diff options
Diffstat (limited to 'vp8/common/pred_common.c')
| -rw-r--r-- | vp8/common/pred_common.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/vp8/common/pred_common.c b/vp8/common/pred_common.c index a97eed8e4..6fe12d46d 100644 --- a/vp8/common/pred_common.c +++ b/vp8/common/pred_common.c @@ -15,9 +15,9 @@ // TBD prediction functions for various bitstream signals // Returns a context number for the given MB prediction signal -unsigned char get_pred_context(const VP8_COMMON *const cm, - const MACROBLOCKD *const xd, - PRED_ID pred_id) { +unsigned char vp9_get_pred_context(const VP8_COMMON *const cm, + const MACROBLOCKD *const xd, + PRED_ID pred_id) { int pred_context; MODE_INFO *m = xd->mode_info_context; @@ -104,14 +104,14 @@ unsigned char get_pred_context(const VP8_COMMON *const cm, // This function returns a context probability for coding a given // prediction signal -vp8_prob get_pred_prob(const VP8_COMMON *const cm, - const MACROBLOCKD *const xd, - PRED_ID pred_id) { +vp8_prob vp9_get_pred_prob(const VP8_COMMON *const cm, + const MACROBLOCKD *const xd, + PRED_ID pred_id) { vp8_prob pred_probability; int pred_context; // Get the appropriate prediction context - pred_context = get_pred_context(cm, xd, pred_id); + pred_context = vp9_get_pred_context(cm, xd, pred_id); switch (pred_id) { case PRED_SEG_ID: @@ -144,14 +144,14 @@ vp8_prob get_pred_prob(const VP8_COMMON *const cm, // This function returns a context probability ptr for coding a given // prediction signal -const vp8_prob *get_pred_probs(const VP8_COMMON *const cm, - const MACROBLOCKD *const xd, - PRED_ID pred_id) { +const vp8_prob *vp9_get_pred_probs(const VP8_COMMON *const cm, + const MACROBLOCKD *const xd, + PRED_ID pred_id) { const vp8_prob *pred_probability; int pred_context; // Get the appropriate prediction context - pred_context = get_pred_context(cm, xd, pred_id); + pred_context = vp9_get_pred_context(cm, xd, pred_id); switch (pred_id) { case PRED_SEG_ID: @@ -188,8 +188,8 @@ const vp8_prob *get_pred_probs(const VP8_COMMON *const cm, // This function returns the status of the given prediction signal. // I.e. is the predicted value for the given signal correct. -unsigned char get_pred_flag(const MACROBLOCKD *const xd, - PRED_ID pred_id) { +unsigned char vp9_get_pred_flag(const MACROBLOCKD *const xd, + PRED_ID pred_id) { unsigned char pred_flag = 0; switch (pred_id) { @@ -216,9 +216,9 @@ unsigned char get_pred_flag(const MACROBLOCKD *const xd, // This function sets the status of the given prediction signal. // I.e. is the predicted value for the given signal correct. -void set_pred_flag(MACROBLOCKD *const xd, - PRED_ID pred_id, - unsigned char pred_flag) { +void vp9_set_pred_flag(MACROBLOCKD *const xd, + PRED_ID pred_id, + unsigned char pred_flag) { switch (pred_id) { case PRED_SEG_ID: xd->mode_info_context->mbmi.seg_id_predicted = pred_flag; @@ -257,14 +257,14 @@ void set_pred_flag(MACROBLOCKD *const xd, // peredict various bitstream signals. // Macroblock segment id prediction function -unsigned char get_pred_mb_segid(const VP8_COMMON *const cm, int MbIndex) { +unsigned char vp9_get_pred_mb_segid(const VP8_COMMON *const cm, int MbIndex) { // Currently the prediction for the macroblock segment ID is // the value stored for this macroblock in the previous frame. return cm->last_frame_seg_map[MbIndex]; } -MV_REFERENCE_FRAME get_pred_ref(const VP8_COMMON *const cm, - const MACROBLOCKD *const xd) { +MV_REFERENCE_FRAME vp9_get_pred_ref(const VP8_COMMON *const cm, + const MACROBLOCKD *const xd) { MODE_INFO *m = xd->mode_info_context; MV_REFERENCE_FRAME left; @@ -335,7 +335,7 @@ MV_REFERENCE_FRAME get_pred_ref(const VP8_COMMON *const cm, // Functions to computes a set of modified reference frame probabilities // to use when the prediction of the reference frame value fails -void calc_ref_probs(int *count, vp8_prob *probs) { +void vp9_calc_ref_probs(int *count, vp8_prob *probs) { int tot_count; tot_count = count[0] + count[1] + count[2] + count[3]; @@ -365,7 +365,7 @@ void calc_ref_probs(int *count, vp8_prob *probs) { // Values willbe set to 0 for reference frame options that are not possible // because wither they were predicted and prediction has failed or because // they are not allowed for a given segment. -void compute_mod_refprobs(VP8_COMMON *const cm) { +void vp9_compute_mod_refprobs(VP8_COMMON *const cm) { int norm_cnt[MAX_REF_FRAMES]; int intra_count; int inter_count; @@ -387,28 +387,28 @@ void compute_mod_refprobs(VP8_COMMON *const cm) { norm_cnt[1] = last_count; norm_cnt[2] = gf_count; norm_cnt[3] = arf_count; - calc_ref_probs(norm_cnt, cm->mod_refprobs[INTRA_FRAME]); + vp9_calc_ref_probs(norm_cnt, cm->mod_refprobs[INTRA_FRAME]); cm->mod_refprobs[INTRA_FRAME][0] = 0; // This branch implicit norm_cnt[0] = intra_count; norm_cnt[1] = 0; norm_cnt[2] = gf_count; norm_cnt[3] = arf_count; - calc_ref_probs(norm_cnt, cm->mod_refprobs[LAST_FRAME]); + vp9_calc_ref_probs(norm_cnt, cm->mod_refprobs[LAST_FRAME]); cm->mod_refprobs[LAST_FRAME][1] = 0; // This branch implicit norm_cnt[0] = intra_count; norm_cnt[1] = last_count; norm_cnt[2] = 0; norm_cnt[3] = arf_count; - calc_ref_probs(norm_cnt, cm->mod_refprobs[GOLDEN_FRAME]); + vp9_calc_ref_probs(norm_cnt, cm->mod_refprobs[GOLDEN_FRAME]); cm->mod_refprobs[GOLDEN_FRAME][2] = 0; // This branch implicit norm_cnt[0] = intra_count; norm_cnt[1] = last_count; norm_cnt[2] = gf_count; norm_cnt[3] = 0; - calc_ref_probs(norm_cnt, cm->mod_refprobs[ALTREF_FRAME]); + vp9_calc_ref_probs(norm_cnt, cm->mod_refprobs[ALTREF_FRAME]); cm->mod_refprobs[ALTREF_FRAME][2] = 0; // This branch implicit // Score the reference frames based on overal frequency. |