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jpegdec: Only parse for SOI when we didn't see it before

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This commit is contained in:
Edward Hervey 2012-05-17 09:33:18 +02:00 committed by Sebastian Dröge
parent c6c4906770
commit d811797186
1 changed files with 15 additions and 11 deletions
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26
ext/jpeg/gstjpegdec.c
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@ -430,7 +430,7 @@ gst_jpeg_dec_parse (GstVideoDecoder * bdec, GstVideoCodecFrame * frame,
GstAdapter * adapter, gboolean at_eos)
{
guint size;
gint ret, toadd = 0;
gint toadd = 0;
gboolean resync;
gint offset = 0, noffset;
GstJpegDec *dec = (GstJpegDec *) bdec;
@ -453,17 +453,21 @@ gst_jpeg_dec_parse (GstVideoDecoder * bdec, GstVideoCodecFrame * frame,
if (size < 8)
goto need_more_data;
/* we expect at least 4 bytes, first of which start marker */
ret =
gst_adapter_masked_scan_uint32 (adapter, 0xffff0000, 0xffd80000, 0,
size - 4);
GST_DEBUG ("ret:%d", ret);
if (ret < 0)
goto need_more_data;
if (!dec->saw_header) {
gint ret;
/* we expect at least 4 bytes, first of which start marker */
ret =
gst_adapter_masked_scan_uint32 (adapter, 0xffff0000, 0xffd80000, 0,
size - 4);
if (ret) {
gst_adapter_flush (adapter, ret);
size -= ret;
GST_DEBUG ("ret:%d", ret);
if (ret < 0)
goto need_more_data;
if (ret) {
gst_adapter_flush (adapter, ret);
size -= ret;
}
dec->saw_header = TRUE;
}