/* * Copyright (C) 2020-2022 Artinchip Technology Co. Ltd * * author: * Desc: jpeg/png decode demo */ #include "mpp_decoder.h" #include "mpp_mem.h" #include "mpp_log.h" #include "mpp_fb.h" #include #include "frame_allocator.h" struct pic_info { unsigned char *addr; int len; }; static struct aicfb_screeninfo g_info = {0}; /********************** frame allocator **********************************/ struct ext_frame_allocator { struct frame_allocator base; }; static int alloc_frame_buffer(struct frame_allocator *p, struct mpp_frame* frame, int width, int height, enum mpp_pixel_format format) { frame->buf.format = g_info.format; frame->buf.size.width = g_info.width; frame->buf.size.height = g_info.height; frame->buf.stride[0] = g_info.stride; frame->buf.buf_type = MPP_PHY_ADDR; frame->buf.phy_addr[0] = (unsigned long)g_info.framebuffer; return 0; } static int free_frame_buffer(struct frame_allocator *p, struct mpp_frame *frame) { // we use the ui layer framebuffer, do not need to free return 0; } static int close_allocator(struct frame_allocator *p) { struct ext_frame_allocator* impl = (struct ext_frame_allocator*)p; mpp_free(impl); return 0; } static struct alloc_ops def_ops = { .alloc_frame_buffer = alloc_frame_buffer, .free_frame_buffer = free_frame_buffer, .close_allocator = close_allocator, }; static struct frame_allocator* open_allocator() { struct ext_frame_allocator* impl = (struct ext_frame_allocator*)mpp_alloc(sizeof(struct ext_frame_allocator)); if(impl == NULL) { return NULL; } memset(impl, 0, sizeof(struct ext_frame_allocator)); impl->base.ops = &def_ops; return &impl->base; } /********************** frame allocator end **********************************/ static int set_ui_layer_alpha(struct mpp_fb* fb, int val) { int ret = 0; struct aicfb_alpha_config alpha = {0}; alpha.layer_id = AICFB_LAYER_TYPE_UI; alpha.enable = 1; alpha.mode = 1; alpha.value = val; ret = mpp_fb_ioctl(fb, AICFB_UPDATE_ALPHA_CONFIG, &alpha); if (ret < 0) loge("ioctl() failed! errno: %d\n", ret); return ret; } static void render_frame(struct mpp_fb* fb, struct mpp_frame* frame) { struct aicfb_layer_data layer = {0}; set_ui_layer_alpha(fb, 128); layer.layer_id = AICFB_LAYER_TYPE_UI; layer.rect_id = 0; layer.enable = 1; layer.buf.phy_addr[0] = frame->buf.phy_addr[0]; layer.buf.phy_addr[1] = frame->buf.phy_addr[1]; layer.buf.phy_addr[2] = frame->buf.phy_addr[2]; layer.buf.stride[0] = frame->buf.stride[0]; layer.buf.stride[1] = frame->buf.stride[1]; layer.buf.stride[2] = frame->buf.stride[2]; layer.buf.size.width = frame->buf.size.width; layer.buf.size.height = frame->buf.size.height; layer.buf.crop_en = 0; layer.buf.format = frame->buf.format; layer.buf.buf_type = MPP_PHY_ADDR; logi("phy_addr: %x, stride: %d", layer.buf.phy_addr[0], layer.buf.stride[0]); logi("width: %d, height: %d, format: %d", layer.buf.size.width, layer.buf.size.height, frame->buf.format); int ret = mpp_fb_ioctl(fb, AICFB_UPDATE_LAYER_CONFIG, &layer); if (ret < 0) { loge("update_layer_config error, %d", ret); } aicos_mdelay(2000); } int do_pic_dec_test(int argc, char **argv) { int ret = 0; int i = 0; int file_len = 0; int ext_frame_alloc = 1; int type = MPP_CODEC_VIDEO_DECODER_MJPEG; struct mpp_fb *fb = NULL; struct mpp_packet packet; struct mpp_frame frame; extern const unsigned char test_pic1[239985]; extern const unsigned char test_pic2[162126]; extern const unsigned char test_pic3[205510]; struct pic_info pic_infos[3] = { {(unsigned char *)test_pic1,239985}, {(unsigned char *)test_pic2,162126}, {(unsigned char *)test_pic3,205510} }; fb = mpp_fb_open(); if (!fb) { loge("mpp_fb_open error!!!!\n"); goto out; } ret = mpp_fb_ioctl(fb, AICFB_GET_SCREENINFO , &g_info); if (ret) { loge("get screen info failed\n"); goto out; } for( i = 0; i< sizeof(pic_infos)/sizeof(pic_infos[0]);i++) { file_len = (pic_infos[i].len + 1023) & (~1023); memset(g_info.framebuffer,0x00,g_info.smem_len); //* 1. create mpp_decoder struct mpp_decoder* dec = mpp_decoder_create(type); struct decode_config config; config.bitstream_buffer_size = (file_len + 1023) & (~1023); config.extra_frame_num = 0; config.packet_count = 1; config.pix_fmt = g_info.format; if(ext_frame_alloc) { struct frame_allocator* allocator = open_allocator(); mpp_decoder_control(dec, MPP_DEC_INIT_CMD_SET_EXT_FRAME_ALLOCATOR, (void*)allocator); } //* 2. init mpp_decoder mpp_decoder_init(dec, &config); //* 3. get an empty packet from mpp_decoder memset(&packet, 0, sizeof(struct mpp_packet)); mpp_decoder_get_packet(dec, &packet, pic_infos[i].len); //* 4. copy data to packet memcpy(packet.data, pic_infos[i].addr, pic_infos[i].len); packet.size = pic_infos[i].len; packet.flag = PACKET_FLAG_EOS; //* 5. put the packet to mpp_decoder mpp_decoder_put_packet(dec, &packet); //* 6. decode //time_start(mpp_decoder_decode); ret = mpp_decoder_decode(dec); if (ret < 0) { loge("decode error"); mpp_decoder_destory(dec); continue; } //* 7. get a decoded frame memset(&frame, 0, sizeof(struct mpp_frame)); mpp_decoder_get_frame(dec, &frame); //* 8. compare data render_frame(fb,&frame); //* 9. return this frame mpp_decoder_put_frame(dec, &frame); //* 10. destroy mpp_decoder mpp_decoder_destory(dec); } out: if (fb) { mpp_fb_close(fb); } return 0; } CONSOLE_CMD(pic_dec_test, do_pic_dec_test,"pic dec test");