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authorCarl-Anton Ingmarsson <ca.ingmarsson@gmail.com>2010-07-14 11:19:05 +0200
committerCarl-Anton Ingmarsson <ca.ingmarsson@gmail.com>2010-07-14 11:19:49 +0200
commitb3ad9d7d04bf83efada50f71671898ef86908b61 (patch)
tree3f9ff630abe7c74069378d6a60aae4de4de47db5
parentc27468f1a1fa1f3a4f4221afac6de4bfe22d8496 (diff)
vdpaumpegdec: rename zigzag matrix
-rw-r--r--sys/vdpau/mpeg/mpegutil.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/sys/vdpau/mpeg/mpegutil.c b/sys/vdpau/mpeg/mpegutil.c
index b0c122405..cce3411c9 100644
--- a/sys/vdpau/mpeg/mpegutil.c
+++ b/sys/vdpau/mpeg/mpegutil.c
@@ -24,7 +24,7 @@
#include "mpegutil.h"
/* default intra quant matrix, in zig-zag order */
-static const guint8 default_intra_quantizer_matrix[64] = {
+const guint8 default_intra_quantizer_matrix[64] = {
8,
16, 16,
19, 16, 19,
@@ -42,8 +42,7 @@ static const guint8 default_intra_quantizer_matrix[64] = {
83
};
-guint8 mpeg2_scan[64] = {
- /* Zig-Zag scan pattern */
+const guint8 mpeg_zigzag_8x8[64] = {
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
@@ -79,7 +78,7 @@ guint8 mpeg2_scan[64] = {
if (!gst_bit_reader_get_bits_uint64 (reader, &val, nbits)) { \
GST_WARNING ("failed to read uint32, nbits: %d", nbits); \
goto error; \
-} \
+ } \
}
static void
@@ -214,7 +213,7 @@ mpeg_util_parse_sequence_hdr (MPEGSeqHdr * hdr, GstBuffer * buffer)
if (load_intra_flag) {
gint i;
for (i = 0; i < 64; i++)
- READ_UINT8 (&reader, hdr->intra_quantizer_matrix[mpeg2_scan[i]], 8);
+ READ_UINT8 (&reader, hdr->intra_quantizer_matrix[mpeg_zigzag_8x8[i]], 8);
} else
memcpy (hdr->intra_quantizer_matrix, default_intra_quantizer_matrix, 64);
@@ -223,7 +222,8 @@ mpeg_util_parse_sequence_hdr (MPEGSeqHdr * hdr, GstBuffer * buffer)
if (load_non_intra_flag) {
gint i;
for (i = 0; i < 64; i++)
- READ_UINT8 (&reader, hdr->non_intra_quantizer_matrix[mpeg2_scan[i]], 8);
+ READ_UINT8 (&reader, hdr->non_intra_quantizer_matrix[mpeg_zigzag_8x8[i]],
+ 8);
} else
memset (hdr->non_intra_quantizer_matrix, 16, 64);
@@ -399,7 +399,7 @@ mpeg_util_parse_quant_matrix (MPEGQuantMatrix * qm, GstBuffer * buffer)
if (load_intra_flag) {
gint i;
for (i = 0; i < 64; i++) {
- READ_UINT8 (&reader, qm->intra_quantizer_matrix[mpeg2_scan[i]], 8);
+ READ_UINT8 (&reader, qm->intra_quantizer_matrix[mpeg_zigzag_8x8[i]], 8);
}
} else
memcpy (qm->intra_quantizer_matrix, default_intra_quantizer_matrix, 64);
@@ -409,7 +409,8 @@ mpeg_util_parse_quant_matrix (MPEGQuantMatrix * qm, GstBuffer * buffer)
if (load_non_intra_flag) {
gint i;
for (i = 0; i < 64; i++) {
- READ_UINT8 (&reader, qm->non_intra_quantizer_matrix[mpeg2_scan[i]], 8);
+ READ_UINT8 (&reader, qm->non_intra_quantizer_matrix[mpeg_zigzag_8x8[i]],
+ 8);
}
} else
memset (qm->non_intra_quantizer_matrix, 16, 64);