FaSTTUBe/GST-Tensordecoder-ov_ep
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typefind: Use the proper data pointer instead of poking random memory.

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This commit is contained in:
Edward Hervey 2009-03-09 09:06:40 +01:00
parent eb3ff95a3a
commit 9acf7de5a4
1 changed files with 10 additions and 10 deletions
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20
gst/typefind/gsttypefindfunctions.c
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@ -576,39 +576,39 @@ flac_type_find (GstTypeFind * tf, gpointer unused)
/* look for frame header, /* look for frame header,
* http://flac.sourceforge.net/format.html#frame_header * http://flac.sourceforge.net/format.html#frame_header
*/ */
if (data[0] == 0xff && (data[1] >> 2) == 0x3e) { if (c.data[0] == 0xff && (c.data[1] >> 2) == 0x3e) {
/* bit 15 in the header must be 0 */ /* bit 15 in the header must be 0 */
if (((data[1] >> 1) & 0x01) == 0x01) if (((c.data[1] >> 1) & 0x01) == 0x01)
goto advance; goto advance;
/* blocksize must be != 0x00 */ /* blocksize must be != 0x00 */
if ((data[2] >> 4) == 0x00) if ((c.data[2] >> 4) == 0x00)
goto advance; goto advance;
/* samplerate must be != 0x0f */ /* samplerate must be != 0x0f */
if ((data[2] & 0x0f) == 0x0f) if ((c.data[2] & 0x0f) == 0x0f)
goto advance; goto advance;
/* also 0 is invalid, as it means get the info from the header and we /* also 0 is invalid, as it means get the info from the header and we
* don't have headers if we are here */ * don't have headers if we are here */
if ((data[2] & 0x0f) == 0x00) if ((c.data[2] & 0x0f) == 0x00)
goto advance; goto advance;
/* channel assignment must be < 11 */ /* channel assignment must be < 11 */
if ((data[3] >> 4) >= 11) if ((c.data[3] >> 4) >= 11)
goto advance; goto advance;
/* sample size must be != 0x07 and != 0x05 */ /* sample size must be != 0x07 and != 0x05 */
if (((data[3] >> 1) & 0x07) == 0x07) if (((c.data[3] >> 1) & 0x07) == 0x07)
goto advance; goto advance;
if (((data[3] >> 1) & 0x07) == 0x05) if (((c.data[3] >> 1) & 0x07) == 0x05)
goto advance; goto advance;
/* also 0 is invalid, as it means get the info from the header and we /* also 0 is invalid, as it means get the info from the header and we
* don't have headers if we are here */ * don't have headers if we are here */
if (((data[3] >> 1) & 0x07) == 0x00) if (((c.data[3] >> 1) & 0x07) == 0x00)
goto advance; goto advance;
/* next bit must be 0 */ /* next bit must be 0 */
if ((data[3] & 0x01) == 0x01) if ((c.data[3] & 0x01) == 0x01)
goto advance; goto advance;
/* FIXME: shouldn't we include the crc check ? */ /* FIXME: shouldn't we include the crc check ? */