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Merge pull request #1413 from nfedera/fix-2013-08-10-01

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codec/rfx: fix multithreaded encoder
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Marc-André Moreau 2013-08-09 15:53:08 -07:00
commit c998f0b173
1 changed files with 8 additions and 0 deletions
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8
libfreerdp/codec/rfx.c
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@ -1068,6 +1068,14 @@ void CALLBACK rfx_compose_message_tile_work_callback(PTP_CALLBACK_INSTANCE insta
{
RFX_TILE_COMPOSE_WORK_PARAM* param = (RFX_TILE_COMPOSE_WORK_PARAM*) context;
/**
* Some component of the encoder chain (I suspect the rlgr encoder) expects
* the output buffer to be zeroed. The multithreaded RemoteFX encoder uses
* wStreams from the StreamPool which are reused and not zeroed out of
* course. For now, in order to prevent data corruption we clear the stream.
*/
Stream_Clear(param->s);
rfx_compose_message_tile(param->context, param->s,
param->tile_data, param->tile_width, param->tile_height, param->rowstride,
param->quantVals, param->quantIdxY, param->quantIdxCb, param->quantIdxCr, param->xIdx, param->yIdx);