[FFmpeg-devel] GSoc Qualification Task - Implementing Compression technique B44 as a part of exr format (libavcodec/exr.c)

[Paul B Mahol]

On 3/16/15, greeshma <greeshmabalabadra at gmail.com> wrote:
> Hello ,
>
> I have implemented B44 lossy compression technique.The first patch is
> hereby attached.Please have a look.
> The diff file is also attached.
>
> diff --git a/libavcodec/exr.c b/libavcodec/exr.c
> index 6251fb7..e540d4c 100644
> --- a/libavcodec/exr.c
> +++ b/libavcodec/exr.c
> @@ -45,6 +45,10 @@
>  #include "mathops.h"
>  #include "thread.h"
>
> +typedef int bool;
> +#define true 1
> +#define false 0

This appear to be unused.

> +
>  enum ExrCompr {
>      EXR_RAW,
>      EXR_RLE,
> @@ -69,6 +73,19 @@ typedef struct EXRChannel {
>      enum ExrPixelType pixel_type;
>  } EXRChannel;
>
> +
> +typedef struct EXRChannelData
> +{
> +    unsigned short *    start;
> +    unsigned short *    end;
> +    int         nx;
> +    int         ny;
> +    int         ys;
> +    enum ExrPixelType     type;
> +    bool pLinear;

This seems to be unused.

> +    int         size;
> +}EXRChannelData;
> +
>  typedef struct EXRThreadData {
>      uint8_t *uncompressed_data;

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