diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index 64db61c478..bbf9279d54 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -32,7 +32,6 @@ /* internal globals */ typedef struct { unsigned int oldval; - unsigned short gbuf2[4][30]; /* the swapped buffers */ unsigned int swapbuffers[4][10]; @@ -239,11 +238,10 @@ static void do_output_subblock(Real144_internal *glob, const unsigned short *gs final(gsp, block, output_buffer, glob->buffer, BLOCKSIZE); } -static int dec1(Real144_internal *glob, const int *data, const int *inp, - int f, int block_idx) +static int dec1(signed short *decsp, const int *data, const int *inp, + int f) { short *ptr,*end; - signed short *decsp = glob->gbuf2[block_idx]; end = (ptr = decsp) + 30; @@ -296,7 +294,7 @@ static int eq(const short *in, int *target) return retval; } -static int dec2(Real144_internal *glob, const int *data, const int *inp, +static int dec2(signed short *decsp, const int *data, const int *inp, int f, const int *inp2, int l) { unsigned const int *ptr1,*ptr2; @@ -304,7 +302,6 @@ static int dec2(Real144_internal *glob, const int *data, const int *inp, int a,b; int x; int result; - signed short *decsp = glob->gbuf2[l]; unsigned short *sptr = decsp; if(l + 1 < NBLOCKS / 2) @@ -323,7 +320,7 @@ static int dec2(Real144_internal *glob, const int *data, const int *inp, result = eq(decsp, work); if (result == 1) { - return dec1(glob, data, inp, f, l); + return dec1(decsp, data, inp, f); } else { return rms(work, f); } @@ -336,6 +333,7 @@ static int ra144_decode_frame(AVCodecContext * avctx, { static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2}; unsigned int gbuf1[4]; + unsigned short gbuf2[4][30]; unsigned int a, c; int i; int16_t *data = vdata; @@ -360,18 +358,18 @@ static int ra144_decode_frame(AVCodecContext * avctx, val = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries? a = t_sqrt(val*glob->oldval) >> 12; - gbuf1[0] = dec2(glob, glob->swapbuf1alt, glob->swapbuf2alt, glob->oldval, glob->swapbuf2, 0); + gbuf1[0] = dec2(gbuf2[0], glob->swapbuf1alt, glob->swapbuf2alt, glob->oldval, glob->swapbuf2, 0); if (glob->oldval < val) { - gbuf1[1] = dec2(glob, glob->swapbuf1, glob->swapbuf2, a, glob->swapbuf2alt, 1); + gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1, glob->swapbuf2, a, glob->swapbuf2alt, 1); } else { - gbuf1[1] = dec2(glob, glob->swapbuf1alt, glob->swapbuf2alt, a, glob->swapbuf2, 1); + gbuf1[1] = dec2(gbuf2[1], glob->swapbuf1alt, glob->swapbuf2alt, a, glob->swapbuf2, 1); } - gbuf1[2] = dec2(glob, glob->swapbuf1, glob->swapbuf2, val, glob->swapbuf2alt, 2); - gbuf1[3] = dec1(glob, glob->swapbuf1, glob->swapbuf2, val, 3); + gbuf1[2] = dec2(gbuf2[2], glob->swapbuf1, glob->swapbuf2, val, glob->swapbuf2alt, 2); + gbuf1[3] = dec1(gbuf2[3], glob->swapbuf1, glob->swapbuf2, val); /* do output */ for (c=0; c<4; c++) { - do_output_subblock(glob, glob->gbuf2[c], gbuf1[c], data, &gb); + do_output_subblock(glob, gbuf2[c], gbuf1[c], data, &gb); for (i=0; i