X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Foptions.c;h=3399dd43977366759677d70d9f5e9c142b36b1fb;hb=8cc2fa1e5db0655c053b35c948ef05ba0fe13707;hp=c2729b75d9bf86e83bbd7a09518010d3f562bd64;hpb=05e84c95c7f0543553af8f0ebd50fb5604e7e2ff;p=ffmpeg diff --git a/libavformat/options.c b/libavformat/options.c index c2729b75d9b..3399dd43977 100644 --- a/libavformat/options.c +++ b/libavformat/options.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "avformat.h" +#include "avio_internal.h" #include "libavutil/opt.h" /** @@ -25,6 +26,8 @@ * Options definition for AVFormatContext. */ +#include "options_table.h" + static const char* format_to_name(void* ptr) { AVFormatContext* fc = (AVFormatContext*) ptr; @@ -33,73 +36,53 @@ static const char* format_to_name(void* ptr) else return "NULL"; } -static const AVOption *opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags) +static void *format_child_next(void *obj, void *prev) { - AVFormatContext *s = obj; - AVInputFormat *ifmt = NULL; - AVOutputFormat *ofmt = NULL; - if (s->priv_data) { - if ((s->iformat && !s->iformat->priv_class) || - (s->oformat && !s->oformat->priv_class)) - return NULL; - return av_opt_find(s->priv_data, name, unit, opt_flags, search_flags); - } - - while ((ifmt = av_iformat_next(ifmt))) { - const AVOption *o; - - if (ifmt->priv_class && (o = av_opt_find(&ifmt->priv_class, name, unit, opt_flags, search_flags))) - return o; - } - while ((ofmt = av_oformat_next(ofmt))) { - const AVOption *o; - - if (ofmt->priv_class && (o = av_opt_find(&ofmt->priv_class, name, unit, opt_flags, search_flags))) - return o; - } + AVFormatContext *s = obj; + if (!prev && s->priv_data && + ((s->iformat && s->iformat->priv_class) || + s->oformat && s->oformat->priv_class)) + return s->priv_data; + if (s->pb && s->pb->av_class && prev != s->pb) + return s->pb; return NULL; } -#define OFFSET(x) offsetof(AVFormatContext,x) -#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C -//these names are too long to be readable -#define E AV_OPT_FLAG_ENCODING_PARAM -#define D AV_OPT_FLAG_DECODING_PARAM - -static const AVOption options[]={ -{"probesize", "set probing size", OFFSET(probesize), FF_OPT_TYPE_INT, {.dbl = 5000000 }, 32, INT_MAX, D}, -{"muxrate", "set mux rate", OFFSET(mux_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E}, -{"packetsize", "set packet size", OFFSET(packet_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E}, -{"fflags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, D|E, "fflags"}, -{"ignidx", "ignore index", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNIDX }, INT_MIN, INT_MAX, D, "fflags"}, -{"genpts", "generate pts", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_GENPTS }, INT_MIN, INT_MAX, D, "fflags"}, -{"nofillin", "do not fill in missing values that can be exactly calculated", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOFILLIN }, INT_MIN, INT_MAX, D, "fflags"}, -{"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOPARSE }, INT_MIN, INT_MAX, D, "fflags"}, -{"igndts", "ignore dts", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNDTS }, INT_MIN, INT_MAX, D, "fflags"}, -#if FF_API_FLAG_RTP_HINT -{"rtphint", "add rtp hinting (deprecated, use the -movflags rtphint option instead)", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_RTP_HINT }, INT_MIN, INT_MAX, E, "fflags"}, -#endif -{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, {.dbl = 5*AV_TIME_BASE }, 0, INT_MAX, D}, -{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, {.dbl = 0}, 0, 0, D}, -{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), FF_OPT_TYPE_INT, {.dbl = 1<<20 }, 0, INT_MAX, D}, -{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), FF_OPT_TYPE_INT, {.dbl = 3041280 }, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */ -{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, E|D, "fdebug"}, -{"ts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_FDEBUG_TS }, INT_MIN, INT_MAX, E|D, "fdebug"}, -{"max_delay", "maximum muxing or demuxing delay in microseconds", OFFSET(max_delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E|D}, -{"fpsprobesize", "number of frames used to probe fps", OFFSET(fps_probe_size), FF_OPT_TYPE_INT, {.dbl = -1}, -1, INT_MAX-1, D}, -{NULL}, -}; +static const AVClass *format_child_class_next(const AVClass *prev) +{ + AVInputFormat *ifmt = NULL; + AVOutputFormat *ofmt = NULL; + + if (!prev) + return &ffio_url_class; -#undef E -#undef D -#undef DEFAULT + while ((ifmt = av_iformat_next(ifmt))) + if (ifmt->priv_class == prev) + break; + + if (!ifmt) + while ((ofmt = av_oformat_next(ofmt))) + if (ofmt->priv_class == prev) + break; + if (!ofmt) + while (ifmt = av_iformat_next(ifmt)) + if (ifmt->priv_class) + return ifmt->priv_class; + + while (ofmt = av_oformat_next(ofmt)) + if (ofmt->priv_class) + return ofmt->priv_class; + + return NULL; +} static const AVClass av_format_context_class = { .class_name = "AVFormatContext", .item_name = format_to_name, .option = options, .version = LIBAVUTIL_VERSION_INT, - .opt_find = opt_find, + .child_next = format_child_next, + .child_class_next = format_child_class_next, }; static void avformat_get_context_defaults(AVFormatContext *s) @@ -119,3 +102,8 @@ AVFormatContext *avformat_alloc_context(void) avformat_get_context_defaults(ic); return ic; } + +const AVClass *avformat_get_class(void) +{ + return &av_format_context_class; +}