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Remove y2dc/ac Q delta values from the bitstream.

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Since there is no Y2, these values are always zero. This changes the
bitstream results slightly, hence a separate commit.

Change-Id: I2f838f184341868f35113ec77ca89da53c4644e0
This commit is contained in:
Ronald S. Bultje
2013-02-15 10:21:26 -08:00
parent 46dff5d233
commit 48598e30b1
4 changed files with 0 additions and 10 deletions
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2
vp9/common/vp9_onyxc_int.h
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@@ -183,8 +183,6 @@ typedef struct VP9Common {
int last_kf_gf_q; /* Q used on the last GF or KF */
int y1dc_delta_q;
int y2dc_delta_q_unused;
int y2ac_delta_q_unused;
int uvdc_delta_q;
int uvac_delta_q;

4
vp9/decoder/vp9_decodframe.c
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@@ -1484,10 +1484,6 @@ int vp9_decode_frame(VP9D_COMP *pbi, const unsigned char **p_data_end) {
q_update = 0;
/* AC 1st order Q = default */
pc->y1dc_delta_q = get_delta_q(&header_bc, pc->y1dc_delta_q, &q_update);
pc->y2dc_delta_q_unused = get_delta_q(&header_bc, pc->y2dc_delta_q_unused,
&q_update);
pc->y2ac_delta_q_unused = get_delta_q(&header_bc, pc->y2ac_delta_q_unused,
&q_update);
pc->uvdc_delta_q = get_delta_q(&header_bc, pc->uvdc_delta_q, &q_update);
pc->uvac_delta_q = get_delta_q(&header_bc, pc->uvac_delta_q, &q_update);

2
vp9/encoder/vp9_bitstream.c
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@@ -1786,8 +1786,6 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
// Transmit Dc, Second order and Uv quantizer delta information
put_delta_q(&header_bc, pc->y1dc_delta_q);
put_delta_q(&header_bc, pc->y2dc_delta_q_unused);
put_delta_q(&header_bc, pc->y2ac_delta_q_unused);
put_delta_q(&header_bc, pc->uvdc_delta_q);
put_delta_q(&header_bc, pc->uvac_delta_q);

2
vp9/encoder/vp9_quantize.c
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@@ -571,10 +571,8 @@ void vp9_set_quantizer(struct VP9_COMP *cpi, int Q) {
// if any of the delta_q values are changing update flag will
// have to be set.
cm->y1dc_delta_q = 0;
cm->y2ac_delta_q_unused = 0;
cm->uvdc_delta_q = 0;
cm->uvac_delta_q = 0;
cm->y2dc_delta_q_unused = 0;
// quantizer has to be reinitialized if any delta_q changes.
// As there are not any here for now this is inactive code.