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lavc/options: add test for avcodec_copy_context

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This test doesn't cover every possible issue with this function.
It covers options management only.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
pull/101/head
Lukasz Marek 10 years ago
parent 0dcebe2620
commit 72732307d9
2 changed files with 173 additions and 0 deletions
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  1. 2
      libavcodec/Makefile
  2. 171
      libavcodec/options.c

2
libavcodec/Makefile
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@ -858,6 +858,8 @@ SKIPHEADERS-$(CONFIG_VDA) += vda.h vda_internal.h
SKIPHEADERS-$(CONFIG_VDPAU) += vdpau.h vdpau_internal.h
TESTPROGS = imgconvert \
options \
TESTPROGS-$(CONFIG_CABAC) += cabac
TESTPROGS-$(CONFIG_FFT) += fft fft-fixed fft-fixed32

171
libavcodec/options.c
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@ -309,3 +309,174 @@ 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);
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

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