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Code Issues Releases Activity

h264_refs: cosmetics, reformat

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This commit is contained in:
Anton Khirnov 2013-03-07 18:04:19 +01:00
parent f08fefc4d0
commit c2597c5a0a
1 changed files with 211 additions and 185 deletions
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374
libavcodec/h264_refs.c
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@ -52,13 +52,13 @@ static void pic_as_field(Picture *pic, const int parity){
pic->poc= pic->field_poc[parity == PICT_BOTTOM_FIELD]; pic->poc= pic->field_poc[parity == PICT_BOTTOM_FIELD];
} }
static int split_field_copy(Picture *dest, Picture *src, static int split_field_copy(Picture *dest, Picture *src, int parity, int id_add)
int parity, int id_add){ {
int match = !!(src->reference & parity); int match = !!(src->reference & parity);
if (match) { if (match) {
COPY_PICTURE(dest, src); COPY_PICTURE(dest, src);
if(parity != PICT_FRAME){ if (parity != PICT_FRAME) {
pic_as_field(dest, parity); pic_as_field(dest, parity);
dest->pic_id *= 2; dest->pic_id *= 2;
dest->pic_id += id_add; dest->pic_id += id_add;
@ -68,76 +68,79 @@ static int split_field_copy(Picture *dest, Picture *src,
return match; return match;
} }
static int build_def_list(Picture *def, Picture **in, int len, int is_long, int sel){ static int build_def_list(Picture *def, Picture **in, int len, int is_long, int sel)
int i[2]={0}; {
int index=0; int i[2] = { 0 };
int index = 0;
while(i[0]<len || i[1]<len){ while (i[0] < len || i[1] < len) {
while (i[0] < len && !(in[ i[0] ] && (in[ i[0] ]->reference & sel))) while (i[0] < len && !(in[i[0]] && (in[i[0]]->reference & sel)))
i[0]++; i[0]++;
while (i[1] < len && !(in[ i[1] ] && (in[ i[1] ]->reference & (sel^3)))) while (i[1] < len && !(in[i[1]] && (in[i[1]]->reference & (sel ^ 3))))
i[1]++; i[1]++;
if(i[0] < len){ if (i[0] < len) {
in[ i[0] ]->pic_id= is_long ? i[0] : in[ i[0] ]->frame_num; in[i[0]]->pic_id = is_long ? i[0] : in[i[0]]->frame_num;
split_field_copy(&def[index++], in[ i[0]++ ], sel , 1); split_field_copy(&def[index++], in[i[0]++], sel, 1);
} }
if(i[1] < len){ if (i[1] < len) {
in[ i[1] ]->pic_id= is_long ? i[1] : in[ i[1] ]->frame_num; in[i[1]]->pic_id = is_long ? i[1] : in[i[1]]->frame_num;
split_field_copy(&def[index++], in[ i[1]++ ], sel^3, 0); split_field_copy(&def[index++], in[i[1]++], sel ^ 3, 0);
} }
} }
return index; return index;
} }
static int add_sorted(Picture **sorted, Picture **src, int len, int limit, int dir){ static int add_sorted(Picture **sorted, Picture **src, int len, int limit, int dir)
{
int i, best_poc; int i, best_poc;
int out_i= 0; int out_i = 0;
for(;;){ for (;;) {
best_poc= dir ? INT_MIN : INT_MAX; best_poc = dir ? INT_MIN : INT_MAX;
for(i=0; i<len; i++){ for (i = 0; i < len; i++) {
const int poc= src[i]->poc; const int poc = src[i]->poc;
if(((poc > limit) ^ dir) && ((poc < best_poc) ^ dir)){ if (((poc > limit) ^ dir) && ((poc < best_poc) ^ dir)) {
best_poc= poc; best_poc = poc;
sorted[out_i]= src[i]; sorted[out_i] = src[i];
} }
} }
if(best_poc == (dir ? INT_MIN : INT_MAX)) if (best_poc == (dir ? INT_MIN : INT_MAX))
break; break;
limit= sorted[out_i++]->poc - dir; limit = sorted[out_i++]->poc - dir;
} }
return out_i; return out_i;
} }
int ff_h264_fill_default_ref_list(H264Context *h){ int ff_h264_fill_default_ref_list(H264Context *h)
{
int i, len; int i, len;
if(h->slice_type_nos==AV_PICTURE_TYPE_B){ if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
Picture *sorted[32]; Picture *sorted[32];
int cur_poc, list; int cur_poc, list;
int lens[2]; int lens[2];
if(FIELD_PICTURE) if (FIELD_PICTURE)
cur_poc= h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD]; cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
else else
cur_poc= h->cur_pic_ptr->poc; cur_poc = h->cur_pic_ptr->poc;
for(list= 0; list<2; list++){ for (list = 0; list < 2; list++) {
len= add_sorted(sorted , h->short_ref, h->short_ref_count, cur_poc, 1^list); len = add_sorted(sorted, h->short_ref, h->short_ref_count, cur_poc, 1 ^ list);
len+=add_sorted(sorted+len, h->short_ref, h->short_ref_count, cur_poc, 0^list); len += add_sorted(sorted + len, h->short_ref, h->short_ref_count, cur_poc, 0 ^ list);
assert(len<=32); assert(len <= 32);
len= build_def_list(h->default_ref_list[list] , sorted , len, 0, h->picture_structure); len = build_def_list(h->default_ref_list[list], sorted, len, 0, h->picture_structure);
len+=build_def_list(h->default_ref_list[list]+len, h->long_ref, 16 , 1, h->picture_structure); len += build_def_list(h->default_ref_list[list] + len, h->long_ref, 16, 1, h->picture_structure);
assert(len<=32); assert(len <= 32);
if(len < h->ref_count[list]) if (len < h->ref_count[list])
memset(&h->default_ref_list[list][len], 0, sizeof(Picture)*(h->ref_count[list] - len)); memset(&h->default_ref_list[list][len], 0, sizeof(Picture) * (h->ref_count[list] - len));
lens[list]= len; lens[list] = len;
} }
if(lens[0] == lens[1] && lens[1] > 1){ if (lens[0] == lens[1] && lens[1] > 1) {
for (i = 0; h->default_ref_list[0][i].f.data[0] == h->default_ref_list[1][i].f.data[0] && i < lens[0]; i++); for (i = 0; h->default_ref_list[0][i].f.data[0] == h->default_ref_list[1][i].f.data[0] && i < lens[0]; i++);
if (i == lens[0]) { if (i == lens[0]) {
Picture tmp; Picture tmp;
@ -146,20 +149,26 @@ int ff_h264_fill_default_ref_list(H264Context *h){
COPY_PICTURE(&h->default_ref_list[1][1], &tmp); COPY_PICTURE(&h->default_ref_list[1][1], &tmp);
} }
} }
}else{ } else {
len = build_def_list(h->default_ref_list[0] , h->short_ref, h->short_ref_count, 0, h->picture_structure); len = build_def_list(h->default_ref_list[0], h->short_ref, h->short_ref_count, 0, h->picture_structure);
len+= build_def_list(h->default_ref_list[0]+len, h-> long_ref, 16 , 1, h->picture_structure); len += build_def_list(h->default_ref_list[0] + len, h-> long_ref, 16, 1, h->picture_structure);
assert(len <= 32); assert(len <= 32);
if(len < h->ref_count[0]) if (len < h->ref_count[0])
memset(&h->default_ref_list[0][len], 0, sizeof(Picture)*(h->ref_count[0] - len)); memset(&h->default_ref_list[0][len], 0, sizeof(Picture) * (h->ref_count[0] - len));
} }
#ifdef TRACE #ifdef TRACE
for (i=0; i<h->ref_count[0]; i++) { for (i = 0; i < h->ref_count[0]; i++) {
tprintf(h->avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].f.data[0]); tprintf(h->avctx, "List0: %s fn:%d 0x%p\n",
(h->default_ref_list[0][i].long_ref ? "LT" : "ST"),
h->default_ref_list[0][i].pic_id,
h->default_ref_list[0][i].f.data[0]);
} }
if(h->slice_type_nos==AV_PICTURE_TYPE_B){ if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
for (i=0; i<h->ref_count[1]; i++) { for (i = 0; i < h->ref_count[1]; i++) {
tprintf(h->avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[1][i].f.data[0]); tprintf(h->avctx, "List1: %s fn:%d 0x%p\n",
(h->default_ref_list[1][i].long_ref ? "LT" : "ST"),
h->default_ref_list[1][i].pic_id,
h->default_ref_list[1][i].f.data[0]);
} }
} }
#endif #endif
@ -179,9 +188,10 @@ static void print_long_term(H264Context *h);
* @return frame number (short term) or long term index of picture * @return frame number (short term) or long term index of picture
* described by pic_num * described by pic_num
*/ */
static int pic_num_extract(H264Context *h, int pic_num, int *structure){ static int pic_num_extract(H264Context *h, int pic_num, int *structure)
{
*structure = h->picture_structure; *structure = h->picture_structure;
if(FIELD_PICTURE){ if (FIELD_PICTURE) {
if (!(pic_num & 1)) if (!(pic_num & 1))
/* opposite field */ /* opposite field */
*structure ^= PICT_FRAME; *structure ^= PICT_FRAME;
@ -191,79 +201,80 @@ static int pic_num_extract(H264Context *h, int pic_num, int *structure){
return pic_num; return pic_num;
} }
int ff_h264_decode_ref_pic_list_reordering(H264Context *h){ int ff_h264_decode_ref_pic_list_reordering(H264Context *h)
{
int list, index, pic_structure, i; int list, index, pic_structure, i;
print_short_term(h); print_short_term(h);
print_long_term(h); print_long_term(h);
for(list=0; list<h->list_count; list++){ for (list = 0; list < h->list_count; list++) {
for (i = 0; i < h->ref_count[list]; i++) for (i = 0; i < h->ref_count[list]; i++)
COPY_PICTURE(&h->ref_list[list][i], &h->default_ref_list[list][i]); COPY_PICTURE(&h->ref_list[list][i], &h->default_ref_list[list][i]);
if(get_bits1(&h->gb)){ if (get_bits1(&h->gb)) {
int pred= h->curr_pic_num; int pred = h->curr_pic_num;
for(index=0; ; index++){ for (index = 0; ; index++) {
unsigned int reordering_of_pic_nums_idc= get_ue_golomb_31(&h->gb); unsigned int reordering_of_pic_nums_idc = get_ue_golomb_31(&h->gb);
unsigned int pic_id; unsigned int pic_id;
int i; int i;
Picture *ref = NULL; Picture *ref = NULL;
if(reordering_of_pic_nums_idc==3) if (reordering_of_pic_nums_idc == 3)
break; break;
if(index >= h->ref_count[list]){ if (index >= h->ref_count[list]) {
av_log(h->avctx, AV_LOG_ERROR, "reference count overflow\n"); av_log(h->avctx, AV_LOG_ERROR, "reference count overflow\n");
return -1; return -1;
} }
if(reordering_of_pic_nums_idc<3){ if (reordering_of_pic_nums_idc < 3) {
if(reordering_of_pic_nums_idc<2){ if (reordering_of_pic_nums_idc < 2) {
const unsigned int abs_diff_pic_num= get_ue_golomb(&h->gb) + 1; const unsigned int abs_diff_pic_num = get_ue_golomb(&h->gb) + 1;
int frame_num; int frame_num;
if(abs_diff_pic_num > h->max_pic_num){ if (abs_diff_pic_num > h->max_pic_num) {
av_log(h->avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n"); av_log(h->avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
return -1; return -1;
} }
if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num; if (reordering_of_pic_nums_idc == 0)
else pred+= abs_diff_pic_num; pred -= abs_diff_pic_num;
else
pred += abs_diff_pic_num;
pred &= h->max_pic_num - 1; pred &= h->max_pic_num - 1;
frame_num = pic_num_extract(h, pred, &pic_structure); frame_num = pic_num_extract(h, pred, &pic_structure);
for(i= h->short_ref_count-1; i>=0; i--){ for (i = h->short_ref_count - 1; i >= 0; i--) {
ref = h->short_ref[i]; ref = h->short_ref[i];
assert(ref->reference); assert(ref->reference);
assert(!ref->long_ref); assert(!ref->long_ref);
if( if (ref->frame_num == frame_num &&
ref->frame_num == frame_num && (ref->reference & pic_structure))
(ref->reference & pic_structure)
)
break; break;
} }
if(i>=0) if (i >= 0)
ref->pic_id= pred; ref->pic_id = pred;
}else{ } else {
int long_idx; int long_idx;
pic_id= get_ue_golomb(&h->gb); //long_term_pic_idx pic_id = get_ue_golomb(&h->gb); //long_term_pic_idx
long_idx= pic_num_extract(h, pic_id, &pic_structure); long_idx = pic_num_extract(h, pic_id, &pic_structure);
if(long_idx>31){ if (long_idx > 31) {
av_log(h->avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n"); av_log(h->avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
return -1; return -1;
} }
ref = h->long_ref[long_idx]; ref = h->long_ref[long_idx];
assert(!(ref && !ref->reference)); assert(!(ref && !ref->reference));
if (ref && (ref->reference & pic_structure)) { if (ref && (ref->reference & pic_structure)) {
ref->pic_id= pic_id; ref->pic_id = pic_id;
assert(ref->long_ref); assert(ref->long_ref);
i=0; i = 0;
}else{ } else {
i=-1; i = -1;
} }
} }
@ -271,27 +282,28 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h){
av_log(h->avctx, AV_LOG_ERROR, "reference picture missing during reorder\n"); av_log(h->avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME
} else { } else {
for(i=index; i+1<h->ref_count[list]; i++){ for (i = index; i + 1 < h->ref_count[list]; i++) {
if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id) if (ref->long_ref == h->ref_list[list][i].long_ref &&
ref->pic_id == h->ref_list[list][i].pic_id)
break; break;
} }
for(; i > index; i--){ for (; i > index; i--) {
COPY_PICTURE(&h->ref_list[list][i], &h->ref_list[list][i - 1]); COPY_PICTURE(&h->ref_list[list][i], &h->ref_list[list][i - 1]);
} }
COPY_PICTURE(&h->ref_list[list][index], ref); COPY_PICTURE(&h->ref_list[list][index], ref);
if (FIELD_PICTURE){ if (FIELD_PICTURE) {
pic_as_field(&h->ref_list[list][index], pic_structure); pic_as_field(&h->ref_list[list][index], pic_structure);
} }
} }
}else{ } else {
av_log(h->avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n"); av_log(h->avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
return -1; return -1;
} }
} }
} }
} }
for(list=0; list<h->list_count; list++){ for (list = 0; list < h->list_count; list++) {
for(index= 0; index < h->ref_count[list]; index++){ for (index = 0; index < h->ref_count[list]; index++) {
if (!h->ref_list[list][index].f.data[0]) { if (!h->ref_list[list][index].f.data[0]) {
av_log(h->avctx, AV_LOG_ERROR, "Missing reference picture\n"); av_log(h->avctx, AV_LOG_ERROR, "Missing reference picture\n");
if (h->default_ref_list[list][0].f.data[0]) if (h->default_ref_list[list][0].f.data[0])
@ -305,28 +317,29 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h){
return 0; return 0;
} }
void ff_h264_fill_mbaff_ref_list(H264Context *h){ void ff_h264_fill_mbaff_ref_list(H264Context *h)
{
int list, i, j; int list, i, j;
for(list=0; list<2; list++){ //FIXME try list_count for (list = 0; list < 2; list++) { //FIXME try list_count
for(i=0; i<h->ref_count[list]; i++){ for (i = 0; i < h->ref_count[list]; i++) {
Picture *frame = &h->ref_list[list][i]; Picture *frame = &h->ref_list[list][i];
Picture *field = &h->ref_list[list][16+2*i]; Picture *field = &h->ref_list[list][16 + 2 * i];
COPY_PICTURE(field, frame); COPY_PICTURE(field, frame);
for(j=0; j<3; j++) for (j = 0; j < 3; j++)
field[0].f.linesize[j] <<= 1; field[0].f.linesize[j] <<= 1;
field[0].reference = PICT_TOP_FIELD; field[0].reference = PICT_TOP_FIELD;
field[0].poc= field[0].field_poc[0]; field[0].poc = field[0].field_poc[0];
COPY_PICTURE(field + 1, field); COPY_PICTURE(field + 1, field);
for(j=0; j<3; j++) for (j = 0; j < 3; j++)
field[1].f.data[j] += frame->f.linesize[j]; field[1].f.data[j] += frame->f.linesize[j];
field[1].reference = PICT_BOTTOM_FIELD; field[1].reference = PICT_BOTTOM_FIELD;
field[1].poc= field[1].field_poc[1]; field[1].poc = field[1].field_poc[1];
h->luma_weight[16+2*i][list][0] = h->luma_weight[16+2*i+1][list][0] = h->luma_weight[i][list][0]; h->luma_weight[16 + 2 * i][list][0] = h->luma_weight[16 + 2 * i + 1][list][0] = h->luma_weight[i][list][0];
h->luma_weight[16+2*i][list][1] = h->luma_weight[16+2*i+1][list][1] = h->luma_weight[i][list][1]; h->luma_weight[16 + 2 * i][list][1] = h->luma_weight[16 + 2 * i + 1][list][1] = h->luma_weight[i][list][1];
for(j=0; j<2; j++){ for (j = 0; j < 2; j++) {
h->chroma_weight[16+2*i][list][j][0] = h->chroma_weight[16+2*i+1][list][j][0] = h->chroma_weight[i][list][j][0]; h->chroma_weight[16 + 2 * i][list][j][0] = h->chroma_weight[16 + 2 * i + 1][list][j][0] = h->chroma_weight[i][list][j][0];
h->chroma_weight[16+2*i][list][j][1] = h->chroma_weight[16+2*i+1][list][j][1] = h->chroma_weight[i][list][j][1]; h->chroma_weight[16 + 2 * i][list][j][1] = h->chroma_weight[16 + 2 * i + 1][list][j][1] = h->chroma_weight[i][list][j][1];
} }
} }
} }
@ -343,7 +356,8 @@ void ff_h264_fill_mbaff_ref_list(H264Context *h){
* for display purposes) zero if one of the fields remains in * for display purposes) zero if one of the fields remains in
* reference * reference
*/ */
static inline int unreference_pic(H264Context *h, Picture *pic, int refmask){ static inline int unreference_pic(H264Context *h, Picture *pic, int refmask)
{
int i; int i;
if (pic->reference &= refmask) { if (pic->reference &= refmask) {
return 0; return 0;
@ -365,14 +379,15 @@ static inline int unreference_pic(H264Context *h, Picture *pic, int refmask){
* @return pointer to the found picture, or NULL if no pic with the provided * @return pointer to the found picture, or NULL if no pic with the provided
* frame number is found * frame number is found
*/ */
static Picture * find_short(H264Context *h, int frame_num, int *idx){ static Picture *find_short(H264Context *h, int frame_num, int *idx)
{
int i; int i;
for(i=0; i<h->short_ref_count; i++){ for (i = 0; i < h->short_ref_count; i++) {
Picture *pic= h->short_ref[i]; Picture *pic = h->short_ref[i];
if(h->avctx->debug&FF_DEBUG_MMCO) if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic); av_log(h->avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
if(pic->frame_num == frame_num) { if (pic->frame_num == frame_num) {
*idx = i; *idx = i;
return pic; return pic;
} }
@ -386,27 +401,30 @@ static Picture * find_short(H264Context *h, int frame_num, int *idx){
* to be valid. Other list entries are shifted down. * to be valid. Other list entries are shifted down.
* @param i index into h->short_ref of picture to remove. * @param i index into h->short_ref of picture to remove.
*/ */
static void remove_short_at_index(H264Context *h, int i){ static void remove_short_at_index(H264Context *h, int i)
{
assert(i >= 0 && i < h->short_ref_count); assert(i >= 0 && i < h->short_ref_count);
h->short_ref[i]= NULL; h->short_ref[i] = NULL;
if (--h->short_ref_count) if (--h->short_ref_count)
memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i)*sizeof(Picture*)); memmove(&h->short_ref[i], &h->short_ref[i + 1],
(h->short_ref_count - i) * sizeof(Picture*));
} }
/** /**
* *
* @return the removed picture or NULL if an error occurs * @return the removed picture or NULL if an error occurs
*/ */
static Picture * remove_short(H264Context *h, int frame_num, int ref_mask){ static Picture *remove_short(H264Context *h, int frame_num, int ref_mask)
{
Picture *pic; Picture *pic;
int i; int i;
if(h->avctx->debug&FF_DEBUG_MMCO) if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count); av_log(h->avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
pic = find_short(h, frame_num, &i); pic = find_short(h, frame_num, &i);
if (pic){ if (pic) {
if(unreference_pic(h, pic, ref_mask)) if (unreference_pic(h, pic, ref_mask))
remove_short_at_index(h, i); remove_short_at_index(h, i);
} }
@ -418,15 +436,16 @@ static Picture * remove_short(H264Context *h, int frame_num, int ref_mask){
* that list. * that list.
* @return the removed picture or NULL if an error occurs * @return the removed picture or NULL if an error occurs
*/ */
static Picture * remove_long(H264Context *h, int i, int ref_mask){ static Picture *remove_long(H264Context *h, int i, int ref_mask)
{
Picture *pic; Picture *pic;
pic= h->long_ref[i]; pic = h->long_ref[i];
if (pic){ if (pic) {
if(unreference_pic(h, pic, ref_mask)){ if (unreference_pic(h, pic, ref_mask)) {
assert(h->long_ref[i]->long_ref == 1); assert(h->long_ref[i]->long_ref == 1);
h->long_ref[i]->long_ref= 0; h->long_ref[i]->long_ref = 0;
h->long_ref[i]= NULL; h->long_ref[i] = NULL;
h->long_ref_count--; h->long_ref_count--;
} }
} }
@ -434,30 +453,32 @@ static Picture * remove_long(H264Context *h, int i, int ref_mask){
return pic; return pic;
} }
void ff_h264_remove_all_refs(H264Context *h){ void ff_h264_remove_all_refs(H264Context *h)
{
int i; int i;
for(i=0; i<16; i++){ for (i = 0; i < 16; i++) {
remove_long(h, i, 0); remove_long(h, i, 0);
} }
assert(h->long_ref_count==0); assert(h->long_ref_count == 0);
for(i=0; i<h->short_ref_count; i++){ for (i = 0; i < h->short_ref_count; i++) {
unreference_pic(h, h->short_ref[i], 0); unreference_pic(h, h->short_ref[i], 0);
h->short_ref[i]= NULL; h->short_ref[i] = NULL;
} }
h->short_ref_count=0; h->short_ref_count = 0;
} }
/** /**
* print short term list * print short term list
*/ */
static void print_short_term(H264Context *h) { static void print_short_term(H264Context *h)
{
uint32_t i; uint32_t i;
if(h->avctx->debug&FF_DEBUG_MMCO) { if (h->avctx->debug & FF_DEBUG_MMCO) {
av_log(h->avctx, AV_LOG_DEBUG, "short term list:\n"); av_log(h->avctx, AV_LOG_DEBUG, "short term list:\n");
for(i=0; i<h->short_ref_count; i++){ for (i = 0; i < h->short_ref_count; i++) {
Picture *pic= h->short_ref[i]; Picture *pic = h->short_ref[i];
av_log(h->avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", av_log(h->avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n",
i, pic->frame_num, pic->poc, pic->f.data[0]); i, pic->frame_num, pic->poc, pic->f.data[0]);
} }
@ -467,12 +488,13 @@ static void print_short_term(H264Context *h) {
/** /**
* print long term list * print long term list
*/ */
static void print_long_term(H264Context *h) { static void print_long_term(H264Context *h)
{
uint32_t i; uint32_t i;
if(h->avctx->debug&FF_DEBUG_MMCO) { if (h->avctx->debug & FF_DEBUG_MMCO) {
av_log(h->avctx, AV_LOG_DEBUG, "long term list:\n"); av_log(h->avctx, AV_LOG_DEBUG, "long term list:\n");
for(i = 0; i < 16; i++){ for (i = 0; i < 16; i++) {
Picture *pic= h->long_ref[i]; Picture *pic = h->long_ref[i];
if (pic) { if (pic) {
av_log(h->avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", av_log(h->avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n",
i, pic->frame_num, pic->poc, pic->f.data[0]); i, pic->frame_num, pic->poc, pic->f.data[0]);
@ -527,26 +549,29 @@ int ff_generate_sliding_window_mmcos(H264Context *h, int first_slice)
return 0; return 0;
} }
int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count)
{
int i, av_uninit(j); int i, av_uninit(j);
int current_ref_assigned=0, err=0; int current_ref_assigned = 0, err = 0;
Picture *av_uninit(pic); Picture *av_uninit(pic);
if((h->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0) if ((h->avctx->debug & FF_DEBUG_MMCO) && mmco_count == 0)
av_log(h->avctx, AV_LOG_DEBUG, "no mmco here\n"); av_log(h->avctx, AV_LOG_DEBUG, "no mmco here\n");
for(i=0; i<mmco_count; i++){ for (i = 0; i < mmco_count; i++) {
int av_uninit(structure), av_uninit(frame_num); int av_uninit(structure), av_uninit(frame_num);
if(h->avctx->debug&FF_DEBUG_MMCO) if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_pic_num, h->mmco[i].long_arg); av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode,
h->mmco[i].short_pic_num, h->mmco[i].long_arg);
if( mmco[i].opcode == MMCO_SHORT2UNUSED if (mmco[i].opcode == MMCO_SHORT2UNUSED ||
|| mmco[i].opcode == MMCO_SHORT2LONG){ mmco[i].opcode == MMCO_SHORT2LONG) {
frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure); frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure);
pic = find_short(h, frame_num, &j); pic = find_short(h, frame_num, &j);
if(!pic){ if (!pic) {
if(mmco[i].opcode != MMCO_SHORT2LONG || !h->long_ref[mmco[i].long_arg] if (mmco[i].opcode != MMCO_SHORT2LONG ||
|| h->long_ref[mmco[i].long_arg]->frame_num != frame_num) { !h->long_ref[mmco[i].long_arg] ||
h->long_ref[mmco[i].long_arg]->frame_num != frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "mmco: unref short failure\n"); av_log(h->avctx, AV_LOG_ERROR, "mmco: unref short failure\n");
err = AVERROR_INVALIDDATA; err = AVERROR_INVALIDDATA;
} }
@ -554,10 +579,11 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
} }
} }
switch(mmco[i].opcode){ switch (mmco[i].opcode) {
case MMCO_SHORT2UNUSED: case MMCO_SHORT2UNUSED:
if(h->avctx->debug&FF_DEBUG_MMCO) if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref short %d count %d\n", h->mmco[i].short_pic_num, h->short_ref_count); av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref short %d count %d\n",
h->mmco[i].short_pic_num, h->short_ref_count);
remove_short(h, frame_num, structure ^ PICT_FRAME); remove_short(h, frame_num, structure ^ PICT_FRAME);
break; break;
case MMCO_SHORT2LONG: case MMCO_SHORT2LONG:
@ -565,9 +591,9 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
remove_long(h, mmco[i].long_arg, 0); remove_long(h, mmco[i].long_arg, 0);
remove_short_at_index(h, j); remove_short_at_index(h, j);
h->long_ref[ mmco[i].long_arg ]= pic; h->long_ref[ mmco[i].long_arg ] = pic;
if (h->long_ref[ mmco[i].long_arg ]){ if (h->long_ref[mmco[i].long_arg]) {
h->long_ref[ mmco[i].long_arg ]->long_ref=1; h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++; h->long_ref_count++;
} }
break; break;
@ -576,7 +602,7 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
pic = h->long_ref[j]; pic = h->long_ref[j];
if (pic) { if (pic) {
remove_long(h, j, structure ^ PICT_FRAME); remove_long(h, j, structure ^ PICT_FRAME);
} else if(h->avctx->debug&FF_DEBUG_MMCO) } else if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref long failure\n"); av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref long failure\n");
break; break;
case MMCO_LONG: case MMCO_LONG:
@ -591,32 +617,31 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) { if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) {
remove_long(h, mmco[i].long_arg, 0); remove_long(h, mmco[i].long_arg, 0);
h->long_ref[ mmco[i].long_arg ]= h->cur_pic_ptr; h->long_ref[mmco[i].long_arg] = h->cur_pic_ptr;
h->long_ref[ mmco[i].long_arg ]->long_ref=1; h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++; h->long_ref_count++;
} }
h->cur_pic_ptr->reference |= h->picture_structure; h->cur_pic_ptr->reference |= h->picture_structure;
current_ref_assigned=1; current_ref_assigned = 1;
break; break;
case MMCO_SET_MAX_LONG: case MMCO_SET_MAX_LONG:
assert(mmco[i].long_arg <= 16); assert(mmco[i].long_arg <= 16);
// just remove the long term which index is greater than new max // just remove the long term which index is greater than new max
for(j = mmco[i].long_arg; j<16; j++){ for (j = mmco[i].long_arg; j < 16; j++) {
remove_long(h, j, 0); remove_long(h, j, 0);
} }
break; break;
case MMCO_RESET: case MMCO_RESET:
while(h->short_ref_count){ while (h->short_ref_count) {
remove_short(h, h->short_ref[0]->frame_num, 0); remove_short(h, h->short_ref[0]->frame_num, 0);
} }
for(j = 0; j < 16; j++) { for (j = 0; j < 16; j++) {
remove_long(h, j, 0); remove_long(h, j, 0);
} }
h->frame_num= h->frame_num = h->cur_pic_ptr->frame_num = 0;
h->cur_pic_ptr->frame_num= 0;
h->mmco_reset = 1; h->mmco_reset = 1;
h->cur_pic_ptr->mmco_reset=1; h->cur_pic_ptr->mmco_reset = 1;
break; break;
default: assert(0); default: assert(0);
} }
@ -639,23 +664,24 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
"(first field is long term)\n"); "(first field is long term)\n");
err = AVERROR_INVALIDDATA; err = AVERROR_INVALIDDATA;
} else { } else {
pic= remove_short(h, h->cur_pic_ptr->frame_num, 0); pic = remove_short(h, h->cur_pic_ptr->frame_num, 0);
if(pic){ if (pic) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n"); av_log(h->avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
err = AVERROR_INVALIDDATA; err = AVERROR_INVALIDDATA;
} }
if(h->short_ref_count) if (h->short_ref_count)
memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*)); memmove(&h->short_ref[1], &h->short_ref[0],
h->short_ref_count * sizeof(Picture*));
h->short_ref[0]= h->cur_pic_ptr; h->short_ref[0] = h->cur_pic_ptr;
h->short_ref_count++; h->short_ref_count++;
h->cur_pic_ptr->reference |= h->picture_structure; h->cur_pic_ptr->reference |= h->picture_structure;
} }
} }
if (h->long_ref_count + h->short_ref_count - if (h->long_ref_count + h->short_ref_count -
(h->short_ref[0] == h->cur_pic_ptr) > h->sps.ref_frame_count){ (h->short_ref[0] == h->cur_pic_ptr) > h->sps.ref_frame_count) {
/* We have too many reference frames, probably due to corrupted /* We have too many reference frames, probably due to corrupted
* stream. Need to discard one frame. Prevents overrun of the * stream. Need to discard one frame. Prevents overrun of the
@ -692,9 +718,9 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp; MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp;
int mmco_index = 0; int mmco_index = 0;
if (h->nal_unit_type == NAL_IDR_SLICE){ // FIXME fields if (h->nal_unit_type == NAL_IDR_SLICE) { // FIXME fields
skip_bits1(gb); // broken_link skip_bits1(gb); // broken_link
if (get_bits1(gb)){ if (get_bits1(gb)) {
mmco[0].opcode = MMCO_LONG; mmco[0].opcode = MMCO_LONG;
mmco[0].long_arg = 0; mmco[0].long_arg = 0;
mmco_index = 1; mmco_index = 1;
@ -705,7 +731,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
MMCOOpcode opcode = get_ue_golomb_31(gb); MMCOOpcode opcode = get_ue_golomb_31(gb);
mmco[i].opcode = opcode; mmco[i].opcode = opcode;
if (opcode == MMCO_SHORT2UNUSED || opcode == MMCO_SHORT2LONG){ if (opcode == MMCO_SHORT2UNUSED || opcode == MMCO_SHORT2LONG) {
mmco[i].short_pic_num = mmco[i].short_pic_num =
(h->curr_pic_num - get_ue_golomb(gb) - 1) & (h->curr_pic_num - get_ue_golomb(gb) - 1) &
(h->max_pic_num - 1); (h->max_pic_num - 1);
@ -725,7 +751,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
if (long_arg >= 32 || if (long_arg >= 32 ||
(long_arg >= 16 && !(opcode == MMCO_SET_MAX_LONG && (long_arg >= 16 && !(opcode == MMCO_SET_MAX_LONG &&
long_arg == 16) && long_arg == 16) &&
!(opcode == MMCO_LONG2UNUSED && FIELD_PICTURE))){ !(opcode == MMCO_LONG2UNUSED && FIELD_PICTURE))) {
av_log(h->avctx, AV_LOG_ERROR, av_log(h->avctx, AV_LOG_ERROR,
"illegal long ref in memory management control " "illegal long ref in memory management control "
"operation %d\n", opcode); "operation %d\n", opcode);
@ -734,7 +760,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
mmco[i].long_arg = long_arg; mmco[i].long_arg = long_arg;
} }
if (opcode > (unsigned) MMCO_LONG){ if (opcode > (unsigned) MMCO_LONG) {
av_log(h->avctx, AV_LOG_ERROR, av_log(h->avctx, AV_LOG_ERROR,
"illegal memory management control operation %d\n", "illegal memory management control operation %d\n",
opcode); opcode);