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ffmpeg.wasm-core
Commit 9342ecf0 authored by Aneesh Dogra's avatar Aneesh Dogra Committed by Ronald S. Bultje
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mpegvideo_enc: K&R cosmetics (line 1000-2000). 

Signed-off-by: 's avatarRonald S. Bultje <rsbultje@gmail.com>
parent 7636c8c6
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Showing with 531 additions and 394 deletions
libavcodec/mpegvideo_enc.c
View file @ 9342ecf0
......@@ -1099,7 +1099,7 @@ static int skip_check(MpegEncContext *s, Picture *p, Picture *ref)
static int estimate_best_b_count(MpegEncContext *s)
{
AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
AVCodecContext *c = avcodec_alloc_context3(NULL);
AVFrame input[FF_MAX_B_FRAMES + 2];
const int scale = s->avctx->brd_scale;
......@@ -1137,21 +1137,22 @@ static int estimate_best_b_count(MpegEncContext *s)
if (avcodec_open2(c, codec, NULL) < 0)
return -1;
for(i=0; i<s->max_b_frames+2; i++){
int ysize= c->width*c->height;
int csize= (c->width/2)*(c->height/2);
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
for (i = 0; i < s->max_b_frames + 2; i++) {
int ysize = c->width * c->height;
int csize = (c->width / 2) * (c->height / 2);
Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :
s->next_picture_ptr;
avcodec_get_frame_defaults(&input[i]);
input[i].data[0]= av_malloc(ysize + 2*csize);
input[i].data[1]= input[i].data[0] + ysize;
input[i].data[2]= input[i].data[1] + csize;
input[i].linesize[0]= c->width;
input[i].linesize[1]=
input[i].linesize[2]= c->width/2;
input[i].data[0] = av_malloc(ysize + 2 * csize);
input[i].data[1] = input[i].data[0] + ysize;
input[i].data[2] = input[i].data[1] + csize;
input[i].linesize[0] = c->width;
input[i].linesize[1] =
input[i].linesize[2] = c->width / 2;
if(pre_input_ptr && (!i || s->input_picture[i-1])) {
pre_input= *pre_input_ptr;
if (pre_input_ptr && (!i || s->input_picture[i - 1])) {
pre_input = *pre_input_ptr;
if (pre_input.f.type != FF_BUFFER_TYPE_SHARED && i) {
pre_input.f.data[0] += INPLACE_OFFSET;
......@@ -1159,45 +1160,54 @@ static int estimate_best_b_count(MpegEncContext *s)
pre_input.f.data[2] += INPLACE_OFFSET;
}
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.f.data[0], pre_input.f.linesize[0], c->width, c->height);
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.f.data[1], pre_input.f.linesize[1], c->width >> 1, c->height >> 1);
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.f.data[2], pre_input.f.linesize[2], c->width >> 1, c->height >> 1);
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0],
pre_input.f.data[0], pre_input.f.linesize[0],
c->width, c->height);
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1],
pre_input.f.data[1], pre_input.f.linesize[1],
c->width >> 1, c->height >> 1);
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2],
pre_input.f.data[2], pre_input.f.linesize[2],
c->width >> 1, c->height >> 1);
}
}
for(j=0; j<s->max_b_frames+1; j++){
int64_t rd=0;
for (j = 0; j < s->max_b_frames + 1; j++) {
int64_t rd = 0;
if(!s->input_picture[j])
if (!s->input_picture[j])
break;
c->error[0]= c->error[1]= c->error[2]= 0;
c->error[0] = c->error[1] = c->error[2] = 0;
input[0].pict_type= AV_PICTURE_TYPE_I;
input[0].quality= 1 * FF_QP2LAMBDA;
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[0]);
// rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
input[0].pict_type = AV_PICTURE_TYPE_I;
input[0].quality = 1 * FF_QP2LAMBDA;
out_size = avcodec_encode_video(c, outbuf,
outbuf_size, &input[0]);
//rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
for(i=0; i<s->max_b_frames+1; i++){
int is_p= i % (j+1) == j || i==s->max_b_frames;
for (i = 0; i < s->max_b_frames + 1; i++) {
int is_p = i % (j + 1) == j || i == s->max_b_frames;
input[i+1].pict_type= is_p ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
input[i+1].quality= is_p ? p_lambda : b_lambda;
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
input[i + 1].pict_type = is_p ?
AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
input[i + 1].quality = is_p ? p_lambda : b_lambda;
out_size = avcodec_encode_video(c, outbuf, outbuf_size,
&input[i + 1]);
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
}
/* get the delayed frames */
while(out_size){
while (out_size) {
out_size = avcodec_encode_video(c, outbuf, outbuf_size, NULL);
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
}
rd += c->error[0] + c->error[1] + c->error[2];
if(rd < best_rd){
best_rd= rd;
best_b_count= j;
if (rd < best_rd) {
best_rd = rd;
best_b_count = j;
}
}
......@@ -1205,43 +1215,50 @@ static int estimate_best_b_count(MpegEncContext *s)
avcodec_close(c);
av_freep(&c);
for(i=0; i<s->max_b_frames+2; i++){
for (i = 0; i < s->max_b_frames + 2; i++) {
av_freep(&input[i].data[0]);
}
return best_b_count;
}
static int select_input_picture(MpegEncContext *s){
static int select_input_picture(MpegEncContext *s)
{
int i;
for(i=1; i<MAX_PICTURE_COUNT; i++)
s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
for (i = 1; i < MAX_PICTURE_COUNT; i++)
s->reordered_input_picture[i - 1] = s->reordered_input_picture[i];
s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL;
/* set next picture type & ordering */
if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
s->reordered_input_picture[0]= s->input_picture[0];
if (s->reordered_input_picture[0] == NULL && s->input_picture[0]) {
if (/*s->picture_in_gop_number >= s->gop_size ||*/
s->next_picture_ptr == NULL || s->intra_only) {
s->reordered_input_picture[0] = s->input_picture[0];
s->reordered_input_picture[0]->f.pict_type = AV_PICTURE_TYPE_I;
s->reordered_input_picture[0]->f.coded_picture_number = s->coded_picture_number++;
}else{
s->reordered_input_picture[0]->f.coded_picture_number =
s->coded_picture_number++;
} else {
int b_frames;
if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
//FIXME check that te gop check above is +-1 correct
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->f.data[0], s->input_picture[0]->pts);
if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) {
if (s->picture_in_gop_number < s->gop_size &&
skip_check(s, s->input_picture[0], s->next_picture_ptr)) {
// FIXME check that te gop check above is +-1 correct
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n",
// s->input_picture[0]->f.data[0],
// s->input_picture[0]->pts);
if (s->input_picture[0]->f.type == FF_BUFFER_TYPE_SHARED) {
for(i=0; i<4; i++)
for (i = 0; i < 4; i++)
s->input_picture[0]->f.data[i] = NULL;
s->input_picture[0]->f.type = 0;
}else{
assert( s->input_picture[0]->f.type == FF_BUFFER_TYPE_USER
|| s->input_picture[0]->f.type == FF_BUFFER_TYPE_INTERNAL);
} else {
assert(s->input_picture[0]->f.type == FF_BUFFER_TYPE_USER ||
s->input_picture[0]->f.type == FF_BUFFER_TYPE_INTERNAL);
s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
s->avctx->release_buffer(s->avctx,
(AVFrame *) s->input_picture[0]);
}
emms_c();
......@@ -1251,14 +1268,14 @@ static int select_input_picture(MpegEncContext *s){
}
}
if(s->flags&CODEC_FLAG_PASS2){
for(i=0; i<s->max_b_frames+1; i++){
if (s->flags & CODEC_FLAG_PASS2) {
for (i = 0; i < s->max_b_frames + 1; i++) {
int pict_num = s->input_picture[0]->f.display_picture_number + i;
if(pict_num >= s->rc_context.num_entries)
if (pict_num >= s->rc_context.num_entries)
break;
if(!s->input_picture[i]){
s->rc_context.entry[pict_num-1].new_pict_type = AV_PICTURE_TYPE_P;
if (!s->input_picture[i]) {
s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P;
break;
}
......@@ -1267,121 +1284,141 @@ static int select_input_picture(MpegEncContext *s){
}
}
if(s->avctx->b_frame_strategy==0){
b_frames= s->max_b_frames;
while(b_frames && !s->input_picture[b_frames]) b_frames--;
}else if(s->avctx->b_frame_strategy==1){
for(i=1; i<s->max_b_frames+1; i++){
if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
s->input_picture[i]->b_frame_score=
get_intra_count(s, s->input_picture[i ]->f.data[0],
s->input_picture[i-1]->f.data[0], s->linesize) + 1;
if (s->avctx->b_frame_strategy == 0) {
b_frames = s->max_b_frames;
while (b_frames && !s->input_picture[b_frames])
b_frames--;
} else if (s->avctx->b_frame_strategy == 1) {
for (i = 1; i < s->max_b_frames + 1; i++) {
if (s->input_picture[i] &&
s->input_picture[i]->b_frame_score == 0) {
s->input_picture[i]->b_frame_score =
get_intra_count(s,
s->input_picture[i ]->f.data[0],
s->input_picture[i - 1]->f.data[0],
s->linesize) + 1;
}
}
for(i=0; i<s->max_b_frames+1; i++){
if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/s->avctx->b_sensitivity) break;
for (i = 0; i < s->max_b_frames + 1; i++) {
if (s->input_picture[i] == NULL ||
s->input_picture[i]->b_frame_score - 1 >
s->mb_num / s->avctx->b_sensitivity)
break;
}
b_frames= FFMAX(0, i-1);
b_frames = FFMAX(0, i - 1);
/* reset scores */
for(i=0; i<b_frames+1; i++){
s->input_picture[i]->b_frame_score=0;
for (i = 0; i < b_frames + 1; i++) {
s->input_picture[i]->b_frame_score = 0;
}
}else if(s->avctx->b_frame_strategy==2){
b_frames= estimate_best_b_count(s);
}else{
} else if (s->avctx->b_frame_strategy == 2) {
b_frames = estimate_best_b_count(s);
} else {
av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
b_frames=0;
b_frames = 0;
}
emms_c();
//static int b_count=0;
//b_count+= b_frames;
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
//static int b_count = 0;
//b_count += b_frames;
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
for(i= b_frames - 1; i>=0; i--){
for (i = b_frames - 1; i >= 0; i--) {
int type = s->input_picture[i]->f.pict_type;
if(type && type != AV_PICTURE_TYPE_B)
b_frames= i;
if (type && type != AV_PICTURE_TYPE_B)
b_frames = i;
}
if (s->input_picture[b_frames]->f.pict_type == AV_PICTURE_TYPE_B && b_frames == s->max_b_frames){
av_log(s->avctx, AV_LOG_ERROR, "warning, too many b frames in a row\n");
if (s->input_picture[b_frames]->f.pict_type == AV_PICTURE_TYPE_B &&
b_frames == s->max_b_frames) {
av_log(s->avctx, AV_LOG_ERROR,
"warning, too many b frames in a row\n");
}
if(s->picture_in_gop_number + b_frames >= s->gop_size){
if((s->flags2 & CODEC_FLAG2_STRICT_GOP) && s->gop_size > s->picture_in_gop_number){
b_frames= s->gop_size - s->picture_in_gop_number - 1;
}else{
if(s->flags & CODEC_FLAG_CLOSED_GOP)
b_frames=0;
s->input_picture[b_frames]->f.pict_type = AV_PICTURE_TYPE_I;
}
if (s->picture_in_gop_number + b_frames >= s->gop_size) {
if ((s->flags2 & CODEC_FLAG2_STRICT_GOP) &&
s->gop_size > s->picture_in_gop_number) {
b_frames = s->gop_size - s->picture_in_gop_number - 1;
} else {
if (s->flags & CODEC_FLAG_CLOSED_GOP)
b_frames = 0;
s->input_picture[b_frames]->f.pict_type = AV_PICTURE_TYPE_I;
}
}
if( (s->flags & CODEC_FLAG_CLOSED_GOP)
&& b_frames
&& s->input_picture[b_frames]->f.pict_type== AV_PICTURE_TYPE_I)
if ((s->flags & CODEC_FLAG_CLOSED_GOP) && b_frames &&
s->input_picture[b_frames]->f.pict_type == AV_PICTURE_TYPE_I)
b_frames--;
s->reordered_input_picture[0]= s->input_picture[b_frames];
s->reordered_input_picture[0] = s->input_picture[b_frames];
if (s->reordered_input_picture[0]->f.pict_type != AV_PICTURE_TYPE_I)
s->reordered_input_picture[0]->f.pict_type = AV_PICTURE_TYPE_P;
s->reordered_input_picture[0]->f.coded_picture_number = s->coded_picture_number++;
for(i=0; i<b_frames; i++){
s->reordered_input_picture[0]->f.coded_picture_number =
s->coded_picture_number++;
for (i = 0; i < b_frames; i++) {
s->reordered_input_picture[i + 1] = s->input_picture[i];
s->reordered_input_picture[i + 1]->f.pict_type = AV_PICTURE_TYPE_B;
s->reordered_input_picture[i + 1]->f.coded_picture_number = s->coded_picture_number++;
s->reordered_input_picture[i + 1]->f.pict_type =
AV_PICTURE_TYPE_B;
s->reordered_input_picture[i + 1]->f.coded_picture_number =
s->coded_picture_number++;
}
}
}
no_output_pic:
if(s->reordered_input_picture[0]){
s->reordered_input_picture[0]->f.reference = s->reordered_input_picture[0]->f.pict_type!=AV_PICTURE_TYPE_B ? 3 : 0;
if (s->reordered_input_picture[0]) {
s->reordered_input_picture[0]->f.reference =
s->reordered_input_picture[0]->f.pict_type !=
AV_PICTURE_TYPE_B ? 3 : 0;
ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
if (s->reordered_input_picture[0]->f.type == FF_BUFFER_TYPE_SHARED || s->avctx->rc_buffer_size) {
// input is a shared pix, so we can't modifiy it -> alloc a new one & ensure that the shared one is reuseable
if (s->reordered_input_picture[0]->f.type == FF_BUFFER_TYPE_SHARED ||
s->avctx->rc_buffer_size) {
// input is a shared pix, so we can't modifiy it -> alloc a new
// one & ensure that the shared one is reuseable
Picture *pic;
int i= ff_find_unused_picture(s, 0);
int i = ff_find_unused_picture(s, 0);
if (i < 0)
return i;
pic = &s->picture[i];
pic->f.reference = s->reordered_input_picture[0]->f.reference;
if(ff_alloc_picture(s, pic, 0) < 0){
if (ff_alloc_picture(s, pic, 0) < 0) {
return -1;
}
/* mark us unused / free shared pic */
if (s->reordered_input_picture[0]->f.type == FF_BUFFER_TYPE_INTERNAL)
s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
for(i=0; i<4; i++)
s->avctx->release_buffer(s->avctx,
(AVFrame *) s->reordered_input_picture[0]);
for (i = 0; i < 4; i++)
s->reordered_input_picture[0]->f.data[i] = NULL;
s->reordered_input_picture[0]->f.type = 0;
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
copy_picture_attributes(s, (AVFrame *) pic,
(AVFrame *) s->reordered_input_picture[0]);
s->current_picture_ptr= pic;
}else{
s->current_picture_ptr = pic;
} else {
// input is not a shared pix -> reuse buffer for current_pix
assert( s->reordered_input_picture[0]->f.type == FF_BUFFER_TYPE_USER
|| s->reordered_input_picture[0]->f.type == FF_BUFFER_TYPE_INTERNAL);
assert(s->reordered_input_picture[0]->f.type ==
FF_BUFFER_TYPE_USER ||
s->reordered_input_picture[0]->f.type ==
FF_BUFFER_TYPE_INTERNAL);
s->current_picture_ptr= s->reordered_input_picture[0];
for(i=0; i<4; i++){
s->current_picture_ptr = s->reordered_input_picture[0];
for (i = 0; i < 4; i++) {
s->new_picture.f.data[i] += INPLACE_OFFSET;
}
}
ff_copy_picture(&s->current_picture, s->current_picture_ptr);
s->picture_number = s->new_picture.f.display_picture_number;
//printf("dpn:%d\n", s->picture_number);
}else{
memset(&s->new_picture, 0, sizeof(Picture));
//printf("dpn:%d\n", s->picture_number);
} else {
memset(&s->new_picture, 0, sizeof(Picture));
}
return 0;
}
......@@ -1390,33 +1427,34 @@ int MPV_encode_picture(AVCodecContext *avctx,
unsigned char *buf, int buf_size, void *data)
{
MpegEncContext *s = avctx->priv_data;
AVFrame *pic_arg = data;
AVFrame *pic_arg = data;
int i, stuffing_count, context_count = avctx->thread_count;
for(i=0; i<context_count; i++){
int start_y= s->thread_context[i]->start_mb_y;
int end_y= s->thread_context[i]-> end_mb_y;
int h= s->mb_height;
uint8_t *start= buf + (size_t)(((int64_t) buf_size)*start_y/h);
uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
for (i = 0; i < context_count; i++) {
int start_y = s->thread_context[i]->start_mb_y;
int end_y = s->thread_context[i]-> end_mb_y;
int h = s->mb_height;
uint8_t *start = buf + (size_t)(((int64_t) buf_size) * start_y / h);
uint8_t *end = buf + (size_t)(((int64_t) buf_size) * end_y / h);
init_put_bits(&s->thread_context[i]->pb, start, end - start);
}
s->picture_in_gop_number++;
if(load_input_picture(s, pic_arg) < 0)
if (load_input_picture(s, pic_arg) < 0)
return -1;
if(select_input_picture(s) < 0){
if (select_input_picture(s) < 0) {
return -1;
}
/* output? */
if (s->new_picture.f.data[0]) {
s->pict_type = s->new_picture.f.pict_type;
//emms_c();
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
//emms_c();
//printf("qs:%f %f %d\n", s->new_picture.quality,
// s->current_picture.quality, s->qscale);
MPV_frame_start(s, avctx);
vbv_retry:
if (encode_picture(s, s->picture_number) < 0)
......@@ -1428,7 +1466,8 @@ vbv_retry:
avctx->i_tex_bits = s->i_tex_bits;
avctx->p_tex_bits = s->p_tex_bits;
avctx->i_count = s->i_count;
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
// FIXME f/b_count in avctx
avctx->p_count = s->mb_num - s->i_count - s->skip_count;
avctx->skip_count = s->skip_count;
MPV_frame_end(s);
......@@ -1436,29 +1475,37 @@ vbv_retry:
if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
ff_mjpeg_encode_picture_trailer(s);
if(avctx->rc_buffer_size){
RateControlContext *rcc= &s->rc_context;
int max_size= rcc->buffer_index * avctx->rc_max_available_vbv_use;
if (avctx->rc_buffer_size) {
RateControlContext *rcc = &s->rc_context;
int max_size = rcc->buffer_index * avctx->rc_max_available_vbv_use;
if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){
s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale);
if(s->adaptive_quant){
if (put_bits_count(&s->pb) > max_size &&
s->lambda < s->avctx->lmax) {
s->next_lambda = FFMAX(s->lambda + 1, s->lambda *
(s->qscale + 1) / s->qscale);
if (s->adaptive_quant) {
int i;
for(i=0; i<s->mb_height*s->mb_stride; i++)
s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale);
for (i = 0; i < s->mb_height * s->mb_stride; i++)
s->lambda_table[i] =
FFMAX(s->lambda_table[i] + 1,
s->lambda_table[i] * (s->qscale + 1) /
s->qscale);
}
s->mb_skipped = 0; //done in MPV_frame_start()
if(s->pict_type==AV_PICTURE_TYPE_P){ //done in encode_picture() so we must undo it
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
s->mb_skipped = 0; // done in MPV_frame_start()
// done in encode_picture() so we must undo it
if (s->pict_type == AV_PICTURE_TYPE_P) {
if (s->flipflop_rounding ||
s->codec_id == CODEC_ID_H263P ||
s->codec_id == CODEC_ID_MPEG4)
s->no_rounding ^= 1;
}
if(s->pict_type!=AV_PICTURE_TYPE_B){
s->time_base= s->last_time_base;
s->last_non_b_time= s->time - s->pp_time;
if (s->pict_type != AV_PICTURE_TYPE_B) {
s->time_base = s->last_time_base;
s->last_non_b_time = s->time - s->pp_time;
}
// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
for(i=0; i<context_count; i++){
PutBitContext *pb= &s->thread_context[i]->pb;
//av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
for (i = 0; i < context_count; i++) {
PutBitContext *pb = &s->thread_context[i]->pb;
init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
}
goto vbv_retry;
......@@ -1467,30 +1514,33 @@ vbv_retry:
assert(s->avctx->rc_max_rate);
}
if(s->flags&CODEC_FLAG_PASS1)
if (s->flags & CODEC_FLAG_PASS1)
ff_write_pass1_stats(s);
for(i=0; i<4; i++){
s->current_picture_ptr->f.error[i] = s->current_picture.f.error[i];
avctx->error[i] += s->current_picture_ptr->f.error[i];
for (i = 0; i < 4; i++) {
s->current_picture_ptr->f.error[i] = s->current_picture.f.error[i];
avctx->error[i] += s->current_picture_ptr->f.error[i];
}
if(s->flags&CODEC_FLAG_PASS1)
assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + avctx->i_tex_bits + avctx->p_tex_bits == put_bits_count(&s->pb));
if (s->flags & CODEC_FLAG_PASS1)
assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits +
avctx->i_tex_bits + avctx->p_tex_bits ==
put_bits_count(&s->pb));
flush_put_bits(&s->pb);
s->frame_bits = put_bits_count(&s->pb);
stuffing_count= ff_vbv_update(s, s->frame_bits);
if(stuffing_count){
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < stuffing_count + 50){
stuffing_count = ff_vbv_update(s, s->frame_bits);
if (stuffing_count) {
if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
stuffing_count + 50) {
av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
return -1;
}
switch(s->codec_id){
switch (s->codec_id) {
case CODEC_ID_MPEG1VIDEO:
case CODEC_ID_MPEG2VIDEO:
while(stuffing_count--){
while (stuffing_count--) {
put_bits(&s->pb, 8, 0);
}
break;
......@@ -1498,7 +1548,7 @@ vbv_retry:
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, 0x1C3);
stuffing_count -= 4;
while(stuffing_count--){
while (stuffing_count--) {
put_bits(&s->pb, 8, 0xFF);
}
break;
......@@ -1510,245 +1560,281 @@ vbv_retry:
}
/* update mpeg1/2 vbv_delay for CBR */
if(s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate && s->out_format == FMT_MPEG1
&& 90000LL * (avctx->rc_buffer_size-1) <= s->avctx->rc_max_rate*0xFFFFLL){
if (s->avctx->rc_max_rate &&
s->avctx->rc_min_rate == s->avctx->rc_max_rate &&
s->out_format == FMT_MPEG1 &&
90000LL * (avctx->rc_buffer_size - 1) <=
s->avctx->rc_max_rate * 0xFFFFLL) {
int vbv_delay, min_delay;
double inbits = s->avctx->rc_max_rate*av_q2d(s->avctx->time_base);
int minbits= s->frame_bits - 8*(s->vbv_delay_ptr - s->pb.buf - 1);
double bits = s->rc_context.buffer_index + minbits - inbits;
double inbits = s->avctx->rc_max_rate *
av_q2d(s->avctx->time_base);
int minbits = s->frame_bits - 8 *
(s->vbv_delay_ptr - s->pb.buf - 1);
double bits = s->rc_context.buffer_index + minbits - inbits;
if(bits<0)
av_log(s->avctx, AV_LOG_ERROR, "Internal error, negative bits\n");
if (bits < 0)
av_log(s->avctx, AV_LOG_ERROR,
"Internal error, negative bits\n");
assert(s->repeat_first_field==0);
assert(s->repeat_first_field == 0);
vbv_delay= bits * 90000 / s->avctx->rc_max_rate;
min_delay= (minbits * 90000LL + s->avctx->rc_max_rate - 1)/ s->avctx->rc_max_rate;
vbv_delay = bits * 90000 / s->avctx->rc_max_rate;
min_delay = (minbits * 90000LL + s->avctx->rc_max_rate - 1) /
s->avctx->rc_max_rate;
vbv_delay= FFMAX(vbv_delay, min_delay);
vbv_delay = FFMAX(vbv_delay, min_delay);
assert(vbv_delay < 0xFFFF);
s->vbv_delay_ptr[0] &= 0xF8;
s->vbv_delay_ptr[0] |= vbv_delay>>13;
s->vbv_delay_ptr[1] = vbv_delay>>5;
s->vbv_delay_ptr[0] |= vbv_delay >> 13;
s->vbv_delay_ptr[1] = vbv_delay >> 5;
s->vbv_delay_ptr[2] &= 0x07;
s->vbv_delay_ptr[2] |= vbv_delay<<3;
avctx->vbv_delay = vbv_delay*300;
s->vbv_delay_ptr[2] |= vbv_delay << 3;
avctx->vbv_delay = vbv_delay * 300;
}
s->total_bits += s->frame_bits;
s->total_bits += s->frame_bits;
avctx->frame_bits = s->frame_bits;
}else{
} else {
assert((put_bits_ptr(&s->pb) == s->pb.buf));
s->frame_bits=0;
s->frame_bits = 0;
}
assert((s->frame_bits&7)==0);
assert((s->frame_bits & 7) == 0);
return s->frame_bits/8;
return s->frame_bits / 8;
}
static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
static inline void dct_single_coeff_elimination(MpegEncContext *s,
int n, int threshold)
{
static const char tab[64]=
{3,2,2,1,1,1,1,1,
1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0};
int score=0;
int run=0;
static const char tab[64] = {
3, 2, 2, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
int score = 0;
int run = 0;
int i;
DCTELEM *block= s->block[n];
const int last_index= s->block_last_index[n];
DCTELEM *block = s->block[n];
const int last_index = s->block_last_index[n];
int skip_dc;
if(threshold<0){
skip_dc=0;
threshold= -threshold;
}else
skip_dc=1;
if (threshold < 0) {
skip_dc = 0;
threshold = -threshold;
} else
skip_dc = 1;
/* Are all we could set to zero already zero? */
if(last_index<=skip_dc - 1) return;
if (last_index <= skip_dc - 1)
return;
for(i=0; i<=last_index; i++){
for (i = 0; i <= last_index; i++) {
const int j = s->intra_scantable.permutated[i];
const int level = FFABS(block[j]);
if(level==1){
if(skip_dc && i==0) continue;
score+= tab[run];
run=0;
}else if(level>1){
if (level == 1) {
if (skip_dc && i == 0)
continue;
score += tab[run];
run = 0;
} else if (level > 1) {
return;
}else{
} else {
run++;
}
}
if(score >= threshold) return;
for(i=skip_dc; i<=last_index; i++){
if (score >= threshold)
return;
for (i = skip_dc; i <= last_index; i++) {
const int j = s->intra_scantable.permutated[i];
block[j]=0;
block[j] = 0;
}
if(block[0]) s->block_last_index[n]= 0;
else s->block_last_index[n]= -1;
if (block[0])
s->block_last_index[n] = 0;
else
s->block_last_index[n] = -1;
}
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block,
int last_index)
{
int i;
const int maxlevel= s->max_qcoeff;
const int minlevel= s->min_qcoeff;
int overflow=0;
const int maxlevel = s->max_qcoeff;
const int minlevel = s->min_qcoeff;
int overflow = 0;
if(s->mb_intra){
i=1; //skip clipping of intra dc
}else
i=0;
if (s->mb_intra) {
i = 1; // skip clipping of intra dc
} else
i = 0;
for(;i<=last_index; i++){
const int j= s->intra_scantable.permutated[i];
for (; i <= last_index; i++) {
const int j = s->intra_scantable.permutated[i];
int level = block[j];
if (level>maxlevel){
level=maxlevel;
if (level > maxlevel) {
level = maxlevel;
overflow++;
}else if(level<minlevel){
level=minlevel;
} else if (level < minlevel) {
level = minlevel;
overflow++;
}
block[j]= level;
block[j] = level;
}
if(overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
av_log(s->avctx, AV_LOG_INFO, "warning, clipping %d dct coefficients to %d..%d\n", overflow, minlevel, maxlevel);
if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
av_log(s->avctx, AV_LOG_INFO,
"warning, clipping %d dct coefficients to %d..%d\n",
overflow, minlevel, maxlevel);
}
static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride){
static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride)
{
int x, y;
//FIXME optimize
for(y=0; y<8; y++){
for(x=0; x<8; x++){
// FIXME optimize
for (y = 0; y < 8; y++) {
for (x = 0; x < 8; x++) {
int x2, y2;
int sum=0;
int sqr=0;
int count=0;
int sum = 0;
int sqr = 0;
int count = 0;
for(y2= FFMAX(y-1, 0); y2 < FFMIN(8, y+2); y2++){
for(x2= FFMAX(x-1, 0); x2 < FFMIN(8, x+2); x2++){
int v= ptr[x2 + y2*stride];
for (y2 = FFMAX(y - 1, 0); y2 < FFMIN(8, y + 2); y2++) {
for (x2= FFMAX(x - 1, 0); x2 < FFMIN(8, x + 2); x2++) {
int v = ptr[x2 + y2 * stride];
sum += v;
sqr += v*v;
sqr += v * v;
count++;
}
}
weight[x + 8*y]= (36*ff_sqrt(count*sqr - sum*sum)) / count;
weight[x + 8 * y]= (36 * ff_sqrt(count * sqr - sum * sum)) / count;
}
}
}
static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
static av_always_inline void encode_mb_internal(MpegEncContext *s,
int motion_x, int motion_y,
int mb_block_height,
int mb_block_count)
{
int16_t weight[8][64];
DCTELEM orig[8][64];
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
const int mb_x = s->mb_x;
const int mb_y = s->mb_y;
int i;
int skip_dct[8];
int dct_offset = s->linesize*8; //default for progressive frames
int dct_offset = s->linesize * 8; // default for progressive frames
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
int wrap_y, wrap_c;
for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
for (i = 0; i < mb_block_count; i++)
skip_dct[i] = s->skipdct;
if(s->adaptive_quant){
const int last_qp= s->qscale;
const int mb_xy= mb_x + mb_y*s->mb_stride;
if (s->adaptive_quant) {
const int last_qp = s->qscale;
const int mb_xy = mb_x + mb_y * s->mb_stride;
s->lambda= s->lambda_table[mb_xy];
s->lambda = s->lambda_table[mb_xy];
update_qscale(s);
if(!(s->flags&CODEC_FLAG_QP_RD)){
if (!(s->flags & CODEC_FLAG_QP_RD)) {
s->qscale = s->current_picture_ptr->f.qscale_table[mb_xy];
s->dquant= s->qscale - last_qp;
s->dquant = s->qscale - last_qp;
if(s->out_format==FMT_H263){
s->dquant= av_clip(s->dquant, -2, 2);
if (s->out_format == FMT_H263) {
s->dquant = av_clip(s->dquant, -2, 2);
if(s->codec_id==CODEC_ID_MPEG4){
if(!s->mb_intra){
if(s->pict_type == AV_PICTURE_TYPE_B){
if(s->dquant&1 || s->mv_dir&MV_DIRECT)
s->dquant= 0;
if (s->codec_id == CODEC_ID_MPEG4) {
if (!s->mb_intra) {
if (s->pict_type == AV_PICTURE_TYPE_B) {
if (s->dquant & 1 || s->mv_dir & MV_DIRECT)
s->dquant = 0;
}
if(s->mv_type==MV_TYPE_8X8)
s->dquant=0;
if (s->mv_type == MV_TYPE_8X8)
s->dquant = 0;
}
}
}
}
ff_set_qscale(s, last_qp + s->dquant);
}else if(s->flags&CODEC_FLAG_QP_RD)
} else if (s->flags & CODEC_FLAG_QP_RD)
ff_set_qscale(s, s->qscale + s->dquant);
wrap_y = s->linesize;
wrap_c = s->uvlinesize;
ptr_y = s->new_picture.f.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
ptr_cb = s->new_picture.f.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
ptr_cr = s->new_picture.f.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
uint8_t *ebuf= s->edge_emu_buffer + 32;
s->dsp.emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
ptr_y= ebuf;
s->dsp.emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cb= ebuf+18*wrap_y;
s->dsp.emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cr= ebuf+18*wrap_y+8;
ptr_y = s->new_picture.f.data[0] +
(mb_y * 16 * wrap_y) + mb_x * 16;
ptr_cb = s->new_picture.f.data[1] +
(mb_y * mb_block_height * wrap_c) + mb_x * 8;
ptr_cr = s->new_picture.f.data[2] +
(mb_y * mb_block_height * wrap_c) + mb_x * 8;
if (mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) {
uint8_t *ebuf = s->edge_emu_buffer + 32;
s->dsp.emulated_edge_mc(ebuf, ptr_y, wrap_y, 16, 16, mb_x * 16,
mb_y * 16, s->width, s->height);
ptr_y = ebuf;
s->dsp.emulated_edge_mc(ebuf + 18 * wrap_y, ptr_cb, wrap_c, 8,
mb_block_height, mb_x * 8, mb_y * 8,
s->width >> 1, s->height >> 1);
ptr_cb = ebuf + 18 * wrap_y;
s->dsp.emulated_edge_mc(ebuf + 18 * wrap_y + 8, ptr_cr, wrap_c, 8,
mb_block_height, mb_x * 8, mb_y * 8,
s->width >> 1, s->height >> 1);
ptr_cr = ebuf + 18 * wrap_y + 8;
}
if (s->mb_intra) {
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
if(progressive_score > 0){
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
s->interlaced_dct = 0;
progressive_score = s->dsp.ildct_cmp[4](s, ptr_y,
NULL, wrap_y, 8) +
s->dsp.ildct_cmp[4](s, ptr_y + wrap_y * 8,
NULL, wrap_y, 8) - 400;
if (progressive_score > 0) {
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y,
NULL, wrap_y * 2, 8) +
s->dsp.ildct_cmp[4](s, ptr_y + wrap_y,
NULL, wrap_y * 2, 8);
if (progressive_score > interlaced_score) {
s->interlaced_dct = 1;
dct_offset = wrap_y;
wrap_y <<= 1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
wrap_c <<= 1;
}
}
}
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
s->dsp.get_pixels(s->block[1], ptr_y + 8 , wrap_y);
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8 , wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
if (s->flags & CODEC_FLAG_GRAY) {
skip_dct[4] = 1;
skip_dct[5] = 1;
} else {
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
if(!s->chroma_y_shift){ /* 422 */
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
if (!s->chroma_y_shift) { /* 422 */
s->dsp.get_pixels(s->block[6],
ptr_cb + (dct_offset >> 1), wrap_c);
s->dsp.get_pixels(s->block[7],
ptr_cr + (dct_offset >> 1), wrap_c);
}
}
}else{
} else {
op_pixels_func (*op_pix)[4];
qpel_mc_func (*op_qpix)[16];
uint8_t *dest_y, *dest_cb, *dest_cr;
......@@ -1757,146 +1843,197 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x,
dest_cb = s->dest[1];
dest_cr = s->dest[2];
if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
op_pix = s->dsp.put_pixels_tab;
op_qpix= s->dsp.put_qpel_pixels_tab;
}else{
op_pix = s->dsp.put_no_rnd_pixels_tab;
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) {
op_pix = s->dsp.put_pixels_tab;
op_qpix = s->dsp.put_qpel_pixels_tab;
} else {
op_pix = s->dsp.put_no_rnd_pixels_tab;
op_qpix = s->dsp.put_no_rnd_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_FORWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix);
op_pix = s->dsp.avg_pixels_tab;
op_qpix= s->dsp.avg_qpel_pixels_tab;
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data,
op_pix, op_qpix);
op_pix = s->dsp.avg_pixels_tab;
op_qpix = s->dsp.avg_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_BACKWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix);
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data,
op_pix, op_qpix);
}
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
if(progressive_score>0){
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
s->interlaced_dct = 0;
progressive_score = s->dsp.ildct_cmp[0](s, dest_y,
ptr_y, wrap_y,
8) +
s->dsp.ildct_cmp[0](s, dest_y + wrap_y * 8,
ptr_y + wrap_y * 8, wrap_y,
8) - 400;
if (s->avctx->ildct_cmp == FF_CMP_VSSE)
progressive_score -= 400;
if (progressive_score > 0) {
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y,
ptr_y,
wrap_y * 2, 8) +
s->dsp.ildct_cmp[0](s, dest_y + wrap_y,
ptr_y + wrap_y,
wrap_y * 2, 8);
if (progressive_score > interlaced_score) {
s->interlaced_dct = 1;
dct_offset = wrap_y;
wrap_y <<= 1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
wrap_c <<= 1;
}
}
}
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
s->dsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset,
dest_y + dct_offset, wrap_y);
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
dest_y + dct_offset + 8, wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
if (s->flags & CODEC_FLAG_GRAY) {
skip_dct[4] = 1;
skip_dct[5] = 1;
} else {
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
if(!s->chroma_y_shift){ /* 422 */
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
if (!s->chroma_y_shift) { /* 422 */
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset >> 1),
dest_cb + (dct_offset >> 1), wrap_c);
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset >> 1),
dest_cr + (dct_offset >> 1), wrap_c);
}
}
/* pre quantization */
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
//FIXME optimize
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
if(!s->chroma_y_shift){ /* 422 */
if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
if (s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] <
2 * s->qscale * s->qscale) {
// FIXME optimize
if (s->dsp.sad[1](NULL, ptr_y , dest_y,
wrap_y, 8) < 20 * s->qscale)
skip_dct[0] = 1;
if (s->dsp.sad[1](NULL, ptr_y + 8,
dest_y + 8, wrap_y, 8) < 20 * s->qscale)
skip_dct[1] = 1;
if (s->dsp.sad[1](NULL, ptr_y + dct_offset,
dest_y + dct_offset, wrap_y, 8) < 20 * s->qscale)
skip_dct[2] = 1;
if (s->dsp.sad[1](NULL, ptr_y + dct_offset + 8,
dest_y + dct_offset + 8,
wrap_y, 8) < 20 * s->qscale)
skip_dct[3] = 1;
if (s->dsp.sad[1](NULL, ptr_cb, dest_cb,
wrap_c, 8) < 20 * s->qscale)
skip_dct[4] = 1;
if (s->dsp.sad[1](NULL, ptr_cr, dest_cr,
wrap_c, 8) < 20 * s->qscale)
skip_dct[5] = 1;
if (!s->chroma_y_shift) { /* 422 */
if (s->dsp.sad[1](NULL, ptr_cb + (dct_offset >> 1),
dest_cb + (dct_offset >> 1),
wrap_c, 8) < 20 * s->qscale)
skip_dct[6] = 1;
if (s->dsp.sad[1](NULL, ptr_cr + (dct_offset >> 1),
dest_cr + (dct_offset >> 1),
wrap_c, 8) < 20 * s->qscale)
skip_dct[7] = 1;
}
}
}
if(s->avctx->quantizer_noise_shaping){
if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
if(!s->chroma_y_shift){ /* 422 */
if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
if (s->avctx->quantizer_noise_shaping) {
if (!skip_dct[0])
get_visual_weight(weight[0], ptr_y , wrap_y);
if (!skip_dct[1])
get_visual_weight(weight[1], ptr_y + 8, wrap_y);
if (!skip_dct[2])
get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
if (!skip_dct[3])
get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
if (!skip_dct[4])
get_visual_weight(weight[4], ptr_cb , wrap_c);
if (!skip_dct[5])
get_visual_weight(weight[5], ptr_cr , wrap_c);
if (!s->chroma_y_shift) { /* 422 */
if (!skip_dct[6])
get_visual_weight(weight[6], ptr_cb + (dct_offset >> 1),
wrap_c);
if (!skip_dct[7])
get_visual_weight(weight[7], ptr_cr + (dct_offset >> 1),
wrap_c);
}
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
memcpy(orig[0], s->block[0], sizeof(DCTELEM) * 64 * mb_block_count);
}
/* DCT & quantize */
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
assert(s->out_format != FMT_MJPEG || s->qscale == 8);
{
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
for (i = 0; i < mb_block_count; i++) {
if (!skip_dct[i]) {
int overflow;
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
// FIXME we could decide to change to quantizer instead of clipping
// JS: I don't think that would be a good idea it could lower quality instead
// of improve it. Just INTRADC clipping deserves changes in quantizer
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
}else
s->block_last_index[i]= -1;
}
if(s->avctx->quantizer_noise_shaping){
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
// FIXME we could decide to change to quantizer instead of
// clipping
// JS: I don't think that would be a good idea it could lower
// quality instead of improve it. Just INTRADC clipping
// deserves changes in quantizer
if (overflow)
clip_coeffs(s, s->block[i], s->block_last_index[i]);
} else
s->block_last_index[i] = -1;
}
if (s->avctx->quantizer_noise_shaping) {
for (i = 0; i < mb_block_count; i++) {
if (!skip_dct[i]) {
s->block_last_index[i] =
dct_quantize_refine(s, s->block[i], weight[i],
orig[i], i, s->qscale);
}
}
}
if(s->luma_elim_threshold && !s->mb_intra)
for(i=0; i<4; i++)
if (s->luma_elim_threshold && !s->mb_intra)
for (i = 0; i < 4; i++)
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
if(s->chroma_elim_threshold && !s->mb_intra)
for(i=4; i<mb_block_count; i++)
if (s->chroma_elim_threshold && !s->mb_intra)
for (i = 4; i < mb_block_count; i++)
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
if(s->flags & CODEC_FLAG_CBP_RD){
for(i=0;i<mb_block_count;i++) {
if(s->block_last_index[i] == -1)
s->coded_score[i]= INT_MAX/256;
if (s->flags & CODEC_FLAG_CBP_RD) {
for (i = 0; i < mb_block_count; i++) {
if (s->block_last_index[i] == -1)
s->coded_score[i] = INT_MAX / 256;
}
}
}
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
s->block_last_index[4]=
s->block_last_index[5]= 0;
s->block[4][0]=
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
if ((s->flags & CODEC_FLAG_GRAY) && s->mb_intra) {
s->block_last_index[4] =
s->block_last_index[5] = 0;
s->block[4][0] =
s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;
}
//non c quantize code returns incorrect block_last_index FIXME
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
for(i=0; i<mb_block_count; i++){
// non c quantize code returns incorrect block_last_index FIXME
if (s->alternate_scan && s->dct_quantize != dct_quantize_c) {
for (i = 0; i < mb_block_count; i++) {
int j;
if(s->block_last_index[i]>0){
for(j=63; j>0; j--){
if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
if (s->block_last_index[i] > 0) {
for (j = 63; j > 0; j--) {
if (s->block[i][s->intra_scantable.permutated[j]])
break;
}
s->block_last_index[i]= j;
s->block_last_index[i] = j;
}
}
}
......@@ -1957,7 +2094,7 @@ static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext
/* mpeg1 */
d->mb_skip_run= s->mb_skip_run;
for(i=0; i<3; i++)
d->last_dc[i]= s->last_dc[i];
d->last_dc[i] = s->last_dc[i];
/* statistics */
d->mv_bits= s->mv_bits;
......@@ -1986,7 +2123,7 @@ static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *
/* mpeg1 */
d->mb_skip_run= s->mb_skip_run;
for(i=0; i<3; i++)
d->last_dc[i]= s->last_dc[i];
d->last_dc[i] = s->last_dc[i];
/* statistics */
d->mv_bits= s->mv_bits;
......
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