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rgb_lcd: support yuv converter

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morris
2022-08-06 12:44:52 +08:00
parent 104b9c3fb1
commit fc1aa2848b
15 changed files with 345 additions and 11 deletions
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35
components/esp_lcd/include/esp_lcd_panel_rgb.h
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@@ -115,7 +115,7 @@ typedef struct {
lcd_clock_source_t clk_src; /*!< Clock source for the RGB LCD peripheral */
esp_lcd_rgb_timing_t timings; /*!< RGB timing parameters, including the screen resolution */
size_t data_width; /*!< Number of data lines */
size_t bits_per_pixel; /*!< Color depth, in bpp, specially, if set to zero, it will default to `data_width`.
size_t bits_per_pixel; /*!< Frame buffer color depth, in bpp, specially, if set to zero, it will default to `data_width`.
When using a Serial RGB interface, this value could be different from `data_width` */
size_t bounce_buffer_size_px; /*!< If it's non-zero, the driver allocates two DRAM bounce buffers for DMA use.
DMA fetching from DRAM bounce buffer is much faster than PSRAM frame buffer. */
@@ -209,6 +209,39 @@ esp_err_t esp_lcd_rgb_panel_get_frame_buffer(esp_lcd_panel_handle_t panel, uint3
*/
esp_err_t esp_lcd_rgb_panel_refresh(esp_lcd_panel_handle_t panel);
/**
* @brief LCD color conversion profile
*/
typedef struct {
lcd_color_space_t color_space; /*!< Color space of the image */
lcd_color_range_t color_range; /*!< Color range of the image */
lcd_yuv_sample_t yuv_sample; /*!< YUV sample format of the image */
} esp_lcd_color_conv_profile_t;
/**
* @brief Configuration of YUG-RGB conversion
*/
typedef struct {
lcd_yuv_conv_std_t std; /*!< YUV conversion standard: BT601, BT709 */
esp_lcd_color_conv_profile_t src; /*!< Color conversion profile of the input image */
esp_lcd_color_conv_profile_t dst; /*!< Color conversion profile of the output image */
} esp_lcd_yuv_conv_config_t;
/**
* @brief Configure how to convert the color format between RGB and YUV
*
* @note Pass in `config` as NULL will disable the RGB-YUV converter.
* @note The hardware converter can only parse a "packed" storage format, while "planar" and "semi-planar" format is not supported.
*
* @param[in] panel LCD panel handle, returned from `esp_lcd_new_rgb_panel`
* @param[in] config Configuration of RGB-YUV conversion
* @return
* - ESP_ERR_INVALID_ARG: Configure RGB-YUV conversion failed because of invalid argument
* - ESP_ERR_NOT_SUPPORTED: Configure RGB-YUV conversion failed because the conversion mode is not supported by the hardware
* - ESP_OK: Configure RGB-YUV conversion successfully
*/
esp_err_t esp_lcd_rgb_panel_set_yuv_conversion(esp_lcd_panel_handle_t panel, const esp_lcd_yuv_conv_config_t *config);
#endif // SOC_LCD_RGB_SUPPORTED
#ifdef __cplusplus