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@@ -322,9 +322,7 @@ Param[0]
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'01'=JointStereo
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'10'=Dual
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'11'=Mono
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- Note: testing seems to indicate that Mono and possibly
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- JointStereo are not working (default to stereo).
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- Dual does work, though.
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+ Note: the cx23415 cannot decode Joint Stereo properly.
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10:11 Mode Extension used in joint_stereo mode.
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In Layer I and II they indicate which subbands are in
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@@ -403,16 +401,34 @@ Name CX2341X_ENC_SET_PGM_INDEX_INFO
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Enum 199/0xC7
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Description
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Sets the Program Index Information.
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+ The information is stored as follows:
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+
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+ struct info {
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+ u32 length; // Length of this frame
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+ u32 offset_low; // Offset in the file of the
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+ u32 offset_high; // start of this frame
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+ u32 mask1; // Bits 0-1 are the type mask:
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+ // 1=I, 2=P, 4=B
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+ u32 pts; // The PTS of the frame
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+ u32 mask2; // Bit 0 is bit 32 of the pts.
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+ };
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+ u32 table_ptr;
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+ struct info index[400];
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+
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+ The table_ptr is the encoder memory address in the table were
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+ *new* entries will be written. Note that this is a ringbuffer,
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+ so the table_ptr will wraparound.
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Param[0]
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Picture Mask:
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0=No index capture
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1=I frames
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3=I,P frames
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7=I,P,B frames
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+ (Seems to be ignored, it always indexes I, P and B frames)
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Param[1]
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Elements requested (up to 400)
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Result[0]
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- Offset in SDF memory of the table.
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+ Offset in the encoder memory of the start of the table.
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Result[1]
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Number of allocated elements up to a maximum of Param[1]
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Hans Verkuil