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authorDiego Biurrun <diego@biurrun.de>2012-08-26 09:57:19 +0200
committerDiego Biurrun <diego@biurrun.de>2012-08-26 14:03:56 +0200
commita6d9f9e60e090d3ef1be6c8497d3f5eaa7bd4e2e (patch)
tree1e1966f6816a51f8f8b6bc532361064857788570 /libavcodec/cavsdec.c
parentef07ac1e126b95ad7e1b56504c19b59901265c3e (diff)
downloadffmpeg-a6d9f9e60e090d3ef1be6c8497d3f5eaa7bd4e2e.tar.gz
cavs: Move inline functions only used in one file out of the header
Diffstat (limited to 'libavcodec/cavsdec.c')
-rw-r--r--libavcodec/cavsdec.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c
index 8dae8911eb..e70dad038a 100644
--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -511,6 +511,26 @@ static inline int get_ue_code(GetBitContext *gb, int order) {
return get_ue_golomb(gb);
}
+static inline int dequant(AVSContext *h, DCTELEM *level_buf, uint8_t *run_buf,
+ DCTELEM *dst, int mul, int shift, int coeff_num) {
+ int round = 1 << (shift - 1);
+ int pos = -1;
+ const uint8_t *scantab = h->scantable.permutated;
+
+ /* inverse scan and dequantization */
+ while(--coeff_num >= 0){
+ pos += run_buf[coeff_num];
+ if(pos > 63) {
+ av_log(h->s.avctx, AV_LOG_ERROR,
+ "position out of block bounds at pic %d MB(%d,%d)\n",
+ h->picture.poc, h->mbx, h->mby);
+ return -1;
+ }
+ dst[scantab[pos]] = (level_buf[coeff_num]*mul + round) >> shift;
+ }
+ return 0;
+}
+
/**
* decode coefficients from one 8x8 block, dequantize, inverse transform
* and add them to sample block
@@ -597,6 +617,15 @@ static inline int decode_residual_inter(AVSContext *h) {
*
****************************************************************************/
+static inline void set_mv_intra(AVSContext *h) {
+ h->mv[MV_FWD_X0] = ff_cavs_intra_mv;
+ set_mvs(&h->mv[MV_FWD_X0], BLK_16X16);
+ h->mv[MV_BWD_X0] = ff_cavs_intra_mv;
+ set_mvs(&h->mv[MV_BWD_X0], BLK_16X16);
+ if(h->pic_type != AV_PICTURE_TYPE_B)
+ h->col_type_base[h->mbidx] = I_8X8;
+}
+
static int decode_mb_i(AVSContext *h, int cbp_code) {
GetBitContext *gb = &h->s.gb;
unsigned pred_mode_uv;
@@ -664,6 +693,16 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
return 0;
}
+static inline void set_intra_mode_default(AVSContext *h) {
+ if(h->stream_revision > 0) {
+ h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
+ h->top_pred_Y[h->mbx*2+0] = h->top_pred_Y[h->mbx*2+1] = NOT_AVAIL;
+ } else {
+ h->pred_mode_Y[3] = h->pred_mode_Y[6] = INTRA_L_LP;
+ h->top_pred_Y[h->mbx*2+0] = h->top_pred_Y[h->mbx*2+1] = INTRA_L_LP;
+ }
+}
+
static void decode_mb_p(AVSContext *h, enum cavs_mb mb_type) {
GetBitContext *gb = &h->s.gb;
int ref[4];