WhyCan Forum(哇酷开发者社区)

	AREA WB_INIT, CODE, READONLY
		
USR_MODE	EQU		0x10
FIQ_MODE	EQU		0x11
IRQ_MODE	EQU		0x12
SVC_MODE	EQU		0x13
ABT_MODE	EQU		0x17
UDF_MODE	EQU		0x1B
SYS_MODE	EQU		0x1F
	
I_BIT		EQU		0x80
F_BIT		EQU		0x40
	
IRQ_RAMStack EQU	0x81FA0000		
DRAM_Limit	EQU		0x81F00000		;DDR栈顶
RAM_Limit	EQU		0x4000 ;内存大小 32k
UND_Stack	EQU		RAM_Limit - 128
Abort_Stack	EQU		RAM_Limit - 256
IRQ_Stack	EQU		RAM_Limit - 512
FIQ_Stack	EQU		RAM_Limit - 768
SVC_Stack	EQU		RAM_Limit - 1024
USR_Stack	EQU		RAM_Limit - 2048

	ENTRY
;	EXPORT	Reset_Go
;	EXPORT 	Vector_Table
	IMPORT  ||Load$$ER_IROM1$$Length||
	IMPORT	||Image$$RW_RAM1$$RW$$Length||	

; 链接器产生代码链接运行位置	
_start
;	/* Boot head information for BROM */
	
	DCD 0xea000016
	DCB 'e', 'G', 'O', 'N', '.', 'B', 'T', '0'
	DCD 0, ||Load$$ER_IROM1$$Length||
;	DCD 0, __bootloader_size
	DCB 'S', 'P', 'L', 2
	DCD 0, 0
	DCD 0, 0, 0, 0, 0, 0, 0, 0
	DCD 0, 0, 0, 0, 0, 0, 0, 0	;/* 0x40 - boot params, 0x58 - fel boot type, 0x5c - dram size */

Vector_Table
	B		Reset_Go
	LDR     PC, Undefined_Addr
	LDR     PC, SWI_Addr
	LDR     PC, Prefetch_Addr
	LDR     PC, Abort_Addr
	DCD		0x0
	LDR     PC, IRQ_Addr
	LDR     PC, FIQ_Addr
	
	
Reset_Addr      DCD     Reset_Go
Undefined_Addr  DCD     Undefined_Handler
SWI_Addr        DCD     SWI_Handler1
Prefetch_Addr   DCD     Prefetch_Handler
Abort_Addr      DCD     Abort_Handler
				DCD		0
IRQ_Addr        DCD     IRQ_Handler
FIQ_Addr        DCD     FIQ_Handler
	
Undefined_Handler
        B       Undefined_Handler
SWI_Handler1
        B       SWI_Handler1     
Prefetch_Handler
        B       Prefetch_Handler
Abort_Handler
        B       Abort_Handler
		IMPORT	arm32_do_irq
		PRESERVE8
IRQ_Handler
	ldr sp,=IRQ_RAMStack
	sub sp, sp, #72
	stmia sp, {r0 - r12}
	add r8, sp, #60
	stmdb r8, {sp, lr}^
	str lr, [r8, #0]
	mrs r6, spsr
	str r6, [r8, #4]
	str r0, [r8, #8]
	mov r0, sp
	bl arm32_do_irq
	ldmia sp, {r0 - lr}^
	mov r0, r0
	ldr lr, [sp, #60]
	add sp, sp, #72
	subs pc, lr, #4
	
FIQ_Handler
        B       FIQ_Handler

	EXPORT	__CodeAddr__
	EXPORT	__RamSize__
; 引入链接器产生符号，以确定代码运行位置，编译生成的大小
	IMPORT  ||Image$$ER_IROM1$$Base||
	IMPORT  ||Image$$RW_RAM1$$ZI$$Base||
	IMPORT	||Image$$RW_RAM1$$ZI$$Length||
	IMPORT	||Image$$RW_RAM1$$RW$$Length||	
	IMPORT  ||Image$$ER_IROM1$$Length||
	IMPORT  ||Image$$ER_IROM2$$Length||
;	IMPORT  ||Image$$ER_IROM2$$Length||	
; 链接器产生代码链接运行位置
__CodeAddr__	DCD		||Image$$ER_IROM1$$Base||
__CodeSize__    DCD 	||Image$$ER_IROM1$$Length|| + ||Image$$ER_IROM2$$Length||

__RamSize__     DCD 	||Image$$ER_IROM1$$Length|| + ||Image$$ER_IROM2$$Length|| + ||Image$$RW_RAM1$$RW$$Length||
__BssStart__	DCD		||Image$$RW_RAM1$$ZI$$Base||
__BssLenth__    DCD 	||Image$$RW_RAM1$$ZI$$Length||
	
Reset_Go
;/* Save boot params to 0x00000040 */
	ldr r0, __CodeAddr__
	ldr r1,__CodeSize__
	ldr r2,__RamSize__
	ldr r3,__RamSize__
	
	ldr r0, =0x01C20C04 ;清除定时器中断
	ldr r1, = 0x01
	str r1,[r0]
	
	ldr r0, =0x01c20410 ;屏蔽所有中断
	ldr r1, = 0xffffffff
	str r1,[r0]
	
	ldr r0, =0x00000040
	str sp, [r0, #0]
	str lr, [r0, #4]
	mrs lr, cpsr
	str lr, [r0, #8]
	mrc p15, 0, lr, c1, c0, 0
	str lr, [r0, #12]
	mrc p15, 0, lr, c1, c0, 0
	str lr, [r0, #16]

;	/* Check boot type just for fel */
	mov r0, #0x0
	ldr r1, [r0, #8]
	ldr r2, =0x4c45462e
	cmp r1, r2
	bne lab1
;	ldr r1, =0x1
;	str r1, [r0, #0x58]
lab1	nop
;	/* Enter svc mode and mask interrupts */
	mrs r0, cpsr
	bic r0, r0, #0x1f
	orr r0, r0, #0xd3
	msr CPSR_cxsf, r0
	
;	/* Set vector to the low address */
	mrc p15, 0, r0, c1, c0, 0
	bic r0, #(1<<13)
	mcr p15, 0, r0, c1, c0, 0
	
;	/* Copy vector to the correct address */
	adr r0, Vector_Table
	mrc p15, 0, r2, c1, c0, 0
	ands r2, r2, #(1 << 13)
	ldreq r1, =0x00000000
	ldrne r1, =0xffff0000
;	mcr p15, 0, r2, c1, c0, 0
	ldmia r0!, {r2-r8, r10}
	stmia r1!, {r2-r8, r10}
	ldmia r0!, {r2-r8, r10}
	stmia r1!, {r2-r8, r10}
	
	IMPORT	sys_clock_init
	IMPORT	sys_dram_init
	IMPORT	sys_spi_flash_init
	IMPORT	sys_spi_flash_read
	IMPORT	sys_spi_flash_exit
	IMPORT	system_register_time_int
	IMPORT	memcpy
	IMPORT	memset
	IMPORT	MMU_Init
		
	PRESERVE8
;	/* Boot speed up, leave slower sram */
	adr r0, _start
	ldr r1, =_start
	cmp r0, r1
	
	beq _speedup
	bl sys_clock_init
	bl sys_dram_init
	bl sys_spi_flash_init
;	bl MMU_Init	
	
	ldr r0,=0x00
	ldr r1,__CodeAddr__
	ldr r2,__RamSize__
	bl sys_spi_flash_read
	ldr r0, =_speedup
	ldr r1, =_start
	sub r0, r0, r1
	ldr r1, __CodeAddr__
	add r0, r0, r1
	ldr r0, =0x01c20810
	ldr r1, = 0x0f
	str r1,[r0]

_speedup    	
	nop
	
	MSR	CPSR_c, #UDF_MODE :OR: I_BIT :OR: F_BIT
	LDR	SP, =UND_Stack + DRAM_Limit
	
	MSR	CPSR_c, #ABT_MODE :OR:	I_BIT :OR: F_BIT
	LDR	SP, =Abort_Stack + DRAM_Limit

	MSR	CPSR_c, #IRQ_MODE :OR: I_BIT :OR: F_BIT
	LDR     SP, =IRQ_Stack + DRAM_Limit

	MSR	CPSR_c, #FIQ_MODE :OR: I_BIT :OR: F_BIT
	LDR     SP, =FIQ_Stack + DRAM_Limit

	MSR	CPSR_c, #SYS_MODE :OR: I_BIT :OR: F_BIT
	LDR     SP, =USR_Stack + DRAM_Limit

	MSR	CPSR_c, #SVC_MODE :OR: I_BIT :OR: F_BIT
	
	LDR     SP, =SVC_Stack + DRAM_Limit

	MRS r1, CPSR
;		BIC r1, #0x1f
;		ORR r1, #0x7f;进入IRQ模式
	AND r1, #0x7f ;允许IRQ中断
	MSR CPSR_c,r1
	                                      
	IMPORT	__main
		
	adr r0, _start
	ldr r1, =_start
	cmp r0, r1
	bne _NoDdr	
_NoDdr	
	 LDR     R0, =__main
     BX      R0
	end

Vector_Table
	B		Reset_Go
	LDR     PC, Undefined_Addr
	LDR     PC, SWI_Addr
	LDR     PC, Prefetch_Addr
	LDR     PC, Abort_Addr
	DCD		0x0
	LDR     PC, IRQ_Addr  //这个偏移是 IRQ的
	LDR     PC, FIQ_Addr   //这个偏移是FIRQ的

 gst-launch-1.0 filesrc location=bad_apple.mp4 ! qtdemux ! h264parse ! omxh264d
ec ! autovideoconvert ! fbdevsink
[   31.842570] vcc3v0: disabling
[   31.845580] vcc5v0: disabling
Setting pipeline to PAUSED ...
debug  : cedarc <AwOmxComponentInit:26>:OMXCORE: aw_omx_component_init 126000

debug  : omx_vdec <__AwOmxVdecInit:1059>:++++++++++++++++++++++omx begin++++++++++++++++++
debug  : omx_vdec <__AwOmxVdecInit:1060>:name = OMX.allwinner.video.decoder.avc
debug  : omx_vdec_aw <OmxDecoderCreate:962>:kay: ** 0.
debug  : cedarc <CdcMessageQueueCreate:47>:nMessageSize = 20
debug  : cedarc <AwOmxComponentSetCallbacks:310>:OMXCORE: aw_omx_component_set_callbacks 126000, b6695508 , 9a8b0

debug  : omx_vdec <__AwOmxVdecSetCallbacks:1812>:===== vdec set callbacks
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
Pipeline is PREROLLING ...
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec <AwOmxVdecPortSetDefinitioin:192>:port:<<<<<<<<in,nBufferCountActual = 2, mBufferCntActual = 2
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec <AwOmxVdecPortSetDefinitioin:192>:port:<<<<<<<<in,nBufferCountActual = 2, mBufferCntActual = 2
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf-------format=7f000002
hxf2-------format=3
error  : omx_vdec <AwOmxVdecPortGetFormat:289>:erro: pParamData->nIndex > m_sPortFormatType.nIndex
hxf__src/omx_vdec_port.c AwOmxVdecPortGetFormat 290---------------
hxf default format=7f000002__src/omx_vdec_port.c AwOmxVdecPortGetFormat 294---------------
debug  : omx_vdec <controlSetState:359>:current state:OMX_StateLoaded, target state:OMX_StateIdle
debug  : omx_vdec <doStateWaitforResources2Idle:563>:bEnabled[1],[1],bPopulated[0],[0]
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:<<<<<<<<in
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:<<<<<<<<in
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:>>>>>>>out
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:>>>>>>>out
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:>>>>>>>out
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1693>:kay: __AwOmxVdecAllocateBuffer
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1713>:kay: __AwOmxVdecAllocateBuffer 2
debug  : omx_vdec_aw <__liAllocatePortBuffer:889>:kay: *** 0.
debug  : omx_vdec_aw <__liAllocatePortBuffer:901>:kay: malloc
debug  : omx_vdec_aw <__liAllocatePortBuffer:903>:kay: malloc2
debug  : omx_vdec <__AwOmxVdecAllocateBuffer:1715>:kay: __AwOmxVdecAllocateBuffer 3
debug  : omx_vdec <AwOmxVdecPortPopBuffer:396>:*******port pop buffer:>>>>>>>out
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec <doStateWaitforResources2Idle:563>:bEnabled[1],[1],bPopulated[1],[1]
debug  : omx_vdec <controlSetState:380>:Transit current state:OMX_StateLoaded --> target state:OMX_StateIdle --OK!
debug  : omx_vdec <controlSetState:359>:current state:OMX_StateIdle, target state:OMX_StateExecuting
debug  : omx_vdec <controlSetState:380>:Transit current state:OMX_StateIdle --> target state:OMX_StateExecuting --OK!
debug  : omx_vdec_aw <liDealWithInitData:156>:fatal error! pInBufHdr is NULL, check code!
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
debug  : omx_vdec_aw <liDealWithInitData:175>:++++++++++++++++pCtx->mCodecSpecificDataLen[0]
debug  : omx_vdec_aw <__liPrepare:464>:decoder prepare
warning: cedarc <AddVDPlugin:1538>: 1117 get local path: /usr/lib/
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawavs.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawavs.so
warning: cedarc <VDecoderRegister:127>: register codec: '117:avs' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawh264.so
hxf__src/omx_vdec_aw_decoder_linux.c __liGetFormat 875---------------
hxf-------format=7f000002
hxf2-------format=3
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawh264.so
warning: cedarc <VDecoderRegister:127>: register codec: '115:h264' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawh265.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawh265.so
warning: cedarc <VDecoderRegister:127>: register codec: '116:h265' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmjpeg.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmjpeg.so
warning: cedarc <VDecoderRegister:127>: register codec: '101:mjpeg' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmjpegplus.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmjpegplus.so
warning: cedarc <VDecoderRegister:127>: register codec: '101:mjpegplus' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg2.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmpeg2.so
warning: cedarc <VDecoderRegister:127>: register codec: '102:mpeg2' success.
warning: cedarc <VDecoderRegister:127>: register codec: '103:mpeg2' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg4base.so
warning: cedarc <AddVDPluginSingle:1498>: Invalid plugin, CedarPluginVDInit not found.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg4dx.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmpeg4dx.so
warning: cedarc <VDecoderRegister:127>: register codec: '105:mpeg4dx' success.
warning: cedarc <VDecoderRegister:127>: register codec: '106:mpeg4dx' success.
warning: cedarc <VDecoderRegister:127>: register codec: '107:mpeg4dx' success.
warning: cedarc <VDecoderRegister:127>: register codec: '10e:mpeg4dx' success.
warning: cedarc <VDecoderRegister:127>: register codec: '10f:mpeg4dx' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg4h263.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmpeg4h263.so
warning: cedarc <VDecoderRegister:127>: register codec: '104:mpeg4H263' success.
warning: cedarc <VDecoderRegister:127>: register codec: '10b:mpeg4H263' success.
warning: cedarc <VDecoderRegister:127>: register codec: '10d:mpeg4H263' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg4normal.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmpeg4normal.so
warning: cedarc <VDecoderRegister:127>: register codec: '10a:mpeg4Normal' success.
warning: cedarc <VDecoderRegister:127>: register codec: '10c:mpeg4Normal' success.
warning: cedarc <VDecoderRegister:127>: register codec: '108:mpeg4Normal' success.
warning: cedarc <VDecoderRegister:127>: register codec: '109:mpeg4Normal' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawmpeg4vp6.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawmpeg4vp6.so
warning: cedarc <VDecoderRegister:127>: register codec: '111:Mpeg4Vp6' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawvp8.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawvp8.so
warning: cedarc <VDecoderRegister:127>: register codec: '112:vp8' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawvp9Hw.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawvp9Hw.so
warning: cedarc <VDecoderRegister:127>: register codec: '113:Vp9Hw' success.
warning: cedarc <AddVDPlugin:1548>:  1117 load so: /usr/lib/libawwmv3.so
debug  : cedarc <AddVDPluginSingle:1501>: vdecoder open lib: /usr/lib/libawwmv3.so
warning: cedarc <VDecoderRegister:127>: register codec: '110:vc1' success.
debug  : cedarc <LogVersionInfo:40>:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Cedar Codec <<<<<<<<<<<<<<<<<<<<<<<<<<<<
tag   : CedarC-v1.1.9
branch: master
commit: 1951abe1456450ea48bfd446e801861a1354e93c
date  : Wed May 30 18:59:36 2018 +0800
author: jenkins8080
patch :
----------------------------------------------------------------------

debug  : cedarc <CreateVideoDecoder:215>:CreateVideoDecoder ****
debug  : ionAlloc <__GetIonMemOpsS:985>:*** get __GetIonMemOpsS ***
debug  : ionAlloc <ion_alloc_open:134>:begin ion_alloc_open

debug  : cedarc <VeSetSpeed:1559>: *** set ve freq to 300 Mhz ***
debug  : cedarc <VeInitialize:1198>: ve init ok

debug  : ionAlloc <ion_alloc_open:175>:** phy offset = 40000000
debug  : cedarc <VeRelease:1253>: ve release ok

WARNING: from element /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0: A lot of buffers are being dropped.
Additional debug info:
../libs/gst/base/gstbasesink.c(3005): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstFBDEVSink:fbdevsink0:
There may be a timestamping problem, or this computer is too slow.
hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 724---------------
*** picture info: w(512),h(384),offset,t(0),b(384),l(0),r(512)hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 740---------------
hxf__pixel_format.c ConvertPixelFormat 766---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 724---------------
*** picture info: w(512),h(384),offset,t(0),b(384),l(0),r(512)hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 740---------------
hxf__pixel_format.c ConvertPixelFormat 766---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 724---------------
*** picture info: w(512),h(384),offset,t(0),b(384),l(0),r(512)hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 740---------------
hxf__pixel_format.c ConvertPixelFormat 766---------------
hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 724---------------
*** picture info: w(512),h(384),offset,t(0),b(384),l(0),r(512)hxf__src/omx_vdec_aw_decoder_linux.c __liDrain 740---------------

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/fb.h>

int main(int argc, char **argv)
{
	int fd;
	
	/* 打开fb设备文件 */
	fd = open("/dev/fb0", O_RDWR);
	if (-1 == fd)
	{
		perror("open fb");
		return -1;
	}

	/* 获取fix屏幕信息:获取命令为FBIOGET_FSCREENINFO */
	struct fb_fix_screeninfo fixInfo;

	if (ioctl(fd, FBIOGET_FSCREENINFO, &fixInfo) == -1)
	{
		perror("get fscreeninfo");
		close(fd);
		return -2;
	}
	/* 打印fix信息 */
	printf("id = %s\n", fixInfo.id); /* 厂商id信息 */
	printf("line length = %d\n", fixInfo.line_length); 
									/* 这里获取的是一行像素所需空间
									 * 该空间大小是出厂时就固定的了
									 * 厂商会对一行像素字节进行对齐*/

	/* 获取var屏幕的信息:获取命令为FBIOGET_VSCREENINFO */
	struct fb_var_screeninfo varInfo;

	if (ioctl(fd, FBIOGET_VSCREENINFO, &varInfo) == -1)
	{
		perror("get var screen failed\n");
		close(fd);
		return -3;
	}
	/* 打印var信息 */
	printf("xres = %d, yres = %d\n", varInfo.xres, varInfo.yres);
	printf("bits_per_pixel = %d\n", varInfo.bits_per_pixel);
	printf("red: offset = %d, length = %d\n", \
					varInfo.red.offset, varInfo.red.length);
	printf("green: offset = %d, length = %d\n", \
					varInfo.green.offset, varInfo.green.length);
	printf("blue: offset = %d, length = %d\n", \
					varInfo.blue.offset, varInfo.blue.length);
	printf("transp: offset = %d, length = %d\n", \
					varInfo.transp.offset, varInfo.transp.length);

	close(fd);
	return 0;
}