目前对于720p的数据 编译出来baseline 4.1格式 能否编出baseline 3.1格式的720p的H264码流
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目前对于720p的数据 编译出来baseline 4.1格式 能否编出baseline 3.1格式的720p的H264码流
你好;
在DVRRDK_03.00.00.00/dvr_rdk/mcfw/src_bios6/links_m3video/codec_utils/src/utils_encdec.c文件可以配置;
Int Utils_encdecGetCodecLevel(UInt32 codingFormat, UInt32 maxWidth, UInt32 maxHeight, UInt32 maxFrameRate, UInt32 maxBitRate, Int32 * pLevel, Bool isEnc) { Int retVal = UTILS_ENCDEC_S_SUCCESS; (Void) maxWidth; (Void) maxHeight; (Void) maxFrameRate; (Void) maxBitRate; switch (codingFormat) { case IVIDEO_H264BP: case IVIDEO_H264MP: case IVIDEO_H264HP: switch (Utils_encdecGetResolutionClass(maxWidth, maxHeight)) { case UTILS_ENCDEC_RESOLUTION_CLASS_16MP: case UTILS_ENCDEC_RESOLUTION_CLASS_9MP: case UTILS_ENCDEC_RESOLUTION_CLASS_5MP: case UTILS_ENCDEC_RESOLUTION_CLASS_4MP: if (isEnc) *pLevel = IH264_LEVEL_51; else *pLevel = IH264VDEC_LEVEL51; break; case UTILS_ENCDEC_RESOLUTION_CLASS_1080P: case UTILS_ENCDEC_RESOLUTION_CLASS_720P: if (isEnc) *pLevel = IH264_LEVEL_50; else *pLevel = IH264VDEC_LEVEL5; break; case UTILS_ENCDEC_RESOLUTION_CLASS_CIF: if (isEnc) *pLevel = IH264_LEVEL_30; else *pLevel = IH264VDEC_LEVEL3; break; case UTILS_ENCDEC_RESOLUTION_CLASS_D1: if (isEnc) *pLevel = IH264_LEVEL_31; else *pLevel = IH264VDEC_LEVEL31; break; default: if (isEnc) *pLevel = IH264_LEVEL_41; else *pLevel = IH264VDEC_LEVEL41; break; } break; case IVIDEO_MPEG4SP: case IVIDEO_MPEG4ASP: switch (Utils_encdecGetResolutionClass(maxWidth, maxHeight)) { case UTILS_ENCDEC_RESOLUTION_CLASS_16MP: case UTILS_ENCDEC_RESOLUTION_CLASS_9MP: case UTILS_ENCDEC_RESOLUTION_CLASS_5MP: case UTILS_ENCDEC_RESOLUTION_CLASS_4MP: case UTILS_ENCDEC_RESOLUTION_CLASS_1080P: if (isEnc) *pLevel = IMPEG4ENC_SP_LEVEL_6; break; case UTILS_ENCDEC_RESOLUTION_CLASS_CIF: if (isEnc) *pLevel = IMPEG4ENC_SP_LEVEL_4A; break; case UTILS_ENCDEC_RESOLUTION_CLASS_720P: case UTILS_ENCDEC_RESOLUTION_CLASS_D1: if (isEnc) *pLevel = IMPEG4ENC_SP_LEVEL_5; break; default: if (isEnc) *pLevel = IMPEG4ENC_SP_LEVEL_5; break; } break; default: *pLevel = IVIDENC2_DEFAULTLEVEL; retVal = UTILS_ENCDEC_E_UNKNOWNCODINGTFORMAT; break; } return retVal; }
在这个函数里面配置就可以了