diff options
Diffstat (limited to 'main')
| -rw-r--r-- | main/display.c | 8 | ||||
| -rw-r--r-- | main/display.h | 11 | ||||
| -rw-r--r-- | main/http_api.c | 19 | ||||
| -rw-r--r-- | main/jpeg_decoder.c | 16 | ||||
| -rw-r--r-- | main/jpeg_decoder.h | 13 |
5 files changed, 48 insertions, 19 deletions
diff --git a/main/display.c b/main/display.c index a704891..1acddba 100644 --- a/main/display.c +++ b/main/display.c @@ -429,6 +429,14 @@ static inline void rgb565_to_rgb888(uint16_t px, uint8_t *out) out[2] = (uint8_t)(((px >> 11) & 0x1F) * 255 / 31); // R } +esp_err_t display_present_bgr888(const void *bgr888) +{ + if (!s_up) return ESP_ERR_INVALID_STATE; + return esp_lcd_panel_draw_bitmap(s_panel, 0, 0, + PANEL_H_ACTIVE, PANEL_V_ACTIVE, + bgr888); +} + esp_err_t display_present_rgb565(const uint16_t *src, uint16_t src_w, uint16_t src_h) diff --git a/main/display.h b/main/display.h index 9092efb..5f939b9 100644 --- a/main/display.h +++ b/main/display.h @@ -31,7 +31,16 @@ esp_err_t display_wake(void); // orientation. Source dimensions must match the effective resolution: // portrait -> src is 480x800 (rotated 90° CW into the 800x480 panel) // landscape -> src is 800x480 (copied 1:1) -// Used by /frame after JPEG decode. +// CPU-rotation + format-conversion path used by local_screens for the +// info / loading screens (cold path). /frame uses the zero-copy +// BGR888 path below. esp_err_t display_present_rgb565(const uint16_t *src, uint16_t src_w, uint16_t src_h); + +// Zero-copy hot path. Source is already 800x480 with bytes in [B, G, R] +// memory order (i.e. the format the panel pipeline natively wants); +// hand it straight to esp_lcd_panel_draw_bitmap. No CPU pixel work, no +// format conversion, no rotation — Scrypted is responsible for sending +// the buffer pre-rotated and pre-scaled to panel-native dimensions. +esp_err_t display_present_bgr888(const void *bgr888); diff --git a/main/http_api.c b/main/http_api.c index 2c5ce87..db317e4 100644 --- a/main/http_api.c +++ b/main/http_api.c @@ -53,6 +53,12 @@ static esp_err_t state_get_handler(httpd_req_t *req) cJSON_AddNumberToObject(root, "decode_errors", (double)st->decode_errors); cJSON_AddNumberToObject(root, "state_post_failures", (double)st->state_post_failures); cJSON_AddStringToObject(root, "resolution", viewport_state_resolution_str()); + // Panel-native dimensions are stable per-board (Scrypted uses them as + // the ffmpeg scale target; orientation drives whether to transpose + // before scaling). Separate from "resolution" which is the effective + // dimensions after the orientation rotation. + cJSON_AddNumberToObject(root, "panel_width", (double)VIEWPORT_PANEL_WIDTH); + cJSON_AddNumberToObject(root, "panel_height", (double)VIEWPORT_PANEL_HEIGHT); cJSON_AddStringToObject(root, "ip", net_eth_get_ip_str()); cJSON_AddNumberToObject(root, "free_heap", (double)heap_caps_get_free_size(MALLOC_CAP_INTERNAL)); @@ -362,19 +368,22 @@ static esp_err_t frame_post_handler(httpd_req_t *req) return respond_status(req, "400 Bad Request", "JPEG decode failed"); } - uint16_t want_w, want_h; - viewport_state_effective_dims(&want_w, &want_h); - if (w != want_w || h != want_h) { + // /frame always expects the panel-native 800x480 BGR888 layout — + // Scrypted does the rotation + scale, the firmware just decodes and + // paints. Orientation lives in viewport_state for /state reporting + // and the Scrypted-side ffmpeg pipeline only. + if (w != VIEWPORT_PANEL_WIDTH || h != VIEWPORT_PANEL_HEIGHT) { viewport_state_lock(); viewport_state_get()->decode_errors++; viewport_state_unlock(); jpeg_decoder_unlock(); char msg[80]; - snprintf(msg, sizeof(msg), "expected %ux%u, got %ux%u", want_w, want_h, w, h); + snprintf(msg, sizeof(msg), "expected %ux%u, got %ux%u", + VIEWPORT_PANEL_WIDTH, VIEWPORT_PANEL_HEIGHT, w, h); return respond_status(req, "400 Bad Request", msg); } - esp_err_t paint_err = display_present_rgb565((const uint16_t *)rgb, w, h); + esp_err_t paint_err = display_present_bgr888(rgb); if (paint_err != ESP_OK) { jpeg_decoder_unlock(); return respond_status(req, "500 Internal Server Error", "display paint failed"); diff --git a/main/jpeg_decoder.c b/main/jpeg_decoder.c index f2a7d92..2538f69 100644 --- a/main/jpeg_decoder.c +++ b/main/jpeg_decoder.c @@ -62,18 +62,20 @@ void jpeg_decoder_unlock(void) void *jpeg_decoder_input_buffer(void) { return s_in_buf; } esp_err_t jpeg_decoder_decode(size_t jpeg_len, - void **out_rgb565, + void **out_bgr888, uint16_t *out_width, uint16_t *out_height) { if (jpeg_len == 0 || jpeg_len > s_in_cap) return ESP_ERR_INVALID_SIZE; + // Hardware decode directly into a panel-native BGR888 buffer. + // _BGR rgb_order swaps the channel layout so memory ends up as + // [B, G, R] per pixel — exactly what the ESP32-P4 DSI engine + + // TC358762 + Pi panel pipeline wants. Total firmware-side cost in + // the hot /frame path: this hardware decode + one DMA hand-off to + // the panel. No CPU pixel work. jpeg_decode_cfg_t dec_cfg = { - .output_format = JPEG_DECODE_OUT_FORMAT_RGB565, - // Empirically: _RGB emits the RGB565 word in big-endian byte order - // (red 0xF800 → bytes f8 00) which our LE uint16 painter reads - // swapped. _BGR emits little-endian to match (despite the - // misleading "BGR" name) — verified by the decode-byte dump. + .output_format = JPEG_DECODE_OUT_FORMAT_RGB888, .rgb_order = JPEG_DEC_RGB_ELEMENT_ORDER_BGR, .conv_std = JPEG_YUV_RGB_CONV_STD_BT601, }; @@ -94,7 +96,7 @@ esp_err_t jpeg_decoder_decode(size_t jpeg_len, return err; } - *out_rgb565 = s_out_buf; + *out_bgr888 = s_out_buf; *out_width = info.width; *out_height = info.height; return ESP_OK; diff --git a/main/jpeg_decoder.h b/main/jpeg_decoder.h index 9c5bf89..2ac436d 100644 --- a/main/jpeg_decoder.h +++ b/main/jpeg_decoder.h @@ -7,7 +7,7 @@ #include "esp_err.h" #define JPEG_DECODER_MAX_INPUT_BYTES (1024 * 1024) // 1 MB -#define JPEG_DECODER_MAX_OUTPUT_BYTES (800 * 480 * 2) // RGB565 panel native +#define JPEG_DECODER_MAX_OUTPUT_BYTES (800 * 480 * 3) // BGR888 panel native // One-time setup of the ESP32-P4 hardware JPEG decoder. Allocates reusable // DMA-aligned input + output buffers in PSRAM. @@ -23,11 +23,12 @@ void jpeg_decoder_unlock(void); // JPEG_DECODER_MAX_INPUT_BYTES. Caller fills before calling decode. void *jpeg_decoder_input_buffer(void); -// Decode the JPEG sitting in the input buffer. Fills out_rgb565 with a -// pointer to the decoded RGB565 image and reports its width/height in -// pixels. The output buffer is owned by the decoder — valid only until -// the next jpeg_decoder_unlock(). +// Decode the JPEG sitting in the input buffer. Fills out_bgr888 with a +// pointer to the decoded 24-bit image (3 bytes/pixel, BGR memory order so +// the DSI engine + TC358762 + Pi panel render channels correctly) and +// reports the image's width/height in pixels. The output buffer is owned +// by the decoder — valid only until the next jpeg_decoder_unlock(). esp_err_t jpeg_decoder_decode(size_t jpeg_len, - void **out_rgb565, + void **out_bgr888, uint16_t *out_width, uint16_t *out_height); |