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jpeg2000dec: initialize static data just once

This commit is contained in:
Janne Grunau 2013-05-06 22:42:27 +02:00
parent 45a1694fde
commit 70f9661542
1 changed files with 18 additions and 14 deletions
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32
libavcodec/jpeg2000dec.c
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@ -1264,8 +1264,6 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data,
// reduction factor, i.e number of resolution levels to skip
s->reduction_factor = s->lowres;
ff_jpeg2000_init_tier1_luts();
if (s->buf_end - s->buf < 2)
return AVERROR(EINVAL);
@ -1308,6 +1306,11 @@ end:
return ret ? ret : s->buf - s->buf_start;
}
static void jpeg2000_init_static_data(AVCodec *codec)
{
ff_jpeg2000_init_tier1_luts();
}
#define OFFSET(x) offsetof(Jpeg2000DecoderContext, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
@ -1334,16 +1337,17 @@ static const AVClass class = {
};
AVCodec ff_jpeg2000_decoder = {
.name = "jpeg2000",
.long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_JPEG2000,
.capabilities = CODEC_CAP_FRAME_THREADS,
.priv_data_size = sizeof(Jpeg2000DecoderContext),
.decode = jpeg2000_decode_frame,
.priv_class = &class,
.pix_fmts = (enum PixelFormat[]) { AV_PIX_FMT_XYZ12,
AV_PIX_FMT_GRAY8,
-1 },
.profiles = NULL_IF_CONFIG_SMALL(profiles)
.name = "jpeg2000",
.long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_JPEG2000,
.capabilities = CODEC_CAP_FRAME_THREADS,
.priv_data_size = sizeof(Jpeg2000DecoderContext),
.init_static_data = jpeg2000_init_static_data,
.decode = jpeg2000_decode_frame,
.priv_class = &class,
.pix_fmts = (enum PixelFormat[]) { AV_PIX_FMT_XYZ12,
AV_PIX_FMT_GRAY8,
-1 },
.profiles = NULL_IF_CONFIG_SMALL(profiles)
};