Original Commit: r59 | ods15 | 2006-09-24 17:40:40 +0300 (Sun, 24 Sep 2006) | 2 lines

cosmetic, reorganize

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@6464 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/vorbis_enc.c

@@ -598,23 +598,65 @@ static int put_main_header(venc_context_t * venc, uint8_t ** out) {
     return p - *out;
 }
 
-static int vorbis_encode_init(AVCodecContext * avccontext)
-{
-    venc_context_t * venc = avccontext->priv_data;
-
-    create_vorbis_context(venc, avccontext);
-
-    //if (avccontext->flags & CODEC_FLAG_QSCALE) avccontext->global_quality / (float)FF_QP2LAMBDA); else avccontext->bit_rate;
-    //if(avccontext->cutoff > 0) cfreq = avccontext->cutoff / 1000.0;
+static float * put_vector(codebook_t * book, PutBitContext * pb, float * num) {
+    int i;
+    int entry = -1;
+    float distance = 0;
+    assert(book->dimentions);
+    for (i = 0; i < book->nentries; i++) {
+        float d = 0.;
+        int j;
+        for (j = 0; j < book->ndimentions; j++) {
+            float a = (book->dimentions[i * book->ndimentions + j] - num[j]);
+            d += a*a;
+        }
+        if (entry == -1 || distance > d) {
+            entry = i;
+            distance = d;
+        }
+    }
+    put_bits(pb, book->entries[entry].len, book->entries[entry].codeword);
+    return &book->dimentions[entry * book->ndimentions];
+}
 
-    avccontext->extradata_size = put_main_header(venc, (uint8_t**)&avccontext->extradata);
+static void residue_encode(venc_context_t * venc, residue_t * rc, PutBitContext * pb, float * coeffs, int samples, int channels) {
+    int pass, i, j, p, k;
+    int psize = rc->partition_size;
+    int partitions = (rc->end - rc->begin) / psize;
+    int classes[channels][partitions];
+    int classwords = venc->codebooks[rc->classbook].ndimentions;
 
-    avccontext->frame_size = 1 << (venc->blocksize[0] - 1);
+    for (pass = 0; pass < 8; pass++) {
+        p = 0;
+        while (p < partitions) {
+            if (pass == 0) for (j = 0; j < channels; j++) {
+                codebook_t * book = &venc->codebooks[rc->classbook];
+                int entry = 0;
+                put_bits(pb, book->entries[entry].len, book->entries[entry].codeword);
+                for (i = classwords; i--; ) {
+                    classes[j][p + i] = entry % rc->classifications;
+                    entry /= rc->classifications;
+                }
+            }
+            for (i = 0; i < classwords && p < partitions; i++, p++) {
+                for (j = 0; j < channels; j++) {
+                    int nbook = rc->books[classes[j][p]][pass];
+                    codebook_t * book = &venc->codebooks[nbook];
+                    float * buf = coeffs + samples*j + rc->begin + p*psize;
+                    if (nbook == -1) continue;
 
-    avccontext->coded_frame = avcodec_alloc_frame();
-    avccontext->coded_frame->key_frame = 1;
+                    assert(rc->type == 0);
+                    assert(!(psize % book->ndimentions));
 
-    return 0;
+                    for (k = 0; k < psize; k += book->ndimentions) {
+                        float * a = put_vector(book, pb, &buf[k]);
+                        int l;
+                        for (l = 0; l < book->ndimentions; l++) buf[k + l] -= a[l];
+                    }
+                }
+            }
+        }
+    }
 }
 
 static int window(venc_context_t * venc, signed short * audio, int samples) {
@@ -667,65 +709,23 @@ static int window(venc_context_t * venc, signed short * audio, int samples) {
     return 1;
 }
 
-static float * put_vector(codebook_t * book, PutBitContext * pb, float * num) {
-    int i;
-    int entry = -1;
-    float distance = 0;
-    assert(book->dimentions);
-    for (i = 0; i < book->nentries; i++) {
-        float d = 0.;
-        int j;
-        for (j = 0; j < book->ndimentions; j++) {
-            float a = (book->dimentions[i * book->ndimentions + j] - num[j]);
-            d += a*a;
-        }
-        if (entry == -1 || distance > d) {
-            entry = i;
-            distance = d;
-        }
-    }
-    put_bits(pb, book->entries[entry].len, book->entries[entry].codeword);
-    return &book->dimentions[entry * book->ndimentions];
-}
+static int vorbis_encode_init(AVCodecContext * avccontext)
+{
+    venc_context_t * venc = avccontext->priv_data;
 
-static void residue_encode(venc_context_t * venc, residue_t * rc, PutBitContext * pb, float * coeffs, int samples, int channels) {
-    int pass, i, j, p, k;
-    int psize = rc->partition_size;
-    int partitions = (rc->end - rc->begin) / psize;
-    int classes[channels][partitions];
-    int classwords = venc->codebooks[rc->classbook].ndimentions;
+    create_vorbis_context(venc, avccontext);
 
-    for (pass = 0; pass < 8; pass++) {
-        p = 0;
-        while (p < partitions) {
-            if (pass == 0) for (j = 0; j < channels; j++) {
-                codebook_t * book = &venc->codebooks[rc->classbook];
-                int entry = 0;
-                put_bits(pb, book->entries[entry].len, book->entries[entry].codeword);
-                for (i = classwords; i--; ) {
-                    classes[j][p + i] = entry % rc->classifications;
-                    entry /= rc->classifications;
-                }
-            }
-            for (i = 0; i < classwords && p < partitions; i++, p++) {
-                for (j = 0; j < channels; j++) {
-                    int nbook = rc->books[classes[j][p]][pass];
-                    codebook_t * book = &venc->codebooks[nbook];
-                    float * buf = coeffs + samples*j + rc->begin + p*psize;
-                    if (nbook == -1) continue;
+    //if (avccontext->flags & CODEC_FLAG_QSCALE) avccontext->global_quality / (float)FF_QP2LAMBDA); else avccontext->bit_rate;
+    //if(avccontext->cutoff > 0) cfreq = avccontext->cutoff / 1000.0;
 
-                    assert(rc->type == 0);
-                    assert(!(psize % book->ndimentions));
+    avccontext->extradata_size = put_main_header(venc, (uint8_t**)&avccontext->extradata);
 
-                    for (k = 0; k < psize; k += book->ndimentions) {
-                        float * a = put_vector(book, pb, &buf[k]);
-                        int l;
-                        for (l = 0; l < book->ndimentions; l++) buf[k + l] -= a[l];
-                    }
-                }
-            }
-        }
-    }
+    avccontext->frame_size = 1 << (venc->blocksize[0] - 1);
+
+    avccontext->coded_frame = avcodec_alloc_frame();
+    avccontext->coded_frame->key_frame = 1;
+
+    return 0;
 }
 
 static int vorbis_encode_frame(AVCodecContext * avccontext, unsigned char * packets, int buf_size, void *data)