformat_opts)
- ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
- if(!o && sws_opts)
- ret = av_set_string3(sws_opts, opt, arg, 1, &o);
- if(!o){
- if (opt[0] == 'a' && avcodec_opts[AVMEDIA_TYPE_AUDIO])
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o);
- else if(opt[0] == 'v' && avcodec_opts[AVMEDIA_TYPE_VIDEO])
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o);
- else if(opt[0] == 's' && avcodec_opts[AVMEDIA_TYPE_SUBTITLE])
- ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o);
- if (ret >= 0)
- opt += 1;
- }
- if (o && ret < 0) {
- fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
- exit(1);
- }
- if (!o) {
- fprintf(stderr, "Unrecognized option '%s'\n", opt);
- exit(1);
- }
-
- out:
- if ((ret = opt_default2(opt, arg)) < 0)
- return ret;
-
-// av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL));
-
- opt_values= av_realloc(opt_values, sizeof(void*)*(opt_name_count+1));
- opt_values[opt_name_count] = av_strdup(arg);
- opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
- opt_names[opt_name_count++] = av_strdup(opt);
-
- if ((*avcodec_opts && avcodec_opts[0]->debug) || (avformat_opts && avformat_opts->debug))
- av_log_set_level(AV_LOG_DEBUG);
- return 0;
-}
-
int opt_loglevel(const char *opt, const char *arg)
{
const struct { const char *name; int level; } log_levels[] = {
return 0;
}
-static void *alloc_priv_context(int size, const AVClass *class)
-{
- void *p = av_mallocz(size);
- if (p) {
- *(const AVClass **)p = class;
- av_opt_set_defaults(p);
- }
- return p;
-}
-
-void set_context_opts(void *ctx, void *opts_ctx, int flags, AVCodec *codec)
-{
- int i;
- void *priv_ctx=NULL;
- if(!strcmp("AVCodecContext", (*(AVClass**)ctx)->class_name)){
- AVCodecContext *avctx= ctx;
- if(codec && codec->priv_class){
- if(!avctx->priv_data && codec->priv_data_size)
- avctx->priv_data= alloc_priv_context(codec->priv_data_size, codec->priv_class);
- priv_ctx= avctx->priv_data;
- }
- } else if (!strcmp("AVFormatContext", (*(AVClass**)ctx)->class_name)) {
- AVFormatContext *avctx = ctx;
- if (avctx->oformat && avctx->oformat->priv_class) {
- priv_ctx = avctx->priv_data;
- } else if (avctx->iformat && avctx->iformat->priv_class) {
- priv_ctx = avctx->priv_data;
- }
- }
-
- for(i=0; i<opt_name_count; i++){
- char buf[256];
- const AVOption *opt;
- const char *str;
- if (priv_ctx) {
- if (av_find_opt(priv_ctx, opt_names[i], NULL, flags, flags)) {
- if (av_set_string3(priv_ctx, opt_names[i], opt_values[i], 1, NULL) < 0) {
- fprintf(stderr, "Invalid value '%s' for option '%s'\n",
- opt_names[i], opt_values[i]);
- exit(1);
- }
- } else
- goto global;
- } else {
- global:
- str = av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
- /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
- if (str && ((opt->flags & flags) == flags))
- av_set_string3(ctx, opt_names[i], str, 1, NULL);
- }
- }
-}
-
void print_error(const char *filename, int err)
{
char errbuf[128];
return f;
}
+
+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) /* 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 = 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;
+
+ switch (codec->type) {
+ case AVMEDIA_TYPE_VIDEO: prefix = 'v'; flags |= AV_OPT_FLAG_VIDEO_PARAM; break;
+ case AVMEDIA_TYPE_AUDIO: prefix = 'a'; flags |= AV_OPT_FLAG_AUDIO_PARAM; break;
+ case AVMEDIA_TYPE_SUBTITLE: prefix = 's'; flags |= AV_OPT_FLAG_SUBTITLE_PARAM; break;
+ }
+
+ while (t = av_dict_get(opts, "", t, AV_DICT_IGNORE_SUFFIX)) {
+ 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(&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;
+}
+
+AVDictionary **setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts)
+{
+ int i;
+ AVDictionary **opts;
+
+ if (!s->nb_streams)
+ return NULL;
+ opts = av_mallocz(s->nb_streams * sizeof(*opts));
+ if (!opts) {
+ av_log(NULL, AV_LOG_ERROR, "Could not alloc memory for stream options.\n");
+ return NULL;
+ }
+ for (i = 0; i < s->nb_streams; i++)
+ opts[i] = filter_codec_opts(codec_opts, s->streams[i]->codec->codec_id, s, s->streams[i]);
+ return opts;
+}
+