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-rw-r--r--media/ffvpx/libavutil/dummy_funcs.c62
-rw-r--r--media/ffvpx/libavutil/moz.build1
-rw-r--r--media/ffvpx/libavutil/opt.c1994
3 files changed, 1995 insertions, 62 deletions
diff --git a/media/ffvpx/libavutil/dummy_funcs.c b/media/ffvpx/libavutil/dummy_funcs.c
index 2ea84a140..e579fcc89 100644
--- a/media/ffvpx/libavutil/dummy_funcs.c
+++ b/media/ffvpx/libavutil/dummy_funcs.c
@@ -5,7 +5,6 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "avutil.h"
-#include "opt.h"
// cpu_internal.c
int ff_get_cpu_flags_aarch64(void) { return 0; }
@@ -19,65 +18,4 @@ void ff_float_dsp_init_arm(AVFloatDSPContext *fdsp) {}
void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int strict) {}
void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) {}
-// opt.c
-int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags) { return 0; }
-void av_opt_set_defaults(void *s) {}
-void av_opt_set_defaults2(void *s, int mask, int flags) {}
-int av_set_options_string(void *ctx, const char *opts,
- const char *key_val_sep, const char *pairs_sep) { return 0; }
-int av_opt_set_from_string(void *ctx, const char *opts,
- const char *const *shorthand,
- const char *key_val_sep, const char *pairs_sep) { return 0; }
-void av_opt_free(void *obj) {}
-int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name) { return 0; }
-int av_opt_set_dict(void *obj, struct AVDictionary **options) { return 0; }
-int av_opt_set_dict2(void *obj, struct AVDictionary **options, int search_flags) { return 0; }
-int av_opt_get_key_value(const char **ropts,
- const char *key_val_sep, const char *pairs_sep,
- unsigned flags,
- char **rkey, char **rval) { return 0; }
-int av_opt_eval_flags (void *obj, const AVOption *o, const char *val, int *flags_out) { return 0; }
-int av_opt_eval_int (void *obj, const AVOption *o, const char *val, int *int_out) { return 0; }
-int av_opt_eval_int64 (void *obj, const AVOption *o, const char *val, int64_t *int64_out) { return 0; }
-int av_opt_eval_float (void *obj, const AVOption *o, const char *val, float *float_out) { return 0; }
-int av_opt_eval_double(void *obj, const AVOption *o, const char *val, double *double_out) { return 0; }
-int av_opt_eval_q (void *obj, const AVOption *o, const char *val, AVRational *q_out) { return 0; }
-const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
- int opt_flags, int search_flags) { return 0; }
-const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
- int opt_flags, int search_flags, void **target_obj) { return 0; }
-const AVOption *av_opt_next(const void *obj, const AVOption *prev) { return 0; }
-void *av_opt_child_next(void *obj, void *prev) { return 0; }
-const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev) { return 0; }
-int av_opt_set (void *obj, const char *name, const char *val, int search_flags) { return 0; }
-int av_opt_set_int (void *obj, const char *name, int64_t val, int search_flags) { return 0; }
-int av_opt_set_double (void *obj, const char *name, double val, int search_flags) { return 0; }
-int av_opt_set_q (void *obj, const char *name, AVRational val, int search_flags) { return 0; }
-int av_opt_set_bin (void *obj, const char *name, const uint8_t *val, int size, int search_flags) { return 0; }
-int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_flags) { return 0; }
-int av_opt_set_pixel_fmt (void *obj, const char *name, enum AVPixelFormat fmt, int search_flags) { return 0; }
-int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags) { return 0; }
-int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags) { return 0; }
-int av_opt_set_channel_layout(void *obj, const char *name, int64_t ch_layout, int search_flags) { return 0; }
-int av_opt_set_dict_val(void *obj, const char *name, const AVDictionary *val, int search_flags) { return 0; }
-int av_opt_get (void *obj, const char *name, int search_flags, uint8_t **out_val) { return 0; }
-int av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val) { return 0; }
-int av_opt_get_double (void *obj, const char *name, int search_flags, double *out_val) { return 0; }
-int av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val) { return 0; }
-int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_out, int *h_out) { return 0; }
-int av_opt_get_pixel_fmt (void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt) { return 0; }
-int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt) { return 0; }
-int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val) { return 0; }
-int av_opt_get_channel_layout(void *obj, const char *name, int search_flags, int64_t *ch_layout) { return 0; }
-int av_opt_get_dict_val(void *obj, const char *name, int search_flags, AVDictionary **out_val) { return 0; }
-void *av_opt_ptr(const AVClass *avclass, void *obj, const char *name) { return 0; }
-void av_opt_freep_ranges(AVOptionRanges **ranges) {}
-int av_opt_query_ranges(AVOptionRanges **b, void *obj, const char *key, int flags) { return 0; }
-int av_opt_copy(void *dest, const void *src) { return 0; }
-int av_opt_query_ranges_default(AVOptionRanges **b, void *obj, const char *key, int flags) { return 0; }
-int av_opt_is_set_to_default(void *obj, const AVOption *o) { return 0; }
-int av_opt_is_set_to_default_by_name(void *obj, const char *name, int search_flags) { return 0; }
-int av_opt_serialize(void *obj, int opt_flags, int flags, char **buffer,
- const char key_val_sep, const char pairs_sep) { return 0; }
-
int av_hwframe_get_buffer(struct AVBufferRef* hwframe_ref, struct AVFrame* frame, int flags) { return 0; }
diff --git a/media/ffvpx/libavutil/moz.build b/media/ffvpx/libavutil/moz.build
index edc0888b1..a1c920f42 100644
--- a/media/ffvpx/libavutil/moz.build
+++ b/media/ffvpx/libavutil/moz.build
@@ -38,6 +38,7 @@ SOURCES += [
'log2_tab.c',
'mathematics.c',
'mem.c',
+ 'opt.c',
'parseutils.c',
'pixdesc.c',
'pixelutils.c',
diff --git a/media/ffvpx/libavutil/opt.c b/media/ffvpx/libavutil/opt.c
new file mode 100644
index 000000000..cd16bd1d3
--- /dev/null
+++ b/media/ffvpx/libavutil/opt.c
@@ -0,0 +1,1994 @@
+/*
+ * AVOptions
+ * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AVOptions
+ * @author Michael Niedermayer <michaelni@gmx.at>
+ */
+
+#include "avutil.h"
+#include "avassert.h"
+#include "avstring.h"
+#include "channel_layout.h"
+#include "common.h"
+#include "dict.h"
+#include "eval.h"
+#include "log.h"
+#include "parseutils.h"
+#include "pixdesc.h"
+#include "mathematics.h"
+#include "opt.h"
+#include "samplefmt.h"
+#include "bprint.h"
+
+#include <float.h>
+
+const AVOption *av_opt_next(const void *obj, const AVOption *last)
+{
+ const AVClass *class;
+ if (!obj)
+ return NULL;
+ class = *(const AVClass**)obj;
+ if (!last && class && class->option && class->option[0].name)
+ return class->option;
+ if (last && last[1].name)
+ return ++last;
+ return NULL;
+}
+
+static int read_number(const AVOption *o, const void *dst, double *num, int *den, int64_t *intnum)
+{
+ switch (o->type) {
+ case AV_OPT_TYPE_FLAGS:
+ *intnum = *(unsigned int*)dst;
+ return 0;
+ case AV_OPT_TYPE_PIXEL_FMT:
+ *intnum = *(enum AVPixelFormat *)dst;
+ return 0;
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ *intnum = *(enum AVSampleFormat *)dst;
+ return 0;
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_INT:
+ *intnum = *(int *)dst;
+ return 0;
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_INT64:
+ *intnum = *(int64_t *)dst;
+ return 0;
+ case AV_OPT_TYPE_FLOAT:
+ *num = *(float *)dst;
+ return 0;
+ case AV_OPT_TYPE_DOUBLE:
+ *num = *(double *)dst;
+ return 0;
+ case AV_OPT_TYPE_RATIONAL:
+ *intnum = ((AVRational *)dst)->num;
+ *den = ((AVRational *)dst)->den;
+ return 0;
+ case AV_OPT_TYPE_CONST:
+ *num = o->default_val.dbl;
+ return 0;
+ }
+ return AVERROR(EINVAL);
+}
+
+static int write_number(void *obj, const AVOption *o, void *dst, double num, int den, int64_t intnum)
+{
+ if (o->type != AV_OPT_TYPE_FLAGS &&
+ (o->max * den < num * intnum || o->min * den > num * intnum)) {
+ num = den ? num * intnum / den : (num * intnum ? INFINITY : NAN);
+ av_log(obj, AV_LOG_ERROR, "Value %f for parameter '%s' out of range [%g - %g]\n",
+ num, o->name, o->min, o->max);
+ return AVERROR(ERANGE);
+ }
+ if (o->type == AV_OPT_TYPE_FLAGS) {
+ double d = num*intnum/den;
+ if (d < -1.5 || d > 0xFFFFFFFF+0.5 || (llrint(d*256) & 255)) {
+ av_log(obj, AV_LOG_ERROR,
+ "Value %f for parameter '%s' is not a valid set of 32bit integer flags\n",
+ num*intnum/den, o->name);
+ return AVERROR(ERANGE);
+ }
+ }
+
+ switch (o->type) {
+ case AV_OPT_TYPE_PIXEL_FMT:
+ *(enum AVPixelFormat *)dst = llrint(num / den) * intnum;
+ break;
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ *(enum AVSampleFormat *)dst = llrint(num / den) * intnum;
+ break;
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_INT:
+ *(int *)dst = llrint(num / den) * intnum;
+ break;
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ case AV_OPT_TYPE_INT64:
+ *(int64_t *)dst = llrint(num / den) * intnum;
+ break;
+ case AV_OPT_TYPE_FLOAT:
+ *(float *)dst = num * intnum / den;
+ break;
+ case AV_OPT_TYPE_DOUBLE:
+ *(double *)dst = num * intnum / den;
+ break;
+ case AV_OPT_TYPE_RATIONAL:
+ case AV_OPT_TYPE_VIDEO_RATE:
+ if ((int) num == num)
+ *(AVRational *)dst = (AVRational) { num *intnum, den };
+ else
+ *(AVRational *)dst = av_d2q(num * intnum / den, 1 << 24);
+ break;
+ default:
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static int hexchar2int(char c) {
+ if (c >= '0' && c <= '9')
+ return c - '0';
+ if (c >= 'a' && c <= 'f')
+ return c - 'a' + 10;
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+ return -1;
+}
+
+static int set_string_binary(void *obj, const AVOption *o, const char *val, uint8_t **dst)
+{
+ int *lendst = (int *)(dst + 1);
+ uint8_t *bin, *ptr;
+ int len;
+
+ av_freep(dst);
+ *lendst = 0;
+
+ if (!val || !(len = strlen(val)))
+ return 0;
+
+ if (len & 1)
+ return AVERROR(EINVAL);
+ len /= 2;
+
+ ptr = bin = av_malloc(len);
+ if (!ptr)
+ return AVERROR(ENOMEM);
+ while (*val) {
+ int a = hexchar2int(*val++);
+ int b = hexchar2int(*val++);
+ if (a < 0 || b < 0) {
+ av_free(bin);
+ return AVERROR(EINVAL);
+ }
+ *ptr++ = (a << 4) | b;
+ }
+ *dst = bin;
+ *lendst = len;
+
+ return 0;
+}
+
+static int set_string(void *obj, const AVOption *o, const char *val, uint8_t **dst)
+{
+ av_freep(dst);
+ *dst = av_strdup(val);
+ return *dst ? 0 : AVERROR(ENOMEM);
+}
+
+#define DEFAULT_NUMVAL(opt) ((opt->type == AV_OPT_TYPE_INT64 || \
+ opt->type == AV_OPT_TYPE_CONST || \
+ opt->type == AV_OPT_TYPE_FLAGS || \
+ opt->type == AV_OPT_TYPE_INT) \
+ ? opt->default_val.i64 \
+ : opt->default_val.dbl)
+
+static int set_string_number(void *obj, void *target_obj, const AVOption *o, const char *val, void *dst)
+{
+ int ret = 0;
+ int num, den;
+ char c;
+
+ if (sscanf(val, "%d%*1[:/]%d%c", &num, &den, &c) == 2) {
+ if ((ret = write_number(obj, o, dst, 1, den, num)) >= 0)
+ return ret;
+ ret = 0;
+ }
+
+ for (;;) {
+ int i = 0;
+ char buf[256];
+ int cmd = 0;
+ double d;
+ int64_t intnum = 1;
+
+ if (o->type == AV_OPT_TYPE_FLAGS) {
+ if (*val == '+' || *val == '-')
+ cmd = *(val++);
+ for (; i < sizeof(buf) - 1 && val[i] && val[i] != '+' && val[i] != '-'; i++)
+ buf[i] = val[i];
+ buf[i] = 0;
+ }
+
+ {
+ const AVOption *o_named = av_opt_find(target_obj, i ? buf : val, o->unit, 0, 0);
+ int res;
+ int ci = 0;
+ double const_values[64];
+ const char * const_names[64];
+ if (o_named && o_named->type == AV_OPT_TYPE_CONST)
+ d = DEFAULT_NUMVAL(o_named);
+ else {
+ if (o->unit) {
+ for (o_named = NULL; o_named = av_opt_next(target_obj, o_named); ) {
+ if (o_named->type == AV_OPT_TYPE_CONST &&
+ o_named->unit &&
+ !strcmp(o_named->unit, o->unit)) {
+ if (ci + 6 >= FF_ARRAY_ELEMS(const_values)) {
+ av_log(obj, AV_LOG_ERROR, "const_values array too small for %s\n", o->unit);
+ return AVERROR_PATCHWELCOME;
+ }
+ const_names [ci ] = o_named->name;
+ const_values[ci++] = DEFAULT_NUMVAL(o_named);
+ }
+ }
+ }
+ const_names [ci ] = "default";
+ const_values[ci++] = DEFAULT_NUMVAL(o);
+ const_names [ci ] = "max";
+ const_values[ci++] = o->max;
+ const_names [ci ] = "min";
+ const_values[ci++] = o->min;
+ const_names [ci ] = "none";
+ const_values[ci++] = 0;
+ const_names [ci ] = "all";
+ const_values[ci++] = ~0;
+ const_names [ci] = NULL;
+ const_values[ci] = 0;
+
+ res = av_expr_parse_and_eval(&d, i ? buf : val, const_names,
+ const_values, NULL, NULL, NULL, NULL, NULL, 0, obj);
+ if (res < 0) {
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\"\n", val);
+ return res;
+ }
+ }
+ }
+ if (o->type == AV_OPT_TYPE_FLAGS) {
+ read_number(o, dst, NULL, NULL, &intnum);
+ if (cmd == '+')
+ d = intnum | (int64_t)d;
+ else if (cmd == '-')
+ d = intnum &~(int64_t)d;
+ }
+
+ if ((ret = write_number(obj, o, dst, d, 1, 1)) < 0)
+ return ret;
+ val += i;
+ if (!i || !*val)
+ return 0;
+ }
+
+ return 0;
+}
+
+static int set_string_image_size(void *obj, const AVOption *o, const char *val, int *dst)
+{
+ int ret;
+
+ if (!val || !strcmp(val, "none")) {
+ dst[0] =
+ dst[1] = 0;
+ return 0;
+ }
+ ret = av_parse_video_size(dst, dst + 1, val);
+ if (ret < 0)
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as image size\n", val);
+ return ret;
+}
+
+static int set_string_video_rate(void *obj, const AVOption *o, const char *val, AVRational *dst)
+{
+ int ret;
+ if (!val) {
+ ret = AVERROR(EINVAL);
+ } else {
+ ret = av_parse_video_rate(dst, val);
+ }
+ if (ret < 0)
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as video rate\n", val);
+ return ret;
+}
+
+static int set_string_color(void *obj, const AVOption *o, const char *val, uint8_t *dst)
+{
+ int ret;
+
+ if (!val) {
+ return 0;
+ } else {
+ ret = av_parse_color(dst, val, -1, obj);
+ if (ret < 0)
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as color\n", val);
+ return ret;
+ }
+ return 0;
+}
+
+static const char *get_bool_name(int val)
+{
+ if (val < 0)
+ return "auto";
+ return val ? "true" : "false";
+}
+
+static int set_string_bool(void *obj, const AVOption *o, const char *val, int *dst)
+{
+ int n;
+
+ if (!val)
+ return 0;
+
+ if (!strcmp(val, "auto")) {
+ n = -1;
+ } else if (av_match_name(val, "true,y,yes,enable,enabled,on")) {
+ n = 1;
+ } else if (av_match_name(val, "false,n,no,disable,disabled,off")) {
+ n = 0;
+ } else {
+ char *end = NULL;
+ n = strtol(val, &end, 10);
+ if (val + strlen(val) != end)
+ goto fail;
+ }
+
+ if (n < o->min || n > o->max)
+ goto fail;
+
+ *dst = n;
+ return 0;
+
+fail:
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as boolean\n", val);
+ return AVERROR(EINVAL);
+}
+
+static int set_string_fmt(void *obj, const AVOption *o, const char *val, uint8_t *dst,
+ int fmt_nb, int ((*get_fmt)(const char *)), const char *desc)
+{
+ int fmt, min, max;
+
+ if (!val || !strcmp(val, "none")) {
+ fmt = -1;
+ } else {
+ fmt = get_fmt(val);
+ if (fmt == -1) {
+ char *tail;
+ fmt = strtol(val, &tail, 0);
+ if (*tail || (unsigned)fmt >= fmt_nb) {
+ av_log(obj, AV_LOG_ERROR,
+ "Unable to parse option value \"%s\" as %s\n", val, desc);
+ return AVERROR(EINVAL);
+ }
+ }
+ }
+
+ min = FFMAX(o->min, -1);
+ max = FFMIN(o->max, fmt_nb-1);
+
+ // hack for compatibility with old ffmpeg
+ if(min == 0 && max == 0) {
+ min = -1;
+ max = fmt_nb-1;
+ }
+
+ if (fmt < min || fmt > max) {
+ av_log(obj, AV_LOG_ERROR,
+ "Value %d for parameter '%s' out of %s format range [%d - %d]\n",
+ fmt, o->name, desc, min, max);
+ return AVERROR(ERANGE);
+ }
+
+ *(int *)dst = fmt;
+ return 0;
+}
+
+static int set_string_pixel_fmt(void *obj, const AVOption *o, const char *val, uint8_t *dst)
+{
+ return set_string_fmt(obj, o, val, dst,
+ AV_PIX_FMT_NB, av_get_pix_fmt, "pixel format");
+}
+
+static int set_string_sample_fmt(void *obj, const AVOption *o, const char *val, uint8_t *dst)
+{
+ return set_string_fmt(obj, o, val, dst,
+ AV_SAMPLE_FMT_NB, av_get_sample_fmt, "sample format");
+}
+
+int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
+{
+ int ret = 0;
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (!val && (o->type != AV_OPT_TYPE_STRING &&
+ o->type != AV_OPT_TYPE_PIXEL_FMT && o->type != AV_OPT_TYPE_SAMPLE_FMT &&
+ o->type != AV_OPT_TYPE_IMAGE_SIZE && o->type != AV_OPT_TYPE_VIDEO_RATE &&
+ o->type != AV_OPT_TYPE_DURATION && o->type != AV_OPT_TYPE_COLOR &&
+ o->type != AV_OPT_TYPE_CHANNEL_LAYOUT && o->type != AV_OPT_TYPE_BOOL))
+ return AVERROR(EINVAL);
+
+ if (o->flags & AV_OPT_FLAG_READONLY)
+ return AVERROR(EINVAL);
+
+ dst = ((uint8_t *)target_obj) + o->offset;
+ switch (o->type) {
+ case AV_OPT_TYPE_BOOL:
+ return set_string_bool(obj, o, val, dst);
+ case AV_OPT_TYPE_STRING:
+ return set_string(obj, o, val, dst);
+ case AV_OPT_TYPE_BINARY:
+ return set_string_binary(obj, o, val, dst);
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64:
+ case AV_OPT_TYPE_FLOAT:
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_RATIONAL:
+ return set_string_number(obj, target_obj, o, val, dst);
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ return set_string_image_size(obj, o, val, dst);
+ case AV_OPT_TYPE_VIDEO_RATE: {
+ AVRational tmp;
+ ret = set_string_video_rate(obj, o, val, &tmp);
+ if (ret < 0)
+ return ret;
+ return write_number(obj, o, dst, 1, tmp.den, tmp.num);
+ }
+ case AV_OPT_TYPE_PIXEL_FMT:
+ return set_string_pixel_fmt(obj, o, val, dst);
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ return set_string_sample_fmt(obj, o, val, dst);
+ case AV_OPT_TYPE_DURATION:
+ if (!val) {
+ *(int64_t *)dst = 0;
+ return 0;
+ } else {
+ if ((ret = av_parse_time(dst, val, 1)) < 0)
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as duration\n", val);
+ return ret;
+ }
+ break;
+ case AV_OPT_TYPE_COLOR:
+ return set_string_color(obj, o, val, dst);
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ if (!val || !strcmp(val, "none")) {
+ *(int64_t *)dst = 0;
+ } else {
+ int64_t cl = av_get_channel_layout(val);
+ if (!cl) {
+ av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as channel layout\n", val);
+ ret = AVERROR(EINVAL);
+ }
+ *(int64_t *)dst = cl;
+ return ret;
+ }
+ break;
+ }
+
+ av_log(obj, AV_LOG_ERROR, "Invalid option type.\n");
+ return AVERROR(EINVAL);
+}
+
+#define OPT_EVAL_NUMBER(name, opttype, vartype) \
+int av_opt_eval_ ## name(void *obj, const AVOption *o, \
+ const char *val, vartype *name ## _out) \
+{ \
+ if (!o || o->type != opttype || o->flags & AV_OPT_FLAG_READONLY) \
+ return AVERROR(EINVAL); \
+ return set_string_number(obj, obj, o, val, name ## _out); \
+}
+
+OPT_EVAL_NUMBER(flags, AV_OPT_TYPE_FLAGS, int)
+OPT_EVAL_NUMBER(int, AV_OPT_TYPE_INT, int)
+OPT_EVAL_NUMBER(int64, AV_OPT_TYPE_INT64, int64_t)
+OPT_EVAL_NUMBER(float, AV_OPT_TYPE_FLOAT, float)
+OPT_EVAL_NUMBER(double, AV_OPT_TYPE_DOUBLE, double)
+OPT_EVAL_NUMBER(q, AV_OPT_TYPE_RATIONAL, AVRational)
+
+static int set_number(void *obj, const char *name, double num, int den, int64_t intnum,
+ int search_flags)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+
+ if (o->flags & AV_OPT_FLAG_READONLY)
+ return AVERROR(EINVAL);
+
+ dst = ((uint8_t *)target_obj) + o->offset;
+ return write_number(obj, o, dst, num, den, intnum);
+}
+
+int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
+{
+ return set_number(obj, name, 1, 1, val, search_flags);
+}
+
+int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
+{
+ return set_number(obj, name, val, 1, 1, search_flags);
+}
+
+int av_opt_set_q(void *obj, const char *name, AVRational val, int search_flags)
+{
+ return set_number(obj, name, val.num, val.den, 1, search_flags);
+}
+
+int av_opt_set_bin(void *obj, const char *name, const uint8_t *val, int len, int search_flags)
+{
+ void *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ uint8_t *ptr;
+ uint8_t **dst;
+ int *lendst;
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+
+ if (o->type != AV_OPT_TYPE_BINARY || o->flags & AV_OPT_FLAG_READONLY)
+ return AVERROR(EINVAL);
+
+ ptr = len ? av_malloc(len) : NULL;
+ if (len && !ptr)
+ return AVERROR(ENOMEM);
+
+ dst = (uint8_t **)(((uint8_t *)target_obj) + o->offset);
+ lendst = (int *)(dst + 1);
+
+ av_free(*dst);
+ *dst = ptr;
+ *lendst = len;
+ if (len)
+ memcpy(ptr, val, len);
+
+ return 0;
+}
+
+int av_opt_set_image_size(void *obj, const char *name, int w, int h, int search_flags)
+{
+ void *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_IMAGE_SIZE) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value set by option '%s' is not an image size.\n", o->name);
+ return AVERROR(EINVAL);
+ }
+ if (w<0 || h<0) {
+ av_log(obj, AV_LOG_ERROR,
+ "Invalid negative size value %dx%d for size '%s'\n", w, h, o->name);
+ return AVERROR(EINVAL);
+ }
+ *(int *)(((uint8_t *)target_obj) + o->offset) = w;
+ *(int *)(((uint8_t *)target_obj+sizeof(int)) + o->offset) = h;
+ return 0;
+}
+
+int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int search_flags)
+{
+ void *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_VIDEO_RATE) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value set by option '%s' is not a video rate.\n", o->name);
+ return AVERROR(EINVAL);
+ }
+ if (val.num <= 0 || val.den <= 0)
+ return AVERROR(EINVAL);
+ return set_number(obj, name, val.num, val.den, 1, search_flags);
+}
+
+static int set_format(void *obj, const char *name, int fmt, int search_flags,
+ enum AVOptionType type, const char *desc, int nb_fmts)
+{
+ void *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0,
+ search_flags, &target_obj);
+ int min, max;
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != type) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value set by option '%s' is not a %s format", name, desc);
+ return AVERROR(EINVAL);
+ }
+
+ min = FFMAX(o->min, -1);
+ max = FFMIN(o->max, nb_fmts-1);
+
+ if (fmt < min || fmt > max) {
+ av_log(obj, AV_LOG_ERROR,
+ "Value %d for parameter '%s' out of %s format range [%d - %d]\n",
+ fmt, name, desc, min, max);
+ return AVERROR(ERANGE);
+ }
+ *(int *)(((uint8_t *)target_obj) + o->offset) = fmt;
+ return 0;
+}
+
+int av_opt_set_pixel_fmt(void *obj, const char *name, enum AVPixelFormat fmt, int search_flags)
+{
+ return set_format(obj, name, fmt, search_flags, AV_OPT_TYPE_PIXEL_FMT, "pixel", AV_PIX_FMT_NB);
+}
+
+int av_opt_set_sample_fmt(void *obj, const char *name, enum AVSampleFormat fmt, int search_flags)
+{
+ return set_format(obj, name, fmt, search_flags, AV_OPT_TYPE_SAMPLE_FMT, "sample", AV_SAMPLE_FMT_NB);
+}
+
+int av_opt_set_channel_layout(void *obj, const char *name, int64_t cl, int search_flags)
+{
+ void *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_CHANNEL_LAYOUT) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value set by option '%s' is not a channel layout.\n", o->name);
+ return AVERROR(EINVAL);
+ }
+ *(int64_t *)(((uint8_t *)target_obj) + o->offset) = cl;
+ return 0;
+}
+
+int av_opt_set_dict_val(void *obj, const char *name, const AVDictionary *val,
+ int search_flags)
+{
+ void *target_obj;
+ AVDictionary **dst;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->flags & AV_OPT_FLAG_READONLY)
+ return AVERROR(EINVAL);
+
+ dst = (AVDictionary **)(((uint8_t *)target_obj) + o->offset);
+ av_dict_free(dst);
+ av_dict_copy(dst, val, 0);
+
+ return 0;
+}
+
+static void format_duration(char *buf, size_t size, int64_t d)
+{
+ char *e;
+
+ av_assert0(size >= 25);
+ if (d < 0 && d != INT64_MIN) {
+ *(buf++) = '-';
+ size--;
+ d = -d;
+ }
+ if (d == INT64_MAX)
+ snprintf(buf, size, "INT64_MAX");
+ else if (d == INT64_MIN)
+ snprintf(buf, size, "INT64_MIN");
+ else if (d > (int64_t)3600*1000000)
+ snprintf(buf, size, "%"PRId64":%02d:%02d.%06d", d / 3600000000,
+ (int)((d / 60000000) % 60),
+ (int)((d / 1000000) % 60),
+ (int)(d % 1000000));
+ else if (d > 60*1000000)
+ snprintf(buf, size, "%d:%02d.%06d",
+ (int)(d / 60000000),
+ (int)((d / 1000000) % 60),
+ (int)(d % 1000000));
+ else
+ snprintf(buf, size, "%d.%06d",
+ (int)(d / 1000000),
+ (int)(d % 1000000));
+ e = buf + strlen(buf);
+ while (e > buf && e[-1] == '0')
+ *(--e) = 0;
+ if (e > buf && e[-1] == '.')
+ *(--e) = 0;
+}
+
+int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ uint8_t *bin, buf[128];
+ int len, i, ret;
+ int64_t i64;
+
+ if (!o || !target_obj || (o->offset<=0 && o->type != AV_OPT_TYPE_CONST))
+ return AVERROR_OPTION_NOT_FOUND;
+
+ dst = (uint8_t *)target_obj + o->offset;
+
+ buf[0] = 0;
+ switch (o->type) {
+ case AV_OPT_TYPE_BOOL:
+ ret = snprintf(buf, sizeof(buf), "%s", (char *)av_x_if_null(get_bool_name(*(int *)dst), "invalid"));
+ break;
+ case AV_OPT_TYPE_FLAGS:
+ ret = snprintf(buf, sizeof(buf), "0x%08X", *(int *)dst);
+ break;
+ case AV_OPT_TYPE_INT:
+ ret = snprintf(buf, sizeof(buf), "%d", *(int *)dst);
+ break;
+ case AV_OPT_TYPE_INT64:
+ ret = snprintf(buf, sizeof(buf), "%"PRId64, *(int64_t *)dst);
+ break;
+ case AV_OPT_TYPE_FLOAT:
+ ret = snprintf(buf, sizeof(buf), "%f", *(float *)dst);
+ break;
+ case AV_OPT_TYPE_DOUBLE:
+ ret = snprintf(buf, sizeof(buf), "%f", *(double *)dst);
+ break;
+ case AV_OPT_TYPE_VIDEO_RATE:
+ case AV_OPT_TYPE_RATIONAL:
+ ret = snprintf(buf, sizeof(buf), "%d/%d", ((AVRational *)dst)->num, ((AVRational *)dst)->den);
+ break;
+ case AV_OPT_TYPE_CONST:
+ ret = snprintf(buf, sizeof(buf), "%f", o->default_val.dbl);
+ break;
+ case AV_OPT_TYPE_STRING:
+ if (*(uint8_t **)dst) {
+ *out_val = av_strdup(*(uint8_t **)dst);
+ } else if (search_flags & AV_OPT_ALLOW_NULL) {
+ *out_val = NULL;
+ return 0;
+ } else {
+ *out_val = av_strdup("");
+ }
+ return *out_val ? 0 : AVERROR(ENOMEM);
+ case AV_OPT_TYPE_BINARY:
+ if (!*(uint8_t **)dst && (search_flags & AV_OPT_ALLOW_NULL)) {
+ *out_val = NULL;
+ return 0;
+ }
+ len = *(int *)(((uint8_t *)dst) + sizeof(uint8_t *));
+ if ((uint64_t)len * 2 + 1 > INT_MAX)
+ return AVERROR(EINVAL);
+ if (!(*out_val = av_malloc(len * 2 + 1)))
+ return AVERROR(ENOMEM);
+ if (!len) {
+ *out_val[0] = '\0';
+ return 0;
+ }
+ bin = *(uint8_t **)dst;
+ for (i = 0; i < len; i++)
+ snprintf(*out_val + i * 2, 3, "%02X", bin[i]);
+ return 0;
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ ret = snprintf(buf, sizeof(buf), "%dx%d", ((int *)dst)[0], ((int *)dst)[1]);
+ break;
+ case AV_OPT_TYPE_PIXEL_FMT:
+ ret = snprintf(buf, sizeof(buf), "%s", (char *)av_x_if_null(av_get_pix_fmt_name(*(enum AVPixelFormat *)dst), "none"));
+ break;
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ ret = snprintf(buf, sizeof(buf), "%s", (char *)av_x_if_null(av_get_sample_fmt_name(*(enum AVSampleFormat *)dst), "none"));
+ break;
+ case AV_OPT_TYPE_DURATION:
+ i64 = *(int64_t *)dst;
+ format_duration(buf, sizeof(buf), i64);
+ ret = strlen(buf); // no overflow possible, checked by an assert
+ break;
+ case AV_OPT_TYPE_COLOR:
+ ret = snprintf(buf, sizeof(buf), "0x%02x%02x%02x%02x",
+ (int)((uint8_t *)dst)[0], (int)((uint8_t *)dst)[1],
+ (int)((uint8_t *)dst)[2], (int)((uint8_t *)dst)[3]);
+ break;
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ i64 = *(int64_t *)dst;
+ ret = snprintf(buf, sizeof(buf), "0x%"PRIx64, i64);
+ break;
+ default:
+ return AVERROR(EINVAL);
+ }
+
+ if (ret >= sizeof(buf))
+ return AVERROR(EINVAL);
+ *out_val = av_strdup(buf);
+ return *out_val ? 0 : AVERROR(ENOMEM);
+}
+
+static int get_number(void *obj, const char *name, const AVOption **o_out, double *num, int *den, int64_t *intnum,
+ int search_flags)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ goto error;
+
+ dst = ((uint8_t *)target_obj) + o->offset;
+
+ if (o_out) *o_out= o;
+
+ return read_number(o, dst, num, den, intnum);
+
+error:
+ *den =
+ *intnum = 0;
+ return -1;
+}
+
+int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+ *out_val = num * intnum / den;
+ return 0;
+}
+
+int av_opt_get_double(void *obj, const char *name, int search_flags, double *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+ *out_val = num * intnum / den;
+ return 0;
+}
+
+int av_opt_get_q(void *obj, const char *name, int search_flags, AVRational *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+
+ if (num == 1.0 && (int)intnum == intnum)
+ *out_val = (AVRational){intnum, den};
+ else
+ *out_val = av_d2q(num*intnum/den, 1<<24);
+ return 0;
+}
+
+int av_opt_get_image_size(void *obj, const char *name, int search_flags, int *w_out, int *h_out)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_IMAGE_SIZE) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value for option '%s' is not an image size.\n", name);
+ return AVERROR(EINVAL);
+ }
+
+ dst = ((uint8_t*)target_obj) + o->offset;
+ if (w_out) *w_out = *(int *)dst;
+ if (h_out) *h_out = *((int *)dst+1);
+ return 0;
+}
+
+int av_opt_get_video_rate(void *obj, const char *name, int search_flags, AVRational *out_val)
+{
+ int64_t intnum = 1;
+ double num = 1;
+ int ret, den = 1;
+
+ if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
+ return ret;
+
+ if (num == 1.0 && (int)intnum == intnum)
+ *out_val = (AVRational) { intnum, den };
+ else
+ *out_val = av_d2q(num * intnum / den, 1 << 24);
+ return 0;
+}
+
+static int get_format(void *obj, const char *name, int search_flags, int *out_fmt,
+ enum AVOptionType type, const char *desc)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != type) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value for option '%s' is not a %s format.\n", desc, name);
+ return AVERROR(EINVAL);
+ }
+
+ dst = ((uint8_t*)target_obj) + o->offset;
+ *out_fmt = *(int *)dst;
+ return 0;
+}
+
+int av_opt_get_pixel_fmt(void *obj, const char *name, int search_flags, enum AVPixelFormat *out_fmt)
+{
+ return get_format(obj, name, search_flags, out_fmt, AV_OPT_TYPE_PIXEL_FMT, "pixel");
+}
+
+int av_opt_get_sample_fmt(void *obj, const char *name, int search_flags, enum AVSampleFormat *out_fmt)
+{
+ return get_format(obj, name, search_flags, out_fmt, AV_OPT_TYPE_SAMPLE_FMT, "sample");
+}
+
+int av_opt_get_channel_layout(void *obj, const char *name, int search_flags, int64_t *cl)
+{
+ void *dst, *target_obj;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_CHANNEL_LAYOUT) {
+ av_log(obj, AV_LOG_ERROR,
+ "The value for option '%s' is not a channel layout.\n", name);
+ return AVERROR(EINVAL);
+ }
+
+ dst = ((uint8_t*)target_obj) + o->offset;
+ *cl = *(int64_t *)dst;
+ return 0;
+}
+
+int av_opt_get_dict_val(void *obj, const char *name, int search_flags, AVDictionary **out_val)
+{
+ void *target_obj;
+ AVDictionary *src;
+ const AVOption *o = av_opt_find2(obj, name, NULL, 0, search_flags, &target_obj);
+
+ if (!o || !target_obj)
+ return AVERROR_OPTION_NOT_FOUND;
+ if (o->type != AV_OPT_TYPE_DICT)
+ return AVERROR(EINVAL);
+
+ src = *(AVDictionary **)(((uint8_t *)target_obj) + o->offset);
+ av_dict_copy(out_val, src, 0);
+
+ return 0;
+}
+
+int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
+{
+ const AVOption *field = av_opt_find(obj, field_name, NULL, 0, 0);
+ const AVOption *flag = av_opt_find(obj, flag_name,
+ field ? field->unit : NULL, 0, 0);
+ int64_t res;
+
+ if (!field || !flag || flag->type != AV_OPT_TYPE_CONST ||
+ av_opt_get_int(obj, field_name, 0, &res) < 0)
+ return 0;
+ return res & flag->default_val.i64;
+}
+
+static void log_value(void *av_log_obj, int level, double d)
+{
+ if (d == INT_MAX) {
+ av_log(av_log_obj, level, "INT_MAX");
+ } else if (d == INT_MIN) {
+ av_log(av_log_obj, level, "INT_MIN");
+ } else if (d == UINT32_MAX) {
+ av_log(av_log_obj, level, "UINT32_MAX");
+ } else if (d == (double)INT64_MAX) {
+ av_log(av_log_obj, level, "I64_MAX");
+ } else if (d == INT64_MIN) {
+ av_log(av_log_obj, level, "I64_MIN");
+ } else if (d == FLT_MAX) {
+ av_log(av_log_obj, level, "FLT_MAX");
+ } else if (d == FLT_MIN) {
+ av_log(av_log_obj, level, "FLT_MIN");
+ } else if (d == -FLT_MAX) {
+ av_log(av_log_obj, level, "-FLT_MAX");
+ } else if (d == -FLT_MIN) {
+ av_log(av_log_obj, level, "-FLT_MIN");
+ } else if (d == DBL_MAX) {
+ av_log(av_log_obj, level, "DBL_MAX");
+ } else if (d == DBL_MIN) {
+ av_log(av_log_obj, level, "DBL_MIN");
+ } else if (d == -DBL_MAX) {
+ av_log(av_log_obj, level, "-DBL_MAX");
+ } else if (d == -DBL_MIN) {
+ av_log(av_log_obj, level, "-DBL_MIN");
+ } else {
+ av_log(av_log_obj, level, "%g", d);
+ }
+}
+
+static const char *get_opt_const_name(void *obj, const char *unit, int64_t value)
+{
+ const AVOption *opt = NULL;
+
+ if (!unit)
+ return NULL;
+ while ((opt = av_opt_next(obj, opt)))
+ if (opt->type == AV_OPT_TYPE_CONST && !strcmp(opt->unit, unit) &&
+ opt->default_val.i64 == value)
+ return opt->name;
+ return NULL;
+}
+
+static char *get_opt_flags_string(void *obj, const char *unit, int64_t value)
+{
+ const AVOption *opt = NULL;
+ char flags[512];
+
+ flags[0] = 0;
+ if (!unit)
+ return NULL;
+ while ((opt = av_opt_next(obj, opt))) {
+ if (opt->type == AV_OPT_TYPE_CONST && !strcmp(opt->unit, unit) &&
+ opt->default_val.i64 & value) {
+ if (flags[0])
+ av_strlcatf(flags, sizeof(flags), "+");
+ av_strlcatf(flags, sizeof(flags), "%s", opt->name);
+ }
+ }
+ if (flags[0])
+ return av_strdup(flags);
+ return NULL;
+}
+
+static void opt_list(void *obj, void *av_log_obj, const char *unit,
+ int req_flags, int rej_flags)
+{
+ const AVOption *opt = NULL;
+ AVOptionRanges *r;
+ int i;
+
+ while ((opt = av_opt_next(obj, opt))) {
+ if (!(opt->flags & req_flags) || (opt->flags & rej_flags))
+ continue;
+
+ /* Don't print CONST's on level one.
+ * Don't print anything but CONST's on level two.
+ * Only print items from the requested unit.
+ */
+ if (!unit && opt->type == AV_OPT_TYPE_CONST)
+ continue;
+ else if (unit && opt->type != AV_OPT_TYPE_CONST)
+ continue;
+ else if (unit && opt->type == AV_OPT_TYPE_CONST && strcmp(unit, opt->unit))
+ continue;
+ else if (unit && opt->type == AV_OPT_TYPE_CONST)
+ av_log(av_log_obj, AV_LOG_INFO, " %-15s ", opt->name);
+ else
+ av_log(av_log_obj, AV_LOG_INFO, " %s%-17s ",
+ (opt->flags & AV_OPT_FLAG_FILTERING_PARAM) ? "" : "-",
+ opt->name);
+
+ switch (opt->type) {
+ case AV_OPT_TYPE_FLAGS:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<flags>");
+ break;
+ case AV_OPT_TYPE_INT:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<int>");
+ break;
+ case AV_OPT_TYPE_INT64:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<int64>");
+ break;
+ case AV_OPT_TYPE_DOUBLE:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<double>");
+ break;
+ case AV_OPT_TYPE_FLOAT:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<float>");
+ break;
+ case AV_OPT_TYPE_STRING:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<string>");
+ break;
+ case AV_OPT_TYPE_RATIONAL:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<rational>");
+ break;
+ case AV_OPT_TYPE_BINARY:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<binary>");
+ break;
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<image_size>");
+ break;
+ case AV_OPT_TYPE_VIDEO_RATE:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<video_rate>");
+ break;
+ case AV_OPT_TYPE_PIXEL_FMT:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<pix_fmt>");
+ break;
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<sample_fmt>");
+ break;
+ case AV_OPT_TYPE_DURATION:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<duration>");
+ break;
+ case AV_OPT_TYPE_COLOR:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<color>");
+ break;
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<channel_layout>");
+ break;
+ case AV_OPT_TYPE_BOOL:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<boolean>");
+ break;
+ case AV_OPT_TYPE_CONST:
+ default:
+ av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "");
+ break;
+ }
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_ENCODING_PARAM) ? 'E' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_DECODING_PARAM) ? 'D' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_FILTERING_PARAM)? 'F' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_VIDEO_PARAM ) ? 'V' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_AUDIO_PARAM ) ? 'A' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) ? 'S' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_EXPORT) ? 'X' : '.');
+ av_log(av_log_obj, AV_LOG_INFO, "%c", (opt->flags & AV_OPT_FLAG_READONLY) ? 'R' : '.');
+
+ if (opt->help)
+ av_log(av_log_obj, AV_LOG_INFO, " %s", opt->help);
+
+ if (av_opt_query_ranges(&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) >= 0) {
+ switch (opt->type) {
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64:
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_FLOAT:
+ case AV_OPT_TYPE_RATIONAL:
+ for (i = 0; i < r->nb_ranges; i++) {
+ av_log(av_log_obj, AV_LOG_INFO, " (from ");
+ log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_min);
+ av_log(av_log_obj, AV_LOG_INFO, " to ");
+ log_value(av_log_obj, AV_LOG_INFO, r->range[i]->value_max);
+ av_log(av_log_obj, AV_LOG_INFO, ")");
+ }
+ break;
+ }
+ av_opt_freep_ranges(&r);
+ }
+
+ if (opt->type != AV_OPT_TYPE_CONST &&
+ opt->type != AV_OPT_TYPE_BINARY &&
+ !((opt->type == AV_OPT_TYPE_COLOR ||
+ opt->type == AV_OPT_TYPE_IMAGE_SIZE ||
+ opt->type == AV_OPT_TYPE_STRING ||
+ opt->type == AV_OPT_TYPE_VIDEO_RATE) &&
+ !opt->default_val.str)) {
+ av_log(av_log_obj, AV_LOG_INFO, " (default ");
+ switch (opt->type) {
+ case AV_OPT_TYPE_BOOL:
+ av_log(av_log_obj, AV_LOG_INFO, "%s", (char *)av_x_if_null(get_bool_name(opt->default_val.i64), "invalid"));
+ break;
+ case AV_OPT_TYPE_FLAGS: {
+ char *def_flags = get_opt_flags_string(obj, opt->unit, opt->default_val.i64);
+ if (def_flags) {
+ av_log(av_log_obj, AV_LOG_INFO, "%s", def_flags);
+ av_freep(&def_flags);
+ } else {
+ av_log(av_log_obj, AV_LOG_INFO, "%"PRIX64, opt->default_val.i64);
+ }
+ break;
+ }
+ case AV_OPT_TYPE_DURATION: {
+ char buf[25];
+ format_duration(buf, sizeof(buf), opt->default_val.i64);
+ av_log(av_log_obj, AV_LOG_INFO, "%s", buf);
+ break;
+ }
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64: {
+ const char *def_const = get_opt_const_name(obj, opt->unit, opt->default_val.i64);
+ if (def_const)
+ av_log(av_log_obj, AV_LOG_INFO, "%s", def_const);
+ else
+ log_value(av_log_obj, AV_LOG_INFO, opt->default_val.i64);
+ break;
+ }
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_FLOAT:
+ log_value(av_log_obj, AV_LOG_INFO, opt->default_val.dbl);
+ break;
+ case AV_OPT_TYPE_RATIONAL: {
+ AVRational q = av_d2q(opt->default_val.dbl, INT_MAX);
+ av_log(av_log_obj, AV_LOG_INFO, "%d/%d", q.num, q.den); }
+ break;
+ case AV_OPT_TYPE_PIXEL_FMT:
+ av_log(av_log_obj, AV_LOG_INFO, "%s", (char *)av_x_if_null(av_get_pix_fmt_name(opt->default_val.i64), "none"));
+ break;
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ av_log(av_log_obj, AV_LOG_INFO, "%s", (char *)av_x_if_null(av_get_sample_fmt_name(opt->default_val.i64), "none"));
+ break;
+ case AV_OPT_TYPE_COLOR:
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ case AV_OPT_TYPE_STRING:
+ case AV_OPT_TYPE_VIDEO_RATE:
+ av_log(av_log_obj, AV_LOG_INFO, "\"%s\"", opt->default_val.str);
+ break;
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ av_log(av_log_obj, AV_LOG_INFO, "0x%"PRIx64, opt->default_val.i64);
+ break;
+ }
+ av_log(av_log_obj, AV_LOG_INFO, ")");
+ }
+
+ av_log(av_log_obj, AV_LOG_INFO, "\n");
+ if (opt->unit && opt->type != AV_OPT_TYPE_CONST)
+ opt_list(obj, av_log_obj, opt->unit, req_flags, rej_flags);
+ }
+}
+
+int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
+{
+ if (!obj)
+ return -1;
+
+ av_log(av_log_obj, AV_LOG_INFO, "%s AVOptions:\n", (*(AVClass **)obj)->class_name);
+
+ opt_list(obj, av_log_obj, NULL, req_flags, rej_flags);
+
+ return 0;
+}
+
+void av_opt_set_defaults(void *s)
+{
+ av_opt_set_defaults2(s, 0, 0);
+}
+
+void av_opt_set_defaults2(void *s, int mask, int flags)
+{
+ const AVOption *opt = NULL;
+ while ((opt = av_opt_next(s, opt))) {
+ void *dst = ((uint8_t*)s) + opt->offset;
+
+ if ((opt->flags & mask) != flags)
+ continue;
+
+ if (opt->flags & AV_OPT_FLAG_READONLY)
+ continue;
+
+ switch (opt->type) {
+ case AV_OPT_TYPE_CONST:
+ /* Nothing to be done here */
+ break;
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64:
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ case AV_OPT_TYPE_PIXEL_FMT:
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ write_number(s, opt, dst, 1, 1, opt->default_val.i64);
+ break;
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_FLOAT: {
+ double val;
+ val = opt->default_val.dbl;
+ write_number(s, opt, dst, val, 1, 1);
+ }
+ break;
+ case AV_OPT_TYPE_RATIONAL: {
+ AVRational val;
+ val = av_d2q(opt->default_val.dbl, INT_MAX);
+ write_number(s, opt, dst, 1, val.den, val.num);
+ }
+ break;
+ case AV_OPT_TYPE_COLOR:
+ set_string_color(s, opt, opt->default_val.str, dst);
+ break;
+ case AV_OPT_TYPE_STRING:
+ set_string(s, opt, opt->default_val.str, dst);
+ break;
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ set_string_image_size(s, opt, opt->default_val.str, dst);
+ break;
+ case AV_OPT_TYPE_VIDEO_RATE:
+ set_string_video_rate(s, opt, opt->default_val.str, dst);
+ break;
+ case AV_OPT_TYPE_BINARY:
+ set_string_binary(s, opt, opt->default_val.str, dst);
+ break;
+ case AV_OPT_TYPE_DICT:
+ /* Cannot set defaults for these types */
+ break;
+ default:
+ av_log(s, AV_LOG_DEBUG, "AVOption type %d of option %s not implemented yet\n",
+ opt->type, opt->name);
+ }
+ }
+}
+
+/**
+ * Store the value in the field in ctx that is named like key.
+ * ctx must be an AVClass context, storing is done using AVOptions.
+ *
+ * @param buf the string to parse, buf will be updated to point at the
+ * separator just after the parsed key/value pair
+ * @param key_val_sep a 0-terminated list of characters used to
+ * separate key from value
+ * @param pairs_sep a 0-terminated list of characters used to separate
+ * two pairs from each other
+ * @return 0 if the key/value pair has been successfully parsed and
+ * set, or a negative value corresponding to an AVERROR code in case
+ * of error:
+ * AVERROR(EINVAL) if the key/value pair cannot be parsed,
+ * the error code issued by av_opt_set() if the key/value pair
+ * cannot be set
+ */
+static int parse_key_value_pair(void *ctx, const char **buf,
+ const char *key_val_sep, const char *pairs_sep)
+{
+ char *key = av_get_token(buf, key_val_sep);
+ char *val;
+ int ret;
+
+ if (!key)
+ return AVERROR(ENOMEM);
+
+ if (*key && strspn(*buf, key_val_sep)) {
+ (*buf)++;
+ val = av_get_token(buf, pairs_sep);
+ if (!val) {
+ av_freep(&key);
+ return AVERROR(ENOMEM);
+ }
+ } else {
+ av_log(ctx, AV_LOG_ERROR, "Missing key or no key/value separator found after key '%s'\n", key);
+ av_free(key);
+ return AVERROR(EINVAL);
+ }
+
+ av_log(ctx, AV_LOG_DEBUG, "Setting entry with key '%s' to value '%s'\n", key, val);
+
+ ret = av_opt_set(ctx, key, val, AV_OPT_SEARCH_CHILDREN);
+ if (ret == AVERROR_OPTION_NOT_FOUND)
+ av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
+
+ av_free(key);
+ av_free(val);
+ return ret;
+}
+
+int av_set_options_string(void *ctx, const char *opts,
+ const char *key_val_sep, const char *pairs_sep)
+{
+ int ret, count = 0;
+
+ if (!opts)
+ return 0;
+
+ while (*opts) {
+ if ((ret = parse_key_value_pair(ctx, &opts, key_val_sep, pairs_sep)) < 0)
+ return ret;
+ count++;
+
+ if (*opts)
+ opts++;
+ }
+
+ return count;
+}
+
+#define WHITESPACES " \n\t\r"
+
+static int is_key_char(char c)
+{
+ return (unsigned)((c | 32) - 'a') < 26 ||
+ (unsigned)(c - '0') < 10 ||
+ c == '-' || c == '_' || c == '/' || c == '.';
+}
+
+/**
+ * Read a key from a string.
+ *
+ * The key consists of is_key_char characters and must be terminated by a
+ * character from the delim string; spaces are ignored.
+ *
+ * @return 0 for success (even with ellipsis), <0 for failure
+ */
+static int get_key(const char **ropts, const char *delim, char **rkey)
+{
+ const char *opts = *ropts;
+ const char *key_start, *key_end;
+
+ key_start = opts += strspn(opts, WHITESPACES);
+ while (is_key_char(*opts))
+ opts++;
+ key_end = opts;
+ opts += strspn(opts, WHITESPACES);
+ if (!*opts || !strchr(delim, *opts))
+ return AVERROR(EINVAL);
+ opts++;
+ if (!(*rkey = av_malloc(key_end - key_start + 1)))
+ return AVERROR(ENOMEM);
+ memcpy(*rkey, key_start, key_end - key_start);
+ (*rkey)[key_end - key_start] = 0;
+ *ropts = opts;
+ return 0;
+}
+
+int av_opt_get_key_value(const char **ropts,
+ const char *key_val_sep, const char *pairs_sep,
+ unsigned flags,
+ char **rkey, char **rval)
+{
+ int ret;
+ char *key = NULL, *val;
+ const char *opts = *ropts;
+
+ if ((ret = get_key(&opts, key_val_sep, &key)) < 0 &&
+ !(flags & AV_OPT_FLAG_IMPLICIT_KEY))
+ return AVERROR(EINVAL);
+ if (!(val = av_get_token(&opts, pairs_sep))) {
+ av_free(key);
+ return AVERROR(ENOMEM);
+ }
+ *ropts = opts;
+ *rkey = key;
+ *rval = val;
+ return 0;
+}
+
+int av_opt_set_from_string(void *ctx, const char *opts,
+ const char *const *shorthand,
+ const char *key_val_sep, const char *pairs_sep)
+{
+ int ret, count = 0;
+ const char *dummy_shorthand = NULL;
+ char *av_uninit(parsed_key), *av_uninit(value);
+ const char *key;
+
+ if (!opts)
+ return 0;
+ if (!shorthand)
+ shorthand = &dummy_shorthand;
+
+ while (*opts) {
+ ret = av_opt_get_key_value(&opts, key_val_sep, pairs_sep,
+ *shorthand ? AV_OPT_FLAG_IMPLICIT_KEY : 0,
+ &parsed_key, &value);
+ if (ret < 0) {
+ if (ret == AVERROR(EINVAL))
+ av_log(ctx, AV_LOG_ERROR, "No option name near '%s'\n", opts);
+ else
+ av_log(ctx, AV_LOG_ERROR, "Unable to parse '%s': %s\n", opts,
+ av_err2str(ret));
+ return ret;
+ }
+ if (*opts)
+ opts++;
+ if (parsed_key) {
+ key = parsed_key;
+ while (*shorthand) /* discard all remaining shorthand */
+ shorthand++;
+ } else {
+ key = *(shorthand++);
+ }
+
+ av_log(ctx, AV_LOG_DEBUG, "Setting '%s' to value '%s'\n", key, value);
+ if ((ret = av_opt_set(ctx, key, value, 0)) < 0) {
+ if (ret == AVERROR_OPTION_NOT_FOUND)
+ av_log(ctx, AV_LOG_ERROR, "Option '%s' not found\n", key);
+ av_free(value);
+ av_free(parsed_key);
+ return ret;
+ }
+
+ av_free(value);
+ av_free(parsed_key);
+ count++;
+ }
+ return count;
+}
+
+void av_opt_free(void *obj)
+{
+ const AVOption *o = NULL;
+ while ((o = av_opt_next(obj, o))) {
+ switch (o->type) {
+ case AV_OPT_TYPE_STRING:
+ case AV_OPT_TYPE_BINARY:
+ av_freep((uint8_t *)obj + o->offset);
+ break;
+
+ case AV_OPT_TYPE_DICT:
+ av_dict_free((AVDictionary **)(((uint8_t *)obj) + o->offset));
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+int av_opt_set_dict2(void *obj, AVDictionary **options, int search_flags)
+{
+ AVDictionaryEntry *t = NULL;
+ AVDictionary *tmp = NULL;
+ int ret = 0;
+
+ if (!options)
+ return 0;
+
+ while ((t = av_dict_get(*options, "", t, AV_DICT_IGNORE_SUFFIX))) {
+ ret = av_opt_set(obj, t->key, t->value, search_flags);
+ if (ret == AVERROR_OPTION_NOT_FOUND)
+ ret = av_dict_set(&tmp, t->key, t->value, 0);
+ if (ret < 0) {
+ av_log(obj, AV_LOG_ERROR, "Error setting option %s to value %s.\n", t->key, t->value);
+ av_dict_free(&tmp);
+ return ret;
+ }
+ ret = 0;
+ }
+ av_dict_free(options);
+ *options = tmp;
+ return ret;
+}
+
+int av_opt_set_dict(void *obj, AVDictionary **options)
+{
+ return av_opt_set_dict2(obj, options, 0);
+}
+
+const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
+ int opt_flags, int search_flags)
+{
+ return av_opt_find2(obj, name, unit, opt_flags, search_flags, NULL);
+}
+
+const AVOption *av_opt_find2(void *obj, const char *name, const char *unit,
+ int opt_flags, int search_flags, void **target_obj)
+{
+ const AVClass *c;
+ const AVOption *o = NULL;
+
+ if(!obj)
+ return NULL;
+
+ c= *(AVClass**)obj;
+
+ if (!c)
+ return NULL;
+
+ if (search_flags & AV_OPT_SEARCH_CHILDREN) {
+ if (search_flags & AV_OPT_SEARCH_FAKE_OBJ) {
+ const AVClass *child = NULL;
+ while (child = av_opt_child_class_next(c, child))
+ if (o = av_opt_find2(&child, name, unit, opt_flags, search_flags, NULL))
+ return o;
+ } else {
+ void *child = NULL;
+ while (child = av_opt_child_next(obj, child))
+ if (o = av_opt_find2(child, name, unit, opt_flags, search_flags, target_obj))
+ return o;
+ }
+ }
+
+ while (o = av_opt_next(obj, o)) {
+ if (!strcmp(o->name, name) && (o->flags & opt_flags) == opt_flags &&
+ ((!unit && o->type != AV_OPT_TYPE_CONST) ||
+ (unit && o->type == AV_OPT_TYPE_CONST && o->unit && !strcmp(o->unit, unit)))) {
+ if (target_obj) {
+ if (!(search_flags & AV_OPT_SEARCH_FAKE_OBJ))
+ *target_obj = obj;
+ else
+ *target_obj = NULL;
+ }
+ return o;
+ }
+ }
+ return NULL;
+}
+
+void *av_opt_child_next(void *obj, void *prev)
+{
+ const AVClass *c = *(AVClass **)obj;
+ if (c->child_next)
+ return c->child_next(obj, prev);
+ return NULL;
+}
+
+const AVClass *av_opt_child_class_next(const AVClass *parent, const AVClass *prev)
+{
+ if (parent->child_class_next)
+ return parent->child_class_next(prev);
+ return NULL;
+}
+
+void *av_opt_ptr(const AVClass *class, void *obj, const char *name)
+{
+ const AVOption *opt= av_opt_find2(&class, name, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ, NULL);
+ if(!opt)
+ return NULL;
+ return (uint8_t*)obj + opt->offset;
+}
+
+static int opt_size(enum AVOptionType type)
+{
+ switch(type) {
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_FLAGS:
+ return sizeof(int);
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ case AV_OPT_TYPE_INT64:
+ return sizeof(int64_t);
+ case AV_OPT_TYPE_DOUBLE:
+ return sizeof(double);
+ case AV_OPT_TYPE_FLOAT:
+ return sizeof(float);
+ case AV_OPT_TYPE_STRING:
+ return sizeof(uint8_t*);
+ case AV_OPT_TYPE_VIDEO_RATE:
+ case AV_OPT_TYPE_RATIONAL:
+ return sizeof(AVRational);
+ case AV_OPT_TYPE_BINARY:
+ return sizeof(uint8_t*) + sizeof(int);
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ return sizeof(int[2]);
+ case AV_OPT_TYPE_PIXEL_FMT:
+ return sizeof(enum AVPixelFormat);
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ return sizeof(enum AVSampleFormat);
+ case AV_OPT_TYPE_COLOR:
+ return 4;
+ }
+ return AVERROR(EINVAL);
+}
+
+int av_opt_copy(void *dst, const void *src)
+{
+ const AVOption *o = NULL;
+ const AVClass *c;
+ int ret = 0;
+
+ if (!src)
+ return AVERROR(EINVAL);
+
+ c = *(AVClass **)src;
+ if (!c || c != *(AVClass **)dst)
+ return AVERROR(EINVAL);
+
+ while ((o = av_opt_next(src, o))) {
+ void *field_dst = (uint8_t *)dst + o->offset;
+ void *field_src = (uint8_t *)src + o->offset;
+ uint8_t **field_dst8 = (uint8_t **)field_dst;
+ uint8_t **field_src8 = (uint8_t **)field_src;
+
+ if (o->type == AV_OPT_TYPE_STRING) {
+ if (*field_dst8 != *field_src8)
+ av_freep(field_dst8);
+ *field_dst8 = av_strdup(*field_src8);
+ if (*field_src8 && !*field_dst8)
+ ret = AVERROR(ENOMEM);
+ } else if (o->type == AV_OPT_TYPE_BINARY) {
+ int len = *(int *)(field_src8 + 1);
+ if (*field_dst8 != *field_src8)
+ av_freep(field_dst8);
+ *field_dst8 = av_memdup(*field_src8, len);
+ if (len && !*field_dst8) {
+ ret = AVERROR(ENOMEM);
+ len = 0;
+ }
+ *(int *)(field_dst8 + 1) = len;
+ } else if (o->type == AV_OPT_TYPE_CONST) {
+ // do nothing
+ } else if (o->type == AV_OPT_TYPE_DICT) {
+ AVDictionary **sdict = (AVDictionary **) field_src;
+ AVDictionary **ddict = (AVDictionary **) field_dst;
+ if (*sdict != *ddict)
+ av_dict_free(ddict);
+ *ddict = NULL;
+ av_dict_copy(ddict, *sdict, 0);
+ if (av_dict_count(*sdict) != av_dict_count(*ddict))
+ ret = AVERROR(ENOMEM);
+ } else {
+ int size = opt_size(o->type);
+ if (size < 0)
+ ret = size;
+ else
+ memcpy(field_dst, field_src, size);
+ }
+ }
+ return ret;
+}
+
+int av_opt_query_ranges(AVOptionRanges **ranges_arg, void *obj, const char *key, int flags)
+{
+ int ret;
+ const AVClass *c = *(AVClass**)obj;
+ int (*callback)(AVOptionRanges **, void *obj, const char *key, int flags) = NULL;
+
+ if (c->version > (52 << 16 | 11 << 8))
+ callback = c->query_ranges;
+
+ if (!callback)
+ callback = av_opt_query_ranges_default;
+
+ ret = callback(ranges_arg, obj, key, flags);
+ if (ret >= 0) {
+ if (!(flags & AV_OPT_MULTI_COMPONENT_RANGE))
+ ret = 1;
+ (*ranges_arg)->nb_components = ret;
+ }
+ return ret;
+}
+
+int av_opt_query_ranges_default(AVOptionRanges **ranges_arg, void *obj, const char *key, int flags)
+{
+ AVOptionRanges *ranges = av_mallocz(sizeof(*ranges));
+ AVOptionRange **range_array = av_mallocz(sizeof(void*));
+ AVOptionRange *range = av_mallocz(sizeof(*range));
+ const AVOption *field = av_opt_find(obj, key, NULL, 0, flags);
+ int ret;
+
+ *ranges_arg = NULL;
+
+ if (!ranges || !range || !range_array || !field) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ ranges->range = range_array;
+ ranges->range[0] = range;
+ ranges->nb_ranges = 1;
+ ranges->nb_components = 1;
+ range->is_range = 1;
+ range->value_min = field->min;
+ range->value_max = field->max;
+
+ switch (field->type) {
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_INT64:
+ case AV_OPT_TYPE_PIXEL_FMT:
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ case AV_OPT_TYPE_FLOAT:
+ case AV_OPT_TYPE_DOUBLE:
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_COLOR:
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ break;
+ case AV_OPT_TYPE_STRING:
+ range->component_min = 0;
+ range->component_max = 0x10FFFF; // max unicode value
+ range->value_min = -1;
+ range->value_max = INT_MAX;
+ break;
+ case AV_OPT_TYPE_RATIONAL:
+ range->component_min = INT_MIN;
+ range->component_max = INT_MAX;
+ break;
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ range->component_min = 0;
+ range->component_max = INT_MAX/128/8;
+ range->value_min = 0;
+ range->value_max = INT_MAX/8;
+ break;
+ case AV_OPT_TYPE_VIDEO_RATE:
+ range->component_min = 1;
+ range->component_max = INT_MAX;
+ range->value_min = 1;
+ range->value_max = INT_MAX;
+ break;
+ default:
+ ret = AVERROR(ENOSYS);
+ goto fail;
+ }
+
+ *ranges_arg = ranges;
+ return 1;
+fail:
+ av_free(ranges);
+ av_free(range);
+ av_free(range_array);
+ return ret;
+}
+
+void av_opt_freep_ranges(AVOptionRanges **rangesp)
+{
+ int i;
+ AVOptionRanges *ranges = *rangesp;
+
+ if (!ranges)
+ return;
+
+ for (i = 0; i < ranges->nb_ranges * ranges->nb_components; i++) {
+ AVOptionRange *range = ranges->range[i];
+ if (range) {
+ av_freep(&range->str);
+ av_freep(&ranges->range[i]);
+ }
+ }
+ av_freep(&ranges->range);
+ av_freep(rangesp);
+}
+
+int av_opt_is_set_to_default(void *obj, const AVOption *o)
+{
+ int64_t i64;
+ double d, d2;
+ float f;
+ AVRational q;
+ int ret, w, h;
+ char *str;
+ void *dst;
+
+ if (!o || !obj)
+ return AVERROR(EINVAL);
+
+ dst = ((uint8_t*)obj) + o->offset;
+
+ switch (o->type) {
+ case AV_OPT_TYPE_CONST:
+ return 1;
+ case AV_OPT_TYPE_BOOL:
+ case AV_OPT_TYPE_FLAGS:
+ case AV_OPT_TYPE_PIXEL_FMT:
+ case AV_OPT_TYPE_SAMPLE_FMT:
+ case AV_OPT_TYPE_INT:
+ case AV_OPT_TYPE_CHANNEL_LAYOUT:
+ case AV_OPT_TYPE_DURATION:
+ case AV_OPT_TYPE_INT64:
+ read_number(o, dst, NULL, NULL, &i64);
+ return o->default_val.i64 == i64;
+ case AV_OPT_TYPE_STRING:
+ str = *(char **)dst;
+ if (str == o->default_val.str) //2 NULLs
+ return 1;
+ if (!str || !o->default_val.str) //1 NULL
+ return 0;
+ return !strcmp(str, o->default_val.str);
+ case AV_OPT_TYPE_DOUBLE:
+ read_number(o, dst, &d, NULL, NULL);
+ return o->default_val.dbl == d;
+ case AV_OPT_TYPE_FLOAT:
+ read_number(o, dst, &d, NULL, NULL);
+ f = o->default_val.dbl;
+ d2 = f;
+ return d2 == d;
+ case AV_OPT_TYPE_RATIONAL:
+ q = av_d2q(o->default_val.dbl, INT_MAX);
+ return !av_cmp_q(*(AVRational*)dst, q);
+ case AV_OPT_TYPE_BINARY: {
+ struct {
+ uint8_t *data;
+ int size;
+ } tmp = {0};
+ int opt_size = *(int *)((void **)dst + 1);
+ void *opt_ptr = *(void **)dst;
+ if (!opt_size && (!o->default_val.str || !strlen(o->default_val.str)))
+ return 1;
+ if (!opt_size || !o->default_val.str || !strlen(o->default_val.str ))
+ return 0;
+ if (opt_size != strlen(o->default_val.str) / 2)
+ return 0;
+ ret = set_string_binary(NULL, NULL, o->default_val.str, &tmp.data);
+ if (!ret)
+ ret = !memcmp(opt_ptr, tmp.data, tmp.size);
+ av_free(tmp.data);
+ return ret;
+ }
+ case AV_OPT_TYPE_DICT:
+ /* Binary and dict have not default support yet. Any pointer is not default. */
+ return !!(*(void **)dst);
+ case AV_OPT_TYPE_IMAGE_SIZE:
+ if (!o->default_val.str || !strcmp(o->default_val.str, "none"))
+ w = h = 0;
+ else if ((ret = av_parse_video_size(&w, &h, o->default_val.str)) < 0)
+ return ret;
+ return (w == *(int *)dst) && (h == *((int *)dst+1));
+ case AV_OPT_TYPE_VIDEO_RATE:
+ q = (AVRational){0, 0};
+ if (o->default_val.str) {
+ if ((ret = av_parse_video_rate(&q, o->default_val.str)) < 0)
+ return ret;
+ }
+ return !av_cmp_q(*(AVRational*)dst, q);
+ case AV_OPT_TYPE_COLOR: {
+ uint8_t color[4] = {0, 0, 0, 0};
+ if (o->default_val.str) {
+ if ((ret = av_parse_color(color, o->default_val.str, -1, NULL)) < 0)
+ return ret;
+ }
+ return !memcmp(color, dst, sizeof(color));
+ }
+ default:
+ av_log(obj, AV_LOG_WARNING, "Not supported option type: %d, option name: %s\n", o->type, o->name);
+ break;
+ }
+ return AVERROR_PATCHWELCOME;
+}
+
+int av_opt_is_set_to_default_by_name(void *obj, const char *name, int search_flags)
+{
+ const AVOption *o;
+ void *target;
+ if (!obj)
+ return AVERROR(EINVAL);
+ o = av_opt_find2(obj, name, NULL, 0, search_flags, &target);
+ if (!o)
+ return AVERROR_OPTION_NOT_FOUND;
+ return av_opt_is_set_to_default(target, o);
+}
+
+int av_opt_serialize(void *obj, int opt_flags, int flags, char **buffer,
+ const char key_val_sep, const char pairs_sep)
+{
+ const AVOption *o = NULL;
+ uint8_t *buf;
+ AVBPrint bprint;
+ int ret, cnt = 0;
+ const char special_chars[] = {pairs_sep, key_val_sep, '\0'};
+
+ if (pairs_sep == '\0' || key_val_sep == '\0' || pairs_sep == key_val_sep ||
+ pairs_sep == '\\' || key_val_sep == '\\') {
+ av_log(obj, AV_LOG_ERROR, "Invalid separator(s) found.");
+ return AVERROR(EINVAL);
+ }
+
+ if (!obj || !buffer)
+ return AVERROR(EINVAL);
+
+ *buffer = NULL;
+ av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED);
+
+ while (o = av_opt_next(obj, o)) {
+ if (o->type == AV_OPT_TYPE_CONST)
+ continue;
+ if ((flags & AV_OPT_SERIALIZE_OPT_FLAGS_EXACT) && o->flags != opt_flags)
+ continue;
+ else if (((o->flags & opt_flags) != opt_flags))
+ continue;
+ if (flags & AV_OPT_SERIALIZE_SKIP_DEFAULTS && av_opt_is_set_to_default(obj, o) > 0)
+ continue;
+ if ((ret = av_opt_get(obj, o->name, 0, &buf)) < 0) {
+ av_bprint_finalize(&bprint, NULL);
+ return ret;
+ }
+ if (buf) {
+ if (cnt++)
+ av_bprint_append_data(&bprint, &pairs_sep, 1);
+ av_bprint_escape(&bprint, o->name, special_chars, AV_ESCAPE_MODE_BACKSLASH, 0);
+ av_bprint_append_data(&bprint, &key_val_sep, 1);
+ av_bprint_escape(&bprint, buf, special_chars, AV_ESCAPE_MODE_BACKSLASH, 0);
+ av_freep(&buf);
+ }
+ }
+ av_bprint_finalize(&bprint, buffer);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 10:33:51 +0000