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swscale: publicly typedef struct SwsContext 

Slightly more convenient, especially for the upcoming refactor which will
turn SwsContext into a public struct.

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas Haas 2024-10-09 13:33:32 +02:00
parent b520d95467
commit fbfea1c644
2 changed files with 29 additions and 29 deletions
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44
libswscale/swscale.h
View File

@ -150,7 +150,7 @@ typedef struct SwsFilter {
SwsVector *chrV;
} SwsFilter;
struct SwsContext;
typedef struct SwsContext SwsContext;
/**
* Return a positive value if pix_fmt is a supported input format, 0
@ -176,7 +176,7 @@ int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt);
* sws_init_context(). For filling see AVOptions, options.c and
* sws_setColorspaceDetails().
*/
struct SwsContext *sws_alloc_context(void);
SwsContext *sws_alloc_context(void);
/**
* Initialize the swscaler context sws_context.
@ -185,13 +185,13 @@ struct SwsContext *sws_alloc_context(void);
* error
*/
av_warn_unused_result
int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
int sws_init_context(SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
/**
* Free the swscaler context swsContext.
* If swsContext is NULL, then does nothing.
*/
void sws_freeContext(struct SwsContext *swsContext);
void sws_freeContext(SwsContext *swsContext);
/**
* Allocate and return an SwsContext. You need it to perform
@ -214,10 +214,10 @@ void sws_freeContext(struct SwsContext *swsContext);
* @note this function is to be removed after a saner alternative is
* written
*/
struct SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH, enum AVPixelFormat dstFormat,
int flags, SwsFilter *srcFilter,
SwsFilter *dstFilter, const double *param);
SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH, enum AVPixelFormat dstFormat,
int flags, SwsFilter *srcFilter,
SwsFilter *dstFilter, const double *param);
/**
* Scale the image slice in srcSlice and put the resulting scaled
@ -245,7 +245,7 @@ struct SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcForm
* the destination image
* @return the height of the output slice
*/
int sws_scale(struct SwsContext *c, const uint8_t *const srcSlice[],
int sws_scale(SwsContext *c, const uint8_t *const srcSlice[],
const int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *const dst[], const int dstStride[]);
@ -265,7 +265,7 @@ int sws_scale(struct SwsContext *c, const uint8_t *const srcSlice[],
*
* @return 0 on success, a negative AVERROR code on failure
*/
int sws_scale_frame(struct SwsContext *c, AVFrame *dst, const AVFrame *src);
int sws_scale_frame(SwsContext *c, AVFrame *dst, const AVFrame *src);
/**
* Initialize the scaling process for a given pair of source/destination frames.
@ -292,7 +292,7 @@ int sws_scale_frame(struct SwsContext *c, AVFrame *dst, const AVFrame *src);
*
* @see sws_frame_end()
*/
int sws_frame_start(struct SwsContext *c, AVFrame *dst, const AVFrame *src);
int sws_frame_start(SwsContext *c, AVFrame *dst, const AVFrame *src);
/**
* Finish the scaling process for a pair of source/destination frames previously
@ -302,7 +302,7 @@ int sws_frame_start(struct SwsContext *c, AVFrame *dst, const AVFrame *src);
*
* @param c The scaling context
*/
void sws_frame_end(struct SwsContext *c);
void sws_frame_end(SwsContext *c);
/**
* Indicate that a horizontal slice of input data is available in the source
@ -316,7 +316,7 @@ void sws_frame_end(struct SwsContext *c);
*
* @return a non-negative number on success, a negative AVERROR code on failure.
*/
int sws_send_slice(struct SwsContext *c, unsigned int slice_start,
int sws_send_slice(SwsContext *c, unsigned int slice_start,
unsigned int slice_height);
/**
@ -336,7 +336,7 @@ int sws_send_slice(struct SwsContext *c, unsigned int slice_start,
* output can be produced
* another negative AVERROR code on other kinds of scaling failure
*/
int sws_receive_slice(struct SwsContext *c, unsigned int slice_start,
int sws_receive_slice(SwsContext *c, unsigned int slice_start,
unsigned int slice_height);
/**
@ -347,7 +347,7 @@ int sws_receive_slice(struct SwsContext *c, unsigned int slice_start,
* Slice offsets and sizes passed to sws_receive_slice() must be
* multiples of the value returned from this function.
*/
unsigned int sws_receive_slice_alignment(const struct SwsContext *c);
unsigned int sws_receive_slice_alignment(const SwsContext *c);
/**
* @param c the scaling context
@ -362,7 +362,7 @@ unsigned int sws_receive_slice_alignment(const struct SwsContext *c);
* @return A negative error code on error, non negative otherwise.
* If `LIBSWSCALE_VERSION_MAJOR < 7`, returns -1 if not supported.
*/
int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4],
int srcRange, const int table[4], int dstRange,
int brightness, int contrast, int saturation);
@ -370,7 +370,7 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
* @return A negative error code on error, non negative otherwise.
* If `LIBSWSCALE_VERSION_MAJOR < 7`, returns -1 if not supported.
*/
int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
int sws_getColorspaceDetails(SwsContext *c, int **inv_table,
int *srcRange, int **table, int *dstRange,
int *brightness, int *contrast, int *saturation);
@ -415,11 +415,11 @@ void sws_freeFilter(SwsFilter *filter);
* Be warned that srcFilter and dstFilter are not checked, they
* are assumed to remain the same.
*/
struct SwsContext *sws_getCachedContext(struct SwsContext *context,
int srcW, int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH, enum AVPixelFormat dstFormat,
int flags, SwsFilter *srcFilter,
SwsFilter *dstFilter, const double *param);
SwsContext *sws_getCachedContext(SwsContext *context, int srcW, int srcH,
enum AVPixelFormat srcFormat, int dstW, int dstH,
enum AVPixelFormat dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter,
const double *param);
/**
* Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.

14
libswscale/utils.c
View File

@ -2515,13 +2515,13 @@ void sws_freeContext(SwsContext *c)
av_free(c);
}
struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW,
int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH,
enum AVPixelFormat dstFormat, int flags,
SwsFilter *srcFilter,
SwsFilter *dstFilter,
const double *param)
SwsContext *sws_getCachedContext(SwsContext *context, int srcW,
int srcH, enum AVPixelFormat srcFormat,
int dstW, int dstH,
enum AVPixelFormat dstFormat, int flags,
SwsFilter *srcFilter,
SwsFilter *dstFilter,
const double *param)
{
static const double default_param[2] = { SWS_PARAM_DEFAULT,
SWS_PARAM_DEFAULT };