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近日正在研究sxg75的视频最优码率
网上搜不到啊
坛子里的兄弟说最多也就不过每秒12帧
so,查一下cpu或者芯片组的支持不就全部清楚了?
坛子里的ryu8023兄弟曾经曰过,sxg75的芯片组可能是 高通6250芯片
但在高通的官网上查了一下,并没有这个型号的chipset
支持umts(也就是wcdma)的chipset也就是以下几款:
MSM7201
MSM6281
MSM6260
MSM6245
QSC6270
QSC6240
按照sxg75的硬件参数逐一排除了一下
也就是
msm6260或者qsc6240
msm指Mobile Station Modem,而qsc指单芯片
由此可见msm的可能性大一些
这里奉上msm6260的详细信息大家研究一下(不喜欢鸟文的直接飘过):
Overview
Capitalize on the mainstream 3G market with devices powered by the MSM6260™ chipset for WCDMA (UMTS)/HSDPA and GSM/GPRS/EDGE (EGPRS) networks.
Benefits
Increase revenue with wireless data services that subscribers want
Secure customer loyalty and reduce turnover by offering in-demand services on popular mainstream devices powered by Qualcomm multimedia solutions
Get to market faster with seamlessly integrated chipsets that reduce BOM and development costs
Maximize profits with sleek, cost-effective handsets that deliver compelling wireless multimedia to multiple market segments
Respond to consumer demand for high-speed wireless multimedia with peak data rates of 3.6 Mbps on HSDPA networks
Technical Features
Supports WCDMA/HSDPA and EGPRS networks
ARM926EJ-S™ microprocessor core with memory management unit (MMU)
QDSP4000™ high-performance digital signal processors (DSP)
ARM® Jazelle™ Java® hardware acceleration
Support for BREW® and Java applications
Qcamera™: Up to 2.0 megapixel digital images
Qtv™: Playback at 15 fps QCIF
Qcamcorder™: Record at 15 fps QCIF
Up to 50k 3D triangles/second, and 400k depth-tested, textured and 1M depth-tested, shaded 3D pixels/second fill rate
gpsOne® position-location assisted GPS (A-GPS) solution
Digital audio support for MP3/AAC/aacPlus™
Integrated Bluetooth® baseband processor support
这里面提到的视频回放可是15帧啊
大家用wismenccode之类的试压一下MP4、3gp看看
不然浪费320*240的屏了
另外奉上一篇恶补高通硬件知识的文章:
甘做幕后英雄 13款高通手机芯片组解析
http://mobile.zol.com.cn/143/1433136.html
大家一起研究一下
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