/*
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
-#include "libavcodec/opt.h"
+#include "avio_internal.h"
+#include "libavutil/opt.h"
/**
* @file
* Options definition for AVFormatContext.
*/
+#include "options_table.h"
+
static const char* format_to_name(void* ptr)
{
AVFormatContext* fc = (AVFormatContext*) ptr;
else 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, 5000000, 32, INT_MAX, D},
-{"muxrate", "set mux rate", OFFSET(mux_rate), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
-{"packetsize", "set packet size", OFFSET(packet_size), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
-{"fflags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, D|E, "fflags"},
-{"ignidx", "ignore index", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNIDX, INT_MIN, INT_MAX, D, "fflags"},
-{"genpts", "generate pts", 0, FF_OPT_TYPE_CONST, 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, AVFMT_FLAG_NOFILLIN, INT_MIN, INT_MAX, D, "fflags"},
-{"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOPARSE, INT_MIN, INT_MAX, D, "fflags"},
-{"igndts", "ignore dts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNDTS, INT_MIN, INT_MAX, D, "fflags"},
-{"rtphint", "add rtp hinting", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_RTP_HINT, INT_MIN, INT_MAX, E, "fflags"},
-#if FF_API_OLD_METADATA
-{"track", " set the track number", OFFSET(track), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
-{"year", "set the year", OFFSET(year), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, E},
-#endif
-{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, 5*AV_TIME_BASE, 0, INT_MAX, D},
-{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, 0, 0, 0, D},
-{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), FF_OPT_TYPE_INT, 1<<20, 0, INT_MAX, D},
-{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), FF_OPT_TYPE_INT, 3041280, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */
-{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, E|D, "fdebug"},
-{"ts", NULL, 0, FF_OPT_TYPE_CONST, FF_FDEBUG_TS, INT_MIN, INT_MAX, E|D, "fdebug"},
-{NULL},
-};
+static void *format_child_next(void *obj, void *prev)
+{
+ 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;
+}
+
+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;
-static const AVClass av_format_context_class = { "AVFormatContext", format_to_name, options, LIBAVUTIL_VERSION_INT };
+ 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,
+ .child_next = format_child_next,
+ .child_class_next = format_child_class_next,
+};
static void avformat_get_context_defaults(AVFormatContext *s)
{
ic = av_malloc(sizeof(AVFormatContext));
if (!ic) return ic;
avformat_get_context_defaults(ic);
- ic->av_class = &av_format_context_class;
return ic;
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
-AVFormatContext *av_alloc_format_context(void)
+const AVClass *avformat_get_class(void)
{
- return avformat_alloc_context();
+ return &av_format_context_class;
}
-#endif
projects / ffmpeg / blobdiff