Pipewire: delete blocks parameter

When this parameter is enabled than pipewire reports the following error:

**HyperHDR:**
Pipewire: updated parameters 0
Pipewire: core error reported
Pipewire: stream reports error 'error alloc buffers: Invalid argument'
Pipewire: core reports error 'error alloc buffers: Invalid argument'

**Pipewire:**
pipewire[1850759]: pw.context: params Spa:Enum:ParamId:Buffers: 1:0 Invalid argument (input param)
pipewire[1850759]: pw.context: Object: size 168, type Spa:Pod:Object:Param:Buffers (262148), id Spa:Enum:ParamId:Buffers (5)
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:size (3), flags 00000000
pipewire[1850759]: pw.context:     Int 33177600
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:buffers (1), flags 00000000
pipewire[1850759]: pw.context:     Choice: type Spa:Enum:Choice:Range, flags 00000000 28 4
pipewire[1850759]: pw.context:       Int 16
pipewire[1850759]: pw.context:       Int 2
pipewire[1850759]: pw.context:       Int 16
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:stride (4), flags 00000000
pipewire[1850759]: pw.context:     Int 15360
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:dataType (6), flags 00000000
pipewire[1850759]: pw.context:     Choice: type Spa:Enum:Choice:Flags, flags 00000000 20 4
pipewire[1850759]: pw.context:       Int 12
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:blocks (2), flags 00000000
pipewire[1850759]: pw.context:     Int 3
pipewire[1850759]: pw.context: params Spa:Enum:ParamId:Buffers: 0:0 Invalid argument (output param)
pipewire[1850759]: pw.context: Object: size 216, type Spa:Pod:Object:Param:Buffers (262148), id Spa:Enum:ParamId:Buffers (5)
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:buffers (1), flags 00000000
pipewire[1850759]: pw.context:     Choice: type Spa:Enum:Choice:Range, flags 00000000 28 4
pipewire[1850759]: pw.context:       Int 2
pipewire[1850759]: pw.context:       Int 2
pipewire[1850759]: pw.context:       Int 16
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:blocks (2), flags 00000000
pipewire[1850759]: pw.context:     Int 1
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:size (3), flags 00000000
pipewire[1850759]: pw.context:     Int 33177600
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:stride (4), flags 00000000
pipewire[1850759]: pw.context:     Choice: type Spa:Enum:Choice:Range, flags 00000000 28 4
pipewire[1850759]: pw.context:       Int 15360
pipewire[1850759]: pw.context:       Int 15360
pipewire[1850759]: pw.context:       Int 2147483647
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:align (5), flags 00000000
pipewire[1850759]: pw.context:     Int 16
pipewire[1850759]: pw.context:   Prop: key Spa:Pod:Object:Param:Buffers:BlockInfo:dataType (6), flags 00000000
pipewire[1850759]: pw.context:     Choice: type Spa:Enum:Choice:Flags, flags 00000000 20 4
pipewire[1850759]: pw.context:       Int 14
pipewire[1850759]: pw.link: (103.0.0 -> 79.0.0) allocating -> error (error alloc buffers: Invalid argument) (ready-ready)

This happens with pipewire 1.0.0 and pipewire master.

sources/grabber/pipewire/PipewireHandler.cpp

@@ -644,7 +644,6 @@ void PipewireHandler::onParamsChanged(uint32_t id, const struct spa_pod* param)
 	updatedParams[0] = (spa_pod*)(spa_pod*)spa_pod_builder_add_object(&updateBufferBuilder,
 					SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
 					SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(2, 2, 16),
-					SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(1),
 					SPA_PARAM_BUFFERS_size, SPA_POD_Int(size),
 					SPA_PARAM_BUFFERS_stride, SPA_POD_CHOICE_RANGE_Int(stride, stride, INT32_MAX),
 					SPA_PARAM_BUFFERS_align, SPA_POD_Int(16),