X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Foptions.c;h=58c7ce8d6242d990e4f2b9c70c4c76b3bf42bb71;hb=f21b47f38c2fe67fe218a5621aec24be45ca12a2;hp=41b60521cc44484d7b65503ff78c15912c2469bb;hpb=398000abcf980d239a789da6f69811913d2fc635;p=ffmpeg diff --git a/libavcodec/options.c b/libavcodec/options.c index 41b60521cc4..58c7ce8d624 100644 --- a/libavcodec/options.c +++ b/libavcodec/options.c @@ -53,17 +53,30 @@ static void *codec_child_next(void *obj, void *prev) 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; @@ -83,7 +96,10 @@ static const AVClass av_codec_context_class = { .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, }; @@ -114,6 +130,7 @@ static int init_context_defaults(AVCodecContext *s, const AVCodec *codec) s->pkt_timebase = (AVRational){ 0, 1 }; s->get_buffer2 = avcodec_default_get_buffer2; s->get_format = avcodec_default_get_format; + s->get_encode_buffer = avcodec_default_get_encode_buffer; s->execute = avcodec_default_execute; s->execute2 = avcodec_default_execute2; s->sample_aspect_ratio = (AVRational){0,1}; @@ -123,12 +140,9 @@ static int init_context_defaults(AVCodecContext *s, const AVCodec *codec) s->reordered_opaque = AV_NOPTS_VALUE; if(codec && codec->priv_data_size){ - if(!s->priv_data){ - s->priv_data= av_mallocz(codec->priv_data_size); - if (!s->priv_data) { - return AVERROR(ENOMEM); - } - } + s->priv_data = av_mallocz(codec->priv_data_size); + if (!s->priv_data) + return AVERROR(ENOMEM); if(codec->priv_class){ *(const AVClass**)s->priv_data = codec->priv_class; av_opt_set_defaults(s->priv_data); @@ -296,6 +310,7 @@ const AVClass *avcodec_get_class(void) return &av_codec_context_class; } +#if FF_API_GET_FRAME_CLASS #define FOFFSET(x) offsetof(AVFrame,x) static const AVOption frame_options[]={ @@ -322,6 +337,7 @@ const AVClass *avcodec_get_frame_class(void) { return &av_frame_class; } +#endif #define SROFFSET(x) offsetof(AVSubtitleRect,x) @@ -347,172 +363,3 @@ const AVClass *avcodec_get_subtitle_rect_class(void) { 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