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https://github.com/pineappleEA/pineapple-src.git
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195 lines
6.1 KiB
C
195 lines
6.1 KiB
C
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/*
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* Copyright (c) 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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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 "libavcodec/options.c"
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static int dummy_init(AVCodecContext *ctx)
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{
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//TODO: this code should set every possible pointer that could be set by codec and is not an option;
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ctx->extradata_size = 8;
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ctx->extradata = av_malloc(ctx->extradata_size);
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return 0;
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}
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static int dummy_close(AVCodecContext *ctx)
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{
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av_freep(&ctx->extradata);
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ctx->extradata_size = 0;
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return 0;
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}
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static int dummy_encode(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
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{
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return AVERROR(ENOSYS);
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}
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typedef struct Dummy12Context {
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AVClass *av_class;
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int num;
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char* str;
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} Dummy12Context;
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typedef struct Dummy3Context {
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void *fake_av_class;
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int num;
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char* str;
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} Dummy3Context;
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#define OFFSET(x) offsetof(Dummy12Context, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption dummy_options[] = {
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{ "str", "set str", OFFSET(str), AV_OPT_TYPE_STRING, { .str = "i'm src default value" }, 0, 0, VE},
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{ "num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 1500100900 }, 0, INT_MAX, VE},
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{ NULL },
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};
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static const AVClass dummy_v1_class = {
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.class_name = "dummy_v1_class",
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.item_name = av_default_item_name,
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.option = dummy_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static const AVClass dummy_v2_class = {
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.class_name = "dummy_v2_class",
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.item_name = av_default_item_name,
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.option = dummy_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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/* codec with options */
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static AVCodec dummy_v1_encoder = {
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.name = "dummy_v1_codec",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_NONE - 1,
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.encode2 = dummy_encode,
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.init = dummy_init,
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.close = dummy_close,
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.priv_class = &dummy_v1_class,
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.priv_data_size = sizeof(Dummy12Context),
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};
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/* codec with options, different class */
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static AVCodec dummy_v2_encoder = {
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.name = "dummy_v2_codec",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_NONE - 2,
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.encode2 = dummy_encode,
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.init = dummy_init,
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.close = dummy_close,
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.priv_class = &dummy_v2_class,
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.priv_data_size = sizeof(Dummy12Context),
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};
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/* codec with priv data, but no class */
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static AVCodec dummy_v3_encoder = {
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.name = "dummy_v3_codec",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_NONE - 3,
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.encode2 = dummy_encode,
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.init = dummy_init,
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.close = dummy_close,
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.priv_data_size = sizeof(Dummy3Context),
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};
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/* codec without priv data */
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static AVCodec dummy_v4_encoder = {
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.name = "dummy_v4_codec",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_NONE - 4,
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.encode2 = dummy_encode,
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.init = dummy_init,
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.close = dummy_close,
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};
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static void test_copy_print_codec(const AVCodecContext *ctx)
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{
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printf("%-14s: %dx%d prv: %s",
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ctx->codec ? ctx->codec->name : "NULL",
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ctx->width, ctx->height,
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ctx->priv_data ? "set" : "null");
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if (ctx->codec && ctx->codec->priv_class && ctx->codec->priv_data_size) {
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int64_t i64;
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char *str = NULL;
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av_opt_get_int(ctx->priv_data, "num", 0, &i64);
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av_opt_get(ctx->priv_data, "str", 0, (uint8_t**)&str);
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printf(" opts: %"PRId64" %s", i64, str);
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av_free(str);
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}
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printf("\n");
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}
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static void test_copy(const AVCodec *c1, const AVCodec *c2)
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{
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AVCodecContext *ctx1, *ctx2;
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printf("%s -> %s\nclosed:\n", c1 ? c1->name : "NULL", c2 ? c2->name : "NULL");
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ctx1 = avcodec_alloc_context3(c1);
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ctx2 = avcodec_alloc_context3(c2);
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ctx1->width = ctx1->height = 128;
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ctx1->time_base = (AVRational){12,34};
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if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
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av_opt_set(ctx2->priv_data, "num", "667", 0);
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av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
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}
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avcodec_copy_context(ctx2, ctx1);
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test_copy_print_codec(ctx1);
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test_copy_print_codec(ctx2);
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if (ctx1->codec) {
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int ret;
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printf("opened:\n");
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ret = avcodec_open2(ctx1, ctx1->codec, NULL);
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if (ret < 0) {
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fprintf(stderr, "avcodec_open2 failed\n");
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exit(1);
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}
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if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
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av_opt_set(ctx2->priv_data, "num", "667", 0);
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av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
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}
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avcodec_copy_context(ctx2, ctx1);
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test_copy_print_codec(ctx1);
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test_copy_print_codec(ctx2);
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}
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avcodec_free_context(&ctx1);
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avcodec_free_context(&ctx2);
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}
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int main(void)
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{
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AVCodec *dummy_codec[] = {
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&dummy_v1_encoder,
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&dummy_v2_encoder,
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&dummy_v3_encoder,
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&dummy_v4_encoder,
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NULL,
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};
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int i, j;
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for (i = 0; dummy_codec[i]; i++)
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avcodec_register(dummy_codec[i]);
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printf("testing avcodec_copy_context()\n");
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for (i = 0; i < FF_ARRAY_ELEMS(dummy_codec); i++)
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for (j = 0; j < FF_ARRAY_ELEMS(dummy_codec); j++)
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test_copy(dummy_codec[i], dummy_codec[j]);
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return 0;
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}
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