libtremor: rename file that now contains more ffmpeg code.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30581 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 141 deletions

diff --git a/apps/codecs/libtremor/ffmpeg_render_line.h b/apps/codecs/libtremor/ffmpeg_render_line.h
deleted file mode 100644
index a08952d..0000000
--- a/apps/codecs/libtremor/ffmpeg_render_line.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/**
- * @file
- * Common code for Vorbis I encoder and decoder
- * @author Denes Balatoni  ( dbalatoni programozo hu )
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/* render_line and friend taken from ffmpeg (libavcodec/vorbis.c) */
-
-#include "misc.h"
-
-static inline void render_line_unrolled(int x, int y, int x1,
-                                        int sy, int ady, int adx,
-                                        const ogg_int32_t *lookup, ogg_int32_t *buf)
-{
-    int err = -adx;
-    x -= x1 - 1;
-    buf += x1 - 1;
-    while (++x < 0) {
-        err += ady;
-        if (err >= 0) {
-            err += ady - adx;
-            y   += sy;
-            buf[x] = MULT31_SHIFT15(buf[x],lookup[y]);
-            x++;
-        }
-        buf[x] = MULT31_SHIFT15(buf[x],lookup[y]);
-    }
-    if (x <= 0) {
-        if (err + ady >= 0)
-            y += sy;
-        buf[x] = MULT31_SHIFT15(buf[x],lookup[y]);
-    }
-}
-
-static inline void render_line(int x0, int y0, int x1, int y1,
-                               const ogg_int32_t *lookup, ogg_int32_t *buf)
-{
-    int dy  = y1 - y0;
-    int adx = x1 - x0;
-    int ady = abs(dy);
-    int sy  = dy < 0 ? -1 : 1;
-    buf[x0] = MULT31_SHIFT15(buf[x0],lookup[y0]);
-    if (ady*2 <= adx) { // optimized common case
-        render_line_unrolled(x0, y0, x1, sy, ady, adx, lookup, buf);
-    } else {
-        int base = dy / adx;
-        int x    = x0;
-        int y    = y0;
-        int err  = -adx;
-        ady -= abs(base) * adx;
-        while (++x < x1) {
-            y += base;
-            err += ady;
-            if (err >= 0) {
-                err -= adx;
-                y   += sy;
-            }
-            buf[x] = MULT31_SHIFT15(buf[x],lookup[y]);
-        }
-    }
-}
-
-#ifndef INCL_OPTIMIZED_VECTOR_FMUL_WINDOW
-#define INCL_OPTIMIZED_VECTOR_FMUL_WINDOW
-static inline void ff_vector_fmul_window_c(ogg_int32_t *dst, const ogg_int32_t *src0,
-                                           const ogg_int32_t *src1, const ogg_int32_t *win, int len){
-    int i,j;
-    dst += len;
-    win += len;
-    src0+= len;
-    for(i=-len, j=len-1; i<0; i++, j--) {
-        ogg_int32_t s0 = src0[i];
-        ogg_int32_t s1 = src1[j];
-        ogg_int32_t wi = win[i];
-        ogg_int32_t wj = win[j];
-        XNPROD31(s0, s1, wj, wi, &dst[i], &dst[j]);
-        /*
-        dst[i] = MULT31(s0,wj) - MULT31(s1,wi);
-        dst[j] = MULT31(s0,wi) + MULT31(s1,wj);
-        */
-    }
-}
-#endif
-
-static inline void copy_normalize(ogg_int32_t *dst, ogg_int32_t *src, int len)
-{
-    memcpy(dst, src, len * sizeof(ogg_int32_t));
-}
-
-static inline void window_overlap_add(unsigned int blocksize, unsigned int lastblock,
-                                      unsigned int bs0, unsigned int bs1, int ch,
-                                      const ogg_int32_t *win, vorbis_dsp_state *v)
-{
-    unsigned retlen = (blocksize + lastblock) / 4;
-    int j;
-    for (j = 0; j < ch; j++) {
-        ogg_int32_t *residue   = v->residues[v->ri] + j * blocksize / 2;
-        ogg_int32_t *saved;
-        saved = v->saved_ptr[j];
-        ogg_int32_t       *ret = v->floors + j * retlen;
-        ogg_int32_t       *buf = residue;
-
-        if (v->W == v->lW) {
-            ff_vector_fmul_window_c(ret, saved, buf, win, blocksize / 4);
-        } else if (v->W > v->lW) {
-            ff_vector_fmul_window_c(ret, saved, buf, win, bs0 / 4);
-            copy_normalize(ret+bs0/2, buf+bs0/4, (bs1-bs0)/4);
-        } else {
-            copy_normalize(ret, saved, (bs1 - bs0) / 4);
-            ff_vector_fmul_window_c(ret + (bs1 - bs0) / 4, saved + (bs1 - bs0) / 4, buf, win, bs0 / 4);
-        }
-        if (v->residues[1] == NULL) {
-            memcpy(saved, buf + blocksize / 4, blocksize / 4 * sizeof(ogg_int32_t));
-            v->saved_ptr[j] = v->saved + j * bs1 / 4;
-        } else {
-            v->saved_ptr[j] = buf + blocksize / 4;
-        }
-
-        v->pcmb[j] = ret;
-    }
-
-    if (v->residues[1] != NULL) {
-      v->ri ^= 1;
-    }
-}