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authorZeeshan Ali <zeenix@gmail.com>2005-12-11 16:43:42 +0000
committerZeeshan Ali <zeenix@gmail.com>2005-12-11 16:43:42 +0000
commit8b6d639c5dec7e488792ca67c70d9fda161ac0ce (patch)
tree23ef6b3d3b5bd5b1a534bda52985e29e715b8b63 /gst/flx
parent81e11ca107dfb6efea2fea28a7186d2180cc3374 (diff)
Now flxdec works on big-endian machines as well.
Original commit message from CVS: Now flxdec works on big-endian machines as well.
Diffstat (limited to 'gst/flx')
-rw-r--r--gst/flx/flx_color.c8
-rw-r--r--gst/flx/flx_color.h3
-rw-r--r--gst/flx/flx_fmt.h197
-rw-r--r--gst/flx/gstflxdec.c6
-rw-r--r--gst/flx/gstflxdec.h5
5 files changed, 150 insertions, 69 deletions
diff --git a/gst/flx/flx_color.c b/gst/flx/flx_color.c
index 73846845..854010a4 100644
--- a/gst/flx/flx_color.c
+++ b/gst/flx/flx_color.c
@@ -60,10 +60,18 @@ flx_colorspace_convert (FlxColorSpaceConverter * flxpal, guchar * src,
while (size--) {
col = (*src++ * 3);
+
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+ *dest++ = 0;
+ *dest++ = flxpal->palvec[col];
+ *dest++ = flxpal->palvec[col + 1];
+ *dest++ = flxpal->palvec[col + 2];
+#else
*dest++ = flxpal->palvec[col + 2];
*dest++ = flxpal->palvec[col + 1];
*dest++ = flxpal->palvec[col];
*dest++ = 0;
+#endif
}
}
diff --git a/gst/flx/flx_color.h b/gst/flx/flx_color.h
index d423ab87..673505b4 100644
--- a/gst/flx/flx_color.h
+++ b/gst/flx/flx_color.h
@@ -17,6 +17,8 @@
* Boston, MA 02111-1307, USA.
*/
+#include <gst/gst.h>
+
typedef enum {
FLX_COLORSPACE_RGB8,
FLX_COLORSPACE_RGB32,
@@ -31,7 +33,6 @@ struct _FlxColorSpaceConverter {
guchar palvec[768];
};
-
void flx_colorspace_converter_destroy(FlxColorSpaceConverter *flxpal);
void flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar *dest);
FlxColorSpaceConverter * flx_colorspace_converter_new(gint width, gint height);
diff --git a/gst/flx/flx_fmt.h b/gst/flx/flx_fmt.h
index e50ee48e..19be6820 100644
--- a/gst/flx/flx_fmt.h
+++ b/gst/flx/flx_fmt.h
@@ -29,104 +29,173 @@ extern "C" {
enum Flx_TypeChunk
{
- /* frame chunks */
- FLX_PREFIX_TYPE = 0xf100,
- FLX_SCRIPT_CHUNK = 0xf1e0,
- FLX_FRAME_TYPE = 0xf1fa,
- FLX_SEGMENT_TABLE = 0xf1fb,
- FLX_HUFFMAN_TABLE = 0xf1fc,
-
- /* sub chunks */
- FLX_CEL_DATA = 3,
- FLX_COLOR256 = 4,
- FLX_SS2 = 7,
- FLX_COLOR64 = 11,
- FLX_LC = 12,
- FLX_BLACK = 13,
- FLX_BRUN = 15,
- FLX_COPY = 16,
- FLX_MINI = 18,
- FLX_DTA_RUN = 25,
- FLX_DTA_COPY = 26,
- FLX_DTA_LC = 27,
- FLX_LABEL = 31,
- FLX_BMP_MASK = 32,
- FLX_MLEV_MASK = 33,
- FLX_SEGMENT = 34,
- FLX_KEY_IMAGE = 35,
- FLX_KEY_PAL = 36,
- FLX_REGION = 37,
- FLX_WAVE = 38,
- FLX_USERSTRING = 39,
- FLX_RGN_MASK = 40
+ /* frame chunks */
+ FLX_PREFIX_TYPE = 0xf100,
+ FLX_SCRIPT_CHUNK = 0xf1e0,
+ FLX_FRAME_TYPE = 0xf1fa,
+ FLX_SEGMENT_TABLE = 0xf1fb,
+ FLX_HUFFMAN_TABLE = 0xf1fc,
+
+ /* sub chunks */
+ FLX_CEL_DATA = 3,
+ FLX_COLOR256 = 4,
+ FLX_SS2 = 7,
+ FLX_COLOR64 = 11,
+ FLX_LC = 12,
+ FLX_BLACK = 13,
+ FLX_BRUN = 15,
+ FLX_COPY = 16,
+ FLX_MINI = 18,
+ FLX_DTA_RUN = 25,
+ FLX_DTA_COPY = 26,
+ FLX_DTA_LC = 27,
+ FLX_LABEL = 31,
+ FLX_BMP_MASK = 32,
+ FLX_MLEV_MASK = 33,
+ FLX_SEGMENT = 34,
+ FLX_KEY_IMAGE = 35,
+ FLX_KEY_PAL = 36,
+ FLX_REGION = 37,
+ FLX_WAVE = 38,
+ FLX_USERSTRING = 39,
+ FLX_RGN_MASK = 40
};
enum Flx_MagicHdr
{
- FLX_MAGICHDR_FLI = 0xaf11,
- FLX_MAGICHDR_FLC = 0xaf12,
- FLX_MAGICHDR_FLX = 0xaf44,
- FLX_MAGICHDR_HUFFBWT = 0xaf30
+ FLX_MAGICHDR_FLI = 0xaf11,
+ FLX_MAGICHDR_FLC = 0xaf12,
+ FLX_MAGICHDR_FLX = 0xaf44,
+ FLX_MAGICHDR_HUFFBWT = 0xaf30
};
-
-
typedef struct _FlxHeader
{
- guint32 size;
- guint16 type;
- guint16 frames;
- guint16 width,height,depth,flags;
- guint32 speed;
- guint16 reserved1;
- /* FLC */
- guint32 created,creator,updated,updater;
- guint16 aspect_dx, aspect_dy;
- /* EGI */
- guint16 ext_flags,keyframes,totalframes;
- guint32 req_memory;
- guint16 max_regions,transp_num;
- guchar reserved2[24];
- /* FLC */
- guint32 oframe1,oframe2;
- guchar reserved3[40];
+ guint32 size;
+ guint16 type;
+ guint16 frames;
+ guint16 width,height,depth,flags;
+ guint32 speed;
+ guint16 reserved1;
+ /* FLC */
+ guint32 created,creator,updated,updater;
+ guint16 aspect_dx, aspect_dy;
+ /* EGI */
+ guint16 ext_flags,keyframes,totalframes;
+ guint32 req_memory;
+ guint16 max_regions,transp_num;
+ guchar reserved2[24];
+ /* FLC */
+ guint32 oframe1,oframe2;
+ guchar reserved3[40];
} FlxHeader;
#define FlxHeaderSize 128
typedef struct _FlxFrameChunk
{
- guint32 size;
- guint16 id;
+ guint32 size;
+ guint16 id;
} FlxFrameChunk;
#define FlxFrameChunkSize 6
typedef struct _FlxPrefixChunk
{
- guint16 chunks;
- guchar reserved[8];
+ guint16 chunks;
+ guchar reserved[8];
} FlxPrefixChunk;
typedef struct _FlxSegmentTable
{
- guint16 segments;
+ guint16 segments;
} FlxSegmentTable;
typedef struct _FlxHuffmanTable
{
- guint16 codelength;
- guint16 numcodes;
- guchar reserved[6];
+ guint16 codelength;
+ guint16 numcodes;
+ guchar reserved[6];
} FlxHuffmanTable;
typedef struct _FlxFrameType
{
- guint16 chunks;
- guint16 delay;
- guchar reserved[6];
+ guint16 chunks;
+ guint16 delay;
+ guchar reserved[6];
} FlxFrameType;
#define FlxFrameTypeSize 10
+#if G_BYTE_ORDER == G_BIG_ENDIAN
+#define LE_TO_BE_16(i16) ((guint16) (((i16) << 8) | ((i16) >> 8)))
+#define LE_TO_BE_32(i32) \
+ (((guint32) (LE_TO_BE_16((guint16) (i32))) << 16) | (LE_TO_BE_16((i32) >> 16)))
+
+#define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p) \
+ do { \
+ (frm_type_p)->chunks = LE_TO_BE_16((frm_type_p)->chunks); \
+ (frm_type_p)->delay = LE_TO_BE_16((frm_type_p)->delay); \
+ } while(0)
+
+#define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p) \
+ do { \
+ (hffmn_table_p)->codelength = \
+ LE_TO_BE_16((hffmn_table_p)->codelength); \
+ (hffmn_table_p)->numcodes = LE_TO_BE_16((hffmn_table_p)->numcodes); \
+ } while(0)
+
+#define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p) \
+ ((sgmnt_table_p)->segments = LE_TO_BE_16((sgmnt_table_p)->segments))
+
+#define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p) \
+ do { \
+ (prfx_chnk_p)->chunks = LE_TO_BE_16((prfx_chnk_p)->chunks); \
+ } while(0)
+
+#define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p) \
+ do { \
+ (frm_chnk_p)->size = LE_TO_BE_32((frm_chnk_p)->size); \
+ (frm_chnk_p)->id = LE_TO_BE_16((frm_chnk_p)->id); \
+ } while(0)
+
+#define FLX_HDR_FIX_ENDIANNESS(hdr_p) \
+ do { \
+ (hdr_p)->size = LE_TO_BE_32((hdr_p)->size); \
+ (hdr_p)->type = LE_TO_BE_16((hdr_p)->type); \
+ (hdr_p)->frames = LE_TO_BE_16((hdr_p)->frames); \
+ (hdr_p)->width = LE_TO_BE_16((hdr_p)->width); \
+ (hdr_p)->height = LE_TO_BE_16((hdr_p)->height); \
+ (hdr_p)->depth = LE_TO_BE_16((hdr_p)->depth); \
+ (hdr_p)->flags = LE_TO_BE_16((hdr_p)->flags); \
+ (hdr_p)->speed = LE_TO_BE_32((hdr_p)->speed); \
+ (hdr_p)->reserved1 = LE_TO_BE_16((hdr_p)->reserved1); \
+ (hdr_p)->created = LE_TO_BE_32((hdr_p)->created); \
+ (hdr_p)->creator = LE_TO_BE_32((hdr_p)->creator); \
+ (hdr_p)->updated = LE_TO_BE_32((hdr_p)->updated); \
+ (hdr_p)->updater = LE_TO_BE_32((hdr_p)->updater); \
+ (hdr_p)->aspect_dx = LE_TO_BE_16((hdr_p)->aspect_dx); \
+ (hdr_p)->aspect_dy = LE_TO_BE_16((hdr_p)->aspect_dy); \
+ (hdr_p)->ext_flags = LE_TO_BE_16((hdr_p)->ext_flags); \
+ (hdr_p)->keyframes = LE_TO_BE_16((hdr_p)->keyframes); \
+ (hdr_p)->totalframes = LE_TO_BE_16((hdr_p)->totalframes); \
+ (hdr_p)->req_memory = LE_TO_BE_32((hdr_p)->req_memory); \
+ (hdr_p)->max_regions = LE_TO_BE_16((hdr_p)->max_regions); \
+ (hdr_p)->transp_num = LE_TO_BE_16((hdr_p)->transp_num); \
+ (hdr_p)->oframe1 = LE_TO_BE_32((hdr_p)->oframe1); \
+ (hdr_p)->oframe2 = LE_TO_BE_32((hdr_p)->oframe2); \
+ } while(0)
+#else
+
+#define LE_TO_BE_16(i16) ((i16))
+#define LE_TO_BE_32(i32) ((i32))
+
+#define FLX_FRAME_TYPE_FIX_ENDIANNESS(frm_type_p)
+#define FLX_HUFFMAN_TABLE_FIX_ENDIANNESS(hffmn_table_p)
+#define FLX_SEGMENT_TABLE_FIX_ENDIANNESS(sgmnt_table_p)
+#define FLX_PREFIX_CHUNK_FIX_ENDIANNESS(prfx_chnk_p)
+#define FLX_FRAME_CHUNK_FIX_ENDIANNESS(frm_chnk_p)
+#define FLX_HDR_FIX_ENDIANNESS(hdr_p)
+
+#endif /* G_BYTE_ORDER == G_BIG_ENDIAN */
#ifdef __cplusplus
}
diff --git a/gst/flx/gstflxdec.c b/gst/flx/gstflxdec.c
index 3c0cc069..0e6a9dd9 100644
--- a/gst/flx/gstflxdec.c
+++ b/gst/flx/gstflxdec.c
@@ -211,6 +211,7 @@ flx_decode_chunks (GstFlxDec * flxdec, gulong count, guchar * data,
while (count--) {
hdr = (FlxFrameChunk *) data;
+ FLX_FRAME_CHUNK_FIX_ENDIANNESS (hdr);
data += FlxFrameChunkSize;
switch (hdr->id) {
@@ -466,6 +467,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
const guint8 *data = gst_adapter_peek (flxdec->adapter, FlxHeaderSize);
memcpy ((gchar *) & flxdec->hdr, data, FlxHeaderSize);
+ FLX_HDR_FIX_ENDIANNESS (&(flxdec->hdr));
gst_adapter_flush (flxdec->adapter, FlxHeaderSize);
flxh = &flxdec->hdr;
@@ -474,7 +476,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
if (flxh->type != FLX_MAGICHDR_FLI &&
flxh->type != FLX_MAGICHDR_FLC && flxh->type != FLX_MAGICHDR_FLX) {
GST_ELEMENT_ERROR (flxdec, STREAM, WRONG_TYPE, (NULL),
- ("not a flx file (type %d)\n", flxh->type));
+ ("not a flx file (type %x)\n", flxh->type));
return GST_FLOW_ERROR;
}
@@ -537,6 +539,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
const guint8 *data =
gst_adapter_peek (flxdec->adapter, FlxFrameChunkSize);
memcpy (&flxfh, data, FlxFrameChunkSize);
+ FLX_FRAME_CHUNK_FIX_ENDIANNESS (&flxfh);
switch (flxfh.id) {
case FLX_FRAME_TYPE:
@@ -550,6 +553,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
chunk = g_memdup (data, flxfh.size - FlxFrameChunkSize);
to_flush = flxfh.size - FlxFrameChunkSize;
+ FLX_FRAME_TYPE_FIX_ENDIANNESS ((FlxFrameType *) chunk);
if (((FlxFrameType *) chunk)->chunks == 0)
break;
diff --git a/gst/flx/gstflxdec.h b/gst/flx/gstflxdec.h
index 7ba5b760..0da91284 100644
--- a/gst/flx/gstflxdec.h
+++ b/gst/flx/gstflxdec.h
@@ -22,9 +22,8 @@
#include <gst/gst.h>
-#include "flx_color.h"
#include <gst/base/gstadapter.h>
-
+#include "flx_color.h"
#ifdef __cplusplus
extern "C" {
@@ -34,7 +33,7 @@ typedef enum {
GST_FLXDEC_READ_HEADER,
GST_FLXDEC_PLAYING,
} GstFlxDecState;
-
+
/* Definition of structure storing data for this element. */
typedef struct _GstFlxDec GstFlxDec;