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avutil: remove deprecated FF_API_FIFO_OLD_API

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-01-20 10:58:23 -03:00
parent 43c62b11aa
commit 4105899245
3 changed files with 0 additions and 399 deletions
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219
libavutil/fifo.c
View File

@@ -290,222 +290,3 @@ void av_fifo_freep2(AVFifo **f)
av_freep(f);
}
}
#if FF_API_FIFO_OLD_API
#include "internal.h"
FF_DISABLE_DEPRECATION_WARNINGS
#define OLD_FIFO_SIZE_MAX (size_t)FFMIN3(INT_MAX, UINT32_MAX, SIZE_MAX)
AVFifoBuffer *av_fifo_alloc_array(size_t nmemb, size_t size)
{
AVFifoBuffer *f;
void *buffer;
if (nmemb > OLD_FIFO_SIZE_MAX / size)
return NULL;
buffer = av_realloc_array(NULL, nmemb, size);
if (!buffer)
return NULL;
f = av_mallocz(sizeof(AVFifoBuffer));
if (!f) {
av_free(buffer);
return NULL;
}
f->buffer = buffer;
f->end = f->buffer + nmemb * size;
av_fifo_reset(f);
return f;
}
AVFifoBuffer *av_fifo_alloc(unsigned int size)
{
return av_fifo_alloc_array(size, 1);
}
void av_fifo_free(AVFifoBuffer *f)
{
if (f) {
av_freep(&f->buffer);
av_free(f);
}
}
void av_fifo_freep(AVFifoBuffer **f)
{
if (f) {
av_fifo_free(*f);
*f = NULL;
}
}
void av_fifo_reset(AVFifoBuffer *f)
{
f->wptr = f->rptr = f->buffer;
f->wndx = f->rndx = 0;
}
int av_fifo_size(const AVFifoBuffer *f)
{
return (uint32_t)(f->wndx - f->rndx);
}
int av_fifo_space(const AVFifoBuffer *f)
{
return f->end - f->buffer - av_fifo_size(f);
}
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
{
unsigned int old_size = f->end - f->buffer;
if (new_size > OLD_FIFO_SIZE_MAX)
return AVERROR(EINVAL);
if (old_size < new_size) {
size_t offset_r = f->rptr - f->buffer;
size_t offset_w = f->wptr - f->buffer;
uint8_t *tmp;
tmp = av_realloc(f->buffer, new_size);
if (!tmp)
return AVERROR(ENOMEM);
// move the data from the beginning of the ring buffer
// to the newly allocated space
// the second condition distinguishes full vs empty fifo
if (offset_w <= offset_r && av_fifo_size(f)) {
const size_t copy = FFMIN(new_size - old_size, offset_w);
memcpy(tmp + old_size, tmp, copy);
if (copy < offset_w) {
memmove(tmp, tmp + copy , offset_w - copy);
offset_w -= copy;
} else
offset_w = old_size + copy;
}
f->buffer = tmp;
f->end = f->buffer + new_size;
f->rptr = f->buffer + offset_r;
f->wptr = f->buffer + offset_w;
}
return 0;
}
int av_fifo_grow(AVFifoBuffer *f, unsigned int size)
{
unsigned int old_size = f->end - f->buffer;
if(size + (unsigned)av_fifo_size(f) < size)
return AVERROR(EINVAL);
size += av_fifo_size(f);
if (old_size < size)
return av_fifo_realloc2(f, FFMAX(size, 2*old_size));
return 0;
}
/* src must NOT be const as it can be a context for func that may need
* updating (like a pointer or byte counter) */
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size,
int (*func)(void *, void *, int))
{
int total = size;
uint32_t wndx= f->wndx;
uint8_t *wptr= f->wptr;
if (size > av_fifo_space(f))
return AVERROR(ENOSPC);
do {
int len = FFMIN(f->end - wptr, size);
if (func) {
len = func(src, wptr, len);
if (len <= 0)
break;
} else {
memcpy(wptr, src, len);
src = (uint8_t *)src + len;
}
wptr += len;
if (wptr >= f->end)
wptr = f->buffer;
wndx += len;
size -= len;
} while (size > 0);
f->wndx= wndx;
f->wptr= wptr;
return total - size;
}
int av_fifo_generic_peek_at(AVFifoBuffer *f, void *dest, int offset, int buf_size, void (*func)(void*, void*, int))
{
uint8_t *rptr = f->rptr;
if (offset < 0 || buf_size > av_fifo_size(f) - offset)
return AVERROR(EINVAL);
if (offset >= f->end - rptr)
rptr += offset - (f->end - f->buffer);
else
rptr += offset;
while (buf_size > 0) {
int len;
if (rptr >= f->end)
rptr -= f->end - f->buffer;
len = FFMIN(f->end - rptr, buf_size);
if (func)
func(dest, rptr, len);
else {
memcpy(dest, rptr, len);
dest = (uint8_t *)dest + len;
}
buf_size -= len;
rptr += len;
}
return 0;
}
int av_fifo_generic_peek(AVFifoBuffer *f, void *dest, int buf_size,
void (*func)(void *, void *, int))
{
return av_fifo_generic_peek_at(f, dest, 0, buf_size, func);
}
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size,
void (*func)(void *, void *, int))
{
if (buf_size > av_fifo_size(f))
return AVERROR(EINVAL);
do {
int len = FFMIN(f->end - f->rptr, buf_size);
if (func)
func(dest, f->rptr, len);
else {
memcpy(dest, f->rptr, len);
dest = (uint8_t *)dest + len;
}
av_fifo_drain(f, len);
buf_size -= len;
} while (buf_size > 0);
return 0;
}
/** Discard data from the FIFO. */
void av_fifo_drain(AVFifoBuffer *f, int size)
{
av_assert2(av_fifo_size(f) >= size);
f->rptr += size;
if (f->rptr >= f->end)
f->rptr -= f->end - f->buffer;
f->rndx += size;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif

179
libavutil/fifo.h
View File

@@ -239,185 +239,6 @@ void av_fifo_reset2(AVFifo *f);
*/
void av_fifo_freep2(AVFifo **f);
#if FF_API_FIFO_OLD_API
typedef struct AVFifoBuffer {
uint8_t *buffer;
uint8_t *rptr, *wptr, *end;
uint32_t rndx, wndx;
} AVFifoBuffer;
/**
* Initialize an AVFifoBuffer.
* @param size of FIFO
* @return AVFifoBuffer or NULL in case of memory allocation failure
* @deprecated use av_fifo_alloc2()
*/
attribute_deprecated
AVFifoBuffer *av_fifo_alloc(unsigned int size);
/**
* Initialize an AVFifoBuffer.
* @param nmemb number of elements
* @param size size of the single element
* @return AVFifoBuffer or NULL in case of memory allocation failure
* @deprecated use av_fifo_alloc2()
*/
attribute_deprecated
AVFifoBuffer *av_fifo_alloc_array(size_t nmemb, size_t size);
/**
* Free an AVFifoBuffer.
* @param f AVFifoBuffer to free
* @deprecated use the AVFifo API with av_fifo_freep2()
*/
attribute_deprecated
void av_fifo_free(AVFifoBuffer *f);
/**
* Free an AVFifoBuffer and reset pointer to NULL.
* @param f AVFifoBuffer to free
* @deprecated use the AVFifo API with av_fifo_freep2()
*/
attribute_deprecated
void av_fifo_freep(AVFifoBuffer **f);
/**
* Reset the AVFifoBuffer to the state right after av_fifo_alloc, in particular it is emptied.
* @param f AVFifoBuffer to reset
* @deprecated use av_fifo_reset2() with the new AVFifo-API
*/
attribute_deprecated
void av_fifo_reset(AVFifoBuffer *f);
/**
* Return the amount of data in bytes in the AVFifoBuffer, that is the
* amount of data you can read from it.
* @param f AVFifoBuffer to read from
* @return size
* @deprecated use av_fifo_can_read() with the new AVFifo-API
*/
attribute_deprecated
int av_fifo_size(const AVFifoBuffer *f);
/**
* Return the amount of space in bytes in the AVFifoBuffer, that is the
* amount of data you can write into it.
* @param f AVFifoBuffer to write into
* @return size
* @deprecated use av_fifo_can_write() with the new AVFifo-API
*/
attribute_deprecated
int av_fifo_space(const AVFifoBuffer *f);
/**
* Feed data at specific position from an AVFifoBuffer to a user-supplied callback.
* Similar as av_fifo_gereric_read but without discarding data.
* @param f AVFifoBuffer to read from
* @param offset offset from current read position
* @param buf_size number of bytes to read
* @param func generic read function
* @param dest data destination
*
* @return a non-negative number on success, a negative error code on failure
*
* @deprecated use the new AVFifo-API with av_fifo_peek() when func == NULL,
* av_fifo_peek_to_cb() otherwise
*/
attribute_deprecated
int av_fifo_generic_peek_at(AVFifoBuffer *f, void *dest, int offset, int buf_size, void (*func)(void*, void*, int));
/**
* Feed data from an AVFifoBuffer to a user-supplied callback.
* Similar as av_fifo_gereric_read but without discarding data.
* @param f AVFifoBuffer to read from
* @param buf_size number of bytes to read
* @param func generic read function
* @param dest data destination
*
* @return a non-negative number on success, a negative error code on failure
*
* @deprecated use the new AVFifo-API with av_fifo_peek() when func == NULL,
* av_fifo_peek_to_cb() otherwise
*/
attribute_deprecated
int av_fifo_generic_peek(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int));
/**
* Feed data from an AVFifoBuffer to a user-supplied callback.
* @param f AVFifoBuffer to read from
* @param buf_size number of bytes to read
* @param func generic read function
* @param dest data destination
*
* @return a non-negative number on success, a negative error code on failure
*
* @deprecated use the new AVFifo-API with av_fifo_read() when func == NULL,
* av_fifo_read_to_cb() otherwise
*/
attribute_deprecated
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void (*func)(void*, void*, int));
/**
* Feed data from a user-supplied callback to an AVFifoBuffer.
* @param f AVFifoBuffer to write to
* @param src data source; non-const since it may be used as a
* modifiable context by the function defined in func
* @param size number of bytes to write
* @param func generic write function; the first parameter is src,
* the second is dest_buf, the third is dest_buf_size.
* func must return the number of bytes written to dest_buf, or <= 0 to
* indicate no more data available to write.
* If func is NULL, src is interpreted as a simple byte array for source data.
* @return the number of bytes written to the FIFO or a negative error code on failure
*
* @deprecated use the new AVFifo-API with av_fifo_write() when func == NULL,
* av_fifo_write_from_cb() otherwise
*/
attribute_deprecated
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void*, void*, int));
/**
* Resize an AVFifoBuffer.
* In case of reallocation failure, the old FIFO is kept unchanged.
*
* @param f AVFifoBuffer to resize
* @param size new AVFifoBuffer size in bytes
* @return <0 for failure, >=0 otherwise
*
* @deprecated use the new AVFifo-API with av_fifo_grow2() to increase FIFO size,
* decreasing FIFO size is not supported
*/
attribute_deprecated
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size);
/**
* Enlarge an AVFifoBuffer.
* In case of reallocation failure, the old FIFO is kept unchanged.
* The new fifo size may be larger than the requested size.
*
* @param f AVFifoBuffer to resize
* @param additional_space the amount of space in bytes to allocate in addition to av_fifo_size()
* @return <0 for failure, >=0 otherwise
*
* @deprecated use the new AVFifo-API with av_fifo_grow2(); note that unlike
* this function it adds to the allocated size, rather than to the used size
*/
attribute_deprecated
int av_fifo_grow(AVFifoBuffer *f, unsigned int additional_space);
/**
* Read and discard the specified amount of data from an AVFifoBuffer.
* @param f AVFifoBuffer to read from
* @param size amount of data to read in bytes
*
* @deprecated use the new AVFifo-API with av_fifo_drain2()
*/
attribute_deprecated
void av_fifo_drain(AVFifoBuffer *f, int size);
#endif
/**
* @}
*/

1
libavutil/version.h
View File

@@ -105,7 +105,6 @@
* @{
*/
#define FF_API_FIFO_OLD_API (LIBAVUTIL_VERSION_MAJOR < 59)
#define FF_API_XVMC (LIBAVUTIL_VERSION_MAJOR < 59)
#define FF_API_OLD_CHANNEL_LAYOUT (LIBAVUTIL_VERSION_MAJOR < 59)
#define FF_API_AV_FOPEN_UTF8 (LIBAVUTIL_VERSION_MAJOR < 59)