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gifdec: remove width and height from demuxer context

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-30 16:09:02 +00:00
parent 2c69fcc2ff
commit 57b00d7ab1
1 changed files with 6 additions and 8 deletions
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14
libavformat/gifdec.c
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@ -32,8 +32,6 @@
typedef struct GIFDemuxContext {
const AVClass *class;
uint32_t width;
uint32_t height;
/**
* Time span in hundredths of second before
* the next frame should be drawn on screen.
@ -79,17 +77,17 @@ static int gif_read_header(AVFormatContext *s)
GIFDemuxContext *gdc = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *st;
int ret;
int width, height, ret;
/* skip 6-byte magick */
if ((ret = avio_skip(pb, 6)) < 0)
return ret;
gdc->delay = gdc->default_delay;
gdc->width = avio_rl16(pb);
gdc->height = avio_rl16(pb);
width = avio_rl16(pb);
height = avio_rl16(pb);
if (gdc->width == 0 || gdc->height == 0)
if (width == 0 || height == 0)
return AVERROR_INVALIDDATA;
st = avformat_new_stream(s, NULL);
@ -101,8 +99,8 @@ static int gif_read_header(AVFormatContext *s)
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = AV_CODEC_ID_GIF;
st->codec->width = gdc->width;
st->codec->height = gdc->height;
st->codec->width = width;
st->codec->height = height;
/* jump to start because gif decoder needs header data too */
if (avio_seek(pb, 0, SEEK_SET) != 0)