aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/tta.c
diff options
context:
space:
mode:
authorBenjamin Larsson <banan@ludd.ltu.se>2006-02-27 12:17:20 +0000
committerBenjamin Larsson <banan@ludd.ltu.se>2006-02-27 12:17:20 +0000
commit79a32e3b953c94268ed0691240dde053268f12cd (patch)
tree68ac9c965b3c462aa320c81b5886cfa9066a476d /libavcodec/tta.c
parente5867e4d50b76b4ca9b79e7e715a100a9bcbf0e8 (diff)
downloadffmpeg-79a32e3b953c94268ed0691240dde053268f12cd.tar.gz
64bit fixes for the tta decoder, sizeof(long) is 8 on amd64, 4 on x86, the patch
basicly just do a s/long/int32_t/. Patch tested on amd64 and x86. Originally committed as revision 5072 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/tta.c')
-rw-r--r--libavcodec/tta.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/libavcodec/tta.c b/libavcodec/tta.c
index e35853aa6f..3b1dd84450 100644
--- a/libavcodec/tta.c
+++ b/libavcodec/tta.c
@@ -41,7 +41,7 @@ typedef struct TTAContext {
int flags, channels, bps, is_float, data_length;
int frame_length, last_frame_length, total_frames;
- long *decode_buffer;
+ int32_t *decode_buffer;
} TTAContext;
#if 0
@@ -61,7 +61,7 @@ static inline int shift_16(int i)
return 0x80000000; // 16 << 27
}
#else
-static const unsigned long shift_1[] = {
+static const uint32_t shift_1[] = {
0x00000001, 0x00000002, 0x00000004, 0x00000008,
0x00000010, 0x00000020, 0x00000040, 0x00000080,
0x00000100, 0x00000200, 0x00000400, 0x00000800,
@@ -74,25 +74,25 @@ static const unsigned long shift_1[] = {
0x80000000, 0x80000000, 0x80000000, 0x80000000
};
-static const unsigned long *shift_16 = shift_1 + 4;
+static const uint32_t *shift_16 = shift_1 + 4;
#endif
#define MAX_ORDER 16
typedef struct TTAFilter {
- long shift, round, error, mode;
- long qm[MAX_ORDER];
- long dx[MAX_ORDER];
- long dl[MAX_ORDER];
+ int32_t shift, round, error, mode;
+ int32_t qm[MAX_ORDER];
+ int32_t dx[MAX_ORDER];
+ int32_t dl[MAX_ORDER];
} TTAFilter;
-static long ttafilter_configs[4][2] = {
+static int32_t ttafilter_configs[4][2] = {
{10, 1},
{9, 1},
{10, 1},
{12, 0}
};
-static void ttafilter_init(TTAFilter *c, long shift, long mode) {
+static void ttafilter_init(TTAFilter *c, int32_t shift, int32_t mode) {
memset(c, 0, sizeof(TTAFilter));
c->shift = shift;
c->round = shift_1[shift-1];
@@ -101,7 +101,7 @@ static void ttafilter_init(TTAFilter *c, long shift, long mode) {
}
// FIXME: copy paste from original
-static inline void memshl(register long *a, register long *b) {
+static inline void memshl(register int32_t *a, register int32_t *b) {
*a++ = *b++;
*a++ = *b++;
*a++ = *b++;
@@ -114,8 +114,8 @@ static inline void memshl(register long *a, register long *b) {
// FIXME: copy paste from original
// mode=1 encoder, mode=0 decoder
-static inline void ttafilter_process(TTAFilter *c, long *in, long mode) {
- register long *dl = c->dl, *qm = c->qm, *dx = c->dx, sum = c->round;
+static inline void ttafilter_process(TTAFilter *c, int32_t *in, int32_t mode) {
+ register int32_t *dl = c->dl, *qm = c->qm, *dx = c->dx, sum = c->round;
if (!c->error) {
sum += *dl++ * *qm, qm++;
@@ -174,10 +174,10 @@ static inline void ttafilter_process(TTAFilter *c, long *in, long mode) {
}
typedef struct TTARice {
- unsigned long k0, k1, sum0, sum1;
+ uint32_t k0, k1, sum0, sum1;
} TTARice;
-static void rice_init(TTARice *c, unsigned long k0, unsigned long k1)
+static void rice_init(TTARice *c, uint32_t k0, uint32_t k1)
{
c->k0 = k0;
c->k1 = k1;
@@ -276,7 +276,7 @@ static int tta_decode_init(AVCodecContext * avctx)
skip_bits(&s->gb, 32);
skip_bits(&s->gb, 32); // CRC32 of seektable
- s->decode_buffer = av_mallocz(sizeof(long)*s->frame_length*s->channels);
+ s->decode_buffer = av_mallocz(sizeof(int32_t)*s->frame_length*s->channels);
} else {
av_log(avctx, AV_LOG_ERROR, "Wrong extradata present\n");
return -1;
@@ -294,11 +294,11 @@ static int tta_decode_frame(AVCodecContext *avctx,
init_get_bits(&s->gb, buf, buf_size*8);
{
- long predictors[s->channels];
+ int32_t predictors[s->channels];
TTAFilter filters[s->channels];
TTARice rices[s->channels];
int cur_chan = 0, framelen = s->frame_length;
- long *p;
+ int32_t *p;
// FIXME: seeking
s->total_frames--;
@@ -313,11 +313,11 @@ static int tta_decode_frame(AVCodecContext *avctx,
}
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
- long *predictor = &(predictors[cur_chan]);
+ int32_t *predictor = &(predictors[cur_chan]);
TTAFilter *filter = &(filters[cur_chan]);
TTARice *rice = &(rices[cur_chan]);
- unsigned long unary, depth, k;
- long value;
+ uint32_t unary, depth, k;
+ int32_t value;
unary = tta_get_unary(&s->gb);
@@ -360,7 +360,7 @@ static int tta_decode_frame(AVCodecContext *avctx,
ttafilter_process(filter, p, 0);
// fixed order prediction
-#define PRED(x, k) (long)((((uint64_t)x << k) - x) >> k)
+#define PRED(x, k) (int32_t)((((uint64_t)x << k) - x) >> k)
switch (s->bps) {
case 1: *p += PRED(*predictor, 4); break;
case 2:
@@ -372,9 +372,9 @@ static int tta_decode_frame(AVCodecContext *avctx,
#if 0
// extract 32bit float from last two int samples
if (s->is_float && ((p - data) & 1)) {
- unsigned long neg = *p & 0x80000000;
- unsigned long hi = *(p - 1);
- unsigned long lo = abs(*p) - 1;
+ uint32_t neg = *p & 0x80000000;
+ uint32_t hi = *(p - 1);
+ uint32_t lo = abs(*p) - 1;
hi += (hi || lo) ? 0x3f80 : 0;
// SWAP16: swap all the 16 bits
@@ -394,7 +394,7 @@ static int tta_decode_frame(AVCodecContext *avctx,
else {
// decorrelate in case of stereo integer
if (!s->is_float && (s->channels > 1)) {
- long *r = p - 1;
+ int32_t *r = p - 1;
for (*p += *r / 2; r > p - s->channels; r--)
*r = *(r + 1) - *r;
}