关于ss928v100的cvbs接口，有大佬调过吗

海思
SD3403
SS928
最近在调一块海思的928板子，我看有一个cvbs的接口，但是去看海思的芯片手册和开发参考文档，发现他对这个接口的应用介绍几乎没有，请问有没有大佬调过类似的
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UncleRoderick
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UncleRoderick 2024-07-13 14:01:41
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看VO相关文档，CVBS输出属于VO的，配置VO输出即可
opkl 回复 UncleRoderick 2024-07-15 18:06:56
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我使用海思的一个sample_vdec，在里面修改了一些配置：

之后运行是:
[图片
而且我发现在sample_common_start_vo中没有cvbs那种情况：
[图片
cat出来：
~/mnt/cvbs/vdec # cat /dev/logmpp
undefined
opkl
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opkl 2024-07-15 18:08:54
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~/mnt/cvbs/vdec # cat /dev/logmpp
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[    vb] [Func]:vb_search_comm_pool_by_size [Line]:1066 [Info]:all of vb pool(owner -3) is smaller than the actual size 12441600 !
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1115 [Info]:chn 0  module vb size is not enough for pic buffer size 12441600!
<3>[  vdec] [Func]:vdec_get_handle_err_process [Line]:1127 [Info]:chn 0 get vb(size=12441600) for pic 3840x2160 bit_width(0) fail!