688 lines
24 KiB
C
Executable File
688 lines
24 KiB
C
Executable File
/*
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* Copyright (c) 2008-2016 Allwinner Technology Co. Ltd.
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* All rights reserved.
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*
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* File : jpegdecode.c
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* Description : jpegdecode for Linux,
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* decode jpeg image(base line format)
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* History :
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*
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*/
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#define LOG_TAG "jpegdecode"
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#include "tlog.h"
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#include "jpegdecode.h"
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#include <errno.h>
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#define SAVE_YUV 0
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#define SAVE_RGB 0
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#if SAVE_RGB
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//-------------------------------------------------------------------
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/*
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位图文件的组成
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结构名称 符 号
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位图文件头 (bitmap-file header) BITMAPFILEHEADER bmfh
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位图信息头 (bitmap-information header) BITMAPINFOHEADER bmih
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彩色表 (color table) RGBQUAD aColors[]
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图象数据阵列字节 BYTE aBitmapBits[]
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*/
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typedef struct bmp_header
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{
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short twobyte ;//两个字节，用来保证下面成员紧凑排列，这两个字符不能写到文件中
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//14B
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char bfType[2] ;//!文件的类型,该值必需是0x4D42，也就是字符'BM'
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unsigned int bfSize ;//!说明文件的大小，用字节为单位
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unsigned int bfReserved1;//保留，必须设置为0
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unsigned int bfOffBits ;//!说明从文件头开始到实际的图象数据之间的字节的偏移量，这里为14B+sizeof(BMPINFO)
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}BMPHEADER;
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typedef struct bmp_info
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{
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//40B
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unsigned int biSize ;//!BMPINFO结构所需要的字数
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int biWidth ;//!图象的宽度，以象素为单位
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int biHeight ;//!图象的宽度，以象素为单位,如果该值是正数，
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//说明图像是倒向的，如果该值是负数，则是正向的
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unsigned short biPlanes ;//!目标设备说明位面数，其值将总是被设为1
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unsigned short biBitCount ;//!比特数/象素，其值为1、4、8、16、24、或32
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unsigned int biCompression ;//说明图象数据压缩的类型
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#define BI_RGB 0L //没有压缩
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#define BI_RLE8 1L //每个象素8比特的RLE压缩编码，压缩格式由2字节组成（重复象素计数和颜色索引）；
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#define BI_RLE4 2L //每个象素4比特的RLE压缩编码，压缩格式由2字节组成
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#define BI_BITFIELDS 3L //每个象素的比特由指定的掩码决定。
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unsigned int biSizeImage ;//图象的大小，以字节为单位。当用BI_RGB格式时，可设置为0
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int biXPelsPerMeter ;//水平分辨率，用象素/米表示
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int biYPelsPerMeter ;//垂直分辨率，用象素/米表示
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unsigned int biClrUsed ;//位图实际使用的彩色表中的颜色索引数（设为0的话，则说明使用所有调色板项）
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unsigned int biClrImportant ;//对图象显示有重要影响的颜色索引的数目，如果是0，表示都重要。
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}BMPINFO;
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typedef struct tagRGBQUAD
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{
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unsigned char rgbBlue;
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unsigned char rgbGreen;
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unsigned char rgbRed;
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unsigned char rgbReserved;
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} RGBQUAD;
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typedef struct tagBITMAPINFO
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{
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BMPINFO bmiHeader;
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//RGBQUAD bmiColors[1];
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unsigned int rgb[3];
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} BITMAPINFO;
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static int get_rgb565_header(int w, int h, BMPHEADER * head, BITMAPINFO * info)
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{
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int size = 0;
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if (head && info)
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{
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size = w * h * 2;
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memset(head, 0, sizeof(* head));
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memset(info, 0, sizeof(* info));
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head->bfType[0] = 'B';
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head->bfType[1] = 'M';
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head->bfOffBits = 14 + sizeof(* info);
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head->bfSize = head->bfOffBits + size;
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head->bfSize = (head->bfSize + 3) & ~3;
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size = head->bfSize - head->bfOffBits;
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info->bmiHeader.biSize = sizeof(info->bmiHeader);
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info->bmiHeader.biWidth = w;
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info->bmiHeader.biHeight = -h;
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = 16;
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info->bmiHeader.biCompression = BI_BITFIELDS;
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info->bmiHeader.biSizeImage = size;
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info->rgb[0] = 0xF800;
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info->rgb[1] = 0x07E0;
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info->rgb[2] = 0x001F;
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TLOGD("BMP:rgb565:%dbit,%d*%d,%d", info->bmiHeader.biBitCount, w, h, head->bfSize);
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}
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return size;
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}
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static int save_bmp_rgb565(FILE* fp, int width, int height, unsigned char* pData)
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{
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int success = 0;
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int size = 0;
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BMPHEADER head;
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BITMAPINFO info;
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size = get_rgb565_header(width, height, &head, &info);
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if(size > 0)
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{
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fwrite(head.bfType,1,2,fp);
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fwrite(&head.bfSize,1,4,fp);
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fwrite(&head.bfReserved1,1,4,fp);
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fwrite(&head.bfOffBits,1,4,fp);
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fwrite(&info,1,sizeof(info), fp);
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fwrite(pData,1,size, fp);
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success = 1;
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}
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TLOGD("*****save_bmp_rgb565 success=%d", success);
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return success;
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}
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#endif
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static char * readJpegData(char *path, int *pLen)
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{
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FILE *fp = NULL;
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int ret = 0;
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char *data = NULL;
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fp = fopen(path, "rb");
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if(fp == NULL)
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{
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TLOGE("read jpeg file error, errno(%d)", errno);
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return NULL;
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}
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fseek(fp,0,SEEK_END);
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*pLen = ftell(fp);
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rewind(fp);
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data = (char *) malloc (sizeof(char)*(*pLen));
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if(data == NULL)
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{
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TLOGE("malloc memory fail");
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fclose(fp);
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return NULL;
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}
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ret = fread (data,1,*pLen,fp);
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if (ret != *pLen)
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{
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TLOGE("read file fail");
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fclose(fp);
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free(data);
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return NULL;
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}
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if(fp != NULL)
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{
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fclose(fp);
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}
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return data;
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}
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static int saveYuvPic(JpegDecoderContext* decContext,ImgFrame* imgFrame){
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if(decContext == NULL || imgFrame == NULL ||imgFrame->mYuvData== NULL){
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TLOGE("decContext or imgFrame or imgFrame->mData is null,saveYuvPic err");
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return -1;
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}
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char path[50];
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char acturalWidth[10];
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char acturalHeight[10];
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sprintf(acturalWidth,"%u",imgFrame->mDisplayWidth);
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sprintf(acturalHeight,"%u",imgFrame->mDisplayHeight);
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TLOGD("acturalWidth = %s,height = %s",acturalWidth,acturalHeight);
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strcpy(path,"/tmp/save_");
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strcat(path,acturalWidth);
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strcat(path,"_");
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strcat(path,acturalHeight);
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switch (decContext->mOutputDataType)
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{
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case JpegDecodeOutputDataNV21:
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strcat(path,"_nv21.dat");
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break;
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case JpegDecodeOutputDataNV12:
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strcat(path,"_nv12.dat");
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break;
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case JpegDecodeOutputDataYU12:
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strcat(path,"_yu12.dat");
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break;
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case JpegDecodeOutputDataYV12:
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strcat(path,"_yv12.dat");
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break;
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default:
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TLOGW("the decContext->mOutputDataType = %d,which is not support,use the default:%d",decContext->mOutputDataType,JpegDecodeOutputDataNV21);
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strcat(path,"_nv21.dat");
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break;
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}
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FILE* savaYuvFd = fopen(path, "wb");
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if(savaYuvFd==NULL){
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TLOGE("fopen save.yuv fail****");
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TLOGE("err str: %s",strerror(errno));
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return -1;
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}else{
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fseek(savaYuvFd,0,SEEK_SET);
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int write_ret = fwrite(imgFrame->mYuvData, 1, imgFrame->mYuvSize, savaYuvFd);
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if(write_ret <= 0){
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TLOGE("yuv write error,err str: %s",strerror(errno));
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fclose(savaYuvFd);
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savaYuvFd = NULL;
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return -1;
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}
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fclose(savaYuvFd);
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savaYuvFd = NULL;
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}
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TLOGD("save yuv data successfully,path = %s",path);
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return 0;
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}
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static int transformYV12toRGB565(struct ScMemOpsS *memOps,
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VideoPicture * pPicture,
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ImgFrame* pImgFrame)
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{
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unsigned short* pDst;
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unsigned char* pSrcY;
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unsigned char* pSrcU;
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unsigned char* pSrcV;
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int y;
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int x;
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unsigned char* pClipTable;
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unsigned char* pClip;
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static const int nClipMin = -278;
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static const int nClipMax = 535;
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//* initialize the clip table.
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pClipTable = (unsigned char*)malloc(nClipMax - nClipMin + 1);
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if(pClipTable == NULL)
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{
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TLOGE("can not allocate memory for the clip table, quit.");
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return -1;
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}
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for(x=nClipMin; x<=nClipMax; x++)
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{
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pClipTable[x-nClipMin] = (x<0) ? 0 : (x>255) ? 255 : x;
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}
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pClip = &pClipTable[-nClipMin];
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//* flush cache.
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CdcMemFlushCache(memOps, pPicture->pData0, pPicture->nWidth*pPicture->nHeight);
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CdcMemFlushCache(memOps, pPicture->pData1, pPicture->nWidth*pPicture->nHeight/4);
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CdcMemFlushCache(memOps, pPicture->pData2, pPicture->nWidth*pPicture->nHeight/4);
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//* set pointers.
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pDst = (unsigned short*)pImgFrame->mRGB565Data;
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pSrcY = (unsigned char*)pPicture->pData0 + pPicture->nTopOffset * \
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pPicture->nLineStride + pPicture->nLeftOffset;
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pSrcV = (unsigned char*)pPicture->pData1 + (pPicture->nTopOffset/2) * \
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(pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
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pSrcU = (unsigned char*)pPicture->pData2 + (pPicture->nTopOffset/2) * \
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(pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
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for(y = 0; y < (int)pImgFrame->mDisplayHeight; ++y)
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{
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for(x = 0; x < (int)pImgFrame->mDisplayWidth; x += 2)
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{
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// B = 1.164 * (Y - 16) + 2.018 * (U - 128)
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// G = 1.164 * (Y - 16) - 0.813 * (V - 128) - 0.391 * (U - 128)
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// R = 1.164 * (Y - 16) + 1.596 * (V - 128)
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// B = 298/256 * (Y - 16) + 517/256 * (U - 128)
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// G = .................. - 208/256 * (V - 128) - 100/256 * (U - 128)
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// R = .................. + 409/256 * (V - 128)
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// min_B = (298 * (- 16) + 517 * (- 128)) / 256 = -277
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// min_G = (298 * (- 16) - 208 * (255 - 128) - 100 * (255 - 128)) / 256 = -172
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// min_R = (298 * (- 16) + 409 * (- 128)) / 256 = -223
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// max_B = (298 * (255 - 16) + 517 * (255 - 128)) / 256 = 534
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// max_G = (298 * (255 - 16) - 208 * (- 128) - 100 * (- 128)) / 256 = 432
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// max_R = (298 * (255 - 16) + 409 * (255 - 128)) / 256 = 481
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// clip range -278 .. 535
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signed y1 = (signed)pSrcY[x] - 16;
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signed y2 = (signed)pSrcY[x + 1] - 16;
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signed u = (signed)pSrcU[x / 2] - 128;
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signed v = (signed)pSrcV[x / 2] - 128;
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signed u_b = u * 517;
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signed u_g = -u * 100;
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signed v_g = -v * 208;
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signed v_r = v * 409;
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signed tmp1 = y1 * 298;
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signed b1 = (tmp1 + u_b) / 256;
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signed g1 = (tmp1 + v_g + u_g) / 256;
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signed r1 = (tmp1 + v_r) / 256;
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signed tmp2 = y2 * 298;
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signed b2 = (tmp2 + u_b) / 256;
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signed g2 = (tmp2 + v_g + u_g) / 256;
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signed r2 = (tmp2 + v_r) / 256;
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unsigned int rgb1 = ((pClip[r1] >> 3) << 11) |
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((pClip[g1] >> 2) << 5) |
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(pClip[b1] >> 3);
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unsigned int rgb2 = ((pClip[r2] >> 3) << 11) |
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((pClip[g2] >> 2) << 5) |
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(pClip[b2] >> 3);
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*(unsigned int *)(&pDst[x]) = (rgb2 << 16) | rgb1;
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}
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pSrcY += pImgFrame->mDisplayWidth;
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if(y & 1)
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{
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pSrcU += pImgFrame->mDisplayWidth / 2;
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pSrcV += pImgFrame->mDisplayWidth / 2;
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}
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pDst += pImgFrame->mDisplayWidth;
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}
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free(pClipTable);
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#if SAVE_RGB
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FILE* outFp = fopen("/tmp/rgb.bmp", "wb");
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if(outFp != NULL)
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{
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TLOGD("************save_bmp_rgb565");
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save_bmp_rgb565(outFp, pImgFrame->mDisplayWidth, pImgFrame->mDisplayHeight, pImgFrame->mRGB565Data);
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fclose(outFp);
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}
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#endif
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return 0;
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}
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static void setDecoderPara(JpegDecoderContext* p,VideoStreamInfo* vStreamInfo,VConfig* vConfig){
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vStreamInfo->eCodecFormat = VIDEO_CODEC_FORMAT_MJPEG;
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vConfig->bDisable3D = 0;
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vConfig->bDispErrorFrame = 0;
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vConfig->bNoBFrames = 0;
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vConfig->bRotationEn = 0;
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vConfig->bScaleDownEn = p->mScaleDownEn;
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vConfig->nHorizonScaleDownRatio = p->mHorizonScaleDownRatio;
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vConfig->nVerticalScaleDownRatio = p->mVerticalScaleDownRatio;
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vConfig->eOutputPixelFormat = p->mDecodedPixFormat;
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vConfig->nDeInterlaceHoldingFrameBufferNum = 0;
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vConfig->nDisplayHoldingFrameBufferNum = 0;
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vConfig->nRotateHoldingFrameBufferNum = 0;
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vConfig->nDecodeSmoothFrameBufferNum = 0;
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vConfig->nVbvBufferSize = 2*1024*1024;
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vConfig->bThumbnailMode = 1;
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vConfig->memops = p->memops;
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}
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JpegDecoder* JpegDecoderCreate(){
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JpegDecoderContext* p;
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p = (JpegDecoderContext*)malloc(sizeof(JpegDecoderContext));
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if(!p)
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{
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TLOGE("JpegDecoderContext malloc fail");
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return NULL;
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}
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memset(p, 0x00, sizeof(JpegDecoderContext));
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p->memops = MemAdapterGetOpsS();
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if(p->memops == NULL)
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{
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free(p);
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TLOGE("MemAdapterGetOpsS fail");
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return NULL;
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}
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CdcMemOpen(p->memops);
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TLOGD("AddVDPlugin first");
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AddVDPlugin();
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return (JpegDecoder*)p;
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}
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void JpegDecoderDestory(JpegDecoder* v){
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JpegDecoderContext* p;
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p = (JpegDecoderContext*)v;
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if(p->mVideoDecoder != NULL)
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{
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DestroyVideoDecoder(p->mVideoDecoder);
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p->mVideoDecoder = NULL;
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}
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if(p->mImgFrame.mYuvData)
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{
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free(p->mImgFrame.mYuvData);
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p->mImgFrame.mYuvData = NULL;
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}
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if(p->mImgFrame.mRGB565Data)
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{
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free(p->mImgFrame.mRGB565Data);
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p->mImgFrame.mRGB565Data = NULL;
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}
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memset(&p->mImgFrame, 0x00, sizeof(ImgFrame));
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if(p->memops){
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CdcMemClose(p->memops);
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p->memops = NULL;
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}
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free(p);
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}
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void JpegDecoderSetDataSource(JpegDecoder* v, const char* pUrl,JpegDecodeScaleDownRatio scaleRatio,JpegDecodeOutputDataType outputType){
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JpegDecoderContext* p;
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p = (JpegDecoderContext*)v;
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p->mUrl = pUrl;
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p->mOutputDataType = outputType;
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switch (scaleRatio)
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{
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case JPEG_DECODE_SCALE_DOWN_1:
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p->mScaleDownEn = 0;
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p->mHorizonScaleDownRatio = 0;
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p->mVerticalScaleDownRatio = 0;
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break;
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case JPEG_DECODE_SCALE_DOWN_2:
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p->mScaleDownEn = 1;
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p->mHorizonScaleDownRatio = 1;
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p->mVerticalScaleDownRatio = 1;
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break;
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case JPEG_DECODE_SCALE_DOWN_4:
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p->mScaleDownEn = 1;
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p->mHorizonScaleDownRatio = 2;
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p->mVerticalScaleDownRatio = 2;
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break;
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case JPEG_DECODE_SCALE_DOWN_8:
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p->mScaleDownEn = 1;
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p->mHorizonScaleDownRatio = 3;
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p->mVerticalScaleDownRatio = 3;
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break;
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default:
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TLOGW("the scalRatio = %d,which is not support,use the default",scaleRatio);
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p->mScaleDownEn = 0;
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p->mHorizonScaleDownRatio = 0;
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p->mVerticalScaleDownRatio = 0;
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break;
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}
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switch (outputType)
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{
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case JpegDecodeOutputDataNV21:
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p->mDecodedPixFormat = PIXEL_FORMAT_NV21;
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break;
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case JpegDecodeOutputDataNV12:
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p->mDecodedPixFormat = PIXEL_FORMAT_NV12;
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break;
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case JpegDecodeOutputDataYU12:
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p->mDecodedPixFormat = PIXEL_FORMAT_YUV_PLANER_420;
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break;
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case JpegDecodeOutputDataYV12:
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p->mDecodedPixFormat = PIXEL_FORMAT_YV12;
|
||
break;
|
||
case JpegDecodeOutputDataRGB565:
|
||
p->mDecodedPixFormat = PIXEL_FORMAT_YV12;
|
||
break;
|
||
default:
|
||
TLOGW("the outputType = %d,which is not support,use the default:%d",outputType,JpegDecodeOutputDataNV21);
|
||
p->mOutputDataType = JpegDecodeOutputDataNV21;
|
||
p->mDecodedPixFormat = PIXEL_FORMAT_NV21;
|
||
break;
|
||
}
|
||
|
||
}
|
||
ImgFrame *JpegDecoderGetFrame(JpegDecoder* v){
|
||
JpegDecoderContext* p;
|
||
p = (JpegDecoderContext*)v;
|
||
VideoStreamInfo vStreamInfo;
|
||
VConfig vConfig;
|
||
char *jpegData = NULL;
|
||
int dataLen =0;
|
||
char *buf, *ringBuf;
|
||
int buflen, ringBufLen;
|
||
VideoPicture* videoPicture;
|
||
|
||
/**read jpeg data from file**/
|
||
jpegData = readJpegData(p->mUrl, &dataLen);
|
||
if (dataLen <= 0 || jpegData == NULL)
|
||
{
|
||
TLOGE("read file fail");
|
||
return NULL;
|
||
}
|
||
|
||
/**create the video decoder**/
|
||
p->mVideoDecoder = CreateVideoDecoder();
|
||
if(!p->mVideoDecoder){
|
||
TLOGE("create video decoder failed\n");
|
||
return NULL;
|
||
}
|
||
|
||
/**init the video decoder parameter**/
|
||
memset(&vStreamInfo,0,sizeof(VideoStreamInfo));
|
||
memset(&vConfig,0,sizeof(vConfig));
|
||
setDecoderPara(p,&vStreamInfo,&vConfig);
|
||
if ((InitializeVideoDecoder(p->mVideoDecoder, &vStreamInfo, &vConfig)) != 0)
|
||
{
|
||
TLOGE("InitializeVideoDecoder failed");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
|
||
/**request vbm buffer from video decoder**/
|
||
if(RequestVideoStreamBuffer(p->mVideoDecoder,
|
||
dataLen,
|
||
(char**)&buf,
|
||
&buflen,
|
||
(char**)&ringBuf,
|
||
&ringBufLen,
|
||
0))
|
||
{
|
||
TLOGE("Request Video Stream Buffer failed");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
|
||
TLOGD("Request Video Stream Buffer ok");
|
||
|
||
if(buflen + ringBufLen < dataLen)
|
||
{
|
||
TLOGE("#####Error: request buffer failed, buffer is not enough");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
|
||
/**copy and submit stream to video decoder SBM**/
|
||
if(buflen >= dataLen)
|
||
{
|
||
memcpy(buf,jpegData,dataLen);
|
||
}
|
||
else
|
||
{
|
||
memcpy(buf,jpegData,buflen);
|
||
memcpy(ringBuf,jpegData+buflen,dataLen-buflen);
|
||
}
|
||
TLOGD("Copy Video Stream Data ok!");
|
||
|
||
VideoStreamDataInfo DataInfo;
|
||
memset(&DataInfo, 0, sizeof(DataInfo));
|
||
DataInfo.pData = buf;
|
||
DataInfo.nLength = dataLen;
|
||
DataInfo.bIsFirstPart = 1;
|
||
DataInfo.bIsLastPart = 1;
|
||
|
||
if (SubmitVideoStreamData(p->mVideoDecoder, &DataInfo, 0))
|
||
{
|
||
TLOGE("#####Error: Submit Video Stream Data failed!");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
TLOGD("Submit Video Stream Data ok!");
|
||
|
||
/**decode stream**/
|
||
int endofstream = 0;
|
||
int dropBFrameifdelay = 0;
|
||
int64_t currenttimeus = 0;
|
||
int decodekeyframeonly = 0;
|
||
|
||
int ret = DecodeVideoStream(p->mVideoDecoder, endofstream, decodekeyframeonly,
|
||
dropBFrameifdelay, currenttimeus);
|
||
switch (ret)
|
||
{
|
||
case VDECODE_RESULT_KEYFRAME_DECODED:
|
||
case VDECODE_RESULT_FRAME_DECODED:
|
||
case VDECODE_RESULT_NO_FRAME_BUFFER:
|
||
{
|
||
ret = ValidPictureNum(p->mVideoDecoder, 0);
|
||
if (ret>= 0)
|
||
{
|
||
videoPicture = RequestPicture(p->mVideoDecoder, 0);
|
||
if (videoPicture == NULL){
|
||
TLOGE("RequestPicture fail");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
TLOGD("decoder one pic...");
|
||
TLOGD("pic nWidth is %d,nHeight is %d",videoPicture->nWidth,videoPicture->nHeight);
|
||
TLOGD("videoPicture->nWidth = %d,videoPicture->nHeight = %d,videoPicture->nLineStride = %d",videoPicture->nWidth,videoPicture->nHeight,videoPicture->nLineStride);
|
||
TLOGD("videoPicture->nTopOffset = %d,videoPicture->nLeftOffset = %d,videoPicture->nBottomOffset = %d,videoPicture->nRightOffset = %d",
|
||
videoPicture->nTopOffset,videoPicture->nLeftOffset,videoPicture->nBottomOffset,videoPicture->nRightOffset);
|
||
if(p->mOutputDataType == JpegDecodeOutputDataNV21 || p->mOutputDataType == JpegDecodeOutputDataNV12
|
||
|| p->mOutputDataType == JpegDecodeOutputDataYU12 || p->mOutputDataType == JpegDecodeOutputDataYV12){
|
||
if(p->mImgFrame.mYuvData != NULL){//if the mYuvData is not NULL,we should free the buffer which is malloc before
|
||
free(p->mImgFrame.mYuvData);
|
||
memset(&p->mImgFrame, 0x00, sizeof(ImgFrame));
|
||
}
|
||
p->mImgFrame.mWidth = videoPicture->nWidth;
|
||
p->mImgFrame.mHeight = videoPicture->nHeight;
|
||
p->mImgFrame.mDisplayWidth = videoPicture->nRightOffset-videoPicture->nLeftOffset;
|
||
p->mImgFrame.mDisplayHeight = videoPicture->nBottomOffset-videoPicture->nTopOffset;
|
||
p->mImgFrame.mYuvSize = p->mImgFrame.mDisplayWidth*p->mImgFrame.mDisplayHeight*3/2;
|
||
p->mImgFrame.mYuvData = (unsigned char*)malloc(p->mImgFrame.mYuvSize);
|
||
if(p->mImgFrame.mYuvData == NULL)
|
||
{
|
||
TLOGE("imgFrame.mYuvData malloc fail");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
/* flush cache*/
|
||
if(p->mOutputDataType == JpegDecodeOutputDataYU12 || p->mOutputDataType == JpegDecodeOutputDataYV12){
|
||
CdcMemFlushCache(p->memops, videoPicture->pData0, videoPicture->nWidth*videoPicture->nHeight);
|
||
CdcMemFlushCache(p->memops, videoPicture->pData1, videoPicture->nHeight*videoPicture->nHeight/4);
|
||
CdcMemFlushCache(p->memops, videoPicture->pData2, videoPicture->nHeight*videoPicture->nHeight/4);
|
||
/**copy actural picture data to imgframe**/
|
||
memcpy(p->mImgFrame.mYuvData,videoPicture->pData0,p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight);
|
||
memcpy(p->mImgFrame.mYuvData+p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight,videoPicture->pData1,p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight/4);
|
||
memcpy(p->mImgFrame.mYuvData+p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight*5/4,videoPicture->pData2,p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight/4);
|
||
}else{
|
||
CdcMemFlushCache(p->memops, videoPicture->pData0, videoPicture->nWidth*videoPicture->nHeight);
|
||
CdcMemFlushCache(p->memops, videoPicture->pData1, videoPicture->nHeight*videoPicture->nHeight/2);
|
||
/**copy actural picture data to imgframe**/
|
||
memcpy(p->mImgFrame.mYuvData,videoPicture->pData0,p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight);
|
||
memcpy(p->mImgFrame.mYuvData+p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight,videoPicture->pData1,p->mImgFrame.mDisplayWidth *p->mImgFrame.mDisplayHeight/2);
|
||
}
|
||
#ifdef SAVE_YUV
|
||
saveYuvPic(p,&p->mImgFrame);
|
||
#endif
|
||
}else if(p->mOutputDataType ==JpegDecodeOutputDataRGB565){
|
||
if(p->mImgFrame.mRGB565Data != NULL){//if the mRGB565Data is not NULL,we should free the buffer which is malloc before
|
||
free(p->mImgFrame.mRGB565Data);
|
||
memset(&p->mImgFrame, 0x00, sizeof(ImgFrame));
|
||
}
|
||
p->mImgFrame.mWidth = videoPicture->nWidth;
|
||
p->mImgFrame.mHeight = videoPicture->nHeight;
|
||
p->mImgFrame.mDisplayWidth = videoPicture->nRightOffset-videoPicture->nLeftOffset;
|
||
p->mImgFrame.mDisplayHeight = videoPicture->nBottomOffset-videoPicture->nTopOffset;
|
||
p->mImgFrame.mRGB565Size = p->mImgFrame.mDisplayWidth*p->mImgFrame.mDisplayHeight*2;
|
||
p->mImgFrame.mRGB565Data = (uint8_t*)malloc(p->mImgFrame.mRGB565Size);
|
||
if(p->mImgFrame.mRGB565Data == NULL)
|
||
{
|
||
TLOGE("imgFrame.mRGB565Data malloc fail");
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
transformYV12toRGB565(p->memops,videoPicture,&p->mImgFrame);
|
||
}else{
|
||
TLOGE("fail:the outputType = %d,whic is not support",p->mOutputDataType);
|
||
}
|
||
|
||
/**return the picture buf to video decoder**/
|
||
ReturnPicture(p->mVideoDecoder,videoPicture);
|
||
|
||
}
|
||
else
|
||
{
|
||
TLOGE("no ValidPictureNum ret is %d",ret);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case VDECODE_RESULT_OK:
|
||
case VDECODE_RESULT_CONTINUE:
|
||
case VDECODE_RESULT_NO_BITSTREAM:
|
||
case VDECODE_RESULT_RESOLUTION_CHANGE:
|
||
case VDECODE_RESULT_UNSUPPORTED:
|
||
default:
|
||
TLOGE("video decode Error: %d ", ret);
|
||
DestroyVideoDecoder(p->mVideoDecoder);
|
||
p->mVideoDecoder = NULL;
|
||
return NULL;
|
||
}
|
||
|
||
/**free the jpeg data**/
|
||
if (jpegData != NULL)
|
||
{
|
||
free(jpegData);
|
||
jpegData = NULL;
|
||
}
|
||
|
||
return &p->mImgFrame;
|
||
}
|