mirror of https://git.ffmpeg.org/ffmpeg.git
pixdesc: K&R formatting cosmetics
Also change some comments to multiline. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
parent
92a36a6b33
commit
b2e059a1ff
|
@ -1557,7 +1557,8 @@ int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
|
|||
return bits >> log2_pixels;
|
||||
}
|
||||
|
||||
char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt)
|
||||
char *av_get_pix_fmt_string(char *buf, int buf_size,
|
||||
enum AVPixelFormat pix_fmt)
|
||||
{
|
||||
/* print header */
|
||||
if (pix_fmt < 0) {
|
||||
|
|
|
@ -27,23 +27,35 @@
|
|||
#include "attributes.h"
|
||||
#include "pixfmt.h"
|
||||
|
||||
typedef struct AVComponentDescriptor{
|
||||
uint16_t plane :2; ///< which of the 4 planes contains the component
|
||||
typedef struct AVComponentDescriptor {
|
||||
/**
|
||||
* Which of the 4 planes contains the component.
|
||||
*/
|
||||
uint16_t plane : 2;
|
||||
|
||||
/**
|
||||
* Number of elements between 2 horizontally consecutive pixels minus 1.
|
||||
* Elements are bits for bitstream formats, bytes otherwise.
|
||||
*/
|
||||
uint16_t step_minus1 :3;
|
||||
uint16_t step_minus1 : 3;
|
||||
|
||||
/**
|
||||
* Number of elements before the component of the first pixel plus 1.
|
||||
* Elements are bits for bitstream formats, bytes otherwise.
|
||||
*/
|
||||
uint16_t offset_plus1 :3;
|
||||
uint16_t shift :3; ///< number of least significant bits that must be shifted away to get the value
|
||||
uint16_t depth_minus1 :4; ///< number of bits in the component minus 1
|
||||
}AVComponentDescriptor;
|
||||
uint16_t offset_plus1 : 3;
|
||||
|
||||
/**
|
||||
* Number of least significant bits that must be shifted away
|
||||
* to get the value.
|
||||
*/
|
||||
uint16_t shift : 3;
|
||||
|
||||
/**
|
||||
* Number of bits in the component minus 1.
|
||||
*/
|
||||
uint16_t depth_minus1 : 4;
|
||||
} AVComponentDescriptor;
|
||||
|
||||
/**
|
||||
* Descriptor that unambiguously describes how the bits of a pixel are
|
||||
|
@ -54,9 +66,9 @@ typedef struct AVComponentDescriptor{
|
|||
* and all the YUV variants) AVPixFmtDescriptor just stores how values
|
||||
* are stored not what these values represent.
|
||||
*/
|
||||
typedef struct AVPixFmtDescriptor{
|
||||
typedef struct AVPixFmtDescriptor {
|
||||
const char *name;
|
||||
uint8_t nb_components; ///< The number of components each pixel has, (1-4)
|
||||
uint8_t nb_components; ///< The number of components each pixel has, (1-4)
|
||||
|
||||
/**
|
||||
* Amount to shift the luma width right to find the chroma width.
|
||||
|
@ -65,7 +77,7 @@ typedef struct AVPixFmtDescriptor{
|
|||
* The note above is needed to ensure rounding up.
|
||||
* This value only refers to the chroma components.
|
||||
*/
|
||||
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
|
||||
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
|
||||
|
||||
/**
|
||||
* Amount to shift the luma height right to find the chroma height.
|
||||
|
@ -83,7 +95,7 @@ typedef struct AVPixFmtDescriptor{
|
|||
* comp[2].
|
||||
*/
|
||||
AVComponentDescriptor comp[4];
|
||||
}AVPixFmtDescriptor;
|
||||
} AVPixFmtDescriptor;
|
||||
|
||||
/**
|
||||
* Pixel format is big-endian.
|
||||
|
@ -157,8 +169,9 @@ extern attribute_deprecated const AVPixFmtDescriptor av_pix_fmt_descriptors[];
|
|||
* component c in data[1] to dst, rather than the palette indexes in
|
||||
* data[0]. The behavior is undefined if the format is not paletted.
|
||||
*/
|
||||
void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
|
||||
const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component);
|
||||
void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
|
||||
const int linesize[4], const AVPixFmtDescriptor *desc,
|
||||
int x, int y, int c, int w, int read_pal_component);
|
||||
|
||||
/**
|
||||
* Write the values from src to the pixel format component c of an
|
||||
|
@ -174,8 +187,9 @@ void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesiz
|
|||
* @param w the width of the line to write, that is the number of
|
||||
* values to write to the image line
|
||||
*/
|
||||
void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
|
||||
const AVPixFmtDescriptor *desc, int x, int y, int c, int w);
|
||||
void av_write_image_line(const uint16_t *src, uint8_t *data[4],
|
||||
const int linesize[4], const AVPixFmtDescriptor *desc,
|
||||
int x, int y, int c, int w);
|
||||
|
||||
/**
|
||||
* Return the pixel format corresponding to name.
|
||||
|
@ -208,7 +222,8 @@ const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
|
|||
* corresponding info string, or a negative value to print the
|
||||
* corresponding header.
|
||||
*/
|
||||
char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt);
|
||||
char *av_get_pix_fmt_string(char *buf, int buf_size,
|
||||
enum AVPixelFormat pix_fmt);
|
||||
|
||||
/**
|
||||
* Return the number of bits per pixel used by the pixel format
|
||||
|
@ -261,7 +276,6 @@ int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
|
|||
*/
|
||||
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
|
||||
|
||||
|
||||
/**
|
||||
* Utility function to swap the endianness of a pixel format.
|
||||
*
|
||||
|
@ -272,5 +286,4 @@ int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
|
|||
*/
|
||||
enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt);
|
||||
|
||||
|
||||
#endif /* AVUTIL_PIXDESC_H */
|
||||
|
|
Loading…
Reference in New Issue