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libzvbi-teletextdec: set bitmap teletext canvas dimensions

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-12-07 17:51:19 +01:00
parent c77e0c2130
commit 97f880e7a9
1 changed files with 5 additions and 0 deletions
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5
libavcodec/libzvbi-teletextdec.c
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@ -474,6 +474,11 @@ static int teletext_init_decoder(AVCodecContext *avctx)
return AVERROR_EXTERNAL;
}
if (ctx->format_id == 0) {
avctx->width = 41 * BITMAP_CHAR_WIDTH;
avctx->height = 25 * BITMAP_CHAR_HEIGHT;
}
ctx->dx = NULL;
ctx->vbi = NULL;
ctx->pts = AV_NOPTS_VALUE;