mirrors/FreeRDP
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

libfreerdp-codec: add support for passing pointer to beginning of buffer for RemoteFX encoding

Browse Source
This commit is contained in:
Marc-André Moreau 2013-08-14 20:35:00 -04:00
parent 2d3d5acf1e
commit 08dce6e090
1 changed files with 43 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
libfreerdp/codec/rfx.c
View File

@ -546,7 +546,7 @@ static BOOL rfx_process_message_region(RFX_CONTEXT* context, RFX_MESSAGE* messag
return FALSE;
}
if (message->rects != NULL)
if (message->rects)
message->rects = (RFX_RECT*) realloc(message->rects, message->numRects * sizeof(RFX_RECT));
else
message->rects = (RFX_RECT*) malloc(message->numRects * sizeof(RFX_RECT));
@ -1043,7 +1043,10 @@ RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects,
int yIdx;
int numTilesX;
int numTilesY;
UINT16 ax, ay;
RFX_TILE* tile;
RFX_RECT* rect;
int BytesPerPixel;
RFX_MESSAGE* message = NULL;
PTP_WORK* work_objects = NULL;
RFX_TILE_COMPOSE_WORK_PARAM* params = NULL;
@ -1068,6 +1071,9 @@ RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects,
context->quantIdxCr = 0;
}
rect = (RFX_RECT*) &rects[0];
BytesPerPixel = (context->bits_per_pixel / 8);
message->numQuant = context->numQuant;
message->quantVals = context->quants;
@ -1078,7 +1084,8 @@ RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects,
message->tiles = (RFX_TILE**) malloc(sizeof(RFX_TILE) * message->numTiles);
ZeroMemory(message->tiles, sizeof(RFX_TILE) * message->numTiles);
DEBUG_RFX("width: %d height: %d scanline: %d", width, height, scanline);
DEBUG_RFX("x: %d y: %d width: %d height: %d scanline: %d BytesPerPixel: %d",
rect->x, rect->y, width, height, scanline, BytesPerPixel);
if (context->priv->UseThreads)
{
@ -1094,16 +1101,22 @@ RFX_MESSAGE* rfx_encode_message(RFX_CONTEXT* context, const RFX_RECT* rects,
tile = message->tiles[i] = (RFX_TILE*) ObjectPool_Take(context->priv->TilePool);
tile->xIdx = xIdx;
tile->yIdx = yIdx;
tile->x = tile->xIdx * 64;
tile->y = tile->yIdx * 64;
tile->scanline = scanline;
tile->data = data + yIdx * 64 * scanline + xIdx * 8 * context->bits_per_pixel;
tile->width = (xIdx < numTilesX - 1) ? 64 : width - xIdx * 64;
tile->height = (yIdx < numTilesY - 1) ? 64 : height - yIdx * 64;
ax = rect->x + tile->x;
ay = rect->y + tile->y;
tile->data = &data[(ay * scanline) + (ax * BytesPerPixel)];
tile->quantIdxY = context->quantIdxY;
tile->quantIdxCb = context->quantIdxCb;
tile->quantIdxCr = context->quantIdxCr;
tile->xIdx = xIdx;
tile->yIdx = yIdx;
tile->YLen = 0;
tile->CbLen = 0;
tile->CrLen = 0;
@ -1182,6 +1195,7 @@ RFX_MESSAGE* rfx_split_message(RFX_CONTEXT* context, RFX_MESSAGE* message, int*
messages[j].numRects = message->numRects;
messages[j].rects = message->rects;
messages[j].tiles = (RFX_TILE**) malloc(sizeof(RFX_TILE*) * message->numTiles);
messages[j].freeRects = FALSE;
messages[j].freeArray = TRUE;
}
@ -1191,8 +1205,17 @@ RFX_MESSAGE* rfx_split_message(RFX_CONTEXT* context, RFX_MESSAGE* message, int*
}
*numMessages = j + 1;
context->frameIdx += j;
message->numTiles = 0;
for (i = 0; i < *numMessages; i++)
{
for (j = 0; j < messages[i].numTiles; j++)
{
}
}
return messages;
}
@ -1202,6 +1225,9 @@ RFX_MESSAGE* rfx_encode_messages(RFX_CONTEXT* context, const RFX_RECT* rects, in
RFX_MESSAGE* message;
RFX_MESSAGE* messages;
printf("rfx_encode_messages: numRects: %d maxDataSize: %d x: %d y: %d w: %d/%d h: %d/%d\n", numRects, maxDataSize,
rects[0].x, rects[0].y, rects[0].width, width, rects[0].height, height);
message = rfx_encode_message(context, rects, numRects, data, width, height, scanline);
messages = rfx_split_message(context, message, numMessages, maxDataSize);
rfx_message_free(context, message);
@ -1278,10 +1304,18 @@ void rfx_write_message_region(RFX_CONTEXT* context, wStream* s, RFX_MESSAGE* mes
for (i = 0; i < message->numRects; i++)
{
Stream_Write_UINT16(s, message->rects[i].x);
Stream_Write_UINT16(s, message->rects[i].y);
Stream_Write_UINT16(s, message->rects[i].width);
Stream_Write_UINT16(s, message->rects[i].height);
/* Clipping rectangles are relative to destLeft, destTop */
#if 1
Stream_Write_UINT16(s, 0); /* x (2 bytes) */
Stream_Write_UINT16(s, 0); /* y (2 bytes) */
#else
Stream_Write_UINT16(s, message->rects[i].x); /* x (2 bytes) */
Stream_Write_UINT16(s, message->rects[i].y); /* y (2 bytes) */
#endif
Stream_Write_UINT16(s, message->rects[i].width); /* width (2 bytes) */
Stream_Write_UINT16(s, message->rects[i].height); /* height (2 bytes) */
}
Stream_Write_UINT16(s, CBT_REGION); /* regionType (2 bytes) */