Altera Video and Image Processing Suite Instrukcja Użytkownika Strona 205
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Parameter Value Description
Write FIFO burst target 2–256,
Default = 32
Select the burst target for the write-only Avalon-MM interface.
Read FIFO depth 16–1024,
Default = 64
Select the FIFO depth of the read-only Avalon-MM interface.
Read FIFO burst target 2–256,
Default = 32
Select the burst target for the read-only Avalon-MM interface.
Align read/write bursts
on read boundaries
On or Off Turn on to avoid initiating read and write bursts at a position
that would cause the crossing of a memory row boundary.
Frame buffer memory
base address
Any 32-bit
value, Default
=
0x00000000
Select a hexadecimal address of the frame buffers in external
memory when buffering is used. The information message
displays the number of frame buffers and the total memory
required at the specified base address.
Maximum ancillary
packets per frame
Any 32-bit
value, Default
= 0
Specify the number of non-image, non-control, Avalon-ST Video
packets that can be buffered with each frame. Older packets are
discarded first in case of an overflow.
Note: The Maximum length ancillary packets in symbols
parameter is disabled or unused when you specify the
number of packets buffered per frame to 0.
User packets are no longer delayed through the DDR memory (as
with the Frame Buffer I IP core). The packets are instead grouped
at the output immediately following the next control packet.
Then the video packets swap places with the user packets which
arrive before the next control packet.
Maximum length
ancillary packets in
symbols
10–
1024,Default
= 10
Select the maximum packet length as a number of symbols. The
minimum value is 10 because this is the size of an Avalon-ST
control packet (header included). Extra samples are discarded if
the packets are larger than allowed.
Frame dropping On or Off Turn on to allow frame dropping.
Frame repeating On or Off Turn on to allow frame repetition.
Locked rate support On or Off Turn on to add an Avalon-MM slave interface that synchronizes
the input and output frame rates.
Note: You can only turn on this parameter if you also turn
on Frame dropping, Frame repeating, and Run-time
writer control parameters.
Drop invalid frames On or Off Turn on to drop image data packets that have lengths that are not
compatible with the dimensions declared in the last control
packet.
Run-time writer
control
On or Off Run-time control for the write interface.
14-8
Frame Buffer Parameter Settings
UG-VIPSUITE
2015.05.04
Altera Corporation
Frame Buffer IP Cores
Send Feedback
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- Feature Support 7
- Release Information 9
- Device Family Support 10
- IP Core Mode Latency 11
- Interfaces 28
- Video Formats 29
- D0 D1vid_data 32
- Signal Name Description 33
- Avalon-ST Video Protocol 34
- Video Data Packets 38
- Symbol transmitted first 39
- Symbol transmitted last 39
- Plane for even rows 40
- Plane for odd rows 40
- Control Data Packets 42
- Parameters 43
- Description 43
- Type Width Height Interlacin 43
- Order Symbol Order Symbol 45
- Ancillary Data Packets 46
- Packet Propagation 46
- Parameter Name Value 47
- Signal Width Direction 47
- Packet Transfer Examples 48
- Parameter Value 50
- Avalon-MM Slave Interfaces 52
- Avalon-MM Master Interfaces 55
- Related Information 56
- Getting Started 57
- OpenCore Plus IP Evaluation 59
- Control Port 60
- Format Description 61
- Interrupts 64
- Generator Lock 68
- Underflow and Overflow 70
- Timing Constraints 71
- Handling Ancillary Packets 71
- Modules Description 75
- Address Register Description 100
- UG-VIPSUITE 105
- 2015.05.04 105
- 2D FIR Filter IP Core 106
- Coefficient Precision 107
- Parameter Value Description 108
- 2D FIR Filter Signals 109
- Signal Direction Description 110
- Video Mixing IP Cores 112
- Alpha Blending 113
- Video Mixing Signals 116
- 20 Input 3 enable 121
- Chroma Resampler IP Core 122
- 4:4:4 to 4:2:2 123
- 4:2:2 to 4:4:4 123
- Vertical Resampling (4:2:0) 124
- Chroma Resampler Signals 126
- Video Clipping IP Cores 127
- Video Clipping Signals 130
- Color Plane Sequencer IP Core 135
- Rearranging Color Patterns 136
- Splitting and Duplicating 137
- Subsampled Data 138
- Color Plane Sequencer Signals 139
- IP Cores Feature 141
- Input and Output Data Types 142
- Color Space Conversion 142
- Operands 145
- Control Synchronizer IP Core 153
- Control Synchronizer Signals 157
- Deinterlacing IP Cores 160
- Deinterlacing Methods 161
- Bob with Scanline Duplication 162
- Motion-Adaptive 162
- Sobel-Based HQ Mode 164
- Frame Buffering 165
- Types Description 166
- Frame Rate Conversion 167
- Altera Corporation 168
- Send Feedback 168
- Deinterlacing Signals 176
- Register Address 190
- (Decimal) 190
- Register Suggested 190
- Settings 190
- Comments 190
- Tuning Motion Shift 191
- Frame Reader IP Core 192
- Frame Reader Signals 194
- Frame Buffer IP Cores 198
- Double Buffering 199
- Triple Buffering 199
- Locked Frame Rate Conversion 200
- Color Format 201
- Frame Buffer Signals 206
- Gamma Corrector IP Core 214
- Gamma Corrector Signals 215
- Interlacer IP Core 218
- Interlacer Parameter Settings 219
- Interlacer Signals 219
- Interlacer Control Registers 221
- Scaler II IP Core 222
- Bilinear Algorithm 223
- Double-Buffering 226
- Scaler II Parameter Settings 230
- Scaler II Signals 233
- Scaler II Control Registers 235
- Video Switching IP Cores 237
- Mixer Layer Switching 238
- Video Switching Signals 239
- Test Pattern 243
- Trace System IP Core 253
- Trace System Signals 255
- Trace Within System Console 258
- TCL Shell Commands 259
- Command Arguments Function 260
- Packet Visualization 263
- Monitor Settings 264
- Subscribe 269
- Avalon-ST Video Class Library 270
- Class Description 272
- Running the Tests 275
- Video File Reader Test 278
- Example Test Environment 281
- Video Field Life Cycle 282
- Constrained Random Test 283
- Code for Scoreboards 285
- Code for to_grey Function 286
- Complete Class Reference 287
- Method Call Description 288
- Member Description 288
- Raw Video Data Format 299
- Y 410 / A 2R 10 G 10 B 10 301
- Additional Information 306
- Date Version Changes 307
- How to Contact Altera 310
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