Questions tagged [davinci]

TI DaVinci Digital Video Processors

From here:

Optimized for digital video systems, DaVinci™ digital media processor solutions are tailored for digital audio, video, imaging, and vision applications. The DaVinci platform includes a general purpose processor, video accelerators, an optional DSP, and related peripherals.

16 questions
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TI DSP programming - is C fast enough or do I need an assembler?

I am going to write some image processing programs for Texas Instruments DaVinci platform. There are tools appropriate for programming in the C language, but I wonder if it is really possible to take full advantage of the DSP processor without…
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RNDIS gadget cannot start

I build video cameras with a Linux kernel on a TI Davinci dm365 board. This board supports RNDIS drivers so my camera can be "plug and play" in windows. This is some kind of "Ethernet over USB" network adapter. Windows load the RNDIS driver…
Eric
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How to deal with negative values when manipulating CIE xyY or XYZ colors?

I'm writing some image processing code to do some creative color gamut limiting that I want to use for color grading applicationgs. I'm building to operate in the Davinci Wide Gamut color space, typically using the DaVinci Intermediate logarithmic…
Emil Eriksson
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davinci OSD issues

I am working on a project using TI 365 DSP. There is an annoying issue of OSD transparency working in YUV422 mode. YUV422 is a packed format and the OSD transparency implementation knocks out only Y field by the provided transparency value, so if…
Ulterior
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DaVinci Error code 999 , the gpu failed to perform image processing error code 999

I recently installed DaVinci resolve 18.1 and got "the gpu failed to perform image processing error code 999" Error as soon as I started the Program. I had no Clue . Requires solution.
tikendraw
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How to access the 'Comment' property of a fusion clip from a script on a tool inside that clip

In brief, how can I reference the 'Comment' property of a fusion clip from a script inside the clip. I imagine something like self.clip.comment perhaps. In detail, I have added a HorizontalLineReveal to a composition. I want to set the text based on…
Andrew
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Android App and Communications via USB

Ok, so I have researched this somewhat and am not encouraged, but I'm going to ask anyway, and be specific about what I'm trying to do. Maybe it will help! I have a custom board with DaVinci processor with USB 2.0 OTG controller on it. I have it…
Brian
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Journey from arecord to mcasp codecs

Can anyone help me understand how the flow happens from alsa utility arecord to mcasp codecs (davinvi-mcasp.c) startup functions? As we can specify the sound card and the device (arecord -Dhw:1,0), I assume asla already has been instructed which…
parags
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Autosar interface for handwritten

I'm new to Autosar. I was asked to implement Autosar interface for hand written code, create RTE and ARXML files, and send Arxml file to other group. I have two runnables in my code. Let's say for example interface variables (inputs) X and Y, and we…
H. Gahni
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Profile QT, QML application, on a Linux system ( DaVinci board)

Good evening, I inherited a project made using QT creator (C++ and Qt Quick). The target is a DaVinci DM8168 board with **Linux kernel 2.6.37 **on it. In particular I'm using Qt Creator 4.2.0 (4.2.0) Based on Qt 5.7.1 (GCC 4.9.1 20140922 (Red Hat…
Andak
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DM6446 GPIO Bank 0 request_irq returns -22

I'm trying to set up an interrupt-handler in my driver for DM6446 GPIO BANK 0 interrupt.But request_irq returns -22.I know the Interrupt number for GPIO BANK-0 from the data sheet which states it to be 56.Following are the settings for GPIO in my…
Naeem Khan
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Are DMA transfers supported with the davinci-spi device driver that is configured using devicetree?

I am trying to use DMA to program an FPGA connected to an OMAP-L138's SPI bus, but without success. Currently, I am using the stock davinci-spi driver (drivers/spi/spi-davinci.c)that comes with linux 3.19. FPGA configuration is successful (without…
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Error when building Qt for embedded system

I'm trying to build Qt 4.8.5 for DaVinci DM365 (ARM 9). I copied mkspecs/qws/linux-arm-gnueabi-g++ and named it dm365 so here's how my qmake.conf looks…
Dmitrii Mikhailov
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ttyS1/uart1 initialised but not accessible through /dev/ttyS1

Apologies if this is the wrong place for this question, I'm not currently sure which level the problem is at so I'm hedging my bets a tad. System is a LeopardBoard DM368 running TI's own SDK / LSP / BusyBox kernel. By default the system has one UART…
John U
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Debugging DSP Application Remotly With GDB and QT Creator

I have an image processing application which uses QT and TI Video Decoder example, it runs on TI DaVinci, DM6446. I am using QT Creator and compile process gives me two binaries, one for the ARM core, one for the DSP. The DSP binary has the…
Murat Şeker
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