mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-24 16:22:37 +00:00
spelling/wording/grammar cosmetics
Originally committed as revision 17588 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
ac00575d92
commit
e0cffbe7ea
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Pixel Format descriptor
|
||||
* pixel format descriptor
|
||||
* Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
@ -142,7 +142,7 @@ static const AVPixFmtDescriptor pix_fmt_desc[PIX_FMT_NB] = {
|
||||
},
|
||||
.flags = PIX_FMT_BE,
|
||||
},
|
||||
//FIXME chaneg pix fmt defines so that we have a LE & BE instead of a Native endian
|
||||
//FIXME change pix fmt defines so that we have a LE & BE instead of a native-endian
|
||||
#if 0
|
||||
[PIX_FMT_RGB565_LE] = {
|
||||
.nb_channels = 3,
|
||||
|
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Pixel Format descriptor
|
||||
* pixel format descriptor
|
||||
* Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
@ -32,38 +32,39 @@ typedef struct AVComponentDescriptor{
|
||||
}AVComponentDescriptor;
|
||||
|
||||
/**
|
||||
* Descriptor that unambigously describes how the bits of a pixel are
|
||||
* Descriptor that unambiguously describes how the bits of a pixel are
|
||||
* stored in the up to 4 data planes of an image. It also stores the
|
||||
* subsampling factors and number of components.
|
||||
*
|
||||
* @note This is seperate of the colorspace (RGB, YCbCr, YPbPr, jpeg style YUV and all the YUV variants)
|
||||
* AVPixFmtDescripto just stores how values are stored not what these values represent.
|
||||
* @note This is separate of the colorspace (RGB, YCbCr, YPbPr, JPEG-style YUV
|
||||
* and all the YUV variants) AVPixFmtDescriptor just stores how values
|
||||
* are stored not what these values represent.
|
||||
*/
|
||||
typedef struct AVPixFmtDescriptor{
|
||||
uint8_t nb_channels; ///< The number of components each pixel has, (1-4)
|
||||
|
||||
/**
|
||||
* Amount to shift the luma width right to find the chroma width, this is for
|
||||
* example 1 for YV12
|
||||
* chroma_width = -((-luma_width )>>log2_chroma_w)
|
||||
* note above is needed to ensure rounding up
|
||||
* Amount to shift the luma width right to find the chroma width.
|
||||
* For YV12 this is 1 for example.
|
||||
* chroma_width = -((-luma_width) >> log2_chroma_w)
|
||||
* The note above is needed to ensure rounding up.
|
||||
*/
|
||||
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
|
||||
|
||||
/**
|
||||
* Amount to shift the luma height right to find the chroma height, this is for
|
||||
* example 1 for YV12
|
||||
* chroma_height= -((-luma_height)>>log2_chroma_h)
|
||||
* note above is needed to ensure rounding up
|
||||
* Amount to shift the luma height right to find the chroma height.
|
||||
* For YV12 this is 1 for example.
|
||||
* chroma_height= -((-luma_height) >> log2_chroma_h)
|
||||
* The note above is needed to ensure rounding up.
|
||||
*/
|
||||
uint8_t log2_chroma_h;
|
||||
uint8_t flags;
|
||||
AVComponentDescriptor comp[4]; ///< parameters that describes how pixels are packed
|
||||
AVComponentDescriptor comp[4]; ///< parameters that describe how pixels are packed
|
||||
}AVPixFmtDescriptor;
|
||||
|
||||
#define PIX_FMT_BE 1 ///< Big endian
|
||||
#define PIX_FMT_PAL 2 ///< Pixel format has a palette i data[1], values are indexes in this palette
|
||||
#define PIX_FMT_BITSTREAM 4 ///< All values of a component are bitwise packed end to end
|
||||
#define PIX_FMT_BE 1 ///< big-endian
|
||||
#define PIX_FMT_PAL 2 ///< Pixel format has a palette i data[1], values are indexes in this palette.
|
||||
#define PIX_FMT_BITSTREAM 4 ///< All values of a component are bit-wise packed end to end.
|
||||
|
||||
|
||||
static inline void read_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4], AVPixFmtDescriptor *desc, int x, int y, int c, int w)
|
||||
|
Loading…
Reference in New Issue
Block a user