[Libva] [PATCH 30/31] ENC: add Misc parameter check for AVC encoder
Sean V Kelley
seanvk at posteo.de
Tue Jan 10 23:38:12 UTC 2017
From: Pengfei Qu <Pengfei.Qu at intel.com>
Signed-off-by: Pengfei Qu <Pengfei.Qu at intel.com>
Reviewed-by: Sean V Kelley <seanvk at posteo.de>
---
src/gen9_avc_encoder.c | 204 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 204 insertions(+)
diff --git a/src/gen9_avc_encoder.c b/src/gen9_avc_encoder.c
index 7f73c95e..72a8c005 100755
--- a/src/gen9_avc_encoder.c
+++ b/src/gen9_avc_encoder.c
@@ -410,6 +410,210 @@ const gen9_avc_frame_brc_update_curbe_data gen9_avc_frame_brc_update_curbe_init_
},
};
+
+static void
+gen9_avc_update_rate_control_parameters(VADriverContextP ctx,
+ struct intel_encoder_context *encoder_context,
+ VAEncMiscParameterRateControl *misc)
+{
+ struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
+ struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state * )vme_context->generic_enc_state;
+
+ generic_state->max_bit_rate = ALIGN(misc->bits_per_second, 1000) / 1000;
+ generic_state->window_size = misc->window_size;
+
+ if (generic_state->internal_rate_mode == INTEL_BRC_CBR) {
+ generic_state->min_bit_rate = generic_state->max_bit_rate;
+ generic_state->mb_brc_enabled = misc->rc_flags.bits.mb_rate_control;
+
+ if (generic_state->target_bit_rate != generic_state->max_bit_rate) {
+ generic_state->target_bit_rate = generic_state->max_bit_rate;
+ generic_state->brc_need_reset = 1;
+ }
+ } else if (generic_state->internal_rate_mode == INTEL_BRC_VBR) {
+ generic_state->min_bit_rate = generic_state->max_bit_rate * (2 * misc->target_percentage - 100) / 100;
+ generic_state->mb_brc_enabled = misc->rc_flags.bits.mb_rate_control;
+
+ if (generic_state->target_bit_rate != generic_state->max_bit_rate * misc->target_percentage / 100) {
+ generic_state->target_bit_rate = generic_state->max_bit_rate * misc->target_percentage / 100;
+ generic_state->brc_need_reset = 1;
+ }
+ }
+}
+
+static void
+gen9_avc_update_hrd_parameters(VADriverContextP ctx,
+ struct intel_encoder_context *encoder_context,
+ VAEncMiscParameterHRD *misc)
+{
+ struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
+ struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state * )vme_context->generic_enc_state;
+
+ if (generic_state->internal_rate_mode == INTEL_BRC_CQP)
+ return;
+
+ generic_state->vbv_buffer_size_in_bit = misc->buffer_size;
+ generic_state->init_vbv_buffer_fullness_in_bit = misc->initial_buffer_fullness;
+}
+
+static void
+gen9_avc_update_framerate_parameters(VADriverContextP ctx,
+ struct intel_encoder_context *encoder_context,
+ VAEncMiscParameterFrameRate *misc)
+{
+ struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
+ struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state * )vme_context->generic_enc_state;
+
+ generic_state->frames_per_100s = misc->framerate * 100; /* misc->framerate is multiple of 100 */
+ generic_state->frame_rate = misc->framerate ;
+}
+
+static void
+gen9_avc_update_roi_parameters(VADriverContextP ctx,
+ struct intel_encoder_context *encoder_context,
+ VAEncMiscParameterBufferROI *misc)
+{
+ struct encoder_vme_mfc_context * vme_context = (struct encoder_vme_mfc_context *)encoder_context->vme_context;
+ struct generic_enc_codec_state * generic_state = (struct generic_enc_codec_state * )vme_context->generic_enc_state;
+ int i;
+
+ if (!misc || !misc->roi) {
+ generic_state->num_roi = 0;
+ return;
+ }
+
+ generic_state->num_roi = MIN(misc->num_roi, 3);
+ generic_state->max_delta_qp = misc->max_delta_qp;
+ generic_state->min_delta_qp = misc->min_delta_qp;
+
+ for (i = 0; i < generic_state->num_roi; i++) {
+ generic_state->roi[i].left = misc->roi->roi_rectangle.x;
+ generic_state->roi[i].right = generic_state->roi[i].left + misc->roi->roi_rectangle.width;
+ generic_state->roi[i].top = misc->roi->roi_rectangle.y;
+ generic_state->roi[i].bottom = generic_state->roi[i].top + misc->roi->roi_rectangle.height;
+ generic_state->roi[i].value = misc->roi->roi_value;
+
+ generic_state->roi[i].left /= 16;
+ generic_state->roi[i].right /= 16;
+ generic_state->roi[i].top /= 16;
+ generic_state->roi[i].bottom /= 16;
+ }
+}
+
+static void
+gen9_avc_update_misc_parameters(VADriverContextP ctx,
+ struct encode_state *encode_state,
+ struct intel_encoder_context *encoder_context)
+{
+ int i,j;
+ VAEncMiscParameterBuffer *misc_param;
+
+ for (i = 0; i < ARRAY_ELEMS(encode_state->misc_param); i++) {
+ for (j = 0; j < ARRAY_ELEMS(encode_state->misc_param[0]); j++) {
+ if (!encode_state->misc_param[i][j] || !encode_state->misc_param[i][j]->buffer)
+ continue;
+
+ misc_param = (VAEncMiscParameterBuffer *)encode_state->misc_param[i][0]->buffer;
+
+ switch (misc_param->type) {
+ case VAEncMiscParameterTypeFrameRate:
+ gen9_avc_update_framerate_parameters(ctx,
+ encoder_context,
+ (VAEncMiscParameterFrameRate *)misc_param->data);
+ break;
+
+ case VAEncMiscParameterTypeRateControl:
+ gen9_avc_update_rate_control_parameters(ctx,
+ encoder_context,
+ (VAEncMiscParameterRateControl *)misc_param->data);
+ break;
+
+ case VAEncMiscParameterTypeHRD:
+ gen9_avc_update_hrd_parameters(ctx,
+ encoder_context,
+ (VAEncMiscParameterHRD *)misc_param->data);
+ break;
+
+ case VAEncMiscParameterTypeROI:
+ gen9_avc_update_roi_parameters(ctx,
+ encoder_context,
+ (VAEncMiscParameterBufferROI *)misc_param->data);
+ break;
+
+ default:
+ break;
+ }
+ }
+ }
+}
+
+static bool
+intel_avc_get_kernel_header_and_size(void *pvbinary,
+ int binary_size,
+ INTEL_GENERIC_ENC_OPERATION operation,
+ int krnstate_idx,
+ struct i965_kernel *ret_kernel)
+{
+ typedef uint32_t BIN_PTR[4];
+
+ char *bin_start;
+ gen9_avc_encoder_kernel_header *pkh_table;
+ kernel_header *pcurr_header, *pinvalid_entry, *pnext_header;
+ int next_krnoffset;
+
+ if (!pvbinary || !ret_kernel)
+ return false;
+
+ bin_start = (char *)pvbinary;
+ pkh_table = (gen9_avc_encoder_kernel_header *)pvbinary;
+ pinvalid_entry = &(pkh_table->static_detection) + 1;
+ next_krnoffset = binary_size;
+
+ if (operation == INTEL_GENERIC_ENC_SCALING4X)
+ {
+ pcurr_header = &pkh_table->ply_dscale_ply;
+ }
+ else if (operation == INTEL_GENERIC_ENC_SCALING2X)
+ {
+ pcurr_header = &pkh_table->ply_2xdscale_ply;
+ }
+ else if (operation == INTEL_GENERIC_ENC_ME)
+ {
+ pcurr_header = &pkh_table->me_p;
+ }
+ else if (operation == INTEL_GENERIC_ENC_BRC)
+ {
+ pcurr_header = &pkh_table->frame_brc_init;
+ }
+ else if (operation == INTEL_GENERIC_ENC_MBENC)
+ {
+ pcurr_header = &pkh_table->mbenc_quality_I;
+ }
+ else if (operation == INTEL_GENERIC_ENC_WP)
+ {
+ pcurr_header = &pkh_table->wp;
+ }
+ else if (operation == INTEL_GENERIC_ENC_SFD)
+ {
+ pcurr_header = &pkh_table->static_detection;
+ }
+ else
+ {
+ return false;
+ }
+
+ pcurr_header += krnstate_idx;
+ ret_kernel->bin = (const BIN_PTR *)(bin_start + (pcurr_header->kernel_start_pointer << 6));
+
+ pnext_header = (pcurr_header + 1);
+ if (pnext_header < pinvalid_entry)
+ {
+ next_krnoffset = pnext_header->kernel_start_pointer << 6;
+ }
+ ret_kernel->size = next_krnoffset - (pcurr_header->kernel_start_pointer << 6);
+
+ return true;
+}
static void
gen9_free_surfaces_avc(void **data)
{
--
2.11.0
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