diff options
Diffstat (limited to 'libavcodec/tests/options.c')
| -rw-r--r-- | libavcodec/tests/options.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/libavcodec/tests/options.c b/libavcodec/tests/options.c new file mode 100644 index 0000000000..2e19a6eac2 --- /dev/null +++ b/libavcodec/tests/options.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2001 Fabrice Bellard + * Copyright (c) 2002-2004 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 + */ + +#include "libavcodec/options.c" + +static int dummy_init(AVCodecContext *ctx) +{ + //TODO: this code should set every possible pointer that could be set by codec and is not an option; + ctx->extradata_size = 8; + ctx->extradata = av_malloc(ctx->extradata_size); + return 0; +} + +static int dummy_close(AVCodecContext *ctx) +{ + av_freep(&ctx->extradata); + ctx->extradata_size = 0; + return 0; +} + +static int dummy_encode(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) +{ + return AVERROR(ENOSYS); +} + +typedef struct Dummy12Context { + AVClass *av_class; + int num; + char* str; +} Dummy12Context; + +typedef struct Dummy3Context { + void *fake_av_class; + int num; + char* str; +} Dummy3Context; + +#define OFFSET(x) offsetof(Dummy12Context, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption dummy_options[] = { + { "str", "set str", OFFSET(str), AV_OPT_TYPE_STRING, { .str = "i'm src default value" }, 0, 0, VE}, + { "num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 1500100900 }, 0, INT_MAX, VE}, + { NULL }, +}; + +static const AVClass dummy_v1_class = { + .class_name = "dummy_v1_class", + .item_name = av_default_item_name, + .option = dummy_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVClass dummy_v2_class = { + .class_name = "dummy_v2_class", + .item_name = av_default_item_name, + .option = dummy_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +/* codec with options */ +static AVCodec dummy_v1_encoder = { + .name = "dummy_v1_codec", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_NONE - 1, + .encode2 = dummy_encode, + .init = dummy_init, + .close = dummy_close, + .priv_class = &dummy_v1_class, + .priv_data_size = sizeof(Dummy12Context), +}; + +/* codec with options, different class */ +static AVCodec dummy_v2_encoder = { + .name = "dummy_v2_codec", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_NONE - 2, + .encode2 = dummy_encode, + .init = dummy_init, + .close = dummy_close, + .priv_class = &dummy_v2_class, + .priv_data_size = sizeof(Dummy12Context), +}; + +/* codec with priv data, but no class */ +static AVCodec dummy_v3_encoder = { + .name = "dummy_v3_codec", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_NONE - 3, + .encode2 = dummy_encode, + .init = dummy_init, + .close = dummy_close, + .priv_data_size = sizeof(Dummy3Context), +}; + +/* codec without priv data */ +static AVCodec dummy_v4_encoder = { + .name = "dummy_v4_codec", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_NONE - 4, + .encode2 = dummy_encode, + .init = dummy_init, + .close = dummy_close, +}; + +static void test_copy_print_codec(const AVCodecContext *ctx) +{ + printf("%-14s: %dx%d prv: %s", + ctx->codec ? ctx->codec->name : "NULL", + ctx->width, ctx->height, + ctx->priv_data ? "set" : "null"); + if (ctx->codec && ctx->codec->priv_class && ctx->codec->priv_data_size) { + int64_t i64; + char *str = NULL; + av_opt_get_int(ctx->priv_data, "num", 0, &i64); + av_opt_get(ctx->priv_data, "str", 0, (uint8_t**)&str); + printf(" opts: %"PRId64" %s", i64, str); + av_free(str); + } + printf("\n"); +} + +static void test_copy(const AVCodec *c1, const AVCodec *c2) +{ + AVCodecContext *ctx1, *ctx2; + printf("%s -> %s\nclosed:\n", c1 ? c1->name : "NULL", c2 ? c2->name : "NULL"); + ctx1 = avcodec_alloc_context3(c1); + ctx2 = avcodec_alloc_context3(c2); + ctx1->width = ctx1->height = 128; + ctx1->time_base = (AVRational){12,34}; + if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) { + av_opt_set(ctx2->priv_data, "num", "667", 0); + av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0); + } + avcodec_copy_context(ctx2, ctx1); + test_copy_print_codec(ctx1); + test_copy_print_codec(ctx2); + if (ctx1->codec) { + int ret; + printf("opened:\n"); + ret = avcodec_open2(ctx1, ctx1->codec, NULL); + if (ret < 0) { + fprintf(stderr, "avcodec_open2 failed\n"); + exit(1); + } + if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) { + av_opt_set(ctx2->priv_data, "num", "667", 0); + av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0); + } + avcodec_copy_context(ctx2, ctx1); + test_copy_print_codec(ctx1); + test_copy_print_codec(ctx2); + avcodec_close(ctx1); + } + avcodec_free_context(&ctx1); + avcodec_free_context(&ctx2); +} + +int main(void) +{ + AVCodec *dummy_codec[] = { + &dummy_v1_encoder, + &dummy_v2_encoder, + &dummy_v3_encoder, + &dummy_v4_encoder, + NULL, + }; + int i, j; + + for (i = 0; dummy_codec[i]; i++) + avcodec_register(dummy_codec[i]); + + printf("testing avcodec_copy_context()\n"); + for (i = 0; i < FF_ARRAY_ELEMS(dummy_codec); i++) + for (j = 0; j < FF_ARRAY_ELEMS(dummy_codec); j++) + test_copy(dummy_codec[i], dummy_codec[j]); + return 0; +} |