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fix(ppa): fix ppa srm potentially get blocked when scaling to YUV420

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YUV420 requires scale_x_frag, scale_y_frag be even
This commit is contained in:
Song Ruo Jing 2025-02-26 17:13:14 +08:00
parent e791f14bc4
commit 8038037b07
1 changed files with 8 additions and 1 deletions
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9
components/esp_driver_ppa/src/ppa_srm.c
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@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
@ -263,6 +263,13 @@ esp_err_t ppa_do_scale_rotate_mirror(ppa_client_handle_t ppa_client, const ppa_s
srm_trans_desc->scale_x_frag = (uint32_t)(srm_trans_desc->scale_x * PPA_LL_SRM_SCALING_FRAG_MAX) & (PPA_LL_SRM_SCALING_FRAG_MAX - 1); srm_trans_desc->scale_x_frag = (uint32_t)(srm_trans_desc->scale_x * PPA_LL_SRM_SCALING_FRAG_MAX) & (PPA_LL_SRM_SCALING_FRAG_MAX - 1);
srm_trans_desc->scale_y_int = (uint32_t)srm_trans_desc->scale_y; srm_trans_desc->scale_y_int = (uint32_t)srm_trans_desc->scale_y;
srm_trans_desc->scale_y_frag = (uint32_t)(srm_trans_desc->scale_y * PPA_LL_SRM_SCALING_FRAG_MAX) & (PPA_LL_SRM_SCALING_FRAG_MAX - 1); srm_trans_desc->scale_y_frag = (uint32_t)(srm_trans_desc->scale_y * PPA_LL_SRM_SCALING_FRAG_MAX) & (PPA_LL_SRM_SCALING_FRAG_MAX - 1);
// SRM processes in blocks. Block x/(y) cannot be scaled to odd number when YUV422/YUV420 is the output color mode
// When block size is 16x16, odd number is possible, so needs to make them even
// When block size is 32x32, calculated frag values are always even
if (config->out.srm_cm == PPA_SRM_COLOR_MODE_YUV420) {
srm_trans_desc->scale_x_frag = srm_trans_desc->scale_x_frag & ~1;
srm_trans_desc->scale_y_frag = srm_trans_desc->scale_y_frag & ~1;
}
srm_trans_desc->alpha_value = new_alpha_value; srm_trans_desc->alpha_value = new_alpha_value;
srm_trans_desc->data_burst_length = ppa_client->data_burst_length; srm_trans_desc->data_burst_length = ppa_client->data_burst_length;