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img2dec: correctly use the parsed value from -start_number

Previously the image sequence was always starting from the minimum
number rather than the requested one.

CC: libav-stable@libav.org
This commit is contained in:
Vittorio Giovara 2015-01-06 16:47:18 +01:00
parent 51da7d0274
commit 456ffec35d

View File

@ -194,7 +194,7 @@ static int img_read_header(AVFormatContext *s1)
return AVERROR(ENOENT);
s->img_first = first_index;
s->img_last = last_index;
s->img_number = first_index;
s->img_number = s->start_number != 1 ? s->start_number : first_index;
/* compute duration */
st->start_time = 0;
st->duration = last_index - first_index + 1;