*/
#include "avformat.h"
#include "avio_internal.h"
+#include "internal.h"
+#include "url.h"
+
+#include "libavutil/internal.h"
#include "libavutil/opt.h"
/**
* Options definition for AVFormatContext.
*/
+FF_DISABLE_DEPRECATION_WARNINGS
+#include "options_table.h"
+FF_ENABLE_DEPRECATION_WARNINGS
+
static const char* format_to_name(void* ptr)
{
AVFormatContext* fc = (AVFormatContext*) ptr;
AVOutputFormat *ofmt = NULL;
if (!prev)
- return &ffio_url_class;
+ return &ff_avio_class;
while ((ifmt = av_iformat_next(ifmt)))
if (ifmt->priv_class == prev)
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), AV_OPT_TYPE_INT, {.dbl = 5000000 }, 32, INT_MAX, D},
-#if FF_API_MUXRATE
-{"muxrate", "set mux rate", OFFSET(mux_rate), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E},
-#endif
-{"packetsize", "set packet size", OFFSET(packet_size), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E},
-{"fflags", NULL, OFFSET(flags), AV_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, D|E, "fflags"},
-{"ignidx", "ignore index", 0, AV_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNIDX }, INT_MIN, INT_MAX, D, "fflags"},
-{"genpts", "generate pts", 0, AV_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, AV_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOFILLIN }, INT_MIN, INT_MAX, D, "fflags"},
-{"noparse", "disable AVParsers, this needs nofillin too", 0, AV_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_NOPARSE }, INT_MIN, INT_MAX, D, "fflags"},
-{"igndts", "ignore dts", 0, AV_OPT_TYPE_CONST, {.dbl = AVFMT_FLAG_IGNDTS }, INT_MIN, INT_MAX, D, "fflags"},
-{"discardcorrupt", "discard corrupted frames", 0, AV_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), AV_OPT_TYPE_INT, {.dbl = 5*AV_TIME_BASE }, 0, INT_MAX, D},
-{"cryptokey", "decryption key", OFFSET(key), AV_OPT_TYPE_BINARY, {.dbl = 0}, 0, 0, D},
-{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), AV_OPT_TYPE_INT, {.dbl = 1<<20 }, 0, INT_MAX, D},
-{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), AV_OPT_TYPE_INT, {.dbl = 3041280 }, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */
-{"fdebug", "print specific debug info", OFFSET(debug), AV_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, E|D, "fdebug"},
-{"ts", NULL, 0, AV_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), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E|D},
-{"fpsprobesize", "number of frames used to probe fps", OFFSET(fps_probe_size), AV_OPT_TYPE_INT, {.dbl = -1}, -1, INT_MAX-1, D},
-/* this is a crutch for avconv, since it cannot deal with identically named options in different contexts.
- * to be removed when avconv is fixed */
-{"f_err_detect", "set error detection flags (deprecated; use err_detect, save via avconv)", OFFSET(error_recognition), AV_OPT_TYPE_FLAGS, {.dbl = AV_EF_CRCCHECK }, INT_MIN, INT_MAX, D, "err_detect"},
-{"err_detect", "set error detection flags", OFFSET(error_recognition), AV_OPT_TYPE_FLAGS, {.dbl = AV_EF_CRCCHECK }, INT_MIN, INT_MAX, D, "err_detect"},
-{"crccheck", "verify embedded CRCs", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_CRCCHECK }, INT_MIN, INT_MAX, D, "err_detect"},
-{"bitstream", "detect bitstream specification deviations", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_BITSTREAM }, INT_MIN, INT_MAX, D, "err_detect"},
-{"buffer", "detect improper bitstream length", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_BUFFER }, INT_MIN, INT_MAX, D, "err_detect"},
-{"explode", "abort decoding on minor error detection", 0, AV_OPT_TYPE_CONST, {.dbl = AV_EF_EXPLODE }, INT_MIN, INT_MAX, D, "err_detect"},
-{NULL},
-};
-
-#undef E
-#undef D
-#undef DEFAULT
-
static const AVClass av_format_context_class = {
.class_name = "AVFormatContext",
.item_name = format_to_name,
- .option = options,
+ .option = avformat_options,
.version = LIBAVUTIL_VERSION_INT,
.child_next = format_child_next,
.child_class_next = format_child_class_next,
};
+static int io_open_default(AVFormatContext *s, AVIOContext **pb,
+ const char *url, int flags, AVDictionary **options)
+{
+ AVDictionary *opts_local = NULL;
+ int ret;
+
+ if (!options)
+ options = &opts_local;
+
+ if (s->protocol_whitelist) {
+ ret = av_dict_set(options, "protocol_whitelist", s->protocol_whitelist, 0);
+ if (ret < 0)
+ goto finish;
+ }
+ if (s->protocol_blacklist) {
+ ret = av_dict_set(options, "protocol_blacklist", s->protocol_blacklist, 0);
+ if (ret < 0)
+ goto finish;
+ }
+ ret = avio_open2(pb, url, flags, &s->interrupt_callback, options);
+finish:
+ av_dict_free(&opts_local);
+ return ret;
+}
+
+static void io_close_default(AVFormatContext *s, AVIOContext *pb)
+{
+ avio_close(pb);
+}
+
static void avformat_get_context_defaults(AVFormatContext *s)
{
memset(s, 0, sizeof(AVFormatContext));
s->av_class = &av_format_context_class;
+ s->io_open = io_open_default;
+ s->io_close = io_close_default;
+
av_opt_set_defaults(s);
}
ic = av_malloc(sizeof(AVFormatContext));
if (!ic) return ic;
avformat_get_context_defaults(ic);
+
+ ic->internal = av_mallocz(sizeof(*ic->internal));
+ if (!ic->internal) {
+ avformat_free_context(ic);
+ return NULL;
+ }
+ ic->internal->offset = AV_NOPTS_VALUE;
+
return ic;
}