Merge "Extract setup_frame_size and update_frame_context functions." into experimental
This commit is contained in:
John Koleszar
Gerrit Code Review
Коммит
9ba8aed179
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@ -51,7 +51,7 @@ int vp9_seg_feature_data_max(SEG_LVL_FEATURES feature_id) {
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}
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int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id) {
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return (segfeaturedata_signed[feature_id]);
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return segfeaturedata_signed[feature_id];
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}
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void vp9_clear_segdata(MACROBLOCKD *xd,
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@ -490,7 +490,7 @@ static void read_switchable_interp_probs(VP9D_COMP* const pbi,
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int i, j;
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for (j = 0; j <= VP9_SWITCHABLE_FILTERS; ++j) {
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for (i = 0; i < VP9_SWITCHABLE_FILTERS - 1; ++i) {
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cm->fc.switchable_interp_prob[j][i] = vp9_read_literal(bc, 8);
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cm->fc.switchable_interp_prob[j][i] = vp9_read_prob(bc);
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}
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}
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//printf("DECODER: %d %d\n", cm->fc.switchable_interp_prob[0],
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@ -511,13 +511,13 @@ static void mb_mode_mv_init(VP9D_COMP *pbi, vp9_reader *bc) {
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#if CONFIG_COMP_INTERINTRA_PRED
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if (cm->use_interintra) {
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if (vp9_read(bc, VP9_UPD_INTERINTRA_PROB))
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cm->fc.interintra_prob = (vp9_prob)vp9_read_literal(bc, 8);
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cm->fc.interintra_prob = vp9_read_prob(bc);
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}
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#endif
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// Decode the baseline probabilities for decoding reference frame
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cm->prob_intra_coded = (vp9_prob)vp9_read_literal(bc, 8);
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cm->prob_last_coded = (vp9_prob)vp9_read_literal(bc, 8);
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cm->prob_gf_coded = (vp9_prob)vp9_read_literal(bc, 8);
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cm->prob_intra_coded = vp9_read_prob(bc);
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cm->prob_last_coded = vp9_read_prob(bc);
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cm->prob_gf_coded = vp9_read_prob(bc);
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// Computes a modified set of probabilities for use when reference
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// frame prediction fails.
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@ -529,14 +529,14 @@ static void mb_mode_mv_init(VP9D_COMP *pbi, vp9_reader *bc) {
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if (cm->comp_pred_mode == HYBRID_PREDICTION) {
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int i;
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for (i = 0; i < COMP_PRED_CONTEXTS; i++)
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cm->prob_comppred[i] = (vp9_prob)vp9_read_literal(bc, 8);
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cm->prob_comppred[i] = vp9_read_prob(bc);
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}
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if (vp9_read_bit(bc)) {
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int i = 0;
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do {
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cm->fc.ymode_prob[i] = (vp9_prob) vp9_read_literal(bc, 8);
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cm->fc.ymode_prob[i] = vp9_read_prob(bc);
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} while (++i < VP9_YMODES - 1);
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}
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@ -544,7 +544,7 @@ static void mb_mode_mv_init(VP9D_COMP *pbi, vp9_reader *bc) {
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int i = 0;
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do {
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cm->fc.sb_ymode_prob[i] = (vp9_prob) vp9_read_literal(bc, 8);
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cm->fc.sb_ymode_prob[i] = vp9_read_prob(bc);
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} while (++i < VP9_I32X32_MODES - 1);
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}
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@ -1141,7 +1141,7 @@ void vp9_decode_mode_mvs_init(VP9D_COMP* const pbi, BOOL_DECODER* const bc) {
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if (pbi->common.mb_no_coeff_skip) {
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int k;
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for (k = 0; k < MBSKIP_CONTEXTS; ++k) {
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cm->mbskip_pred_probs[k] = (vp9_prob)vp9_read_literal(bc, 8);
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cm->mbskip_pred_probs[k] = vp9_read_prob(bc);
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}
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}
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@ -44,7 +44,6 @@
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int dec_debug = 0;
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#endif
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static int read_le16(const uint8_t *p) {
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return (p[1] << 8) | p[0];
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}
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@ -1278,61 +1277,51 @@ static void update_frame_size(VP9D_COMP *pbi) {
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vp9_update_mode_info_in_image(cm, cm->mi);
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}
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static void setup_segmentation(VP9_COMMON *pc, MACROBLOCKD *xd,
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BOOL_DECODER *header_bc) {
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static void setup_segmentation(VP9_COMMON *pc, MACROBLOCKD *xd, vp9_reader *r) {
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int i, j;
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// Is segmentation enabled
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xd->segmentation_enabled = vp9_read_bit(header_bc);
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xd->segmentation_enabled = vp9_read_bit(r);
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if (xd->segmentation_enabled) {
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// Read whether or not the segmentation map is being explicitly updated
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// this frame.
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xd->update_mb_segmentation_map = vp9_read_bit(header_bc);
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xd->update_mb_segmentation_map = vp9_read_bit(r);
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// If so what method will be used.
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if (xd->update_mb_segmentation_map) {
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// Which macro block level features are enabled. Read the probs used to
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// decode the segment id for each macro block.
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for (i = 0; i < MB_FEATURE_TREE_PROBS; i++) {
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xd->mb_segment_tree_probs[i] = vp9_read_bit(header_bc) ?
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(vp9_prob)vp9_read_literal(header_bc, 8) : 255;
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xd->mb_segment_tree_probs[i] = vp9_read_bit(r) ? vp9_read_prob(r) : 255;
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}
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// Read the prediction probs needed to decode the segment id
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pc->temporal_update = vp9_read_bit(header_bc);
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pc->temporal_update = vp9_read_bit(r);
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for (i = 0; i < PREDICTION_PROBS; i++) {
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if (pc->temporal_update) {
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pc->segment_pred_probs[i] = vp9_read_bit(header_bc) ?
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(vp9_prob)vp9_read_literal(header_bc, 8) : 255;
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} else {
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pc->segment_pred_probs[i] = 255;
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}
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pc->segment_pred_probs[i] = pc->temporal_update
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? (vp9_read_bit(r) ? vp9_read_prob(r) : 255)
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: 255;
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}
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if (pc->temporal_update) {
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int count[4];
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const vp9_prob *p = xd->mb_segment_tree_probs;
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vp9_prob *p_mod = xd->mb_segment_mispred_tree_probs;
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const int c0 = p[0] * p[1];
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const int c1 = p[0] * (256 - p[1]);
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const int c2 = (256 - p[0]) * p[2];
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const int c3 = (256 - p[0]) * (256 - p[2]);
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count[0] = p[0] * p[1];
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count[1] = p[0] * (256 - p[1]);
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count[2] = (256 - p[0]) * p[2];
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count[3] = (256 - p[0]) * (256 - p[2]);
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p_mod[0] = get_binary_prob(count[1], count[2] + count[3]);
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p_mod[1] = get_binary_prob(count[0], count[2] + count[3]);
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p_mod[2] = get_binary_prob(count[0] + count[1], count[3]);
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p_mod[3] = get_binary_prob(count[0] + count[1], count[2]);
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p_mod[0] = get_binary_prob(c1, c2 + c3);
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p_mod[1] = get_binary_prob(c0, c2 + c3);
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p_mod[2] = get_binary_prob(c0 + c1, c3);
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p_mod[3] = get_binary_prob(c0 + c1, c2);
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}
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}
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// Is the segment data being updated
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xd->update_mb_segmentation_data = vp9_read_bit(header_bc);
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xd->update_mb_segmentation_data = vp9_read_bit(r);
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if (xd->update_mb_segmentation_data) {
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int data;
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xd->mb_segment_abs_delta = vp9_read_bit(header_bc);
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xd->mb_segment_abs_delta = vp9_read_bit(r);
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vp9_clearall_segfeatures(xd);
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@ -1341,16 +1330,15 @@ static void setup_segmentation(VP9_COMMON *pc, MACROBLOCKD *xd,
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// For each of the segments features...
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for (j = 0; j < SEG_LVL_MAX; j++) {
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// Is the feature enabled
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if (vp9_read_bit(header_bc)) {
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if (vp9_read_bit(r)) {
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// Update the feature data and mask
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vp9_enable_segfeature(xd, i, j);
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data = vp9_decode_unsigned_max(header_bc,
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vp9_seg_feature_data_max(j));
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data = vp9_decode_unsigned_max(r, vp9_seg_feature_data_max(j));
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// Is the segment data signed..
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if (vp9_is_segfeature_signed(j)) {
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if (vp9_read_bit(header_bc))
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if (vp9_read_bit(r))
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data = -data;
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}
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} else {
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@ -1364,17 +1352,16 @@ static void setup_segmentation(VP9_COMMON *pc, MACROBLOCKD *xd,
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}
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}
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static void setup_loopfilter(VP9_COMMON *pc, MACROBLOCKD *xd,
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BOOL_DECODER *header_bc) {
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static void setup_loopfilter(VP9_COMMON *pc, MACROBLOCKD *xd, vp9_reader *r) {
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int i;
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pc->filter_type = (LOOPFILTERTYPE) vp9_read_bit(header_bc);
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pc->filter_level = vp9_read_literal(header_bc, 6);
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pc->sharpness_level = vp9_read_literal(header_bc, 3);
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pc->filter_type = (LOOPFILTERTYPE) vp9_read_bit(r);
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pc->filter_level = vp9_read_literal(r, 6);
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pc->sharpness_level = vp9_read_literal(r, 3);
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#if CONFIG_LOOP_DERING
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if (vp9_read_bit(header_bc))
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pc->dering_enabled = 1 + vp9_read_literal(header_bc, 4);
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if (vp9_read_bit(r))
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pc->dering_enabled = 1 + vp9_read_literal(r, 4);
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else
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pc->dering_enabled = 0;
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#endif
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@ -1382,31 +1369,31 @@ static void setup_loopfilter(VP9_COMMON *pc, MACROBLOCKD *xd,
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// Read in loop filter deltas applied at the MB level based on mode or ref
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// frame.
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xd->mode_ref_lf_delta_update = 0;
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xd->mode_ref_lf_delta_enabled = vp9_read_bit(header_bc);
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xd->mode_ref_lf_delta_enabled = vp9_read_bit(r);
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if (xd->mode_ref_lf_delta_enabled) {
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// Do the deltas need to be updated
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xd->mode_ref_lf_delta_update = vp9_read_bit(header_bc);
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xd->mode_ref_lf_delta_update = vp9_read_bit(r);
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if (xd->mode_ref_lf_delta_update) {
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// Send update
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for (i = 0; i < MAX_REF_LF_DELTAS; i++) {
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if (vp9_read_bit(header_bc)) {
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// sign = vp9_read_bit( &header_bc );
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xd->ref_lf_deltas[i] = (signed char)vp9_read_literal(header_bc, 6);
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if (vp9_read_bit(r)) {
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// sign = vp9_read_bit(r);
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xd->ref_lf_deltas[i] = vp9_read_literal(r, 6);
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if (vp9_read_bit(header_bc))
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if (vp9_read_bit(r))
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xd->ref_lf_deltas[i] = -xd->ref_lf_deltas[i]; // Apply sign
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}
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}
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// Send update
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for (i = 0; i < MAX_MODE_LF_DELTAS; i++) {
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if (vp9_read_bit(header_bc)) {
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// sign = vp9_read_bit( &header_bc );
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xd->mode_lf_deltas[i] = (signed char)vp9_read_literal(header_bc, 6);
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if (vp9_read_bit(r)) {
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// sign = vp9_read_bit(r);
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xd->mode_lf_deltas[i] = vp9_read_literal(r, 6);
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if (vp9_read_bit(header_bc))
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if (vp9_read_bit(r))
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xd->mode_lf_deltas[i] = -xd->mode_lf_deltas[i]; // Apply sign
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}
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}
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@ -1414,6 +1401,124 @@ static void setup_loopfilter(VP9_COMMON *pc, MACROBLOCKD *xd,
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}
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}
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static const uint8_t *setup_frame_size(VP9D_COMP *pbi, int scaling_active,
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const uint8_t *data,
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const uint8_t *data_end) {
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VP9_COMMON *const pc = &pbi->common;
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const int width = pc->width;
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const int height = pc->height;
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// If error concealment is enabled we should only parse the new size
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// if we have enough data. Otherwise we will end up with the wrong size.
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if (scaling_active && data + 4 < data_end) {
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pc->display_width = read_le16(data + 0);
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pc->display_height = read_le16(data + 2);
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data += 4;
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}
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if (data + 4 < data_end) {
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pc->width = read_le16(data + 0);
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pc->height = read_le16(data + 2);
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data += 4;
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}
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if (!scaling_active) {
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pc->display_width = pc->width;
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pc->display_height = pc->height;
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}
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if (width != pc->width || height != pc->height) {
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if (pc->width <= 0) {
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pc->width = width;
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vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
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"Invalid frame width");
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}
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if (pc->height <= 0) {
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pc->height = height;
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vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
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"Invalid frame height");
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}
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if (!pbi->initial_width || !pbi->initial_height) {
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if (vp9_alloc_frame_buffers(pc, pc->width, pc->height))
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vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
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"Failed to allocate frame buffers");
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pbi->initial_width = pc->width;
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pbi->initial_height = pc->height;
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}
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if (pc->width > pbi->initial_width) {
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vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
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"Frame width too large");
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}
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if (pc->height > pbi->initial_height) {
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vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
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"Frame height too large");
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}
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update_frame_size(pbi);
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}
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return data;
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}
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static void update_frame_context(VP9D_COMP *pbi, vp9_reader *r) {
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FRAME_CONTEXT *const fc = &pbi->common.fc;
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vp9_copy(fc->pre_coef_probs_4x4, fc->coef_probs_4x4);
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vp9_copy(fc->pre_coef_probs_8x8, fc->coef_probs_8x8);
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vp9_copy(fc->pre_coef_probs_16x16, fc->coef_probs_16x16);
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vp9_copy(fc->pre_coef_probs_32x32, fc->coef_probs_32x32);
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vp9_copy(fc->pre_ymode_prob, fc->ymode_prob);
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vp9_copy(fc->pre_sb_ymode_prob, fc->sb_ymode_prob);
|
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vp9_copy(fc->pre_uv_mode_prob, fc->uv_mode_prob);
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vp9_copy(fc->pre_bmode_prob, fc->bmode_prob);
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vp9_copy(fc->pre_i8x8_mode_prob, fc->i8x8_mode_prob);
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vp9_copy(fc->pre_sub_mv_ref_prob, fc->sub_mv_ref_prob);
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vp9_copy(fc->pre_mbsplit_prob, fc->mbsplit_prob);
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fc->pre_nmvc = fc->nmvc;
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vp9_zero(fc->coef_counts_4x4);
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vp9_zero(fc->coef_counts_8x8);
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vp9_zero(fc->coef_counts_16x16);
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vp9_zero(fc->coef_counts_32x32);
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vp9_zero(fc->eob_branch_counts);
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vp9_zero(fc->ymode_counts);
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vp9_zero(fc->sb_ymode_counts);
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vp9_zero(fc->uv_mode_counts);
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vp9_zero(fc->bmode_counts);
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vp9_zero(fc->i8x8_mode_counts);
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vp9_zero(fc->sub_mv_ref_counts);
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vp9_zero(fc->mbsplit_counts);
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vp9_zero(fc->NMVcount);
|
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vp9_zero(fc->mv_ref_ct);
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#if CONFIG_COMP_INTERINTRA_PRED
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fc->pre_interintra_prob = fc->interintra_prob;
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vp9_zero(fc->interintra_counts);
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#endif
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#if CONFIG_CODE_NONZEROCOUNT
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vp9_copy(fc->pre_nzc_probs_4x4, fc->nzc_probs_4x4);
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vp9_copy(fc->pre_nzc_probs_8x8, fc->nzc_probs_8x8);
|
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vp9_copy(fc->pre_nzc_probs_16x16, fc->nzc_probs_16x16);
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vp9_copy(fc->pre_nzc_probs_32x32, fc->nzc_probs_32x32);
|
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vp9_copy(fc->pre_nzc_pcat_probs, fc->nzc_pcat_probs);
|
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|
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vp9_zero(fc->nzc_counts_4x4);
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vp9_zero(fc->nzc_counts_8x8);
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vp9_zero(fc->nzc_counts_16x16);
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vp9_zero(fc->nzc_counts_32x32);
|
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vp9_zero(fc->nzc_pcat_counts);
|
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#endif
|
||||
|
||||
read_coef_probs(pbi, r);
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||||
#if CONFIG_CODE_NONZEROCOUNT
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||||
read_nzc_probs(&pbi->common, r);
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||||
#endif
|
||||
}
|
||||
|
||||
int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
||||
BOOL_DECODER header_bc, residual_bc;
|
||||
|
|
@ -1425,8 +1530,8 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
int mb_row, i, corrupt_tokens = 0;
|
||||
|
||||
// printf("Decoding frame %d\n", pc->current_video_frame);
|
||||
/* start with no corruption of current frame */
|
||||
xd->corrupted = 0;
|
||||
|
||||
xd->corrupted = 0; // start with no corruption of current frame
|
||||
pc->yv12_fb[pc->new_fb_idx].corrupted = 0;
|
||||
|
||||
if (data_end - data < 3) {
|
||||
|
|
@ -1449,10 +1554,8 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
vp9_setup_version(pc);
|
||||
|
||||
if (pc->frame_type == KEY_FRAME) {
|
||||
/* vet via sync code */
|
||||
/* When error concealment is enabled we should only check the sync
|
||||
* code if we have enough bits available
|
||||
*/
|
||||
// When error concealment is enabled we should only check the sync
|
||||
// code if we have enough bits available
|
||||
if (data + 3 < data_end) {
|
||||
if (data[0] != 0x9d || data[1] != 0x01 || data[2] != 0x2a)
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_UNSUP_BITSTREAM,
|
||||
|
|
@ -1460,63 +1563,8 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
}
|
||||
data += 3;
|
||||
}
|
||||
{
|
||||
const int width = pc->width;
|
||||
const int height = pc->height;
|
||||
|
||||
/* If error concealment is enabled we should only parse the new size
|
||||
* if we have enough data. Otherwise we will end up with the wrong
|
||||
* size.
|
||||
*/
|
||||
if (scaling_active && data + 4 < data_end) {
|
||||
pc->display_width = read_le16(data + 0);
|
||||
pc->display_height = read_le16(data + 2);
|
||||
data += 4;
|
||||
}
|
||||
if (data + 4 < data_end) {
|
||||
pc->width = read_le16(data + 0);
|
||||
pc->height = read_le16(data + 2);
|
||||
data += 4;
|
||||
}
|
||||
if (!scaling_active) {
|
||||
pc->display_width = pc->width;
|
||||
pc->display_height = pc->height;
|
||||
}
|
||||
|
||||
if (width != pc->width || height != pc->height) {
|
||||
if (pc->width <= 0) {
|
||||
pc->width = width;
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
|
||||
"Invalid frame width");
|
||||
}
|
||||
|
||||
if (pc->height <= 0) {
|
||||
pc->height = height;
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
|
||||
"Invalid frame height");
|
||||
}
|
||||
|
||||
if (!pbi->initial_width || !pbi->initial_height) {
|
||||
if (vp9_alloc_frame_buffers(pc, pc->width, pc->height))
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
|
||||
"Failed to allocate frame buffers");
|
||||
pbi->initial_width = pc->width;
|
||||
pbi->initial_height = pc->height;
|
||||
}
|
||||
|
||||
if (pc->width > pbi->initial_width) {
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
|
||||
"Frame width too large");
|
||||
}
|
||||
|
||||
if (pc->height > pbi->initial_height) {
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
|
||||
"Frame height too large");
|
||||
}
|
||||
|
||||
update_frame_size(pbi);
|
||||
}
|
||||
}
|
||||
data = setup_frame_size(pbi, scaling_active, data, data_end);
|
||||
}
|
||||
|
||||
if ((!pbi->decoded_key_frame && pc->frame_type != KEY_FRAME) ||
|
||||
|
|
@ -1526,7 +1574,7 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
|
||||
init_frame(pbi);
|
||||
|
||||
/* Reset the frame pointers to the current frame size */
|
||||
// Reset the frame pointers to the current frame size
|
||||
vp8_yv12_realloc_frame_buffer(&pc->yv12_fb[pc->new_fb_idx],
|
||||
pc->width, pc->height,
|
||||
VP9BORDERINPIXELS);
|
||||
|
|
@ -1535,9 +1583,9 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
(unsigned int)first_partition_length_in_bytes))
|
||||
vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
|
||||
"Failed to allocate bool decoder 0");
|
||||
pc->clr_type = (YUV_TYPE)vp9_read_bit(&header_bc);
|
||||
pc->clamp_type = (CLAMP_TYPE)vp9_read_bit(&header_bc);
|
||||
|
||||
pc->clr_type = (YUV_TYPE)vp9_read_bit(&header_bc);
|
||||
pc->clamp_type = (CLAMP_TYPE)vp9_read_bit(&header_bc);
|
||||
pc->error_resilient_mode = vp9_read_bit(&header_bc);
|
||||
|
||||
setup_segmentation(pc, xd, &header_bc);
|
||||
|
|
@ -1552,25 +1600,25 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
} else {
|
||||
for (i = 0; i < PREDICTION_PROBS; i++) {
|
||||
if (vp9_read_bit(&header_bc))
|
||||
pc->ref_pred_probs[i] = (vp9_prob)vp9_read_literal(&header_bc, 8);
|
||||
pc->ref_pred_probs[i] = vp9_read_prob(&header_bc);
|
||||
}
|
||||
}
|
||||
|
||||
pc->sb64_coded = vp9_read_literal(&header_bc, 8);
|
||||
pc->sb32_coded = vp9_read_literal(&header_bc, 8);
|
||||
pc->sb64_coded = vp9_read_prob(&header_bc);
|
||||
pc->sb32_coded = vp9_read_prob(&header_bc);
|
||||
xd->lossless = vp9_read_bit(&header_bc);
|
||||
if (xd->lossless) {
|
||||
pc->txfm_mode = ONLY_4X4;
|
||||
} else {
|
||||
// Read the loop filter level and type
|
||||
pc->txfm_mode = vp9_read_literal(&header_bc, 2);
|
||||
if (pc->txfm_mode == 3)
|
||||
if (pc->txfm_mode == ALLOW_32X32)
|
||||
pc->txfm_mode += vp9_read_bit(&header_bc);
|
||||
|
||||
if (pc->txfm_mode == TX_MODE_SELECT) {
|
||||
pc->prob_tx[0] = vp9_read_literal(&header_bc, 8);
|
||||
pc->prob_tx[1] = vp9_read_literal(&header_bc, 8);
|
||||
pc->prob_tx[2] = vp9_read_literal(&header_bc, 8);
|
||||
pc->prob_tx[0] = vp9_read_prob(&header_bc);
|
||||
pc->prob_tx[1] = vp9_read_prob(&header_bc);
|
||||
pc->prob_tx[2] = vp9_read_prob(&header_bc);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1596,22 +1644,20 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
mb_init_dequantizer(pbi, &pbi->mb);
|
||||
}
|
||||
|
||||
/* Determine if the golden frame or ARF buffer should be updated and how.
|
||||
* For all non key frames the GF and ARF refresh flags and sign bias
|
||||
* flags must be set explicitly.
|
||||
*/
|
||||
// Determine if the golden frame or ARF buffer should be updated and how.
|
||||
// For all non key frames the GF and ARF refresh flags and sign bias
|
||||
// flags must be set explicitly.
|
||||
if (pc->frame_type == KEY_FRAME) {
|
||||
pc->active_ref_idx[0] = pc->new_fb_idx;
|
||||
pc->active_ref_idx[1] = pc->new_fb_idx;
|
||||
pc->active_ref_idx[2] = pc->new_fb_idx;
|
||||
} else {
|
||||
/* Should the GF or ARF be updated from the current frame */
|
||||
// Should the GF or ARF be updated from the current frame
|
||||
pbi->refresh_frame_flags = vp9_read_literal(&header_bc, NUM_REF_FRAMES);
|
||||
|
||||
/* Select active reference frames */
|
||||
// Select active reference frames
|
||||
for (i = 0; i < 3; i++) {
|
||||
int ref_frame_num = vp9_read_literal(&header_bc, NUM_REF_FRAMES_LG2);
|
||||
|
||||
pc->active_ref_idx[i] = pc->ref_frame_map[ref_frame_num];
|
||||
}
|
||||
|
||||
|
|
@ -1619,16 +1665,17 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
pc->ref_frame_sign_bias[ALTREF_FRAME] = vp9_read_bit(&header_bc);
|
||||
|
||||
// Is high precision mv allowed
|
||||
xd->allow_high_precision_mv = (unsigned char)vp9_read_bit(&header_bc);
|
||||
xd->allow_high_precision_mv = vp9_read_bit(&header_bc);
|
||||
|
||||
// Read the type of subpel filter to use
|
||||
pc->mcomp_filter_type = vp9_read_bit(&header_bc) ? SWITCHABLE :
|
||||
vp9_read_literal(&header_bc, 2);
|
||||
pc->mcomp_filter_type = vp9_read_bit(&header_bc)
|
||||
? SWITCHABLE
|
||||
: vp9_read_literal(&header_bc, 2);
|
||||
|
||||
#if CONFIG_COMP_INTERINTRA_PRED
|
||||
pc->use_interintra = vp9_read_bit(&header_bc);
|
||||
#endif
|
||||
/* To enable choice of different interploation filters */
|
||||
// To enable choice of different interploation filters
|
||||
vp9_setup_interp_filters(xd, pc->mcomp_filter_type, pc);
|
||||
}
|
||||
|
||||
|
|
@ -1649,8 +1696,7 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
for (i = 0; i < INTER_MODE_CONTEXTS; i++) {
|
||||
for (j = 0; j < 4; j++) {
|
||||
if (vp9_read(&header_bc, 252)) {
|
||||
pc->fc.vp9_mode_contexts[i][j] =
|
||||
(vp9_prob)vp9_read_literal(&header_bc, 8);
|
||||
pc->fc.vp9_mode_contexts[i][j] = vp9_read_prob(&header_bc);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1675,8 +1721,7 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
// Read any updates to probabilities
|
||||
for (j = 0; j < MAX_MV_REF_CANDIDATES - 1; ++j) {
|
||||
if (vp9_read(&header_bc, VP9_MVREF_UPDATE_PROB)) {
|
||||
xd->mb_mv_ref_probs[i][j] =
|
||||
(vp9_prob)vp9_read_literal(&header_bc, 8);
|
||||
xd->mb_mv_ref_probs[i][j] = vp9_read_prob(&header_bc);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1693,69 +1738,9 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
|
|||
fclose(z);
|
||||
}
|
||||
|
||||
vp9_copy(pbi->common.fc.pre_coef_probs_4x4,
|
||||
pbi->common.fc.coef_probs_4x4);
|
||||
vp9_copy(pbi->common.fc.pre_coef_probs_8x8,
|
||||
pbi->common.fc.coef_probs_8x8);
|
||||
vp9_copy(pbi->common.fc.pre_coef_probs_16x16,
|
||||
pbi->common.fc.coef_probs_16x16);
|
||||
vp9_copy(pbi->common.fc.pre_coef_probs_32x32,
|
||||
pbi->common.fc.coef_probs_32x32);
|
||||
vp9_copy(pbi->common.fc.pre_ymode_prob, pbi->common.fc.ymode_prob);
|
||||
vp9_copy(pbi->common.fc.pre_sb_ymode_prob, pbi->common.fc.sb_ymode_prob);
|
||||
vp9_copy(pbi->common.fc.pre_uv_mode_prob, pbi->common.fc.uv_mode_prob);
|
||||
vp9_copy(pbi->common.fc.pre_bmode_prob, pbi->common.fc.bmode_prob);
|
||||
vp9_copy(pbi->common.fc.pre_i8x8_mode_prob, pbi->common.fc.i8x8_mode_prob);
|
||||
vp9_copy(pbi->common.fc.pre_sub_mv_ref_prob, pbi->common.fc.sub_mv_ref_prob);
|
||||
vp9_copy(pbi->common.fc.pre_mbsplit_prob, pbi->common.fc.mbsplit_prob);
|
||||
#if CONFIG_COMP_INTERINTRA_PRED
|
||||
pbi->common.fc.pre_interintra_prob = pbi->common.fc.interintra_prob;
|
||||
#endif
|
||||
pbi->common.fc.pre_nmvc = pbi->common.fc.nmvc;
|
||||
#if CONFIG_CODE_NONZEROCOUNT
|
||||
vp9_copy(pbi->common.fc.pre_nzc_probs_4x4,
|
||||
pbi->common.fc.nzc_probs_4x4);
|
||||
vp9_copy(pbi->common.fc.pre_nzc_probs_8x8,
|
||||
pbi->common.fc.nzc_probs_8x8);
|
||||
vp9_copy(pbi->common.fc.pre_nzc_probs_16x16,
|
||||
pbi->common.fc.nzc_probs_16x16);
|
||||
vp9_copy(pbi->common.fc.pre_nzc_probs_32x32,
|
||||
pbi->common.fc.nzc_probs_32x32);
|
||||
vp9_copy(pbi->common.fc.pre_nzc_pcat_probs,
|
||||
pbi->common.fc.nzc_pcat_probs);
|
||||
#endif
|
||||
update_frame_context(pbi, &header_bc);
|
||||
|
||||
vp9_zero(pbi->common.fc.coef_counts_4x4);
|
||||
vp9_zero(pbi->common.fc.coef_counts_8x8);
|
||||
vp9_zero(pbi->common.fc.coef_counts_16x16);
|
||||
vp9_zero(pbi->common.fc.coef_counts_32x32);
|
||||
vp9_zero(pbi->common.fc.eob_branch_counts);
|
||||
vp9_zero(pbi->common.fc.ymode_counts);
|
||||
vp9_zero(pbi->common.fc.sb_ymode_counts);
|
||||
vp9_zero(pbi->common.fc.uv_mode_counts);
|
||||
vp9_zero(pbi->common.fc.bmode_counts);
|
||||
vp9_zero(pbi->common.fc.i8x8_mode_counts);
|
||||
vp9_zero(pbi->common.fc.sub_mv_ref_counts);
|
||||
vp9_zero(pbi->common.fc.mbsplit_counts);
|
||||
vp9_zero(pbi->common.fc.NMVcount);
|
||||
vp9_zero(pbi->common.fc.mv_ref_ct);
|
||||
#if CONFIG_COMP_INTERINTRA_PRED
|
||||
vp9_zero(pbi->common.fc.interintra_counts);
|
||||
#endif
|
||||
#if CONFIG_CODE_NONZEROCOUNT
|
||||
vp9_zero(pbi->common.fc.nzc_counts_4x4);
|
||||
vp9_zero(pbi->common.fc.nzc_counts_8x8);
|
||||
vp9_zero(pbi->common.fc.nzc_counts_16x16);
|
||||
vp9_zero(pbi->common.fc.nzc_counts_32x32);
|
||||
vp9_zero(pbi->common.fc.nzc_pcat_counts);
|
||||
#endif
|
||||
|
||||
read_coef_probs(pbi, &header_bc);
|
||||
#if CONFIG_CODE_NONZEROCOUNT
|
||||
read_nzc_probs(&pbi->common, &header_bc);
|
||||
#endif
|
||||
|
||||
/* Initialize xd pointers. Any reference should do for xd->pre, so use 0. */
|
||||
// Initialize xd pointers. Any reference should do for xd->pre, so use 0.
|
||||
vpx_memcpy(&xd->pre, &pc->yv12_fb[pc->active_ref_idx[0]],
|
||||
sizeof(YV12_BUFFER_CONFIG));
|
||||
vpx_memcpy(&xd->dst, &pc->yv12_fb[pc->new_fb_idx],
|
||||
|
|
|
|||
|
|
@ -19,10 +19,10 @@ typedef BOOL_DECODER vp9_reader;
|
|||
|
||||
#define vp9_read decode_bool
|
||||
#define vp9_read_literal decode_value
|
||||
#define vp9_read_bit(R) vp9_read(R, vp9_prob_half)
|
||||
|
||||
/* Intent of tree data structure is to make decoding trivial. */
|
||||
#define vp9_read_bit(r) vp9_read(r, vp9_prob_half)
|
||||
#define vp9_read_prob(r) ((vp9_prob)vp9_read_literal(r, 8))
|
||||
|
||||
// Intent of tree data structure is to make decoding trivial.
|
||||
static int treed_read(vp9_reader *const r, /* !!! must return a 0 or 1 !!! */
|
||||
vp9_tree t,
|
||||
const vp9_prob *const p) {
|
||||
|
|
|
|||
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