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video: add flags for the pack/unpack functions

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Add a flag argument to the pack and unpack function so that we can expand it
later when needed. We could for example prefer a High Quality pack/unpack
operation later.
This commit is contained in:
Wim Taymans 2012-05-29 09:53:15 +02:00
parent 3925b20e25
commit 2ba36a69bf
1 changed files with 17 additions and 2 deletions
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19
gst-libs/gst/video/video.h
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@ -170,9 +170,21 @@ typedef enum
#define GST_VIDEO_COMP_A 3
/**
* GstVideoPackFlags:
* @GST_VIDEO_PACK_FLAG_NONE: No flag
*
* The different flags that can be used when packing and unpacking.
*/
typedef enum
{
GST_VIDEO_PACK_FLAG_NONE = 0
} GstVideoPackFlags;
/**
* GstVideoFormatUnpack:
* @info: a #GstVideoFormatInfo
* @flags: flags to control the unpacking
* @dest: a destination array
* @data: pointers to the data planes
* @stride: strides of the planes
@ -185,13 +197,15 @@ typedef enum
* interleaved. @dest should at least be big enough to hold @width *
* n_components * size(unpack_format) bytes.
*/
typedef void (*GstVideoFormatUnpack) (GstVideoFormatInfo *info, gpointer dest,
typedef void (*GstVideoFormatUnpack) (GstVideoFormatInfo *info,
GstVideoPackFlags flags, gpointer dest,
const gpointer data[GST_VIDEO_MAX_PLANES],
const gint stride[GST_VIDEO_MAX_PLANES],
gint x, gint y, gint width);
/**
* GstVideoFormatPack:
* @info: a #GstVideoFormatInfo
* @flags: flags to control the packing
* @src: a source array
* @data: pointers to the destination data planes
* @stride: strides of the destination planes
@ -203,7 +217,8 @@ typedef void (*GstVideoFormatUnpack) (GstVideoFormatInfo *info, gpointer
* format @info. The pixels from source have each component interleaved
* and will be packed into the planes in @data.
*/
typedef void (*GstVideoFormatPack) (GstVideoFormatInfo *info, const gpointer src,
typedef void (*GstVideoFormatPack) (GstVideoFormatInfo *info,
GstVideoPackFlags flags, const gpointer src,
gpointer data[GST_VIDEO_MAX_PLANES],
const gint stride[GST_VIDEO_MAX_PLANES],
gint x, gint y, gint width);