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bugfix(jpeg): eliminate random black line on jpeg decoder

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C.S.M
2025-06-09 14:14:20 +08:00
parent 8d0527d7bf
commit c490702340
1 changed files with 4 additions and 0 deletions
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4
components/esp_driver_jpeg/jpeg_decode.c
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@ -247,6 +247,10 @@ esp_err_t jpeg_decoder_process(jpeg_decoder_handle_t decoder_engine, const jpeg_
ret = esp_cache_msync((void*)decoder_engine->header_info->buffer_offset, decoder_engine->header_info->buffer_left, ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_UNALIGNED); ret = esp_cache_msync((void*)decoder_engine->header_info->buffer_offset, decoder_engine->header_info->buffer_left, ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_UNALIGNED);
assert(ret == ESP_OK); assert(ret == ESP_OK);
// Before 2DDMA starts, invalidate cache ahead of time.
ret = esp_cache_msync((void*)decoder_engine->decoded_buf, outbuf_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
assert(ret == ESP_OK);
ESP_GOTO_ON_ERROR(dma2d_enqueue(decoder_engine->dma2d_group_handle, &trans_desc, decoder_engine->trans_desc), err2, TAG, "enqueue dma2d failed"); ESP_GOTO_ON_ERROR(dma2d_enqueue(decoder_engine->dma2d_group_handle, &trans_desc, decoder_engine->trans_desc), err2, TAG, "enqueue dma2d failed");
bool need_yield; bool need_yield;
// Blocking for JPEG decode transaction finishes. // Blocking for JPEG decode transaction finishes.