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/*
* dpb.c
*
* Created on: 07.12.2008
* Author: julian
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dpb.h"
struct decoded_picture* init_decoded_picture(struct nal_unit *src_nal,
VdpVideoSurface surface)
{
struct decoded_picture *pic = malloc(sizeof(struct decoded_picture));
pic->nal = init_nal_unit();
copy_nal_unit(pic->nal, src_nal);
pic->surface = surface;
pic->next = NULL;
return pic;
}
void free_decoded_picture(struct decoded_picture *pic)
{
free_nal_unit(pic->nal);
}
struct decoded_picture* dpb_get_picture(struct dpb *dpb, uint32_t picnum)
{
struct decoded_picture *pic = dpb->pictures;
if (pic != NULL)
do {
if (pic->nal->curr_pic_num == picnum)
return pic;
} while ((pic = pic->next) != NULL);
return NULL;
}
struct decoded_picture* dpb_get_picture_by_ltpn(struct dpb *dpb,
uint32_t longterm_picnum)
{
struct decoded_picture *pic = dpb->pictures;
if (pic != NULL)
do {
if (pic->nal->long_term_pic_num == longterm_picnum)
return pic;
} while ((pic = pic->next) != NULL);
return NULL;
}
struct decoded_picture* dpb_get_picture_by_ltidx(struct dpb *dpb,
uint32_t longterm_idx)
{
struct decoded_picture *pic = dpb->pictures;
if (pic != NULL)
do {
if (pic->nal->long_term_frame_idx == longterm_idx)
return pic;
} while ((pic = pic->next) != NULL);
return NULL;
}
int dpb_remove_picture(struct dpb *dpb, uint32_t picnum)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
if (pic != NULL)
do {
if (pic->nal->curr_pic_num == picnum) {
// FIXME: free the picture....
if (last_pic != NULL)
last_pic->next = pic->next;
else
dpb->pictures = pic->next;
free_decoded_picture(pic);
return 0;
}
last_pic = pic;
} while ((pic = pic->next) != NULL);
return -1;
}
int dpb_remove_picture_by_ltpn(struct dpb *dpb, uint32_t longterm_picnum)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
if (pic != NULL)
do {
if (pic->nal->long_term_pic_num == longterm_picnum) {
// FIXME: free the picture....
if (last_pic != NULL)
last_pic->next = pic->next;
else
dpb->pictures = pic->next;
free_decoded_picture(pic);
return 0;
}
last_pic = pic;
} while ((pic = pic->next) != NULL);
return -1;
}
int dpb_remove_picture_by_ltidx(struct dpb *dpb, uint32_t longterm_idx)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
if (pic != NULL)
do {
if (pic->nal->long_term_frame_idx == longterm_idx) {
// FIXME: free the picture....
if (last_pic != NULL)
last_pic->next = pic->next;
else
dpb->pictures = pic->next;
free_decoded_picture(pic);
return 0;
}
last_pic = pic;
} while ((pic = pic->next) != NULL);
return -1;
}
int dpb_remove_ltidx_gt(struct dpb *dpb, uint32_t longterm_max)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
if (pic != NULL)
do {
if (pic->nal->long_term_frame_idx > longterm_max) {
// FIXME: free the picture....
if (last_pic != NULL)
last_pic->next = pic->next;
else
dpb->pictures = pic->next;
free_decoded_picture(pic);
/* don't increase last_pic to current pic
* in case we delete current pic */
continue;
}
last_pic = pic;
} while ((pic = pic->next) != NULL);
return 0;
}
int dpb_add_picture(struct dpb *dpb, struct decoded_picture *pic)
{
pic->next = dpb->pictures;
dpb->pictures = pic;
return 0;
}
int dpb_flush(struct dpb *dpb)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
if (pic != NULL)
do {
//FIXME: free the picture
last_pic = pic;
} while ((pic = pic->next) != NULL);
dpb->pictures = NULL;
return 0;
}
void fill_vdpau_reference_list(struct dpb *dpb, VdpReferenceFrameH264 *reflist)
{
struct decoded_picture *pic = dpb->pictures;
struct decoded_picture *last_pic = NULL;
int i = 0;
if (pic != NULL)
do {
if (pic->nal->nal_ref_idc != 0) {
reflist[i].surface = pic->surface;
reflist[i].is_long_term = pic->nal->used_for_long_term_ref;
reflist[i].top_is_reference = pic->nal->slc->field_pic_flag
? (pic->nal->slc->bottom_field_flag ? 0 : 1) : 1;
reflist[i].bottom_is_reference = pic->nal->slc->field_pic_flag
? (pic->nal->slc->bottom_field_flag ? 1 : 0) : 1;
reflist[i].field_order_cnt[0] = pic->nal->top_field_order_cnt;
reflist[i].field_order_cnt[1] = pic->nal->bottom_field_order_cnt;
i++;
}
last_pic = pic;
} while ((pic = pic->next) != NULL && i < 16);
printf("Used ref-frames: %d\n", i);
// fill all other frames with invalid handles
while(i < 16) {
reflist[i].bottom_is_reference = VDP_FALSE;
reflist[i].top_is_reference = VDP_FALSE;
reflist[i].frame_idx = VDP_INVALID_HANDLE;
reflist[i].is_long_term = VDP_FALSE;
reflist[i].surface = VDP_INVALID_HANDLE;
reflist[i].field_order_cnt[0] = 0;
reflist[i].field_order_cnt[1] = 0;
i++;
}
}
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