* svq3 decoder.
*/
+typedef struct SVQ3Frame {
+ AVFrame *f;
+
+ AVBufferRef *motion_val_buf[2];
+ int16_t (*motion_val[2])[2];
+
+ AVBufferRef *mb_type_buf;
+ uint32_t *mb_type;
+
+
+ AVBufferRef *ref_index_buf[2];
+ int8_t *ref_index[2];
+} SVQ3Frame;
+
typedef struct SVQ3Context {
AVCodecContext *avctx;
TpelDSPContext tdsp;
VideoDSPContext vdsp;
- H264Picture *cur_pic;
- H264Picture *next_pic;
- H264Picture *last_pic;
+ SVQ3Frame *cur_pic;
+ SVQ3Frame *next_pic;
+ SVQ3Frame *last_pic;
GetBitContext gb;
GetBitContext gb_slice;
uint8_t *slice_buf;
int mx, int my, int dxy,
int thirdpel, int dir, int avg)
{
- const H264Picture *pic = (dir == 0) ? s->last_pic : s->next_pic;
+ const SVQ3Frame *pic = (dir == 0) ? s->last_pic : s->next_pic;
uint8_t *src, *dest;
int i, emu = 0;
int blocksize = 2 - (width >> 3); // 16->0, 8->1, 4->2
return ret;
}
-static void free_picture(AVCodecContext *avctx, H264Picture *pic)
+static void free_picture(AVCodecContext *avctx, SVQ3Frame *pic)
{
int i;
for (i = 0; i < 2; i++) {
av_frame_unref(pic->f);
}
-static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
+static int get_buffer(AVCodecContext *avctx, SVQ3Frame *pic)
{
SVQ3Context *s = avctx->priv_data;
const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1;
pic->ref_index[i] = pic->ref_index_buf[i]->data;
}
}
- pic->reference = !(s->pict_type == AV_PICTURE_TYPE_B);
ret = ff_get_buffer(avctx, pic->f,
- pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
+ (s->pict_type != AV_PICTURE_TYPE_B) ?
+ AV_GET_BUFFER_FLAG_REF : 0);
if (ret < 0)
goto fail;
return -1;
if (s->pict_type != AV_PICTURE_TYPE_B)
- FFSWAP(H264Picture*, s->next_pic, s->last_pic);
+ FFSWAP(SVQ3Frame*, s->next_pic, s->last_pic);
av_frame_unref(s->cur_pic->f);
*got_frame = 1;
if (s->pict_type != AV_PICTURE_TYPE_B) {
- FFSWAP(H264Picture*, s->cur_pic, s->next_pic);
+ FFSWAP(SVQ3Frame*, s->cur_pic, s->next_pic);
} else {
av_frame_unref(s->cur_pic->f);
}