DM8168 custom board 成功启动系统之后想先測一下8168编解码功能,把开发包里的examples跑一遍。启动完毕后。连上HDMI显示,在starting Matrix GUI application后HDMI已经有输出了,这时候优先选择了decode_display功能来測试。

root@8168:/usr/share/ti/ti-omx# ./decode_display_a8host_debug.xv5T -i ../data/videos/dm816x_1080p_demo.264 -w 1920 -h 1080 -f 60 -g 0 -d 0 -c h264

input file: dm816x_1080p_demo.264

width: 1920

height: 1080

frame_rate: 60

gfx: fbdev disable

codec: h264

display_id: 0

Decoder-Display example

===============================

OMX_Init completed

UIAClient is ready to send a UIA configuration command

UIAClient received UIA_CONFIGURE_ACK

UIAClient is done sending requests

UIAClient is ready to send a UIA configuration command

UIAClient received UIA_CONFIGURE_ACK

UIAClient is done sending requests

opening file

decoder compoenent is created

PADX: 32 PADY: 24

level set is 12

scalar compoenent is created

set input port params (width = 1920, height = 1080)

set output port params (width = 1920, height = 1080)

set number of channels

set input resolution

set output resolution

enable scalar input port

got eventEnable/Disable Event

enable scalar output port

got eventEnable/Disable Event

found handle 0x127f58 for component OMX.TI.VPSSM3.VFDC

got display handle

found handle 0x12ba60 for component OMX.TI.VPSSM3.CTRL.DC

Buffer Size computed: 4147200

set input port params (width = 1920, height = 1080)

setting input and output memory type to default

enable input port

got eventEnable/Disable Event

connect call for decoder-scalar

connect call for scalar-display

decoder inport buffers allocated

decoder outport buffers allocated

got eventState changed to: OMX_StateIdle

state IDLE

Scalar input port use buffer done

scalar outport buffers allocated

got eventState changed to: OMX_StateIdle

scalar state IDLE

got eventState changed to: OMX_StateIdle

ctrl-dc state IDLE

got eventState changed to: OMX_StateIdle

display state IDLE

got eventState changed to: OMX_StateExecuting

display control state execute

got event*** unrecoverable error: OMX_ErrorBadParameter (0x80001005)

Press a key to proceed

出了错误 got event*** unrecoverable error: OMX_ErrorBadParameter (0x80001005)

想了许久,查了非常多。最后想到了要改变分辨率。

root@8168:~#sh change_resolution.sh 1080p60

改动分辨率成功后,reboot。再尝试:

root@8168:/usr/share/ti/ti-omx# ./decode_display_a8host_debug.xv5T -i ../data/videos/dm816x_1080p_demo.264 -w 1920 -h 1080 -f 60 -g 0 -d 0 -c h264

input file: ../data/videos/dm816x_1080p_demo.264

width: 1920

height: 1080

frame_rate: 60

gfx: fbdev disable

codec: h264

display_id: 0

Decoder-Display example

===============================

OMX_Init completed

UIAClient is ready to send a UIA configuration command

UIAClient received UIA_CONFIGURE_ACK

UIAClient is done sending requests

UIAClient is ready to send a UIA configuration command

UIAClient received UIA_CONFIGURE_ACK

UIAClient is done sending requests

opening file

decoder compoenent is created

PADX: 32 PADY: 24

level set is 12

scalar compoenent is created

set input port params (width = 1920, height = 1080)

set output port params (width = 1920, height = 1080)

set number of channels

set input resolution

set output resolution

enable scalar input port

got eventEnable/Disable Event

enable scalar output port

got eventEnable/Disable Event

found handle 0x127f58 for component OMX.TI.VPSSM3.VFDC

got display handle

found handle 0x12ba60 for component OMX.TI.VPSSM3.CTRL.DC

Buffer Size computed: 4147200

set input port params (width = 1920, height = 1080)

setting input and output memory type to default

enable input port

got eventEnable/Disable Event

connect call for decoder-scalar

connect call for scalar-display

decoder inport buffers allocated

decoder outport buffers allocated

got eventState changed to: OMX_StateIdle

state IDLE

Scalar input port use buffer done

scalar outport buffers allocated

got eventState changed to: OMX_StateIdle

scalar state IDLE

got eventState changed to: OMX_StateIdle

ctrl-dc state IDLE

got eventState changed to: OMX_StateIdle

display state IDLE

got eventState changed to: OMX_StateExecuting

display control state execute

got eventState changed to: OMX_StateExecuting

display state execute

got eventState changed to: OMX_StateExecuting

scalar state execute

got eventState changed to: OMX_StateExecuting

decoder state execute

file read thread created

decoder connect thread created

scalar connect thread created

display connect thread created

executing the appliaction now!!!

No data available for Read

got eventOMX_EventBufferFlag

got EOS event

got eventOMX_EventBufferFlag

got EOS event

got eventOMX_EventBufferFlag

got EOS event

tearing down the decode-display example

exiting thread

exiting thread

exiting thread

got eventState changed to: OMX_StateIdle

decoder state idle

got eventState changed to: OMX_StateIdle

Scalar state idle

got eventState changed to: OMX_StateIdle

display state idle

got eventState changed to: OMX_StateIdle

display control state idle

got eventState changed to: OMX_StateLoaded

decoder state loaded

got eventState changed to: OMX_StateLoaded

Scalar state loaded

got eventState changed to: OMX_StateLoaded

display state loaded

got eventState changed to: OMX_StateLoaded

ctrl-dc state loaded

decoder free handle

scalar free handle

display free handle

ctrl-dc free handle

IL Client deinitialized

example exit

root@8168:/usr/share/ti/ti-omx#

成功完毕了整个264文件的解码显示功能,结束后退出。

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