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Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  AVOptions: fix av_set_string3() doxy to match reality.
  cmdutils: get rid of dummy contexts for examining AVOptions.
  lavf,lavc,sws: add {avcodec,avformat,sws}_get_class() functions.
  AVOptions: add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find().
  cpu detection: avoid a signed overflow

Conflicts:
	avconv.c
	cmdutils.c
	doc/APIchanges
	ffmpeg.c
	libavcodec/options.c
	libavcodec/version.h
	libavformat/version.h
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-09-04 04:11:53 +02:00
parent ca4d71b149 e955a682e1
commit 1889c6724a
17 changed files with 95 additions and 38 deletions
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27
cmdutils.c
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@ -49,8 +49,6 @@
#include <sys/resource.h>
#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;
@ -293,18 +282,19 @@ int opt_default(const char *opt, const char *arg)
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(avcodec_opts[0], opt_stripped, NULL, 0, AV_OPT_SEARCH_CHILDREN)) ||
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(avcodec_opts[0], opt+1, NULL, 0, 0))))
(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(avformat_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN)))
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(sws_opts, opt, NULL, 0, AV_OPT_SEARCH_CHILDREN))) {
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) {
@ -831,6 +821,7 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFor
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;
@ -852,10 +843,10 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id, AVFor
default: return NULL;
}
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)))
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)