1038 lines
32 KiB
C
1038 lines
32 KiB
C
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#define LOG_TAG "xmetadataretriever"
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#include "log.h"
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#include "xmetadataretriever.h"
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#include "memoryAdapter.h"
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#include <AwPluginManager.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#define SAVE_BITSTREAM 0
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#define SAVE_RGB 0
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#if SAVE_BITSTREAM
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const char* bitstreamPath = "/data/camera/out.h264";
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static FILE* fph264 = NULL;
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#endif
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#define MAX_PACKET_COUNT_TO_GET_A_FRAME 4096 /* process 1024 packets to get a frame at maximum. */
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#define MAX_TIME_TO_GET_A_FRAME 5000000 /* use 5 seconds to get a frame at maximum. */
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#define MAX_TIME_TO_GET_A_STREAM 10000000 /* use 10 seconds to get a stream at maximum. */
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#define MAX_OUTPUT_STREAM_SIZE (1024*1024)
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typedef struct AwRetriverContext
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{
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CdxDataSourceT mSource;
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CdxMediaInfoT mMediaInfo;
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CdxParserT* mParser;
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CdxStreamT* mStream;
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VideoDecoder* mVideoDecoder;
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VideoFrame mVideoFrame;
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int mCancelPrepareFlag;
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struct ScMemOpsS *memops;
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}AwRetriverContext;
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static int64_t GetSysTime();
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#if SAVE_RGB
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//-------------------------------------------------------------------
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/*
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λͼ<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<EFBFBD>ṹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>
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λͼ<EFBFBD>ļ<EFBFBD>ͷ (bitmap-file header) BITMAPFILEHEADER bmfh
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λͼ<EFBFBD><EFBFBD>Ϣͷ (bitmap-information header) BITMAPINFOHEADER bmih
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<EFBFBD><EFBFBD>ɫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(color table) RGBQUAD aColors[]
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ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD> BYTE aBitmapBits[]
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*/
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typedef struct bmp_header
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{
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short twobyte ;//<2F><><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
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//14B
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char bfType[2] ;//!<21>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0x4D42<34><32>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>'BM'
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unsigned int bfSize ;//!˵<><CBB5><EFBFBD>ļ<EFBFBD><C4BC>Ĵ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>Ϊ<EFBFBD><CEAA>λ
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unsigned int bfReserved1;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0
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unsigned int bfOffBits ;//!˵<><CBB5><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ͷ<EFBFBD><CDB7>ʼ<EFBFBD><CABC>ʵ<EFBFBD>ʵ<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD>ֽڵ<D6BD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ14B+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<46>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int biWidth ;//!ͼ<><CDBC><EFBFBD>Ŀ<EFBFBD><C4BF>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>λ
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int biHeight ;//!ͼ<><CDBC><EFBFBD>Ŀ<EFBFBD><C4BF>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>λ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>ͼ<EFBFBD><CDBC><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD>Ǹ<EFBFBD><C7B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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unsigned short biPlanes ;//!Ŀ<><C4BF><EFBFBD>豸˵<E8B1B8><CBB5>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD>DZ<EFBFBD><C7B1><EFBFBD>Ϊ1
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unsigned short biBitCount ;//!<21><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD>أ<EFBFBD><D8A3><EFBFBD>ֵΪ1<CEAA><31>4<EFBFBD><34>8<EFBFBD><38>16<31><36>24<32><34><EFBFBD><EFBFBD>32
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unsigned int biCompression ;//˵<><CBB5>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define BI_RGB 0L //û<><C3BB>ѹ<EFBFBD><D1B9>
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#define BI_RLE8 1L //ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8<EFBFBD><38><EFBFBD>ص<EFBFBD>RLEѹ<45><D1B9><EFBFBD><EFBFBD><EFBFBD>룬ѹ<EBA3AC><D1B9><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>2<EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3>ظ<EFBFBD><D8B8><EFBFBD><EFBFBD>ؼ<EFBFBD><D8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define BI_RLE4 2L //ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD><34><EFBFBD>ص<EFBFBD>RLEѹ<45><D1B9><EFBFBD><EFBFBD><EFBFBD>룬ѹ<EBA3AC><D1B9><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>2<EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>
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#define BI_BITFIELDS 3L //ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD>صı<D8B5><C4B1><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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unsigned int biSizeImage ;//ͼ<><CDBC><EFBFBD>Ĵ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>Ϊ<EFBFBD><CEAA>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>BI_RGB<47><42>ʽʱ<CABD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0
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int biXPelsPerMeter ;//ˮƽ<CBAE>ֱ<EFBFBD><D6B1>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F>ױ<EFBFBD>ʾ
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int biYPelsPerMeter ;//<2F><>ֱ<EFBFBD>ֱ<EFBFBD><D6B1>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F>ױ<EFBFBD>ʾ
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unsigned int biClrUsed ;//λͼʵ<CDBC><CAB5>ʹ<EFBFBD>õIJ<C3B5>ɫ<EFBFBD><C9AB><EFBFBD>е<EFBFBD><D0B5><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0<CEAA>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD>
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unsigned int biClrImportant ;//<2F><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>ҪӰ<D2AA><D3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>
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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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logd("rgb565:%dbit,%d*%d,%d\n", 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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logd("*****success=%d\n", success);
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return success;
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}
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#endif
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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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typedef struct
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{
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int nPicWidth;
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int nPicHeight;
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unsigned char* pData;
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unsigned int nDataSize;
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}RgbVideoFrame;
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static int transformPictureMb32ToRGB(struct ScMemOpsS *memOps, VideoPicture* pPicture, VideoFrame* pVideoFrame)
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{
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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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unsigned short* pDst = NULL;
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unsigned char* pSrcY = NULL;
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unsigned char* pSrcVU = NULL;
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int x = 0;
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int y = 0;
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int nMbWidth = 0;
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int nMbHeight = 0;
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int nVMb = 0;
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int nHMb = 0;
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int yPos = 0;
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int pos = 0;
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int uvPos = 0;
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// <20><><EFBFBD>Խ<EFBFBD>pClipTable <20>Բ<EFBFBD><D4B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>transformPictureMb32ToRGB
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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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loge("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->nHeight*pPicture->nHeight/2);
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pDst = (unsigned short*)pVideoFrame->mData;
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pSrcY = (unsigned char*)pPicture->pData0;
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pSrcVU = (unsigned char*)pPicture->pData1;
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nMbWidth = pPicture->nWidth/32;
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nMbHeight = pPicture->nHeight/32;
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for(nVMb=0; nVMb<nMbHeight;nVMb++)
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{
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for(nHMb=0; nHMb<nMbWidth; nHMb++)
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{
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pos = nVMb*pPicture->nWidth*32+nHMb*32;
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for(y=0; y<32; y++)
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{
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yPos = (nVMb*nMbWidth+nHMb)*1024+y*32;
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uvPos = ((nVMb/2)*nMbWidth*1024)+nHMb*1024+(y/2)*32+ (((nVMb%2)==1) ? 512 : 0);
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for(x=0; x<32; x+=2)
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{
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signed y1 = (signed)pSrcY[yPos+x+0] - 16;
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|
|
signed y2 = (signed)pSrcY[yPos+x+1] - 16;
|
|||
|
|
signed u = (signed)pSrcVU[uvPos+x+0] - 128;
|
|||
|
|
signed v = (signed)pSrcVU[uvPos+x+1] - 128;
|
|||
|
|
signed u_b = u * 517;
|
|||
|
|
signed u_g = -u * 100;
|
|||
|
|
signed v_g = -v * 208;
|
|||
|
|
signed v_r = v * 409;
|
|||
|
|
signed tmp1 = y1 * 298;
|
|||
|
|
signed b1 = (tmp1 + u_b) / 256;
|
|||
|
|
signed g1 = (tmp1 + v_g + u_g) / 256;
|
|||
|
|
signed r1 = (tmp1 + v_r) / 256;
|
|||
|
|
signed tmp2 = y2 * 298;
|
|||
|
|
signed b2 = (tmp2 + u_b) / 256;
|
|||
|
|
signed g2 = (tmp2 + v_g + u_g) / 256;
|
|||
|
|
signed r2 = (tmp2 + v_r) / 256;
|
|||
|
|
unsigned int rgb1 = ((pClip[r1] >> 3) << 11) |
|
|||
|
|
((pClip[g1] >> 2) << 5) |
|
|||
|
|
(pClip[b1] >> 3);
|
|||
|
|
|
|||
|
|
unsigned int rgb2 = ((pClip[r2] >> 3) << 11) |
|
|||
|
|
((pClip[g2] >> 2) << 5) |
|
|||
|
|
(pClip[b2] >> 3);
|
|||
|
|
*(unsigned int *)(&pDst[pos]) = (rgb2 << 16) | rgb1;
|
|||
|
|
pos += 2;
|
|||
|
|
}
|
|||
|
|
pos += (nMbWidth-1)*32;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
pDst = (unsigned short*)pVideoFrame->mData;
|
|||
|
|
for(y=0; y<pPicture->nTopOffset; y++)
|
|||
|
|
{
|
|||
|
|
memset(pDst+y*pVideoFrame->mWidth, 0, 2*pVideoFrame->mWidth);
|
|||
|
|
}
|
|||
|
|
for(y=pPicture->nBottomOffset; y<pVideoFrame->mHeight; y++)
|
|||
|
|
{
|
|||
|
|
memset(pDst+y*pVideoFrame->mWidth, 0, 2*pVideoFrame->mWidth);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for(y=pPicture->nTopOffset; y<pPicture->nBottomOffset; y++)
|
|||
|
|
{
|
|||
|
|
memset(pDst+y*pVideoFrame->mWidth, 0, 2*pPicture->nLeftOffset);
|
|||
|
|
memset(pDst+y*pVideoFrame->mWidth+pPicture->nRightOffset, 0, 2*(pVideoFrame->mWidth-pPicture->nRightOffset));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
free(pClipTable);
|
|||
|
|
|
|||
|
|
#if SAVE_RGB
|
|||
|
|
FILE* outFp = fopen("/data/UDISK/rgb.bmp", "wb");
|
|||
|
|
if(outFp != NULL)
|
|||
|
|
{
|
|||
|
|
logd("************save_bmp_rgb565\n");
|
|||
|
|
save_bmp_rgb565(outFp, pVideoFrame->mWidth, pVideoFrame->mHeight, pVideoFrame->mData);
|
|||
|
|
fclose(outFp);
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static int transformPicture(struct ScMemOpsS *memOps, VideoPicture* pPicture, VideoFrame* pVideoFrame);
|
|||
|
|
|
|||
|
|
|
|||
|
|
static void clear(AwRetriever* v)
|
|||
|
|
{
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
p = (AwRetriverContext*)v;
|
|||
|
|
|
|||
|
|
if(p->mParser)
|
|||
|
|
{
|
|||
|
|
CdxParserForceStop(p->mParser); //* to prevend parser from blocking at a network io.
|
|||
|
|
CdxParserClose(p->mParser);
|
|||
|
|
p->mParser = NULL;
|
|||
|
|
p->mStream = NULL;
|
|||
|
|
}
|
|||
|
|
else if(p->mStream)
|
|||
|
|
{
|
|||
|
|
CdxStreamForceStop(p->mStream);
|
|||
|
|
CdxStreamClose(p->mStream);
|
|||
|
|
p->mStream = NULL;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(p->mVideoDecoder != NULL)
|
|||
|
|
{
|
|||
|
|
DestroyVideoDecoder(p->mVideoDecoder);
|
|||
|
|
p->mVideoDecoder = NULL;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(p->mSource.uri)
|
|||
|
|
{
|
|||
|
|
free(p->mSource.uri);
|
|||
|
|
}
|
|||
|
|
memset(&p->mMediaInfo, 0, sizeof(CdxMediaInfoT));
|
|||
|
|
|
|||
|
|
if(p->mVideoFrame.mData)
|
|||
|
|
{
|
|||
|
|
free(p->mVideoFrame.mData);
|
|||
|
|
p->mVideoFrame.mData = NULL;
|
|||
|
|
}
|
|||
|
|
memset(&p->mVideoFrame, 0x00, sizeof(VideoFrame));
|
|||
|
|
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
AwRetriever* AwRetrieverCreate()
|
|||
|
|
{
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
p = (AwRetriverContext*)malloc(sizeof(AwRetriverContext));
|
|||
|
|
if(!p)
|
|||
|
|
{
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
memset(p, 0x00, sizeof(AwRetriverContext));
|
|||
|
|
|
|||
|
|
memset(&p->mSource, 0, sizeof(CdxDataSourceT));
|
|||
|
|
|
|||
|
|
p->memops = MemAdapterGetOpsS();
|
|||
|
|
if(p->memops == NULL)
|
|||
|
|
{
|
|||
|
|
free(p);
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
CdcMemOpen(p->memops);
|
|||
|
|
|
|||
|
|
return (AwRetriever*)p;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int AwRetrieverDestory(AwRetriever* v)
|
|||
|
|
{
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
p = (AwRetriverContext*)v;
|
|||
|
|
|
|||
|
|
clear(v);
|
|||
|
|
CdcMemClose(p->memops);
|
|||
|
|
free(p);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
int AwRetrieverSetDataSource(AwRetriever* v, const char* pUrl)
|
|||
|
|
{
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
p = (AwRetriverContext*)v;
|
|||
|
|
clear(v);
|
|||
|
|
|
|||
|
|
//* 1. set the datasource object.
|
|||
|
|
//* check whether ths uri has a scheme.
|
|||
|
|
if(strstr(pUrl, "://") != NULL)
|
|||
|
|
{
|
|||
|
|
p->mSource.uri = strdup(pUrl);
|
|||
|
|
if(p->mSource.uri == NULL)
|
|||
|
|
{
|
|||
|
|
loge("can not dump string of uri.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
p->mSource.uri = (char*)malloc(strlen(pUrl)+8);
|
|||
|
|
if(p->mSource.uri == NULL)
|
|||
|
|
{
|
|||
|
|
loge("can not dump string of uri.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
sprintf(p->mSource.uri, "file://%s", pUrl);
|
|||
|
|
}
|
|||
|
|
logd("uri: %s", p->mSource.uri);
|
|||
|
|
|
|||
|
|
//* 2. create a parser.
|
|||
|
|
p->mStream = CdxStreamCreate(&p->mSource);
|
|||
|
|
if(!p->mStream)
|
|||
|
|
{
|
|||
|
|
loge("stream creat fail.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
int ret = CdxStreamConnect(p->mStream);
|
|||
|
|
if(ret < 0)
|
|||
|
|
{
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
p->mParser = CdxParserCreate(p->mStream, MUTIL_AUDIO);
|
|||
|
|
if(!p->mParser)
|
|||
|
|
{
|
|||
|
|
loge("parser creat fail.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
ret = CdxParserInit(p->mParser);
|
|||
|
|
if(ret < 0)
|
|||
|
|
{
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 3. get media info.
|
|||
|
|
memset(&p->mMediaInfo, 0, sizeof(CdxMediaInfoT));
|
|||
|
|
if(CdxParserGetMediaInfo(p->mParser, &p->mMediaInfo) == 0)
|
|||
|
|
{
|
|||
|
|
if (p->mParser->type == CDX_PARSER_TS ||
|
|||
|
|
p->mParser->type == CDX_PARSER_BD ||
|
|||
|
|
p->mParser->type == CDX_PARSER_HLS)
|
|||
|
|
{
|
|||
|
|
p->mMediaInfo.program[0].video[0].bIsFramePackage = 0; /* stream package */
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
p->mMediaInfo.program[0].video[0].bIsFramePackage = 1; /* frame package */
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
VideoFrame *AwRetrieverGetFrameAtTime(AwRetriever* v, int64_t timeUs)
|
|||
|
|
{
|
|||
|
|
VideoPicture* pPicture;
|
|||
|
|
int bDone;
|
|||
|
|
int bSuccess;
|
|||
|
|
int bHasVideo;
|
|||
|
|
int nHorizonScaleRatio;
|
|||
|
|
int nVerticalScaleRatio;
|
|||
|
|
|
|||
|
|
VConfig vconfig;
|
|||
|
|
CdxPacketT packet;
|
|||
|
|
int ret;
|
|||
|
|
int nPacketCount;
|
|||
|
|
int64_t nStartTime;
|
|||
|
|
int64_t nTimePassed;
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
|
|||
|
|
p = (AwRetriverContext*)v;
|
|||
|
|
|
|||
|
|
//* FIXME:
|
|||
|
|
//* if it is a media file with drm protection, we should not return an album art picture.
|
|||
|
|
#if MediaScanDedug
|
|||
|
|
logd("getFrameAtTime, mFd=%d", mFd);
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
bDone = 0;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
bHasVideo = 0;
|
|||
|
|
memset(&vconfig, 0, sizeof(VConfig));
|
|||
|
|
|
|||
|
|
//* 1. check whether there is a video stream.
|
|||
|
|
if(p->mMediaInfo.programIndex >= 0 && p->mMediaInfo.programNum >= p->mMediaInfo.programIndex)
|
|||
|
|
{
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].videoNum > 0)
|
|||
|
|
bHasVideo = 1;
|
|||
|
|
}
|
|||
|
|
if(!bHasVideo)
|
|||
|
|
{
|
|||
|
|
logw("media file do not contain a video stream, getFrameAtTime() return fail.");
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 2. create a video decoder.
|
|||
|
|
if(p->mVideoDecoder == NULL)
|
|||
|
|
{
|
|||
|
|
p->mVideoDecoder = CreateVideoDecoder();
|
|||
|
|
//* use decoder to capture thumbnail, decoder use less memory in this mode.
|
|||
|
|
vconfig.bThumbnailMode = 1;
|
|||
|
|
//* all decoder support YV12 format.
|
|||
|
|
#if(CONFIG_CHIP == OPTION_CHIP_C500 )
|
|||
|
|
vconfig.eOutputPixelFormat = PIXEL_FORMAT_YUV_MB32_420;
|
|||
|
|
#else
|
|||
|
|
vconfig.eOutputPixelFormat = PIXEL_FORMAT_YV12;
|
|||
|
|
#endif
|
|||
|
|
//* no need to decode two picture when decoding a thumbnail picture.
|
|||
|
|
vconfig.bDisable3D = 1;
|
|||
|
|
|
|||
|
|
vconfig.nAlignStride = 16;//* set align stride to 16 as defualt
|
|||
|
|
#if 1
|
|||
|
|
//* set this flag when the parser can give this info, mov files recorded by iphone or android phone
|
|||
|
|
//* conains this info.
|
|||
|
|
|
|||
|
|
//* set the rotation
|
|||
|
|
int nRotateDegree;
|
|||
|
|
int nRotation = atoi((const char*)p->mMediaInfo.rotate);
|
|||
|
|
|
|||
|
|
if(nRotation == 0)
|
|||
|
|
nRotateDegree = 0;
|
|||
|
|
else if(nRotation == 90)
|
|||
|
|
nRotateDegree = 1;
|
|||
|
|
else if(nRotation == 180)
|
|||
|
|
nRotateDegree = 2;
|
|||
|
|
else if(nRotation == 270)
|
|||
|
|
nRotateDegree = 3;
|
|||
|
|
else
|
|||
|
|
nRotateDegree = 0;
|
|||
|
|
|
|||
|
|
if(nRotateDegree != 0)
|
|||
|
|
{
|
|||
|
|
vconfig.bRotationEn = 1;
|
|||
|
|
vconfig.nRotateDegree = nRotateDegree;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
vconfig.bRotationEn = 0;
|
|||
|
|
vconfig.nRotateDegree = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endif
|
|||
|
|
//* set the picture scale down ratio, we generate a picture with pixel size less than 640x480.
|
|||
|
|
nHorizonScaleRatio = 0;
|
|||
|
|
nVerticalScaleRatio = 0;
|
|||
|
|
|
|||
|
|
if(vconfig.nRotateDegree == 1 || vconfig.nRotateDegree == 3)
|
|||
|
|
{
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth > 960 ||
|
|||
|
|
p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth == 0) /* nWidth=0 treated as nWidth=1920 */
|
|||
|
|
nHorizonScaleRatio = 2; //* scale down to 1/4 the original width;
|
|||
|
|
else if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth > 480)
|
|||
|
|
nHorizonScaleRatio = 1; //* scale down to 1/2 the original width;
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight > 1280 ||
|
|||
|
|
p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight == 0) /* nHeight=0 treated as nHeight=1080 */
|
|||
|
|
nVerticalScaleRatio = 2; //* scale down to 1/4 the original height;
|
|||
|
|
else if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight > 640)
|
|||
|
|
nVerticalScaleRatio = 1; //* scale down to 1/2 the original height;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth > 1280 ||
|
|||
|
|
p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth == 0) /* nWidth=0 treated as nWidth=1920 */
|
|||
|
|
nHorizonScaleRatio = 2; //* scale down to 1/4 the original width;
|
|||
|
|
else if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nWidth > 640)
|
|||
|
|
nHorizonScaleRatio = 1; //* scale down to 1/2 the original width;
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight > 960 ||
|
|||
|
|
p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight == 0) /* nHeight=0 treated as nHeight=1080 */
|
|||
|
|
nVerticalScaleRatio = 2; //* scale down to 1/4 the original height;
|
|||
|
|
else if(p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0].nHeight > 480)
|
|||
|
|
nVerticalScaleRatio = 1; //* scale down to 1/2 the original height;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* set to the same scale ratio.
|
|||
|
|
if(nVerticalScaleRatio > nHorizonScaleRatio)
|
|||
|
|
nHorizonScaleRatio = nVerticalScaleRatio;
|
|||
|
|
else
|
|||
|
|
nVerticalScaleRatio = nHorizonScaleRatio;
|
|||
|
|
|
|||
|
|
//* set scale ratio to vconfig.
|
|||
|
|
if(nHorizonScaleRatio || nVerticalScaleRatio)
|
|||
|
|
{
|
|||
|
|
vconfig.bScaleDownEn = 1;
|
|||
|
|
vconfig.nHorizonScaleDownRatio = nHorizonScaleRatio;
|
|||
|
|
vconfig.nVerticalScaleDownRatio = nVerticalScaleRatio;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* initialize the decoder.
|
|||
|
|
vconfig.nVbvBufferSize = 2*1024*1024;
|
|||
|
|
vconfig.nDeInterlaceHoldingFrameBufferNum = NUM_OF_PICTURES_KEEPPED_BY_DEINTERLACE;
|
|||
|
|
vconfig.nDisplayHoldingFrameBufferNum = 0;
|
|||
|
|
vconfig.nRotateHoldingFrameBufferNum = NUM_OF_PICTURES_KEEPPED_BY_ROTATE;
|
|||
|
|
vconfig.nDecodeSmoothFrameBufferNum = NUM_OF_PICTURES_FOR_EXTRA_SMOOTH;
|
|||
|
|
|
|||
|
|
vconfig.memops = p->memops;
|
|||
|
|
if(InitializeVideoDecoder(p->mVideoDecoder, &p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0], &vconfig) != 0)
|
|||
|
|
{
|
|||
|
|
loge("initialize video decoder fail.");
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(timeUs < 0)
|
|||
|
|
{
|
|||
|
|
//The key frame of MKV always at the end of file, need reset to 0,
|
|||
|
|
//otherwise will return mix thumbnail
|
|||
|
|
if(p->mParser->type == CDX_PARSER_MKV)
|
|||
|
|
{
|
|||
|
|
timeUs = 0;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
timeUs = ((int64_t)p->mMediaInfo.program[p->mMediaInfo.programIndex].duration*1000/2);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(p->mMediaInfo.program[p->mMediaInfo.programIndex].duration < 30000)
|
|||
|
|
{
|
|||
|
|
timeUs = 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 3. seek parser to the specific position.
|
|||
|
|
if(p->mMediaInfo.bSeekable && timeUs > 0 && timeUs < ((int64_t)p->mMediaInfo.program[p->mMediaInfo.programIndex].duration*1000))
|
|||
|
|
{
|
|||
|
|
//* FIXME.
|
|||
|
|
//* we should seek to a position according to the 'option' param.
|
|||
|
|
//* option = 0 means seek to the sync frame privious to the timeUs.
|
|||
|
|
//* option = 1 means seek to the sync frame next to the timeUs.
|
|||
|
|
//* option = 2 means seek to the sync frame closest to the timeUs.
|
|||
|
|
//* option = 3 means seek to the closest frame to the timeUs.
|
|||
|
|
//* here we process all case as option = 0.
|
|||
|
|
if(CdxParserSeekTo(p->mParser, timeUs) != 0)
|
|||
|
|
{
|
|||
|
|
loge("can not seek media file to the specific time %lld us.", timeUs);
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
logw("media file do not support seek operation, get frame from the begin.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 4. loop to decode a picture.
|
|||
|
|
nPacketCount = 0;
|
|||
|
|
nStartTime = GetSysTime();
|
|||
|
|
do
|
|||
|
|
{
|
|||
|
|
//* 4.1 prefetch packet type and packet data size.
|
|||
|
|
packet.flags = 0;
|
|||
|
|
if(CdxParserPrefetch(p->mParser, &packet) != 0)
|
|||
|
|
{
|
|||
|
|
//* prefetch fail, may be file end reached.
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 4.2 feed data to the video decoder.
|
|||
|
|
if(packet.type == CDX_MEDIA_VIDEO && (packet.flags&MINOR_STREAM)==0)
|
|||
|
|
{
|
|||
|
|
ret = RequestVideoStreamBuffer(p->mVideoDecoder,
|
|||
|
|
packet.length,
|
|||
|
|
(char**)&packet.buf,
|
|||
|
|
&packet.buflen,
|
|||
|
|
(char**)&packet.ringBuf,
|
|||
|
|
&packet.ringBufLen,
|
|||
|
|
0);
|
|||
|
|
|
|||
|
|
if(ret==0 && (packet.buflen+packet.ringBufLen)>=packet.length)
|
|||
|
|
{
|
|||
|
|
nPacketCount++;
|
|||
|
|
if(CdxParserRead(p->mParser, &packet) == 0)
|
|||
|
|
{
|
|||
|
|
VideoStreamDataInfo dataInfo;
|
|||
|
|
dataInfo.pData = (char*)packet.buf;
|
|||
|
|
dataInfo.nLength = packet.length;
|
|||
|
|
dataInfo.nPts = packet.pts;
|
|||
|
|
dataInfo.nPcr = -1;
|
|||
|
|
dataInfo.bIsFirstPart = 1;
|
|||
|
|
dataInfo.bIsLastPart = 1;
|
|||
|
|
dataInfo.nStreamIndex = 0;
|
|||
|
|
SubmitVideoStreamData(p->mVideoDecoder, &dataInfo, 0);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//* read data fail, may be data error.
|
|||
|
|
loge("read packet from parser fail.");
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//* no buffer, may be the decoder is full of stream.
|
|||
|
|
logw("waiting for stream buffer.");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//* only process the major video stream.
|
|||
|
|
//* allocate a buffer to read uncare media data and skip it.
|
|||
|
|
packet.buf = malloc(packet.length);
|
|||
|
|
if(packet.buf != NULL)
|
|||
|
|
{
|
|||
|
|
nPacketCount++;
|
|||
|
|
packet.buflen = packet.length;
|
|||
|
|
packet.ringBuf = NULL;
|
|||
|
|
packet.ringBufLen = 0;
|
|||
|
|
if(CdxParserRead(p->mParser, &packet) == 0)
|
|||
|
|
{
|
|||
|
|
free(packet.buf);
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
free(packet.buf);
|
|||
|
|
|
|||
|
|
//* read data fail, may be data error.
|
|||
|
|
loge("read packet from parser fail.");
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
loge("can not allocate buffer for none video packet.");
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 4.3 decode stream.
|
|||
|
|
ret = DecodeVideoStream(p->mVideoDecoder, 0 /*eos*/, 1/*key frame only*/, 0/*drop b frame*/, 0/*current time*/);
|
|||
|
|
|
|||
|
|
if(ret < 0)
|
|||
|
|
{
|
|||
|
|
loge("decode stream return fail.");
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
else if(ret == VDECODE_RESULT_RESOLUTION_CHANGE)
|
|||
|
|
{
|
|||
|
|
logi("video resolution changed.");
|
|||
|
|
ReopenVideoEngine(p->mVideoDecoder, &vconfig, &p->mMediaInfo.program[p->mMediaInfo.programIndex].video[0]);
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* 4.4 try to get a picture from the decoder.
|
|||
|
|
if(ret == VDECODE_RESULT_FRAME_DECODED || ret == VDECODE_RESULT_KEYFRAME_DECODED)
|
|||
|
|
{
|
|||
|
|
pPicture = RequestPicture(p->mVideoDecoder, 0/*the major stream*/);
|
|||
|
|
if(pPicture != NULL)
|
|||
|
|
{
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 1;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* check whether cost too long time or process too much packets.
|
|||
|
|
nTimePassed = GetSysTime() - nStartTime;
|
|||
|
|
if(nTimePassed > MAX_TIME_TO_GET_A_FRAME || nTimePassed < 0)
|
|||
|
|
{
|
|||
|
|
logw("cost more than %d us but can not get a picture, quit.", MAX_TIME_TO_GET_A_FRAME);
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if(nPacketCount > MAX_PACKET_COUNT_TO_GET_A_FRAME)
|
|||
|
|
{
|
|||
|
|
logw("process more than %d packets but can not get a picture, quit.", MAX_PACKET_COUNT_TO_GET_A_FRAME);
|
|||
|
|
bDone = 1;
|
|||
|
|
bSuccess = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}while(!bDone);
|
|||
|
|
|
|||
|
|
//* 5. transform the picture if suceess to get a picture.
|
|||
|
|
if(bSuccess)
|
|||
|
|
{
|
|||
|
|
//* let the width and height is multiple of 2, for convinient of yuv to rgb565 converting.
|
|||
|
|
if(pPicture->nLeftOffset & 1)
|
|||
|
|
pPicture->nLeftOffset += 1;
|
|||
|
|
if(pPicture->nRightOffset & 1)
|
|||
|
|
pPicture->nRightOffset -= 1;
|
|||
|
|
if(pPicture->nTopOffset & 1)
|
|||
|
|
pPicture->nTopOffset += 1;
|
|||
|
|
if(pPicture->nBottomOffset & 1)
|
|||
|
|
pPicture->nBottomOffset -= 1;
|
|||
|
|
|
|||
|
|
//* I find that the mpeg2 decoder output the original picture's crop params,
|
|||
|
|
//* it is bigger than the scaledown picture's size.
|
|||
|
|
if((pPicture->nBottomOffset != 0 || pPicture->nRightOffset != 0) &&
|
|||
|
|
pPicture->nRightOffset <= pPicture->nLineStride)
|
|||
|
|
{
|
|||
|
|
p->mVideoFrame.mDisplayWidth = pPicture->nRightOffset - pPicture->nLeftOffset;
|
|||
|
|
p->mVideoFrame.mDisplayHeight = pPicture->nBottomOffset - pPicture->nTopOffset;
|
|||
|
|
p->mVideoFrame.mWidth = p->mVideoFrame.mDisplayWidth;
|
|||
|
|
p->mVideoFrame.mHeight = p->mVideoFrame.mDisplayHeight;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
p->mVideoFrame.mDisplayWidth = pPicture->nWidth;
|
|||
|
|
p->mVideoFrame.mDisplayHeight = pPicture->nHeight;
|
|||
|
|
p->mVideoFrame.mWidth = pPicture->nWidth;
|
|||
|
|
p->mVideoFrame.mHeight = pPicture->nHeight;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(pPicture->ePixelFormat == PIXEL_FORMAT_YUV_MB32_420)
|
|||
|
|
{
|
|||
|
|
// for 1663, mb32
|
|||
|
|
p->mVideoFrame.mDisplayWidth = pPicture->nWidth;
|
|||
|
|
p->mVideoFrame.mDisplayHeight = pPicture->nHeight;
|
|||
|
|
p->mVideoFrame.mWidth = pPicture->nWidth;
|
|||
|
|
p->mVideoFrame.mHeight = pPicture->nHeight;
|
|||
|
|
p->mVideoFrame.mSize = p->mVideoFrame.mWidth * p->mVideoFrame.mHeight * 2;
|
|||
|
|
p->mVideoFrame.mData = (unsigned char*)malloc(p->mVideoFrame.mSize);
|
|||
|
|
if(p->mVideoFrame.mData == NULL)
|
|||
|
|
{
|
|||
|
|
loge("can not allocate memory for video frame.");
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
p->mVideoFrame.mSize = p->mVideoFrame.mWidth * p->mVideoFrame.mHeight * 2; //* for RGB565 pixel format.
|
|||
|
|
p->mVideoFrame.mData = (unsigned char*)malloc(p->mVideoFrame.mSize);
|
|||
|
|
if(p->mVideoFrame.mData == NULL)
|
|||
|
|
{
|
|||
|
|
loge("can not allocate memory for video frame.");
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
p->mVideoFrame.mRotationAngle = 0;
|
|||
|
|
|
|||
|
|
if(pPicture->ePixelFormat == PIXEL_FORMAT_YUV_MB32_420)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
//* convert pixel format.
|
|||
|
|
if(transformPictureMb32ToRGB(p->memops, pPicture, &p->mVideoFrame) < 0)
|
|||
|
|
{
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if(transformPicture(p->memops, pPicture, &p->mVideoFrame) < 0)
|
|||
|
|
{
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return &p->mVideoFrame;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
loge("cannot decode a picture.");
|
|||
|
|
return NULL;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int AwRetrieverGetMetaData(AwRetriever* v, int type, void* pVal)
|
|||
|
|
{
|
|||
|
|
AwRetriverContext* p;
|
|||
|
|
p = (AwRetriverContext*)v;
|
|||
|
|
|
|||
|
|
switch(type)
|
|||
|
|
{
|
|||
|
|
case METADATA_VIDEO_WIDTH:
|
|||
|
|
{
|
|||
|
|
int *w = (int*)pVal;
|
|||
|
|
logd("w: %d", p->mMediaInfo.program[0].video[0].nWidth);
|
|||
|
|
*w = p->mMediaInfo.program[0].video[0].nWidth;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
case METADATA_VIDEO_HEIGHT:
|
|||
|
|
{
|
|||
|
|
int *h = (int*)pVal;
|
|||
|
|
logd("h: %d", p->mMediaInfo.program[0].video[0].nHeight);
|
|||
|
|
*h = p->mMediaInfo.program[0].video[0].nHeight;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
case METADATA_DURATION:
|
|||
|
|
{
|
|||
|
|
int *duration = (int*)pVal;
|
|||
|
|
*duration = p->mMediaInfo.program[0].duration;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
static int64_t GetSysTime()
|
|||
|
|
{
|
|||
|
|
int64_t time;
|
|||
|
|
struct timeval t;
|
|||
|
|
gettimeofday(&t, NULL);
|
|||
|
|
time = (int64_t)t.tv_sec * 1000000;
|
|||
|
|
time += t.tv_usec;
|
|||
|
|
return time;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
static int transformPicture(struct ScMemOpsS *memOps, VideoPicture* pPicture, VideoFrame* pVideoFrame)
|
|||
|
|
{
|
|||
|
|
unsigned short* pDst;
|
|||
|
|
unsigned char* pSrcY;
|
|||
|
|
unsigned char* pSrcU;
|
|||
|
|
unsigned char* pSrcV;
|
|||
|
|
int y;
|
|||
|
|
int x;
|
|||
|
|
unsigned char* pClipTable;
|
|||
|
|
unsigned char* pClip;
|
|||
|
|
|
|||
|
|
static const int nClipMin = -278;
|
|||
|
|
static const int nClipMax = 535;
|
|||
|
|
|
|||
|
|
if((pPicture->ePixelFormat!= PIXEL_FORMAT_YV12) &&
|
|||
|
|
(pPicture->ePixelFormat!= PIXEL_FORMAT_YUV_PLANER_420))
|
|||
|
|
{
|
|||
|
|
loge("source pixel format is not YV12, quit.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//* initialize the clip table.
|
|||
|
|
pClipTable = (unsigned char*)malloc(nClipMax - nClipMin + 1);
|
|||
|
|
if(pClipTable == NULL)
|
|||
|
|
{
|
|||
|
|
loge("can not allocate memory for the clip table, quit.");
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
for(x=nClipMin; x<=nClipMax; x++)
|
|||
|
|
{
|
|||
|
|
pClipTable[x-nClipMin] = (x<0) ? 0 : (x>255) ? 255 : x;
|
|||
|
|
}
|
|||
|
|
pClip = &pClipTable[-nClipMin];
|
|||
|
|
|
|||
|
|
//* flush cache.
|
|||
|
|
CdcMemFlushCache(memOps, pPicture->pData0, pPicture->nLineStride*pPicture->nHeight);
|
|||
|
|
CdcMemFlushCache(memOps, pPicture->pData1, pPicture->nLineStride*pPicture->nHeight/4);
|
|||
|
|
CdcMemFlushCache(memOps, pPicture->pData2, pPicture->nLineStride*pPicture->nHeight/4);
|
|||
|
|
|
|||
|
|
//* set pointers.
|
|||
|
|
pDst = (unsigned short*)pVideoFrame->mData;
|
|||
|
|
pSrcY = (unsigned char*)pPicture->pData0 + pPicture->nTopOffset * pPicture->nLineStride + pPicture->nLeftOffset;
|
|||
|
|
|
|||
|
|
|
|||
|
|
if(pPicture->ePixelFormat== PIXEL_FORMAT_YV12)
|
|||
|
|
{
|
|||
|
|
pSrcV = (unsigned char*)pPicture->pData1 + (pPicture->nTopOffset/2) * (pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
|
|||
|
|
pSrcU = (unsigned char*)pPicture->pData2 + (pPicture->nTopOffset/2) * (pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
pSrcU = (unsigned char*)pPicture->pData1 + (pPicture->nTopOffset/2) * (pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
|
|||
|
|
pSrcV = (unsigned char*)pPicture->pData2 + (pPicture->nTopOffset/2) * (pPicture->nLineStride/2) + pPicture->nLeftOffset/2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for(y = 0; y < (int)pVideoFrame->mHeight; ++y)
|
|||
|
|
{
|
|||
|
|
for(x = 0; x < (int)pVideoFrame->mWidth; x += 2)
|
|||
|
|
{
|
|||
|
|
// B = 1.164 * (Y - 16) + 2.018 * (U - 128)
|
|||
|
|
// G = 1.164 * (Y - 16) - 0.813 * (V - 128) - 0.391 * (U - 128)
|
|||
|
|
// R = 1.164 * (Y - 16) + 1.596 * (V - 128)
|
|||
|
|
|
|||
|
|
// B = 298/256 * (Y - 16) + 517/256 * (U - 128)
|
|||
|
|
// G = .................. - 208/256 * (V - 128) - 100/256 * (U - 128)
|
|||
|
|
// R = .................. + 409/256 * (V - 128)
|
|||
|
|
|
|||
|
|
// min_B = (298 * (- 16) + 517 * (- 128)) / 256 = -277
|
|||
|
|
// min_G = (298 * (- 16) - 208 * (255 - 128) - 100 * (255 - 128)) / 256 = -172
|
|||
|
|
// min_R = (298 * (- 16) + 409 * (- 128)) / 256 = -223
|
|||
|
|
|
|||
|
|
// max_B = (298 * (255 - 16) + 517 * (255 - 128)) / 256 = 534
|
|||
|
|
// max_G = (298 * (255 - 16) - 208 * (- 128) - 100 * (- 128)) / 256 = 432
|
|||
|
|
// max_R = (298 * (255 - 16) + 409 * (255 - 128)) / 256 = 481
|
|||
|
|
|
|||
|
|
// clip range -278 .. 535
|
|||
|
|
|
|||
|
|
signed y1 = (signed)pSrcY[x] - 16;
|
|||
|
|
signed y2 = (signed)pSrcY[x + 1] - 16;
|
|||
|
|
|
|||
|
|
signed u = (signed)pSrcU[x / 2] - 128;
|
|||
|
|
signed v = (signed)pSrcV[x / 2] - 128;
|
|||
|
|
|
|||
|
|
signed u_b = u * 517;
|
|||
|
|
signed u_g = -u * 100;
|
|||
|
|
signed v_g = -v * 208;
|
|||
|
|
signed v_r = v * 409;
|
|||
|
|
|
|||
|
|
signed tmp1 = y1 * 298;
|
|||
|
|
signed b1 = (tmp1 + u_b) / 256;
|
|||
|
|
signed g1 = (tmp1 + v_g + u_g) / 256;
|
|||
|
|
signed r1 = (tmp1 + v_r) / 256;
|
|||
|
|
|
|||
|
|
signed tmp2 = y2 * 298;
|
|||
|
|
signed b2 = (tmp2 + u_b) / 256;
|
|||
|
|
signed g2 = (tmp2 + v_g + u_g) / 256;
|
|||
|
|
signed r2 = (tmp2 + v_r) / 256;
|
|||
|
|
|
|||
|
|
unsigned int rgb1 = ((pClip[r1] >> 3) << 11) |
|
|||
|
|
((pClip[g1] >> 2) << 5) |
|
|||
|
|
(pClip[b1] >> 3);
|
|||
|
|
|
|||
|
|
unsigned int rgb2 = ((pClip[r2] >> 3) << 11) |
|
|||
|
|
((pClip[g2] >> 2) << 5) |
|
|||
|
|
(pClip[b2] >> 3);
|
|||
|
|
|
|||
|
|
*(unsigned int *)(&pDst[x]) = (rgb2 << 16) | rgb1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
pSrcY += pPicture->nLineStride;
|
|||
|
|
|
|||
|
|
if(y & 1)
|
|||
|
|
{
|
|||
|
|
pSrcU += pPicture->nLineStride / 2;
|
|||
|
|
pSrcV += pPicture->nLineStride / 2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
pDst += pVideoFrame->mWidth;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
free(pClipTable);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|