summaryrefslogtreecommitdiff
path: root/libavcodec/ra144.c
diff options
context:
space:
mode:
authorVitor Sessak <vitor1001@gmail.com>2008-05-26 16:59:39 +0000
committerVitor Sessak <vitor1001@gmail.com>2008-05-26 16:59:39 +0000
commit17a7fc8ceb3786ec69c0742b0e96c8c94b183ffd (patch)
treeabbb6a7d94c155c8a4b275545d2785e779c928a1 /libavcodec/ra144.c
parentfc9fcbaed51b3d5460d9773db02c379efefed59c (diff)
Context vars are not global vars. glob is a bad name for it.
Originally committed as revision 13430 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra144.c')
-rw-r--r--libavcodec/ra144.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index fdc3351c9d..f8645dec8e 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -46,12 +46,12 @@ typedef struct {
static int ra144_decode_init(AVCodecContext * avctx)
{
- RA144Context *glob = avctx->priv_data;
+ RA144Context *ractx = avctx->priv_data;
- glob->swapbuf1 = glob->swapbuffers[0];
- glob->swapbuf2 = glob->swapbuffers[1];
- glob->swapbuf1alt = glob->swapbuffers[2];
- glob->swapbuf2alt = glob->swapbuffers[3];
+ ractx->swapbuf1 = ractx->swapbuffers[0];
+ ractx->swapbuf2 = ractx->swapbuffers[1];
+ ractx->swapbuf1alt = ractx->swapbuffers[2];
+ ractx->swapbuf2alt = ractx->swapbuffers[3];
return 0;
}
@@ -199,7 +199,7 @@ static unsigned int rms(const int *data, int f)
}
/* do quarter-block output */
-static void do_output_subblock(RA144Context *glob,
+static void do_output_subblock(RA144Context *ractx,
const uint16_t *gsp, unsigned int gval,
int16_t *output_buffer, GetBitContext *gb)
{
@@ -213,7 +213,7 @@ static void do_output_subblock(RA144Context *glob,
if (a) {
a += HALFBLOCK - 1;
- rotate_block(glob->buffer_2, buffer_a, a);
+ rotate_block(ractx->buffer_2, buffer_a, a);
m[0] = irms(buffer_a, gval) >> 12;
} else {
m[0] = 0;
@@ -222,14 +222,14 @@ static void do_output_subblock(RA144Context *glob,
m[1] = ((ftable1[b] >> 4) * gval) >> 8;
m[2] = ((ftable2[c] >> 4) * gval) >> 8;
- memmove(glob->buffer_2, glob->buffer_2 + BLOCKSIZE,
+ memmove(ractx->buffer_2, ractx->buffer_2 + BLOCKSIZE,
(BUFFERSIZE - BLOCKSIZE) * 2);
- block = glob->buffer_2 + BUFFERSIZE - BLOCKSIZE;
+ block = ractx->buffer_2 + BUFFERSIZE - BLOCKSIZE;
add_wav(d, a, m, buffer_a, etable1[b], etable2[c], block);
- final(gsp, block, output_buffer, glob->buffer, BLOCKSIZE);
+ final(gsp, block, output_buffer, ractx->buffer, BLOCKSIZE);
}
static int dec1(int16_t *decsp, const int *data, const int *inp, int f)
@@ -314,7 +314,7 @@ static int ra144_decode_frame(AVCodecContext * avctx,
int16_t *data = vdata;
unsigned int val;
- RA144Context *glob = avctx->priv_data;
+ RA144Context *ractx = avctx->priv_data;
GetBitContext gb;
if(buf_size < 20) {
@@ -326,25 +326,25 @@ static int ra144_decode_frame(AVCodecContext * avctx,
for (i=0; i<10; i++)
// "<< 1"? Doesn't this make one value out of two of the table useless?
- glob->swapbuf1[i] = decodetable[i][get_bits(&gb, sizes[i]) << 1];
+ ractx->swapbuf1[i] = decodetable[i][get_bits(&gb, sizes[i]) << 1];
- do_voice(glob->swapbuf1, glob->swapbuf2);
+ do_voice(ractx->swapbuf1, ractx->swapbuf2);
val = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries?
- a = t_sqrt(val*glob->oldval) >> 12;
+ a = t_sqrt(val*ractx->oldval) >> 12;
- gbuf1[0] = dec2(gbuf2[0], glob->swapbuf1alt, glob->swapbuf2alt, glob->oldval, glob->swapbuf2, 3);
- if (glob->oldval < val) {
- gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1, glob->swapbuf2, a, glob->swapbuf2alt, 2);
+ gbuf1[0] = dec2(gbuf2[0], ractx->swapbuf1alt, ractx->swapbuf2alt, ractx->oldval, ractx->swapbuf2, 3);
+ if (ractx->oldval < val) {
+ gbuf1[1] = dec2(gbuf2[1], ractx->swapbuf1, ractx->swapbuf2, a, ractx->swapbuf2alt, 2);
} else {
- gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1alt, glob->swapbuf2alt, a, glob->swapbuf2, 2);
+ gbuf1[1] = dec2(gbuf2[1], ractx->swapbuf1alt, ractx->swapbuf2alt, a, ractx->swapbuf2, 2);
}
- gbuf1[2] = dec2(gbuf2[2], glob->swapbuf1, glob->swapbuf2, val, glob->swapbuf2alt, 3);
- gbuf1[3] = dec1(gbuf2[3], glob->swapbuf1, glob->swapbuf2, val);
+ gbuf1[2] = dec2(gbuf2[2], ractx->swapbuf1, ractx->swapbuf2, val, ractx->swapbuf2alt, 3);
+ gbuf1[3] = dec1(gbuf2[3], ractx->swapbuf1, ractx->swapbuf2, val);
/* do output */
for (c=0; c<4; c++) {
- do_output_subblock(glob, gbuf2[c], gbuf1[c], data, &gb);
+ do_output_subblock(ractx, gbuf2[c], gbuf1[c], data, &gb);
for (i=0; i<BLOCKSIZE; i++) {
*data = av_clip_int16(*data << 2);
@@ -352,10 +352,10 @@ static int ra144_decode_frame(AVCodecContext * avctx,
}
}
- glob->oldval = val;
+ ractx->oldval = val;
- FFSWAP(unsigned int *, glob->swapbuf1alt, glob->swapbuf1);
- FFSWAP(unsigned int *, glob->swapbuf2alt, glob->swapbuf2);
+ FFSWAP(unsigned int *, ractx->swapbuf1alt, ractx->swapbuf1);
+ FFSWAP(unsigned int *, ractx->swapbuf2alt, ractx->swapbuf2);
*data_size = 2*160;
return 20;