* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#include "avio_internal.h"
#include "libavutil/opt.h"
/**
* Options definition for AVFormatContext.
*/
+#include "options_table.h"
+
static const char* format_to_name(void* ptr)
{
AVFormatContext* fc = (AVFormatContext*) 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 (!(search_flags & AV_OPT_SEARCH_FAKE_OBJ) && 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
-{"discardcorrupt", "discard corrupted frames", 0, FF_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_DISCARD_CORRUPT }, INT_MIN, INT_MAX, D, "fflags"},
-{"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},
-{"fer", "set error detection aggressivity", OFFSET(error_recognition), FF_OPT_TYPE_INT, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, D, "fer"},
-{"careful", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, D, "fer"},
-{"explode", "abort decoding on error recognition", 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_EXPLODE }, INT_MIN, INT_MAX, D, "fer"},
-{"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;
-#undef E
-#undef D
-#undef DEFAULT
+ if (!prev)
+ return &ffio_url_class;
+
+ 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)
projects / ffmpeg / blobdiff