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authorDiego Biurrun <diego@biurrun.de>2007-03-02 10:09:51 +0000
committerDiego Biurrun <diego@biurrun.de>2007-03-02 10:09:51 +0000
commit82ffe1919a7a8665bf482a85766c541afaba85d9 (patch)
treeb0d12f1b12ef3b29ad190134b390bd4e5a58f258 /libavutil/fifo.h
parent387afa9d01edf508232972195cb185624d5e4ea4 (diff)
downloadffmpeg-82ffe1919a7a8665bf482a85766c541afaba85d9.tar.gz
Improve Doxygen documentation, inspired by Michael's description.
Originally committed as revision 8187 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/fifo.h')
-rw-r--r--libavutil/fifo.h49
1 files changed, 21 insertions, 28 deletions
diff --git a/libavutil/fifo.h b/libavutil/fifo.h
index 177603434f..e1e85293dd 100644
--- a/libavutil/fifo.h
+++ b/libavutil/fifo.h
@@ -30,73 +30,66 @@ typedef struct AVFifoBuffer {
} AVFifoBuffer;
/**
- * Initializes a FIFO *.
- * @param *f FIFO buffer
+ * Initializes an AVFifoBuffer.
+ * @param *f AVFifoBuffer to initialize
* @param size of FIFO
* @return <0 for failure >=0 otherwise
*/
int av_fifo_init(AVFifoBuffer *f, int size);
/**
- * Frees a FIFO *.
- * @param *f FIFO buffer
+ * Frees an AVFifoBuffer.
+ * @param *f AVFifoBuffer to free
*/
void av_fifo_free(AVFifoBuffer *f);
/**
- * Returns the size of a FIFO *.
- * @param *f FIFO buffer
+ * Returns 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
*/
int av_fifo_size(AVFifoBuffer *f);
/**
- * Reads the data from the FIFO *.
- * @param *f FIFO buffer
+ * Reads data from an AVFifoBuffer.
+ * @param *f AVFifoBuffer to read from
* @param *buf data destination
- * @param buf_size data size
- * @return -1 if not enough data
+ * @param buf_size number of bytes to read
*/
int av_fifo_read(AVFifoBuffer *f, uint8_t *buf, int buf_size);
/**
- * Reads the data from the FIFO *.
- * @param *f FIFO buffer
- * @param buf_size data size
+ * Feeds 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 -1 if not enough data
*/
int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void*, int), void* dest);
/**
- * Writes the data in the FIFO *.
- * @param *f FIFO buffer
+ * Writes data into an AVFifoBuffer.
+ * @param *f AVFifoBuffer to write to
* @param *buf data source
* @param size data size
*/
void av_fifo_write(AVFifoBuffer *f, const uint8_t *buf, int size);
/**
- * Resizes the FIFO *.
- * @param *f FIFO buffer
- * @param size data size
+ * Resizes an AVFifoBuffer.
+ * @param *f AVFifoBuffer to resize
+ * @param size new AVFifoBuffer size in bytes
*/
void av_fifo_realloc(AVFifoBuffer *f, unsigned int size);
/**
- * Discards the data from the FIFO *.
- * @param *f FIFO buffer
- * @param size data size
+ * Reads and discards the specified amount of data from an AVFifoBuffer.
+ * @param *f AVFifoBuffer to read from
+ * @param size amount of data to read in bytes
*/
void av_fifo_drain(AVFifoBuffer *f, int size);
-/**
- * Returns a pointer with circular offset from FIFO's read pointer.
- * @param *f FIFO buffer
- * @param offs offset
- * @return ptr=rptr+offs if rptr+offs<end else rptr+offs -(end-begin)
- */
static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int offs)
{
uint8_t *ptr = f->rptr + offs;