flacparse: Fix handling of headers advertising 32bps

According to the flac bitstream format specification, the sample size in bits
corresponding to `111` is 32 bits per sample.

https://xiph.org/flac/format.html#frame_header

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3517>
This commit is contained in:
Philippe Normand 2022-12-04 11:44:17 +00:00
parent c4cd94f465
commit b9011f3541

View file

@ -377,7 +377,7 @@ gst_flac_parse_stop (GstBaseParse * parse)
return TRUE;
}
static const guint8 sample_size_table[] = { 0, 8, 12, 0, 16, 20, 24, 0 };
static const guint8 sample_size_table[] = { 0, 8, 12, 0, 16, 20, 24, 32 };
static const guint16 blocksize_table[16] = {
0, 192, 576 << 0, 576 << 1, 576 << 2, 576 << 3, 0, 0,
@ -449,7 +449,7 @@ gst_flac_parse_frame_header_is_valid (GstFlacParse * flacparse,
/* bits per sample */
bps = gst_bit_reader_get_bits_uint8_unchecked (&reader, 3);
if (bps == 0x03 || bps == 0x07) {
if (bps == 0x03) {
goto error;
} else if (bps == 0 && flacparse->bps == 0) {
goto need_streaminfo;