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LZMA encode fix

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This commit is contained in:
Joshua Granick
2015-06-27 12:37:18 -07:00
parent 362de4fd6a
commit b31b27e323
2 changed files with 10 additions and 8 deletions
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2
legacy/project/src/common/Lzma.cpp
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@@ -32,7 +32,7 @@ namespace nme
{
SizeT input_buffer_size = buffer_size(input_buffer);
Byte* input_buffer_data = (Byte *)buffer_data(input_buffer);
SizeT output_buffer_size = input_buffer_size + 1024;
SizeT output_buffer_size = input_buffer_size + input_buffer_size / 5 + (1 << 16);
Byte* output_buffer_data = (Byte *)malloc(output_buffer_size);
SizeT props_size = 100;
Byte* props_data = (Byte *)malloc(props_size);

16
project/src/utils/LZMA.cpp
View File

@@ -63,10 +63,10 @@ namespace lime {
SizeT inputBufferSize = data->Length ();
Byte* inputBufferData = data->Data ();
result->Resize (inputBufferSize + inputBufferSize / 5 + (1 << 16));
Bytes tempBuffer = Bytes (inputBufferSize + inputBufferSize / 5 + (1 << 16));
SizeT outputBufferSize = result->Length ();
Byte* outputBufferData = result->Data ();
SizeT outputBufferSize = tempBuffer.Length ();
Byte* outputBufferData = tempBuffer.Data ();
SizeT propsSize = 100;
Byte* propsData = (Byte *)malloc (propsSize);
Int64 uncompressedLength = inputBufferSize;
@@ -81,12 +81,14 @@ namespace lime {
ISzAlloc allocSmall = { LZMA_alloc, LZMA_free };
ISzAlloc allocBig = { LZMA_alloc, LZMA_free };
LzmaEncode (outputBufferData + propsSize + 8, &outputBufferSize, inputBufferData, inputBufferSize, &props, propsData, &propsSize, props.writeEndMark, &progress, &allocSmall, &allocBig);
memcpy (outputBufferData, propsData, propsSize);
WRITE_LE64 (outputBufferData + propsSize, uncompressedLength);
LzmaEncode (outputBufferData, &outputBufferSize, inputBufferData, inputBufferSize, &props, propsData, &propsSize, props.writeEndMark, &progress, &allocSmall, &allocBig);
result->Resize (outputBufferSize + propsSize + 8);
Byte* resultData = result->Data ();
memcpy (resultData, propsData, propsSize);
WRITE_LE64 (resultData + propsSize, uncompressedLength);
memcpy (resultData + propsSize + 8, outputBufferData, outputBufferSize);
free (propsData);