mirror of
https://git.ffmpeg.org/ffmpeg.git
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d89930f866
Previously one could only convert the entire array to a string, not access individual elements.
589 lines
22 KiB
C
589 lines
22 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <limits.h>
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#include <stdio.h>
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#include "libavutil/common.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/error.h"
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#include "libavutil/log.h"
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#include "libavutil/mem.h"
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#include "libavutil/rational.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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typedef struct TestContext {
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const AVClass *class;
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struct ChildContext *child;
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int num;
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int unum;
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int toggle;
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char *string;
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int flags;
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AVRational rational;
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AVRational video_rate;
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int w, h;
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enum AVPixelFormat pix_fmt;
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enum AVSampleFormat sample_fmt;
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int64_t duration;
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uint8_t color[4];
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AVChannelLayout channel_layout;
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void *binary;
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int binary_size;
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void *binary1;
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int binary_size1;
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void *binary2;
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int binary_size2;
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int64_t num64;
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float flt;
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double dbl;
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char *escape;
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int bool1;
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int bool2;
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int bool3;
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AVDictionary *dict1;
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AVDictionary *dict2;
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int **array_int;
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unsigned nb_array_int;
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char **array_str;
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unsigned nb_array_str;
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AVDictionary **array_dict;
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unsigned nb_array_dict;
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} TestContext;
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#define OFFSET(x) offsetof(TestContext, x)
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#define TEST_FLAG_COOL 01
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#define TEST_FLAG_LAME 02
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#define TEST_FLAG_MU 04
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static const AVOptionArrayDef array_str = {
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.sep = '|',
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.def = "str0|str\\|1|str\\\\2",
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};
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static const AVOptionArrayDef array_dict = {
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// there are three levels of escaping - C string, array option, dict - so 8 backslashes are needed to get a literal one inside a dict key/val
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.def = "k00=v\\\\\\\\00:k01=v\\,01,k10=v\\\\=1\\\\:0",
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};
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static const AVOption test_options[]= {
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{"num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, 100, 1 },
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{"unum", "set unum", OFFSET(unum), AV_OPT_TYPE_UINT, { .i64 = 1U << 31 }, 0, 1U << 31, 1 },
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{"toggle", "set toggle", OFFSET(toggle), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, 1 },
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{"rational", "set rational", OFFSET(rational), AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, 10, 1 },
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{"string", "set string", OFFSET(string), AV_OPT_TYPE_STRING, { .str = "default" }, CHAR_MIN, CHAR_MAX, 1 },
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{"escape", "set escape str", OFFSET(escape), AV_OPT_TYPE_STRING, { .str = "\\=," }, CHAR_MIN, CHAR_MAX, 1 },
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{"flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = 1 }, 0, INT_MAX, 1, .unit = "flags" },
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{"cool", "set cool flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_COOL }, INT_MIN, INT_MAX, 1, .unit = "flags" },
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{"lame", "set lame flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_LAME }, INT_MIN, INT_MAX, 1, .unit = "flags" },
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{"mu", "set mu flag", 0, AV_OPT_TYPE_CONST, { .i64 = TEST_FLAG_MU }, INT_MIN, INT_MAX, 1, .unit = "flags" },
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{"size", "set size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, { .str="200x300" }, 0, 0, 1 },
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{"pix_fmt", "set pixfmt", OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, { .i64 = AV_PIX_FMT_0BGR }, -1, INT_MAX, 1 },
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{"sample_fmt", "set samplefmt", OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, { .i64 = AV_SAMPLE_FMT_S16 }, -1, INT_MAX, 1 },
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{"video_rate", "set videorate", OFFSET(video_rate), AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, 1 },
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{"duration", "set duration", OFFSET(duration), AV_OPT_TYPE_DURATION, { .i64 = 1000 }, 0, INT64_MAX, 1 },
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{"color", "set color", OFFSET(color), AV_OPT_TYPE_COLOR, { .str = "pink" }, 0, 0, 1 },
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{"cl", "set channel layout", OFFSET(channel_layout), AV_OPT_TYPE_CHLAYOUT, { .str = "hexagonal" }, 0, 0, 1 },
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{"bin", "set binary value", OFFSET(binary), AV_OPT_TYPE_BINARY, { .str="62696e00" }, 0, 0, 1 },
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{"bin1", "set binary value", OFFSET(binary1), AV_OPT_TYPE_BINARY, { .str=NULL }, 0, 0, 1 },
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{"bin2", "set binary value", OFFSET(binary2), AV_OPT_TYPE_BINARY, { .str="" }, 0, 0, 1 },
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{"num64", "set num 64bit", OFFSET(num64), AV_OPT_TYPE_INT64, { .i64 = 1LL << 32 }, -1, 1LL << 32, 1 },
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{"flt", "set float", OFFSET(flt), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 / 3 }, 0, 100, 1 },
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{"dbl", "set double", OFFSET(dbl), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 / 3 }, 0, 100, 1 },
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{"bool1", "set boolean value", OFFSET(bool1), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, 1 },
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{"bool2", "set boolean value", OFFSET(bool2), AV_OPT_TYPE_BOOL, { .i64 = 1 }, -1, 1, 1 },
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{"bool3", "set boolean value", OFFSET(bool3), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, 1 },
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{"dict1", "set dictionary value", OFFSET(dict1), AV_OPT_TYPE_DICT, { .str = NULL}, 0, 0, 1 },
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{"dict2", "set dictionary value", OFFSET(dict2), AV_OPT_TYPE_DICT, { .str = "happy=':-)'"}, 0, 0, 1 },
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{"array_int", "array of ints", OFFSET(array_int), AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = AV_OPT_FLAG_RUNTIME_PARAM },
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{"array_str", "array of strings", OFFSET(array_str), AV_OPT_TYPE_STRING | AV_OPT_TYPE_FLAG_ARRAY, { .arr = &array_str }, .flags = AV_OPT_FLAG_RUNTIME_PARAM },
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{"array_dict", "array of dicts", OFFSET(array_dict), AV_OPT_TYPE_DICT | AV_OPT_TYPE_FLAG_ARRAY, { .arr = &array_dict }, .flags = AV_OPT_FLAG_RUNTIME_PARAM },
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{ NULL },
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};
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static const char *test_get_name(void *ctx)
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{
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return "test";
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}
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typedef struct ChildContext {
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const AVClass *class;
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int64_t child_num64;
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int child_num;
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} ChildContext;
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#undef OFFSET
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#define OFFSET(x) offsetof(ChildContext, x)
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static const AVOption child_options[]= {
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{"child_num64", "set num 64bit", OFFSET(child_num64), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, 100, 1 },
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{"child_num", "set child_num", OFFSET(child_num), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 100, 1 },
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{ NULL },
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};
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static const char *child_get_name(void *ctx)
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{
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return "child";
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}
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static const AVClass child_class = {
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.class_name = "ChildContext",
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.item_name = child_get_name,
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.option = child_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static void *test_child_next(void *obj, void *prev)
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{
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TestContext *test_ctx = obj;
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if (!prev)
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return test_ctx->child;
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return NULL;
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}
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static const AVClass test_class = {
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.class_name = "TestContext",
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.item_name = test_get_name,
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.option = test_options,
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.child_next = test_child_next,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
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{
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vfprintf(stdout, fmt, vl);
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}
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int main(void)
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{
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int i;
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av_log_set_level(AV_LOG_DEBUG);
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av_log_set_callback(log_callback_help);
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printf("Testing default values\n");
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{
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TestContext test_ctx = { 0 };
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test_ctx.class = &test_class;
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av_opt_set_defaults(&test_ctx);
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printf("num=%d\n", test_ctx.num);
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printf("unum=%u\n", test_ctx.unum);
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printf("toggle=%d\n", test_ctx.toggle);
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printf("string=%s\n", test_ctx.string);
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printf("escape=%s\n", test_ctx.escape);
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printf("flags=%d\n", test_ctx.flags);
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printf("rational=%d/%d\n", test_ctx.rational.num, test_ctx.rational.den);
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printf("video_rate=%d/%d\n", test_ctx.video_rate.num, test_ctx.video_rate.den);
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printf("width=%d height=%d\n", test_ctx.w, test_ctx.h);
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printf("pix_fmt=%s\n", av_get_pix_fmt_name(test_ctx.pix_fmt));
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printf("sample_fmt=%s\n", av_get_sample_fmt_name(test_ctx.sample_fmt));
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printf("duration=%"PRId64"\n", test_ctx.duration);
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printf("color=%d %d %d %d\n", test_ctx.color[0], test_ctx.color[1], test_ctx.color[2], test_ctx.color[3]);
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printf("channel_layout=%"PRId64"=%"PRId64"\n", test_ctx.channel_layout.u.mask, (int64_t)AV_CH_LAYOUT_HEXAGONAL);
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if (test_ctx.binary)
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printf("binary=%x %x %x %x\n", ((uint8_t*)test_ctx.binary)[0], ((uint8_t*)test_ctx.binary)[1], ((uint8_t*)test_ctx.binary)[2], ((uint8_t*)test_ctx.binary)[3]);
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printf("binary_size=%d\n", test_ctx.binary_size);
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printf("num64=%"PRId64"\n", test_ctx.num64);
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printf("flt=%.6f\n", test_ctx.flt);
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printf("dbl=%.6f\n", test_ctx.dbl);
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for (unsigned i = 0; i < test_ctx.nb_array_str; i++)
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printf("array_str[%u]=%s\n", i, test_ctx.array_str[i]);
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for (unsigned i = 0; i < test_ctx.nb_array_dict; i++) {
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AVDictionary *d = test_ctx.array_dict[i];
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const AVDictionaryEntry *e = NULL;
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while ((e = av_dict_iterate(d, e)))
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printf("array_dict[%u]: %s\t%s\n", i, e->key, e->value);
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}
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av_opt_show2(&test_ctx, NULL, -1, 0);
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av_opt_free(&test_ctx);
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}
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printf("\nTesting av_opt_is_set_to_default()\n");
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{
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int ret;
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TestContext test_ctx = { 0 };
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const AVOption *o = NULL;
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test_ctx.class = &test_class;
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av_log_set_level(AV_LOG_QUIET);
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while (o = av_opt_next(&test_ctx, o)) {
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ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
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printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
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}
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av_opt_set_defaults(&test_ctx);
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while (o = av_opt_next(&test_ctx, o)) {
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ret = av_opt_is_set_to_default_by_name(&test_ctx, o->name, 0);
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printf("name:%10s default:%d error:%s\n", o->name, !!ret, ret < 0 ? av_err2str(ret) : "");
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}
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av_opt_free(&test_ctx);
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}
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printf("\nTesting av_opt_get/av_opt_set()\n");
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{
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TestContext test_ctx = { 0 };
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TestContext test2_ctx = { 0 };
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const AVOption *o = NULL;
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char *val = NULL;
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int ret;
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test_ctx.class = &test_class;
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test2_ctx.class = &test_class;
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av_log_set_level(AV_LOG_QUIET);
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av_opt_set_defaults(&test_ctx);
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while (o = av_opt_next(&test_ctx, o)) {
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char *value1 = NULL;
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char *value2 = NULL;
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int ret1 = AVERROR_BUG;
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int ret2 = AVERROR_BUG;
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int ret3 = AVERROR_BUG;
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if (o->type == AV_OPT_TYPE_CONST)
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continue;
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ret1 = av_opt_get(&test_ctx, o->name, 0, (uint8_t **)&value1);
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if (ret1 >= 0) {
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ret2 = av_opt_set(&test2_ctx, o->name, value1, 0);
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if (ret2 >= 0)
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ret3 = av_opt_get(&test2_ctx, o->name, 0, (uint8_t **)&value2);
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}
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printf("name: %-11s get: %-16s set: %-16s get: %-16s %s\n", o->name,
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ret1 >= 0 ? value1 : av_err2str(ret1),
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ret2 >= 0 ? "OK" : av_err2str(ret2),
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ret3 >= 0 ? value2 : av_err2str(ret3),
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ret1 >= 0 && ret2 >= 0 && ret3 >= 0 && !strcmp(value1, value2) ? "OK" : "Mismatch");
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av_free(value1);
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av_free(value2);
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}
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// av_opt_set(NULL) with an array option resets it
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ret = av_opt_set(&test_ctx, "array_dict", NULL, 0);
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printf("av_opt_set(\"array_dict\", NULL) -> %d\n", ret);
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printf("array_dict=%sNULL; nb_array_dict=%u\n",
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test_ctx.array_dict ? "non-" : "", test_ctx.nb_array_dict);
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// av_opt_get() on an empty array should return a NULL string
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ret = av_opt_get(&test_ctx, "array_dict", AV_OPT_ALLOW_NULL, (uint8_t**)&val);
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printf("av_opt_get(\"array_dict\") -> %s\n", val ? val : "NULL");
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av_opt_free(&test_ctx);
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av_opt_free(&test2_ctx);
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}
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printf("\nTesting av_opt_get_array()\n");
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{
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static const int int_array[] = { 5, 0, 42, 137, INT_MAX };
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TestContext test_ctx = { 0 };
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int out_int [FF_ARRAY_ELEMS(int_array)] = { 0 };
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double out_double[FF_ARRAY_ELEMS(int_array)] = { 0. };
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char *out_str [FF_ARRAY_ELEMS(int_array)] = { NULL };
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AVDictionary *out_dict[2] = { NULL };
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int ret;
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test_ctx.class = &test_class;
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av_log_set_level(AV_LOG_QUIET);
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av_opt_set_defaults(&test_ctx);
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test_ctx.array_int = av_memdup(int_array, sizeof(int_array));
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test_ctx.nb_array_int = FF_ARRAY_ELEMS(int_array);
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// retrieve as int
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ret = av_opt_get_array(&test_ctx, "array_int", 0,
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1, 3, AV_OPT_TYPE_INT, out_int);
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printf("av_opt_get_array(\"array_int\", 1, 3, INT)=%d -> [ %d, %d, %d ]\n",
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ret, out_int[0], out_int[1], out_int[2]);
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// retrieve as double
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ret = av_opt_get_array(&test_ctx, "array_int", 0,
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3, 2, AV_OPT_TYPE_DOUBLE, out_double);
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printf("av_opt_get_array(\"array_int\", 3, 2, DOUBLE)=%d -> [ %.2f, %.2f ]\n",
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ret, out_double[0], out_double[1]);
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// retrieve as str
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ret = av_opt_get_array(&test_ctx, "array_int", 0,
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0, 5, AV_OPT_TYPE_STRING, out_str);
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printf("av_opt_get_array(\"array_int\", 0, 5, STRING)=%d -> "
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"[ %s, %s, %s, %s, %s ]\n", ret,
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out_str[0], out_str[1], out_str[2], out_str[3], out_str[4]);
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for (int i = 0; i < FF_ARRAY_ELEMS(out_str); i++)
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av_freep(&out_str[i]);
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ret = av_opt_get_array(&test_ctx, "array_dict", 0, 0, 2,
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AV_OPT_TYPE_DICT, out_dict);
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printf("av_opt_get_array(\"array_dict\", 0, 2, DICT)=%d\n", ret);
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for (int i = 0; i < test_ctx.nb_array_dict; i++) {
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const AVDictionaryEntry *e = NULL;
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while ((e = av_dict_iterate(test_ctx.array_dict[i], e))) {
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const AVDictionaryEntry *e1 = av_dict_get(out_dict[i], e->key, NULL, 0);
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if (!e1 || strcmp(e->value, e1->value)) {
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printf("mismatching dict entry %s: %s/%s\n",
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e->key, e->value, e1 ? e1->value : "<missing>");
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}
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}
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av_dict_free(&out_dict[i]);
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}
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av_opt_free(&test_ctx);
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}
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printf("\nTest av_opt_serialize()\n");
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{
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TestContext test_ctx = { 0 };
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char *buf;
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int ret;
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test_ctx.class = &test_class;
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av_log_set_level(AV_LOG_QUIET);
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av_opt_set_defaults(&test_ctx);
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if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
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printf("%s\n", buf);
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av_opt_free(&test_ctx);
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memset(&test_ctx, 0, sizeof(test_ctx));
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test_ctx.class = &test_class;
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ret = av_set_options_string(&test_ctx, buf, "=", ",");
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av_free(buf);
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if (ret < 0)
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printf("Error ret '%d'\n", ret);
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if (av_opt_serialize(&test_ctx, 0, 0, &buf, '=', ',') >= 0) {
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ChildContext child_ctx = { 0 };
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printf("%s\n", buf);
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av_free(buf);
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child_ctx.class = &child_class;
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test_ctx.child = &child_ctx;
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if (av_opt_serialize(&test_ctx, 0,
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AV_OPT_SERIALIZE_SKIP_DEFAULTS|AV_OPT_SERIALIZE_SEARCH_CHILDREN,
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&buf, '=', ',') >= 0) {
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printf("%s\n", buf);
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av_free(buf);
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}
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av_opt_free(&child_ctx);
|
|
test_ctx.child = NULL;
|
|
}
|
|
}
|
|
av_opt_free(&test_ctx);
|
|
}
|
|
|
|
printf("\nTesting av_set_options_string()\n");
|
|
{
|
|
TestContext test_ctx = { 0 };
|
|
static const char * const options[] = {
|
|
"",
|
|
":",
|
|
"=",
|
|
"foo=:",
|
|
":=foo",
|
|
"=foo",
|
|
"foo=",
|
|
"foo",
|
|
"foo=val",
|
|
"foo==val",
|
|
"toggle=:",
|
|
"string=:",
|
|
"toggle=1 : foo",
|
|
"toggle=100",
|
|
"toggle==1",
|
|
"flags=+mu-lame : num=42: toggle=0",
|
|
"num=42 : string=blahblah",
|
|
"rational=0 : rational=1/2 : rational=1/-1",
|
|
"rational=-1/0",
|
|
"size=1024x768",
|
|
"size=pal",
|
|
"size=bogus",
|
|
"pix_fmt=yuv420p",
|
|
"pix_fmt=2",
|
|
"pix_fmt=bogus",
|
|
"sample_fmt=s16",
|
|
"sample_fmt=2",
|
|
"sample_fmt=bogus",
|
|
"video_rate=pal",
|
|
"video_rate=25",
|
|
"video_rate=30000/1001",
|
|
"video_rate=30/1.001",
|
|
"video_rate=bogus",
|
|
"duration=bogus",
|
|
"duration=123.45",
|
|
"duration=1\\:23\\:45.67",
|
|
"color=blue",
|
|
"color=0x223300",
|
|
"color=0x42FF07AA",
|
|
"cl=FL+FR",
|
|
"cl=foo",
|
|
"bin=boguss",
|
|
"bin=111",
|
|
"bin=ffff",
|
|
"num=bogus",
|
|
"num=44",
|
|
"num=44.4",
|
|
"num=-1",
|
|
"num=-2",
|
|
"num=101",
|
|
"unum=bogus",
|
|
"unum=44",
|
|
"unum=44.4",
|
|
"unum=-1",
|
|
"unum=2147483648",
|
|
"unum=2147483649",
|
|
"num64=bogus",
|
|
"num64=44",
|
|
"num64=44.4",
|
|
"num64=-1",
|
|
"num64=-2",
|
|
"num64=4294967296",
|
|
"num64=4294967297",
|
|
"flt=bogus",
|
|
"flt=2",
|
|
"flt=2.2",
|
|
"flt=-1",
|
|
"flt=101",
|
|
"dbl=bogus",
|
|
"dbl=2",
|
|
"dbl=2.2",
|
|
"dbl=-1",
|
|
"dbl=101",
|
|
"bool1=true",
|
|
"bool2=auto",
|
|
"dict1='happy=\\:-):sad=\\:-('",
|
|
"array_int=0,32,2147483647",
|
|
"array_int=2147483648", // out of range, should fail
|
|
};
|
|
|
|
test_ctx.class = &test_class;
|
|
av_opt_set_defaults(&test_ctx);
|
|
|
|
av_log_set_level(AV_LOG_QUIET);
|
|
|
|
for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
|
|
int silence_log = !strcmp(options[i], "rational=-1/0"); // inf formating differs between platforms
|
|
av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
|
|
if (silence_log)
|
|
av_log_set_callback(NULL);
|
|
if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)
|
|
printf("Error '%s'\n", options[i]);
|
|
else
|
|
printf("OK '%s'\n", options[i]);
|
|
av_log_set_callback(log_callback_help);
|
|
}
|
|
av_opt_free(&test_ctx);
|
|
}
|
|
|
|
printf("\nTesting av_opt_set_from_string()\n");
|
|
{
|
|
TestContext test_ctx = { 0 };
|
|
static const char * const options[] = {
|
|
"",
|
|
"5",
|
|
"5:hello",
|
|
"5:hello:size=pal",
|
|
"5:size=pal:hello",
|
|
":",
|
|
"=",
|
|
" 5 : hello : size = pal ",
|
|
"a_very_long_option_name_that_will_need_to_be_ellipsized_around_here=42"
|
|
};
|
|
static const char * const shorthand[] = { "num", "string", NULL };
|
|
|
|
test_ctx.class = &test_class;
|
|
av_opt_set_defaults(&test_ctx);
|
|
|
|
av_log_set_level(AV_LOG_QUIET);
|
|
|
|
for (i=0; i < FF_ARRAY_ELEMS(options); i++) {
|
|
av_log(&test_ctx, AV_LOG_DEBUG, "Setting options string '%s'\n", options[i]);
|
|
if (av_opt_set_from_string(&test_ctx, options[i], shorthand, "=", ":") < 0)
|
|
printf("Error '%s'\n", options[i]);
|
|
else
|
|
printf("OK '%s'\n", options[i]);
|
|
}
|
|
av_opt_free(&test_ctx);
|
|
}
|
|
|
|
printf("\nTesting av_opt_find2()\n");
|
|
{
|
|
TestContext test_ctx = { 0 };
|
|
ChildContext child_ctx = { 0 };
|
|
void *target;
|
|
const AVOption *opt;
|
|
|
|
test_ctx.class = &test_class;
|
|
child_ctx.class = &child_class;
|
|
test_ctx.child = &child_ctx;
|
|
|
|
av_log_set_level(AV_LOG_QUIET);
|
|
|
|
// Should succeed. num exists and has opt_flags 1
|
|
opt = av_opt_find2(&test_ctx, "num", NULL, 1, 0, &target);
|
|
if (opt && target == &test_ctx)
|
|
printf("OK '%s'\n", opt->name);
|
|
else
|
|
printf("Error 'num'\n");
|
|
|
|
// Should fail. num64 exists but has opt_flags 1, not 2
|
|
opt = av_opt_find(&test_ctx, "num64", NULL, 2, 0);
|
|
if (opt)
|
|
printf("OK '%s'\n", opt->name);
|
|
else
|
|
printf("Error 'num64'\n");
|
|
|
|
// Should fail. child_num exists but in a child object we're not searching
|
|
opt = av_opt_find(&test_ctx, "child_num", NULL, 0, 0);
|
|
if (opt)
|
|
printf("OK '%s'\n", opt->name);
|
|
else
|
|
printf("Error 'child_num'\n");
|
|
|
|
// Should succeed. child_num exists in a child object we're searching
|
|
opt = av_opt_find2(&test_ctx, "child_num", NULL, 0, AV_OPT_SEARCH_CHILDREN, &target);
|
|
if (opt && target == &child_ctx)
|
|
printf("OK '%s'\n", opt->name);
|
|
else
|
|
printf("Error 'child_num'\n");
|
|
|
|
// Should fail. foo doesn't exist
|
|
opt = av_opt_find(&test_ctx, "foo", NULL, 0, 0);
|
|
if (opt)
|
|
printf("OK '%s'\n", opt->name);
|
|
else
|
|
printf("Error 'foo'\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|