{
return &av_subtitle_rect_class;
}
+
+#ifdef TEST
+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);
+ ctx->coded_frame = av_frame_alloc();
+ return 0;
+}
+
+static int dummy_close(AVCodecContext *ctx)
+{
+ av_freep(&ctx->extradata);
+ ctx->extradata_size = 0;
+ av_frame_free(&ctx->coded_frame);
+ 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 */
+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 */
+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 */
+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 */
+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;
+ 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) {
+ printf("opened:\n");
+ avcodec_open2(ctx1, ctx1->codec, NULL);
+ 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;
+}
+#endif