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Original Commit: r111 | ods15 | 2006-10-01 19:40:50 +0200 (Sun, 01 Oct 2006) | 2 lines

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update to use ff_vorbis_floor1_render_list

Originally committed as revision 6515 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Oded Shimon 2006-10-02 06:09:45 +00:00
parent 2eb3db5f69
commit c83637b965
1 changed files with 4 additions and 16 deletions
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20
libavcodec/vorbis_enc.c
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@ -1117,7 +1117,7 @@ static float get_floor_average(floor_t * fc, float * coeffs, int i) {
return average / (end - begin);
}
static void floor_fit(venc_context_t * venc, floor_t * fc, float * coeffs, int * posts, int samples) {
static void floor_fit(venc_context_t * venc, floor_t * fc, float * coeffs, uint_fast16_t * posts, int samples) {
int range = 255 / fc->multiplier + 1;
int i;
float tot_average = 0.;
@ -1141,11 +1141,10 @@ static int render_point(int x0, int y0, int x1, int y1, int x) {
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
static void floor_encode(venc_context_t * venc, floor_t * fc, PutBitContext * pb, int * posts, float * floor, int samples) {
static void floor_encode(venc_context_t * venc, floor_t * fc, PutBitContext * pb, uint_fast16_t * posts, float * floor, int samples) {
int range = 255 / fc->multiplier + 1;
int coded[fc->values]; // first 2 values are unused
int i, counter;
int lx, ly;
put_bits(pb, 1, 1); // non zero
put_bits(pb, ilog(range - 1), posts[0]);
@ -1208,18 +1207,7 @@ static void floor_encode(venc_context_t * venc, floor_t * fc, PutBitContext * pb
}
}
lx = 0;
ly = posts[0] * fc->multiplier; // sorted 0 is still 0
for (i = 1; i < fc->values; i++) {
int pos = fc->list[i].sort;
if (coded[pos]) {
render_line(lx, ly, fc->list[pos].x, posts[pos] * fc->multiplier, floor, samples);
lx = fc->list[pos].x;
ly = posts[pos] * fc->multiplier;
}
if (lx >= samples) break;
}
if (lx < samples) render_line(lx, ly, samples, ly, floor, samples);
ff_vorbis_floor1_render_list(fc->list, fc->values, posts, coded, fc->multiplier, floor, samples);
}
static float * put_vector(codebook_t * book, PutBitContext * pb, float * num) {
@ -1419,7 +1407,7 @@ static int vorbis_encode_frame(AVCodecContext * avccontext, unsigned char * pack
for (i = 0; i < venc->channels; i++) {
floor_t * fc = &venc->floors[mapping->floor[mapping->mux[i]]];
int posts[fc->values];
uint_fast16_t posts[fc->values];
floor_fit(venc, fc, &venc->coeffs[i * samples], posts, samples);
floor_encode(venc, fc, &pb, posts, &venc->floor[i * samples], samples);
}