* SVQ1 Encoder
* Copyright (C) 2004 Mike Melanson <melanson@pcisys.net>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file svq1enc.c
+ * @file
* Sorenson Vector Quantizer #1 (SVQ1) video codec.
* For more information of the SVQ1 algorithm, visit:
* http://www.pcisys.net/~melanson/codecs/
*/
-
#include "avcodec.h"
-#include "dsputil.h"
+#include "hpeldsp.h"
+#include "me_cmp.h"
#include "mpegvideo.h"
-
+#include "h263.h"
+#include "internal.h"
+#include "mpegutils.h"
#include "svq1.h"
+#include "svq1enc.h"
#include "svq1enc_cb.h"
#undef NDEBUG
#include <assert.h>
-
-typedef struct SVQ1Context {
- MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
- AVCodecContext *avctx;
- DSPContext dsp;
- AVFrame picture;
- AVFrame current_picture;
- AVFrame last_picture;
- PutBitContext pb;
- GetBitContext gb;
-
- PutBitContext reorder_pb[6]; //why ooh why this sick breadth first order, everything is slower and more complex
-
- int frame_width;
- int frame_height;
-
- /* Y plane block dimensions */
- int y_block_width;
- int y_block_height;
-
- /* U & V plane (C planes) block dimensions */
- int c_block_width;
- int c_block_height;
-
- uint16_t *mb_type;
- uint32_t *dummy;
- int16_t (*motion_val8[3])[2];
- int16_t (*motion_val16[3])[2];
-
- int64_t rd_total;
-} SVQ1Context;
-
-static void svq1_write_header(SVQ1Context *s, int frame_type)
+static void svq1_write_header(SVQ1EncContext *s, int frame_type)
{
int i;
/* frame type */
put_bits(&s->pb, 2, frame_type - 1);
- if (frame_type == FF_I_TYPE) {
-
+ if (frame_type == AV_PICTURE_TYPE_I) {
/* no checksum since frame code is 0x20 */
-
/* no embedded string either */
-
/* output 5 unknown bits (2 + 2 + 1) */
put_bits(&s->pb, 5, 2); /* 2 needed by quicktime decoder */
- for (i = 0; i < 7; i++)
- {
- if ((ff_svq1_frame_size_table[i].width == s->frame_width) &&
- (ff_svq1_frame_size_table[i].height == s->frame_height))
- {
- put_bits(&s->pb, 3, i);
- break;
- }
- }
+ i = ff_match_2uint16(ff_svq1_frame_size_table,
+ FF_ARRAY_ELEMS(ff_svq1_frame_size_table),
+ s->frame_width, s->frame_height);
+ put_bits(&s->pb, 3, i);
- if (i == 7)
- {
- put_bits(&s->pb, 3, 7);
- put_bits(&s->pb, 12, s->frame_width);
- put_bits(&s->pb, 12, s->frame_height);
+ if (i == 7) {
+ put_bits(&s->pb, 12, s->frame_width);
+ put_bits(&s->pb, 12, s->frame_height);
}
}
put_bits(&s->pb, 2, 0);
}
-
-#define QUALITY_THRESHOLD 100
+#define QUALITY_THRESHOLD 100
#define THRESHOLD_MULTIPLIER 0.6
-#if defined(HAVE_ALTIVEC)
-#undef vector
-#endif
+static int ssd_int8_vs_int16_c(const int8_t *pix1, const int16_t *pix2,
+ int size)
+{
+ int score = 0, i;
+
+ for (i = 0; i < size; i++)
+ score += (pix1[i] - pix2[i]) * (pix1[i] - pix2[i]);
+ return score;
+}
-static int encode_block(SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra){
+static int encode_block(SVQ1EncContext *s, uint8_t *src, uint8_t *ref,
+ uint8_t *decoded, int stride, int level,
+ int threshold, int lambda, int intra)
+{
int count, y, x, i, j, split, best_mean, best_score, best_count;
int best_vector[6];
- int block_sum[7]= {0, 0, 0, 0, 0, 0};
- int w= 2<<((level+2)>>1);
- int h= 2<<((level+1)>>1);
- int size=w*h;
+ int block_sum[7] = { 0, 0, 0, 0, 0, 0 };
+ int w = 2 << (level + 2 >> 1);
+ int h = 2 << (level + 1 >> 1);
+ int size = w * h;
int16_t block[7][256];
const int8_t *codebook_sum, *codebook;
- const uint16_t (*mean_vlc)[2];
- const uint8_t (*multistage_vlc)[2];
-
- best_score=0;
- //FIXME optimize, this doenst need to be done multiple times
- if(intra){
- codebook_sum= svq1_intra_codebook_sum[level];
- codebook= ff_svq1_intra_codebooks[level];
- mean_vlc= ff_svq1_intra_mean_vlc;
- multistage_vlc= ff_svq1_intra_multistage_vlc[level];
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v= src[x + y*stride];
- block[0][x + w*y]= v;
- best_score += v*v;
- block_sum[0] += v;
+ const uint16_t(*mean_vlc)[2];
+ const uint8_t(*multistage_vlc)[2];
+
+ best_score = 0;
+ // FIXME: Optimize, this does not need to be done multiple times.
+ if (intra) {
+ codebook_sum = svq1_intra_codebook_sum[level];
+ codebook = ff_svq1_intra_codebooks[level];
+ mean_vlc = ff_svq1_intra_mean_vlc;
+ multistage_vlc = ff_svq1_intra_multistage_vlc[level];
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ int v = src[x + y * stride];
+ block[0][x + w * y] = v;
+ best_score += v * v;
+ block_sum[0] += v;
}
}
- }else{
- codebook_sum= svq1_inter_codebook_sum[level];
- codebook= ff_svq1_inter_codebooks[level];
- mean_vlc= ff_svq1_inter_mean_vlc + 256;
- multistage_vlc= ff_svq1_inter_multistage_vlc[level];
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v= src[x + y*stride] - ref[x + y*stride];
- block[0][x + w*y]= v;
- best_score += v*v;
- block_sum[0] += v;
+ } else {
+ codebook_sum = svq1_inter_codebook_sum[level];
+ codebook = ff_svq1_inter_codebooks[level];
+ mean_vlc = ff_svq1_inter_mean_vlc + 256;
+ multistage_vlc = ff_svq1_inter_multistage_vlc[level];
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ int v = src[x + y * stride] - ref[x + y * stride];
+ block[0][x + w * y] = v;
+ best_score += v * v;
+ block_sum[0] += v;
}
}
}
- best_count=0;
- best_score -= ((block_sum[0]*block_sum[0])>>(level+3));
- best_mean= (block_sum[0] + (size>>1)) >> (level+3);
+ best_count = 0;
+ best_score -= (int)((unsigned)block_sum[0] * block_sum[0] >> (level + 3));
+ best_mean = block_sum[0] + (size >> 1) >> (level + 3);
- if(level<4){
- for(count=1; count<7; count++){
- int best_vector_score= INT_MAX;
- int best_vector_sum=-999, best_vector_mean=-999;
- const int stage= count-1;
+ if (level < 4) {
+ for (count = 1; count < 7; count++) {
+ int best_vector_score = INT_MAX;
+ int best_vector_sum = -999, best_vector_mean = -999;
+ const int stage = count - 1;
const int8_t *vector;
- for(i=0; i<16; i++){
- int sum= codebook_sum[stage*16 + i];
+ for (i = 0; i < 16; i++) {
+ int sum = codebook_sum[stage * 16 + i];
int sqr, diff, score;
- vector = codebook + stage*size*16 + i*size;
- sqr = s->dsp.ssd_int8_vs_int16(vector, block[stage], size);
- diff= block_sum[stage] - sum;
- score= sqr - ((diff*(int64_t)diff)>>(level+3)); //FIXME 64bit slooow
- if(score < best_vector_score){
- int mean= (diff + (size>>1)) >> (level+3);
- assert(mean >-300 && mean<300);
- mean= av_clip(mean, intra?0:-256, 255);
- best_vector_score= score;
- best_vector[stage]= i;
- best_vector_sum= sum;
- best_vector_mean= mean;
+ vector = codebook + stage * size * 16 + i * size;
+ sqr = s->ssd_int8_vs_int16(vector, block[stage], size);
+ diff = block_sum[stage] - sum;
+ score = sqr - (diff * (int64_t)diff >> (level + 3)); // FIXME: 64bit slooow
+ if (score < best_vector_score) {
+ int mean = diff + (size >> 1) >> (level + 3);
+ assert(mean > -300 && mean < 300);
+ mean = av_clip(mean, intra ? 0 : -256, 255);
+ best_vector_score = score;
+ best_vector[stage] = i;
+ best_vector_sum = sum;
+ best_vector_mean = mean;
}
}
assert(best_vector_mean != -999);
- vector= codebook + stage*size*16 + best_vector[stage]*size;
- for(j=0; j<size; j++){
- block[stage+1][j] = block[stage][j] - vector[j];
- }
- block_sum[stage+1]= block_sum[stage] - best_vector_sum;
- best_vector_score +=
- lambda*(+ 1 + 4*count
- + multistage_vlc[1+count][1]
- + mean_vlc[best_vector_mean][1]);
-
- if(best_vector_score < best_score){
- best_score= best_vector_score;
- best_count= count;
- best_mean= best_vector_mean;
+ vector = codebook + stage * size * 16 + best_vector[stage] * size;
+ for (j = 0; j < size; j++)
+ block[stage + 1][j] = block[stage][j] - vector[j];
+ block_sum[stage + 1] = block_sum[stage] - best_vector_sum;
+ best_vector_score += lambda *
+ (+1 + 4 * count +
+ multistage_vlc[1 + count][1]
+ + mean_vlc[best_vector_mean][1]);
+
+ if (best_vector_score < best_score) {
+ best_score = best_vector_score;
+ best_count = count;
+ best_mean = best_vector_mean;
}
}
}
- split=0;
- if(best_score > threshold && level){
- int score=0;
- int offset= (level&1) ? stride*h/2 : w/2;
+ split = 0;
+ if (best_score > threshold && level) {
+ int score = 0;
+ int offset = level & 1 ? stride * h / 2 : w / 2;
PutBitContext backup[6];
- for(i=level-1; i>=0; i--){
- backup[i]= s->reorder_pb[i];
- }
- score += encode_block(s, src , ref , decoded , stride, level-1, threshold>>1, lambda, intra);
- score += encode_block(s, src + offset, ref + offset, decoded + offset, stride, level-1, threshold>>1, lambda, intra);
+ for (i = level - 1; i >= 0; i--)
+ backup[i] = s->reorder_pb[i];
+ score += encode_block(s, src, ref, decoded, stride, level - 1,
+ threshold >> 1, lambda, intra);
+ score += encode_block(s, src + offset, ref + offset, decoded + offset,
+ stride, level - 1, threshold >> 1, lambda, intra);
score += lambda;
- if(score < best_score){
- best_score= score;
- split=1;
- }else{
- for(i=level-1; i>=0; i--){
- s->reorder_pb[i]= backup[i];
- }
+ if (score < best_score) {
+ best_score = score;
+ split = 1;
+ } else {
+ for (i = level - 1; i >= 0; i--)
+ s->reorder_pb[i] = backup[i];
}
}
if (level > 0)
put_bits(&s->reorder_pb[level], 1, split);
- if(!split){
- assert((best_mean >= 0 && best_mean<256) || !intra);
- assert(best_mean >= -256 && best_mean<256);
- assert(best_count >=0 && best_count<7);
- assert(level<4 || best_count==0);
+ if (!split) {
+ assert(best_mean >= 0 && best_mean < 256 || !intra);
+ assert(best_mean >= -256 && best_mean < 256);
+ assert(best_count >= 0 && best_count < 7);
+ assert(level < 4 || best_count == 0);
/* output the encoding */
put_bits(&s->reorder_pb[level],
- multistage_vlc[1 + best_count][1],
- multistage_vlc[1 + best_count][0]);
+ multistage_vlc[1 + best_count][1],
+ multistage_vlc[1 + best_count][0]);
put_bits(&s->reorder_pb[level], mean_vlc[best_mean][1],
- mean_vlc[best_mean][0]);
+ mean_vlc[best_mean][0]);
- for (i = 0; i < best_count; i++){
- assert(best_vector[i]>=0 && best_vector[i]<16);
+ for (i = 0; i < best_count; i++) {
+ assert(best_vector[i] >= 0 && best_vector[i] < 16);
put_bits(&s->reorder_pb[level], 4, best_vector[i]);
}
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- decoded[x + y*stride]= src[x + y*stride] - block[best_count][x + w*y] + best_mean;
- }
- }
+ for (y = 0; y < h; y++)
+ for (x = 0; x < w; x++)
+ decoded[x + y * stride] = src[x + y * stride] -
+ block[best_count][x + w * y] +
+ best_mean;
}
return best_score;
}
-
-static int svq1_encode_plane(SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane,
- int width, int height, int src_stride, int stride)
+static int svq1_encode_plane(SVQ1EncContext *s, int plane,
+ unsigned char *src_plane,
+ unsigned char *ref_plane,
+ unsigned char *decoded_plane,
+ int width, int height, int src_stride, int stride)
{
+ const AVFrame *f = s->avctx->coded_frame;
int x, y;
int i;
int block_width, block_height;
int level;
int threshold[6];
- const int lambda= (s->picture.quality*s->picture.quality) >> (2*FF_LAMBDA_SHIFT);
+ uint8_t *src = s->scratchbuf + stride * 16;
+ const int lambda = (f->quality * f->quality) >>
+ (2 * FF_LAMBDA_SHIFT);
/* figure out the acceptable level thresholds in advance */
threshold[5] = QUALITY_THRESHOLD;
for (level = 4; level >= 0; level--)
threshold[level] = threshold[level + 1] * THRESHOLD_MULTIPLIER;
- block_width = (width + 15) / 16;
+ block_width = (width + 15) / 16;
block_height = (height + 15) / 16;
- if(s->picture.pict_type == FF_P_TYPE){
- s->m.avctx= s->avctx;
- s->m.current_picture_ptr= &s->m.current_picture;
- s->m.last_picture_ptr = &s->m.last_picture;
- s->m.last_picture.data[0]= ref_plane;
- s->m.linesize=
- s->m.last_picture.linesize[0]=
- s->m.new_picture.linesize[0]=
- s->m.current_picture.linesize[0]= stride;
- s->m.width= width;
- s->m.height= height;
- s->m.mb_width= block_width;
- s->m.mb_height= block_height;
- s->m.mb_stride= s->m.mb_width+1;
- s->m.b8_stride= 2*s->m.mb_width+1;
- s->m.f_code=1;
- s->m.pict_type= s->picture.pict_type;
- s->m.me_method= s->avctx->me_method;
- s->m.me.scene_change_score=0;
- s->m.flags= s->avctx->flags;
-// s->m.out_format = FMT_H263;
-// s->m.unrestricted_mv= 1;
-
- s->m.lambda= s->picture.quality;
- s->m.qscale= (s->m.lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
- s->m.lambda2= (s->m.lambda*s->m.lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
-
- if(!s->motion_val8[plane]){
- s->motion_val8 [plane]= av_mallocz((s->m.b8_stride*block_height*2 + 2)*2*sizeof(int16_t));
- s->motion_val16[plane]= av_mallocz((s->m.mb_stride*(block_height + 2) + 1)*2*sizeof(int16_t));
+ if (f->pict_type == AV_PICTURE_TYPE_P) {
+ s->m.avctx = s->avctx;
+ s->m.current_picture_ptr = &s->m.current_picture;
+ s->m.last_picture_ptr = &s->m.last_picture;
+ s->m.last_picture.f->data[0] = ref_plane;
+ s->m.linesize =
+ s->m.last_picture.f->linesize[0] =
+ s->m.new_picture.f->linesize[0] =
+ s->m.current_picture.f->linesize[0] = stride;
+ s->m.width = width;
+ s->m.height = height;
+ s->m.mb_width = block_width;
+ s->m.mb_height = block_height;
+ s->m.mb_stride = s->m.mb_width + 1;
+ s->m.b8_stride = 2 * s->m.mb_width + 1;
+ s->m.f_code = 1;
+ s->m.pict_type = f->pict_type;
+ s->m.me_method = s->avctx->me_method;
+ s->m.me.scene_change_score = 0;
+ s->m.flags = s->avctx->flags;
+ // s->m.out_format = FMT_H263;
+ // s->m.unrestricted_mv = 1;
+ s->m.lambda = f->quality;
+ s->m.qscale = s->m.lambda * 139 +
+ FF_LAMBDA_SCALE * 64 >>
+ FF_LAMBDA_SHIFT + 7;
+ s->m.lambda2 = s->m.lambda * s->m.lambda +
+ FF_LAMBDA_SCALE / 2 >>
+ FF_LAMBDA_SHIFT;
+
+ if (!s->motion_val8[plane]) {
+ s->motion_val8[plane] = av_mallocz((s->m.b8_stride *
+ block_height * 2 + 2) *
+ 2 * sizeof(int16_t));
+ s->motion_val16[plane] = av_mallocz((s->m.mb_stride *
+ (block_height + 2) + 1) *
+ 2 * sizeof(int16_t));
}
- s->m.mb_type= s->mb_type;
+ s->m.mb_type = s->mb_type;
- //dummies, to avoid segfaults
- s->m.current_picture.mb_mean= (uint8_t *)s->dummy;
- s->m.current_picture.mb_var= (uint16_t*)s->dummy;
- s->m.current_picture.mc_mb_var= (uint16_t*)s->dummy;
- s->m.current_picture.mb_type= s->dummy;
+ // dummies, to avoid segfaults
+ s->m.current_picture.mb_mean = (uint8_t *)s->dummy;
+ s->m.current_picture.mb_var = (uint16_t *)s->dummy;
+ s->m.current_picture.mc_mb_var = (uint16_t *)s->dummy;
+ s->m.current_picture.mb_type = s->dummy;
- s->m.current_picture.motion_val[0]= s->motion_val8[plane] + 2;
- s->m.p_mv_table= s->motion_val16[plane] + s->m.mb_stride + 1;
- s->m.dsp= s->dsp; //move
+ s->m.current_picture.motion_val[0] = s->motion_val8[plane] + 2;
+ s->m.p_mv_table = s->motion_val16[plane] +
+ s->m.mb_stride + 1;
+ s->m.mecc = s->mecc; // move
ff_init_me(&s->m);
- s->m.me.dia_size= s->avctx->dia_size;
- s->m.first_slice_line=1;
+ s->m.me.dia_size = s->avctx->dia_size;
+ s->m.first_slice_line = 1;
for (y = 0; y < block_height; y++) {
- uint8_t src[stride*16];
-
- s->m.new_picture.data[0]= src - y*16*stride; //ugly
- s->m.mb_y= y;
-
- for(i=0; i<16 && i + 16*y<height; i++){
- memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
- for(x=width; x<16*block_width; x++)
- src[i*stride+x]= src[i*stride+x-1];
+ s->m.new_picture.f->data[0] = src - y * 16 * stride; // ugly
+ s->m.mb_y = y;
+
+ for (i = 0; i < 16 && i + 16 * y < height; i++) {
+ memcpy(&src[i * stride], &src_plane[(i + 16 * y) * src_stride],
+ width);
+ for (x = width; x < 16 * block_width; x++)
+ src[i * stride + x] = src[i * stride + x - 1];
}
- for(; i<16 && i + 16*y<16*block_height; i++)
- memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
+ for (; i < 16 && i + 16 * y < 16 * block_height; i++)
+ memcpy(&src[i * stride], &src[(i - 1) * stride],
+ 16 * block_width);
for (x = 0; x < block_width; x++) {
- s->m.mb_x= x;
+ s->m.mb_x = x;
ff_init_block_index(&s->m);
ff_update_block_index(&s->m);
ff_estimate_p_frame_motion(&s->m, x, y);
}
- s->m.first_slice_line=0;
+ s->m.first_slice_line = 0;
}
ff_fix_long_p_mvs(&s->m);
- ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code, CANDIDATE_MB_TYPE_INTER, 0);
+ ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code,
+ CANDIDATE_MB_TYPE_INTER, 0);
}
- s->m.first_slice_line=1;
+ s->m.first_slice_line = 1;
for (y = 0; y < block_height; y++) {
- uint8_t src[stride*16];
-
- for(i=0; i<16 && i + 16*y<height; i++){
- memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
- for(x=width; x<16*block_width; x++)
- src[i*stride+x]= src[i*stride+x-1];
+ for (i = 0; i < 16 && i + 16 * y < height; i++) {
+ memcpy(&src[i * stride], &src_plane[(i + 16 * y) * src_stride],
+ width);
+ for (x = width; x < 16 * block_width; x++)
+ src[i * stride + x] = src[i * stride + x - 1];
}
- for(; i<16 && i + 16*y<16*block_height; i++)
- memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
+ for (; i < 16 && i + 16 * y < 16 * block_height; i++)
+ memcpy(&src[i * stride], &src[(i - 1) * stride], 16 * block_width);
- s->m.mb_y= y;
+ s->m.mb_y = y;
for (x = 0; x < block_width; x++) {
- uint8_t reorder_buffer[3][6][7*32];
+ uint8_t reorder_buffer[3][6][7 * 32];
int count[3][6];
- int offset = y * 16 * stride + x * 16;
- uint8_t *decoded= decoded_plane + offset;
- uint8_t *ref= ref_plane + offset;
- int score[4]={0,0,0,0}, best;
- uint8_t temp[16*stride];
-
- if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 3000){ //FIXME check size
+ int offset = y * 16 * stride + x * 16;
+ uint8_t *decoded = decoded_plane + offset;
+ uint8_t *ref = ref_plane + offset;
+ int score[4] = { 0, 0, 0, 0 }, best;
+ uint8_t *temp = s->scratchbuf;
+
+ if (s->pb.buf_end - s->pb.buf -
+ (put_bits_count(&s->pb) >> 3) < 3000) { // FIXME: check size
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
- s->m.mb_x= x;
+ s->m.mb_x = x;
ff_init_block_index(&s->m);
ff_update_block_index(&s->m);
- if(s->picture.pict_type == FF_I_TYPE || (s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTRA)){
- for(i=0; i<6; i++){
- init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7*32);
- }
- if(s->picture.pict_type == FF_P_TYPE){
- const uint8_t *vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
+ if (f->pict_type == AV_PICTURE_TYPE_I ||
+ (s->m.mb_type[x + y * s->m.mb_stride] &
+ CANDIDATE_MB_TYPE_INTRA)) {
+ for (i = 0; i < 6; i++)
+ init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i],
+ 7 * 32);
+ if (f->pict_type == AV_PICTURE_TYPE_P) {
+ const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
- score[0]= vlc[1]*lambda;
+ score[0] = vlc[1] * lambda;
}
- score[0]+= encode_block(s, src+16*x, NULL, temp, stride, 5, 64, lambda, 1);
- for(i=0; i<6; i++){
- count[0][i]= put_bits_count(&s->reorder_pb[i]);
+ score[0] += encode_block(s, src + 16 * x, NULL, temp, stride,
+ 5, 64, lambda, 1);
+ for (i = 0; i < 6; i++) {
+ count[0][i] = put_bits_count(&s->reorder_pb[i]);
flush_put_bits(&s->reorder_pb[i]);
}
- }else
- score[0]= INT_MAX;
+ } else
+ score[0] = INT_MAX;
- best=0;
+ best = 0;
- if(s->picture.pict_type == FF_P_TYPE){
- const uint8_t *vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER];
+ if (f->pict_type == AV_PICTURE_TYPE_P) {
+ const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER];
int mx, my, pred_x, pred_y, dxy;
int16_t *motion_ptr;
- motion_ptr= h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y);
- if(s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTER){
- for(i=0; i<6; i++)
- init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7*32);
+ motion_ptr = ff_h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y);
+ if (s->m.mb_type[x + y * s->m.mb_stride] &
+ CANDIDATE_MB_TYPE_INTER) {
+ for (i = 0; i < 6; i++)
+ init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i],
+ 7 * 32);
put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
- s->m.pb= s->reorder_pb[5];
- mx= motion_ptr[0];
- my= motion_ptr[1];
- assert(mx>=-32 && mx<=31);
- assert(my>=-32 && my<=31);
- assert(pred_x>=-32 && pred_x<=31);
- assert(pred_y>=-32 && pred_y<=31);
+ s->m.pb = s->reorder_pb[5];
+ mx = motion_ptr[0];
+ my = motion_ptr[1];
+ assert(mx >= -32 && mx <= 31);
+ assert(my >= -32 && my <= 31);
+ assert(pred_x >= -32 && pred_x <= 31);
+ assert(pred_y >= -32 && pred_y <= 31);
ff_h263_encode_motion(&s->m, mx - pred_x, 1);
ff_h263_encode_motion(&s->m, my - pred_y, 1);
- s->reorder_pb[5]= s->m.pb;
- score[1] += lambda*put_bits_count(&s->reorder_pb[5]);
-
- dxy= (mx&1) + 2*(my&1);
-
- s->dsp.put_pixels_tab[0][dxy](temp+16, ref + (mx>>1) + stride*(my>>1), stride, 16);
-
- score[1]+= encode_block(s, src+16*x, temp+16, decoded, stride, 5, 64, lambda, 0);
- best= score[1] <= score[0];
-
- vlc= ff_svq1_block_type_vlc[SVQ1_BLOCK_SKIP];
- score[2]= s->dsp.sse[0](NULL, src+16*x, ref, stride, 16);
- score[2]+= vlc[1]*lambda;
- if(score[2] < score[best] && mx==0 && my==0){
- best=2;
- s->dsp.put_pixels_tab[0][0](decoded, ref, stride, 16);
- for(i=0; i<6; i++){
- count[2][i]=0;
- }
+ s->reorder_pb[5] = s->m.pb;
+ score[1] += lambda * put_bits_count(&s->reorder_pb[5]);
+
+ dxy = (mx & 1) + 2 * (my & 1);
+
+ s->hdsp.put_pixels_tab[0][dxy](temp + 16,
+ ref + (mx >> 1) +
+ stride * (my >> 1),
+ stride, 16);
+
+ score[1] += encode_block(s, src + 16 * x, temp + 16,
+ decoded, stride, 5, 64, lambda, 0);
+ best = score[1] <= score[0];
+
+ vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_SKIP];
+ score[2] = s->mecc.sse[0](NULL, src + 16 * x, ref,
+ stride, 16);
+ score[2] += vlc[1] * lambda;
+ if (score[2] < score[best] && mx == 0 && my == 0) {
+ best = 2;
+ s->hdsp.put_pixels_tab[0][0](decoded, ref, stride, 16);
+ for (i = 0; i < 6; i++)
+ count[2][i] = 0;
put_bits(&s->pb, vlc[1], vlc[0]);
}
}
- if(best==1){
- for(i=0; i<6; i++){
- count[1][i]= put_bits_count(&s->reorder_pb[i]);
+ if (best == 1) {
+ for (i = 0; i < 6; i++) {
+ count[1][i] = put_bits_count(&s->reorder_pb[i]);
flush_put_bits(&s->reorder_pb[i]);
}
- }else{
- motion_ptr[0 ] = motion_ptr[1 ]=
- motion_ptr[2 ] = motion_ptr[3 ]=
- motion_ptr[0+2*s->m.b8_stride] = motion_ptr[1+2*s->m.b8_stride]=
- motion_ptr[2+2*s->m.b8_stride] = motion_ptr[3+2*s->m.b8_stride]=0;
+ } else {
+ motion_ptr[0] =
+ motion_ptr[1] =
+ motion_ptr[2] =
+ motion_ptr[3] =
+ motion_ptr[0 + 2 * s->m.b8_stride] =
+ motion_ptr[1 + 2 * s->m.b8_stride] =
+ motion_ptr[2 + 2 * s->m.b8_stride] =
+ motion_ptr[3 + 2 * s->m.b8_stride] = 0;
}
}
s->rd_total += score[best];
- for(i=5; i>=0; i--){
- ff_copy_bits(&s->pb, reorder_buffer[best][i], count[best][i]);
- }
- if(best==0){
- s->dsp.put_pixels_tab[0][0](decoded, temp, stride, 16);
- }
+ for (i = 5; i >= 0; i--)
+ avpriv_copy_bits(&s->pb, reorder_buffer[best][i],
+ count[best][i]);
+ if (best == 0)
+ s->hdsp.put_pixels_tab[0][0](decoded, temp, stride, 16);
}
- s->m.first_slice_line=0;
+ s->m.first_slice_line = 0;
}
return 0;
}
-static av_cold int svq1_encode_init(AVCodecContext *avctx)
+static av_cold int svq1_encode_end(AVCodecContext *avctx)
{
- SVQ1Context * const s = avctx->priv_data;
+ SVQ1EncContext *const s = avctx->priv_data;
+ int i;
+
+ av_log(avctx, AV_LOG_DEBUG, "RD: %f\n",
+ s->rd_total / (double)(avctx->width * avctx->height *
+ avctx->frame_number));
+
+ s->m.mb_type = NULL;
+ ff_mpv_common_end(&s->m);
- dsputil_init(&s->dsp, avctx);
- avctx->coded_frame= (AVFrame*)&s->picture;
+ av_freep(&s->m.me.scratchpad);
+ av_freep(&s->m.me.map);
+ av_freep(&s->m.me.score_map);
+ av_freep(&s->mb_type);
+ av_freep(&s->dummy);
+ av_freep(&s->scratchbuf);
- s->frame_width = avctx->width;
+ for (i = 0; i < 3; i++) {
+ av_freep(&s->motion_val8[i]);
+ av_freep(&s->motion_val16[i]);
+ }
+
+ av_frame_free(&s->current_picture);
+ av_frame_free(&s->last_picture);
+ av_frame_free(&avctx->coded_frame);
+
+ return 0;
+}
+
+static av_cold int svq1_encode_init(AVCodecContext *avctx)
+{
+ SVQ1EncContext *const s = avctx->priv_data;
+ int ret;
+
+ ff_hpeldsp_init(&s->hdsp, avctx->flags);
+ ff_me_cmp_init(&s->mecc, avctx);
+ ff_mpegvideoencdsp_init(&s->m.mpvencdsp, avctx);
+
+ avctx->coded_frame = av_frame_alloc();
+ s->current_picture = av_frame_alloc();
+ s->last_picture = av_frame_alloc();
+ if (!avctx->coded_frame || !s->current_picture || !s->last_picture) {
+ svq1_encode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
+
+ s->frame_width = avctx->width;
s->frame_height = avctx->height;
- s->y_block_width = (s->frame_width + 15) / 16;
+ s->y_block_width = (s->frame_width + 15) / 16;
s->y_block_height = (s->frame_height + 15) / 16;
- s->c_block_width = (s->frame_width / 4 + 15) / 16;
+ s->c_block_width = (s->frame_width / 4 + 15) / 16;
s->c_block_height = (s->frame_height / 4 + 15) / 16;
- s->avctx= avctx;
- s->m.avctx= avctx;
- s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
- s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
- s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
- s->mb_type = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int16_t));
- s->dummy = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int32_t));
- h263_encode_init(&s->m); //mv_penalty
+ s->avctx = avctx;
+ s->m.avctx = avctx;
+
+ if ((ret = ff_mpv_common_init(&s->m)) < 0) {
+ svq1_encode_end(avctx);
+ return ret;
+ }
+
+ s->m.picture_structure = PICT_FRAME;
+ s->m.me.temp =
+ s->m.me.scratchpad = av_mallocz((avctx->width + 64) *
+ 2 * 16 * 2 * sizeof(uint8_t));
+ s->m.me.map = av_mallocz(ME_MAP_SIZE * sizeof(uint32_t));
+ s->m.me.score_map = av_mallocz(ME_MAP_SIZE * sizeof(uint32_t));
+ s->mb_type = av_mallocz((s->y_block_width + 1) *
+ s->y_block_height * sizeof(int16_t));
+ s->dummy = av_mallocz((s->y_block_width + 1) *
+ s->y_block_height * sizeof(int32_t));
+ s->ssd_int8_vs_int16 = ssd_int8_vs_int16_c;
+
+ if (ARCH_PPC)
+ ff_svq1enc_init_ppc(s);
+ if (ARCH_X86)
+ ff_svq1enc_init_x86(s);
+
+ ff_h263_encode_init(&s->m); // mv_penalty
return 0;
}
-static int svq1_encode_frame(AVCodecContext *avctx, unsigned char *buf,
- int buf_size, void *data)
+static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pict, int *got_packet)
{
- SVQ1Context * const s = avctx->priv_data;
- AVFrame *pict = data;
- AVFrame * const p= (AVFrame*)&s->picture;
- AVFrame temp;
- int i;
+ SVQ1EncContext *const s = avctx->priv_data;
+ AVFrame *const p = avctx->coded_frame;
+ int i, ret;
+
+ if (!pkt->data &&
+ (ret = av_new_packet(pkt, s->y_block_width * s->y_block_height *
+ MAX_MB_BYTES * 3 + FF_MIN_BUFFER_SIZE)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
- if(avctx->pix_fmt != PIX_FMT_YUV410P){
+ if (avctx->pix_fmt != AV_PIX_FMT_YUV410P) {
av_log(avctx, AV_LOG_ERROR, "unsupported pixel format\n");
return -1;
}
- if(!s->current_picture.data[0]){
- avctx->get_buffer(avctx, &s->current_picture);
- avctx->get_buffer(avctx, &s->last_picture);
+ if (!s->current_picture->data[0]) {
+ ff_get_buffer(avctx, s->current_picture, 0);
+ ff_get_buffer(avctx, s->last_picture, 0);
+ s->scratchbuf = av_malloc(s->current_picture->linesize[0] * 16 * 2);
}
- temp= s->current_picture;
- s->current_picture= s->last_picture;
- s->last_picture= temp;
+ FFSWAP(AVFrame*, s->current_picture, s->last_picture);
- init_put_bits(&s->pb, buf, buf_size);
+ init_put_bits(&s->pb, pkt->data, pkt->size);
- *p = *pict;
- p->pict_type = avctx->gop_size && avctx->frame_number % avctx->gop_size ? FF_P_TYPE : FF_I_TYPE;
- p->key_frame = p->pict_type == FF_I_TYPE;
+ p->pict_type = avctx->gop_size && avctx->frame_number % avctx->gop_size ?
+ AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
+ p->key_frame = p->pict_type == AV_PICTURE_TYPE_I;
+ p->quality = pict->quality;
svq1_write_header(s, p->pict_type);
- for(i=0; i<3; i++){
- if(svq1_encode_plane(s, i,
- s->picture.data[i], s->last_picture.data[i], s->current_picture.data[i],
- s->frame_width / (i?4:1), s->frame_height / (i?4:1),
- s->picture.linesize[i], s->current_picture.linesize[i]) < 0)
- return -1;
- }
-
-// align_put_bits(&s->pb);
- while(put_bits_count(&s->pb) & 31)
+ for (i = 0; i < 3; i++)
+ if (svq1_encode_plane(s, i,
+ pict->data[i],
+ s->last_picture->data[i],
+ s->current_picture->data[i],
+ s->frame_width / (i ? 4 : 1),
+ s->frame_height / (i ? 4 : 1),
+ pict->linesize[i],
+ s->current_picture->linesize[i]) < 0)
+ return -1;
+
+ // avpriv_align_put_bits(&s->pb);
+ while (put_bits_count(&s->pb) & 31)
put_bits(&s->pb, 1, 0);
flush_put_bits(&s->pb);
- return put_bits_count(&s->pb) / 8;
-}
-
-static av_cold int svq1_encode_end(AVCodecContext *avctx)
-{
- SVQ1Context * const s = avctx->priv_data;
- int i;
-
- av_log(avctx, AV_LOG_DEBUG, "RD: %f\n", s->rd_total/(double)(avctx->width*avctx->height*avctx->frame_number));
-
- av_freep(&s->m.me.scratchpad);
- av_freep(&s->m.me.map);
- av_freep(&s->m.me.score_map);
- av_freep(&s->mb_type);
- av_freep(&s->dummy);
-
- for(i=0; i<3; i++){
- av_freep(&s->motion_val8[i]);
- av_freep(&s->motion_val16[i]);
- }
+ pkt->size = put_bits_count(&s->pb) / 8;
+ if (p->pict_type == AV_PICTURE_TYPE_I)
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
return 0;
}
-
-AVCodec svq1_encoder = {
- "svq1",
- CODEC_TYPE_VIDEO,
- CODEC_ID_SVQ1,
- sizeof(SVQ1Context),
- svq1_encode_init,
- svq1_encode_frame,
- svq1_encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV410P, -1},
- .long_name= "Sorenson Vector Quantizer 1",
+AVCodec ff_svq1_encoder = {
+ .name = "svq1",
+ .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_SVQ1,
+ .priv_data_size = sizeof(SVQ1EncContext),
+ .init = svq1_encode_init,
+ .encode2 = svq1_encode_frame,
+ .close = svq1_encode_end,
+ .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV410P,
+ AV_PIX_FMT_NONE },
};