[Libva] [Libva-intel-driver][PATCH v2 07/18] Remove unused fields and code in H.264/VP8 BRC
Xiang, Haihao
haihao.xiang at intel.com
Thu Sep 8 14:44:54 UTC 2016
H.264 and VP8 share some data structures
v2: rebased
Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
---
src/gen6_mfc.h | 6 ------
src/gen6_mfc_common.c | 29 +++--------------------------
src/gen8_mfc.c | 35 +++--------------------------------
3 files changed, 6 insertions(+), 64 deletions(-)
diff --git a/src/gen6_mfc.h b/src/gen6_mfc.h
index 702596b..3faaed8 100644
--- a/src/gen6_mfc.h
+++ b/src/gen6_mfc.h
@@ -220,16 +220,11 @@ struct gen6_mfc_context
unsigned int QpPrimeY;
unsigned int MaxQpNegModifier;
unsigned int MaxQpPosModifier;
- unsigned char MaxSizeInWord;
- unsigned char TargetSizeInWord;
unsigned char Correct[6];
unsigned char GrowInit;
unsigned char GrowResistance;
unsigned char ShrinkInit;
unsigned char ShrinkResistance;
-
- unsigned int target_mb_size;
- unsigned int target_frame_size;
} bit_rate_control_context[3]; //INTERNAL: for I, P, B frames
struct {
@@ -257,7 +252,6 @@ struct gen6_mfc_context
//HRD control context
struct {
int i_bit_rate_value;
- int i_cpb_size_value;
int i_initial_cpb_removal_delay;
int i_cpb_removal_delay;
diff --git a/src/gen6_mfc_common.c b/src/gen6_mfc_common.c
index 8039c77..8607ecd 100644
--- a/src/gen6_mfc_common.c
+++ b/src/gen6_mfc_common.c
@@ -71,20 +71,8 @@ intel_mfc_bit_rate_control_context_init(struct encode_state *encode_state,
struct intel_encoder_context *encoder_context)
{
struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
- int width_in_mbs = WIDTH_IN_MACROBLOCKS(encoder_context->frame_width_in_pixel);
- int height_in_mbs = HEIGHT_IN_MACROBLOCKS(encoder_context->frame_height_in_pixel);
- float fps = encoder_context->brc.framerate_per_100s / 100.0;
- int inter_mb_size = encoder_context->brc.bits_per_second * 1.0 / (fps+4.0) / width_in_mbs / height_in_mbs;
- int intra_mb_size = inter_mb_size * 5.0;
int i;
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_mb_size = intra_mb_size;
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_frame_size = intra_mb_size * width_in_mbs * height_in_mbs;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_mb_size = inter_mb_size;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
- mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_mb_size = inter_mb_size;
- mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
-
for(i = 0 ; i < 3; i++) {
mfc_context->bit_rate_control_context[i].QpPrimeY = 26;
mfc_context->bit_rate_control_context[i].MaxQpNegModifier = 6;
@@ -101,14 +89,6 @@ intel_mfc_bit_rate_control_context_init(struct encode_state *encode_state,
mfc_context->bit_rate_control_context[i].Correct[4] = 4;
mfc_context->bit_rate_control_context[i].Correct[5] = 8;
}
-
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord = (intra_mb_size + 16)/ 16;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord = (inter_mb_size + 16)/ 16;
- mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord = (inter_mb_size + 16)/ 16;
-
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord * 1.5;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord * 1.5;
- mfc_context->bit_rate_control_context[SLICE_TYPE_B].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord * 1.5;
}
static void intel_mfc_brc_init(struct encode_state *encode_state,
@@ -317,8 +297,7 @@ static void intel_mfc_hrd_context_init(struct encode_state *encode_state,
// current we only support CBR mode.
if (rate_control_mode == VA_RC_CBR) {
mfc_context->vui_hrd.i_bit_rate_value = target_bit_rate >> 10;
- mfc_context->vui_hrd.i_cpb_size_value = (target_bit_rate * 8) >> 10;
- mfc_context->vui_hrd.i_initial_cpb_removal_delay = mfc_context->vui_hrd.i_cpb_size_value * 0.5 * 1024 / target_bit_rate * 90000;
+ mfc_context->vui_hrd.i_initial_cpb_removal_delay = ((target_bit_rate * 8) >> 10) * 0.5 * 1024 / target_bit_rate * 90000;
mfc_context->vui_hrd.i_cpb_removal_delay = 2;
mfc_context->vui_hrd.i_frame_number = 0;
@@ -362,7 +341,6 @@ void intel_mfc_brc_prepare(struct encode_state *encode_state,
struct intel_encoder_context *encoder_context)
{
unsigned int rate_control_mode = encoder_context->rate_control_mode;
- struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
if (encoder_context->codec != CODEC_H264 &&
encoder_context->codec != CODEC_H264_MVC)
@@ -370,14 +348,13 @@ void intel_mfc_brc_prepare(struct encode_state *encode_state,
if (rate_control_mode == VA_RC_CBR) {
/*Programing bit rate control */
- if ((mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord == 0) ||
- encoder_context->brc.need_reset) {
+ if (encoder_context->brc.need_reset) {
intel_mfc_bit_rate_control_context_init(encode_state, encoder_context);
intel_mfc_brc_init(encode_state, encoder_context);
}
/*Programing HRD control */
- if ((mfc_context->vui_hrd.i_cpb_size_value == 0) || encoder_context->brc.need_reset)
+ if (encoder_context->brc.need_reset)
intel_mfc_hrd_context_init(encode_state, encoder_context);
}
}
diff --git a/src/gen8_mfc.c b/src/gen8_mfc.c
index fc11e63..409259b 100644
--- a/src/gen8_mfc.c
+++ b/src/gen8_mfc.c
@@ -3319,31 +3319,6 @@ static int gen8_mfc_vp8_qindex_estimate(struct encode_state *encode_state,
return target_qindex;
}
-static void
-gen8_mfc_vp8_bit_rate_control_context_init(struct encode_state *encode_state,
- struct gen6_mfc_context *mfc_context)
-{
- VAEncSequenceParameterBufferVP8 *seq_param = (VAEncSequenceParameterBufferVP8 *)encode_state->seq_param_ext->buffer;
- VAEncMiscParameterBuffer *misc_param_frame_rate_buffer = (VAEncMiscParameterBuffer*)encode_state->misc_param[VAEncMiscParameterTypeFrameRate]->buffer;
- VAEncMiscParameterFrameRate* param_frame_rate = (VAEncMiscParameterFrameRate*)misc_param_frame_rate_buffer->data;
- int width_in_mbs = ALIGN(seq_param->frame_width, 16) / 16;
- int height_in_mbs = ALIGN(seq_param->frame_height, 16) / 16;
- float fps = param_frame_rate->framerate;
- int inter_mb_size = seq_param->bits_per_second * 1.0 / (fps+4.0) / width_in_mbs / height_in_mbs;
- int intra_mb_size = inter_mb_size * 5.0;
-
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_mb_size = intra_mb_size;
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_frame_size = intra_mb_size * width_in_mbs * height_in_mbs;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_mb_size = inter_mb_size;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
-
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord = (intra_mb_size + 16)/ 16;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord = (inter_mb_size + 16)/ 16;
-
- mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord * 1.5;
- mfc_context->bit_rate_control_context[SLICE_TYPE_P].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord * 1.5;
-}
-
static void gen8_mfc_vp8_brc_init(struct encode_state *encode_state,
struct intel_encoder_context* encoder_context)
{
@@ -3516,8 +3491,7 @@ static void gen8_mfc_vp8_hrd_context_init(struct encode_state *encode_state,
// current we only support CBR mode.
if (rate_control_mode == VA_RC_CBR) {
mfc_context->vui_hrd.i_bit_rate_value = target_bit_rate >> 10;
- mfc_context->vui_hrd.i_cpb_size_value = (target_bit_rate * 8) >> 10;
- mfc_context->vui_hrd.i_initial_cpb_removal_delay = mfc_context->vui_hrd.i_cpb_size_value * 0.5 * 1024 / target_bit_rate * 90000;
+ mfc_context->vui_hrd.i_initial_cpb_removal_delay = ((target_bit_rate * 8) >> 10) * 0.5 * 1024 / target_bit_rate * 90000;
mfc_context->vui_hrd.i_cpb_removal_delay = 2;
mfc_context->vui_hrd.i_frame_number = 0;
@@ -3577,7 +3551,6 @@ static void gen8_mfc_vp8_brc_prepare(struct encode_state *encode_state,
struct intel_encoder_context *encoder_context)
{
unsigned int rate_control_mode = encoder_context->rate_control_mode;
- struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
if (rate_control_mode == VA_RC_CBR) {
bool brc_updated;
@@ -3586,14 +3559,12 @@ static void gen8_mfc_vp8_brc_prepare(struct encode_state *encode_state,
brc_updated = gen8_mfc_vp8_brc_updated_check(encode_state, encoder_context);
/*Programing bit rate control */
- if ((mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord == 0) ||
- brc_updated) {
- gen8_mfc_vp8_bit_rate_control_context_init(encode_state, mfc_context);
+ if (brc_updated) {
gen8_mfc_vp8_brc_init(encode_state, encoder_context);
}
/*Programing HRD control */
- if ((mfc_context->vui_hrd.i_cpb_size_value == 0) || brc_updated )
+ if (brc_updated)
gen8_mfc_vp8_hrd_context_init(encode_state, encoder_context);
}
}
--
1.9.1
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