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This patch allocated frame contexts outside VP9_COMMON. This allows
multiple threads to share the same copy of frame contexts, and
reduces the overhead. It also guarantees the correct update of
these contexts during bitstream packing. This patch doesn't change
encoding result.

Change-Id: Ic181a2460b891d1d587278a6d02d8057b9dbd353

This commit changes the tables to be read only, which fixes
issue #866

Change-Id: I85bbe03f9d344f50570f8c1c61699bdc5cee248f

Also includes yv12 config changes.

Change-Id: Iacf40d8bf486815b54c32a127ce3cd4516b7e44f

don't bother decoding any further after receiving an earlier decode
error until a key/intra-only frame is encountered.

Change-Id: I381917b70d7a9e6f8d6de42e3d181bb113a4cec4

Change-Id: I0a9d52432f2500f1bd8f43f229e70e38bb9a0343

Adds config parameter vp9_highbitdepth, to support highbitdepth profiles.
Also includes most vpx level high bit-depth functions. However
encode/decode in the highbitdepth profiles will not work until
the rest of the code is in place.

Change-Id: I34c53b253c38873611057a6cbc89a1361b8985a6

store the number of allocated rows in VP9LfSync, the calculated values
can not be relied on when dealing with corrupt material.

Change-Id: I13b8bcec9738c299a71df726772ab7ac05511e5b

1. Clean the code for encode frame tests
2. Add encode w/ and w/o alt reference frame test
3. Add encode SNR layers test
4. Add encode multiple layers but decode partial layers test

Change-Id: Ibd2c9bc02525db584a6f931a98405f2d851b3cd6

use get_ref_frame() to ensure a valid frame is retrieved if one exists

Change-Id: I4b116d928e643ee62a991babd4b974037b6b3830

Replaced encoder and decoder functions to get a pointer
to a reference frame with a common function, vp9_get_ref_frame,
and simplified it.

Change-Id: Icb206fcce8caace3bfd1db3dbfa318dde79043ee

The issue was introduced by commit g7c43fb67. If current frame
is repeated from existing-ref pool, frame buffer ref counter
is not decreased, so buffer isn't released. Decoder fails being
unable to allocate new frame buffer at some point.

Added a test vector to verify that the condition will not
recur later. Test vector was generated by the code in this patch:
https://gerrit.chromium.org/gerrit/#/c/70862/

Change-Id: I8af96eb5b9670176e01a281d2e18bd458712cf78

restore the environment post encode/decode failure

Change-Id: I3c72e2260a616432eaf1f9545d4fb4d8e45cc7b0

in a failure case the threads may still be running and share a reference
to VP9_COMMON

Change-Id: I867034b4b55f133663b8cbf6ca06e72acf952849

This patch fixes bug 633:
https://code.google.com/p/webm/issues/detail?id=633

The first decoded frame does not have to be a keyframe,
it could be an inter-frame that is coded intra-only.

This patch fixes the handling of intra-only frames.

A test vector has also been added that encodes 3
intra-only frames at the start of the clip. The
test vector was generated using the code in the
following patch:
https://gerrit.chromium.org/gerrit/#/c/70680/

Change-Id: Ib40b1dbf91aae2bc047e23c626eaef09d1860147

pull the latest from WebP, which adds a worker interface abstraction
allowing an application to override init/reset/sync/launch/execute/end

this has the side effect of removing a harmless, but annoying, TSan
warning.

Original source:
 http://git.chromium.org/webm/libwebp.git
  100644 blob 08ad4e1fecba302bf1247645e84a7d2779956bc3 src/utils/thread.c
  100644 blob 7bd451b124ae3b81596abfbcc823e3cb129d3a38 src/utils/thread.h

Local modifications:
 - s/WebP/VP9/g
 - camelcase functions -> lower with _'s
 - associate '*' with the variable, not the type

Change-Id: I875ac5a74ed873cbcb19a3a100b5e0ca6fcd9aed

This reverts commit b3363561.

This causes a hang in:
VP9/InvalidFileTest.ReturnCode/3

the change to test/user_priv_test.cc remains with a minor update

Change-Id: I4a8a272ca37ea329b0f413f0b1cd827a238bd9fd

This patch reverts the previous revert from Jim and also add a
variable user_priv in the FrameWorker to save the user_priv
passed from the application. In the decoder_get_frame function,
the user_priv will be binded with the img. This change is needed
or it will fail the unit test added here:
https://gerrit.chromium.org/gerrit/#/c/70610/

This reverts commit 9be46e45.

Change-Id: I376d9a12ee196faffdf3c792b59e6137c56132c1

Avoids failures:
MSE_ClearKey/EncryptedMediaTest.Playback_VP9Video_WebM/0
MSE_ClearKey_Prefixed/EncryptedMediaTest.Playback_VP9Video_WebM/0
MSE_ExternalClearKey_Prefixed/EncryptedMediaTest.Playback_VP9Video_WebM/0
MSE_ExternalClearKey/EncryptedMediaTest.Playback_VP9Video_WebM/0
MSE_ExternalClearKeyDecryptOnly/EncryptedMediaTest.Playback_VP9Video_WebM/0
MSE_ExternalClearKeyDecryptOnly_Prefixed/EncryptedMediaTest.Playback_VP9Video_WebM/0
SRC_ExternalClearKey/EncryptedMediaTest.Playback_VP9Video_WebM/0
SRC_ExternalClearKey_Prefixed/EncryptedMediaTest.Playback_VP9Video_WebM/0
SRC_ClearKey_Prefixed/EncryptedMediaTest.Playback_VP9Video_WebM/0

Patches are
This reverts commit 9bc04085
This reverts commit 6f5aba06
This reverts commit 9bc04085

I1f250441	Revert "Refactor the vp9_get_frame code for frame parallel."
Ibfdddce5	Revert "Delay decreasing reference count in frame-parallel decoding."
I00ce6771	Revert "Introduce FrameWorker for decoding."

Need better testing in libvpx for these commits

Change-Id: Ifa1f279b0cabf4b47c051ec26018f9301c1e130e

See: https://code.google.com/p/chromium/issues/detail?id=362697

The code properly catches an invalid stream but seg faults instead of
returning an error due to a buffer not having been initialized. This
code fixes that.

Change-Id: I695595e742cb08807e1dfb2f00bc097b3eae3a9b

This function is not effectively used, hence removed.

Change-Id: I2e8e48fa07c7518931690f3b04bae920cb360e49

The current decoding scheme will decrease the reference count
of the output frame when finish decoding. Then the application
could copy the frame from the decoder buffer to application buffer.
In frame-parallel decoding, a decoded frame will not be outputted
until several frames later which depends on thread numbers. So
the decoded frame's reference count should be decreased only
after application finish copying the frame out. But due to the
limitation of vpx_codec_get_frame, decoder could not know when
application finish decoding. So use a index last_show_frame to
release the last output frame's reference count.

Change-Id: I403ee0d01148ac1182e5a2d87cf7dcc302b51e63

Change-Id: I79576920efb7f3f6f197d386727409759d8bda8d

The current decode_tiles decodes the frame one tile by one tile
and then loopfilter the whole frame or use another worker thread to
do loopfiltering.

|------|------|------|------|
|Tile1-|Tile2-|Tile3-|Tile4-|
|------|------|------|------|

For example, if a tile video has one row and four cols, decode_tiles
will decode the Tile1, then Tile2, then Tile3, then Tile4.
And during decode each tile, decode_tile will decode row by row in
each tile.

For frame parallel decoding, decode_tiles will decode video in row order
across the tiles. So the order will be:
"Decode 1st row of Tile1" -> "Decode 1st row of Tile2"
-> "Decode 1st row of Tile3" -> "Decode 1st row of Tile4"
-> "Decode 2nd row of Tile1" -> "Decode 2nd row of Tile2"
-> "Decode 2nd row of Tile3" -> "Decode 2nd row of Tile4"-> "loopfilter 1st row"

Change-Id: I2211f9adc6d142fbf411d491031203cb8a6dbf6b

  vp9_decoder.c
  vp9_dthread.c

Change-Id: Iaafe941545db98e9e3559096a955894646084ac2

Change-Id: I831fe91dfadf4e89f5bbba6ab7a9917d8dd2ed55

Change-Id: I7675f23150404913f4b457add69fb846f6921997

Inline loopfilter has been already handled in vp9_decode_frame().
Collecting all similar code in one place now.

Change-Id: I358a0280fc7c2b27cca520bc1e8c16c4eb6491dd

We only used two members from that struct: max_threads and inv_tile_order.
Moving them directly to VP9Decoder struct.

Change-Id: If696a4e5b5b41868a55f3cc971e1d7c1dd9d5f69

Change-Id: I6dc9741cdcd700f5c4a387f58da7feb58dd4bbda

That code is not used, we could easily return it back using vpx_img_write()
function.

Change-Id: Id107875c6feab6ad245a518f6b437b6ed4b1246d

Change-Id: I9677aab1c7bb0ca9e989cb21348a3a2c926d8f5a

Change-Id: If33087462293605f79d9281af133091fff33a876

Change-Id: Ieb9b455b8aaef9884391021b7f640ef24c554687

Change-Id: Ib4e31ba74c4b882bd93942ef743f4a189892738d

No need to check pbi->common.frame_to_show again.

Change-Id: I572ea4afd0d8b6000c0bb7575b7023d75cad5a4e

Change-Id: Ie2ea9dd8bd338cc9fe12ca9033df64f7644c68b3

Change-Id: I3e20c0cdb9d2437bddf21afb255855f2dead8e02

above_seg_context is alreaded freed during vp9_remove_common() call.

Change-Id: I16b72c710e71d2f143df2d47e876d220c8d374e0

Change-Id: I713af99d1e17e05a20eab20df51d74ebfd1a68d2

Change-Id: I47a8b4bf9a6cc0063d1a6785eaaad641d0659e24