return NULL;
}
+#if FF_API_CHILD_CLASS_NEXT
static const AVClass *codec_child_class_next(const AVClass *prev)
{
- AVCodec *c = NULL;
+ void *iter = NULL;
+ const AVCodec *c = NULL;
/* find the codec that corresponds to prev */
- while (prev && (c = av_codec_next(c)))
+ while (prev && (c = av_codec_iterate(&iter)))
if (c->priv_class == prev)
break;
/* find next codec with priv options */
- while (c = av_codec_next(c))
+ while (c = av_codec_iterate(&iter))
+ if (c->priv_class)
+ return c->priv_class;
+ return NULL;
+}
+#endif
+
+static const AVClass *codec_child_class_iterate(void **iter)
+{
+ const AVCodec *c;
+ /* find next codec with priv options */
+ while (c = av_codec_iterate(iter))
if (c->priv_class)
return c->priv_class;
return NULL;
.version = LIBAVUTIL_VERSION_INT,
.log_level_offset_offset = offsetof(AVCodecContext, log_level_offset),
.child_next = codec_child_next,
+#if FF_API_CHILD_CLASS_NEXT
.child_class_next = codec_child_class_next,
+#endif
+ .child_class_iterate = codec_child_class_iterate,
.category = AV_CLASS_CATEGORY_ENCODER,
.get_category = get_category,
};
{NULL},
};
+#if FF_API_COPY_CONTEXT
static const AVClass av_frame_class = {
.class_name = "AVFrame",
.item_name = NULL,
{
return &av_frame_class;
}
+#endif
#define SROFFSET(x) offsetof(AVSubtitleRect,x)
{NULL},
};
+#if FF_API_COPY_CONTEXT
static const AVClass av_subtitle_rect_class = {
.class_name = "AVSubtitleRect",
.item_name = NULL,
{
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);
- 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;
- 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
projects / ffmpeg / blobdiff