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lavr: add a function for checking whether AVAudioResampleContext is open

This commit is contained in:
Anton Khirnov 2013-04-25 20:08:49 +02:00
parent d922c5a5fb
commit 7e86c27b4e
4 changed files with 17 additions and 1 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2013-12-xx
API changes, most recent first:
2014-02-xx - xxxxxxx - lavr 1.2.0 - avresample.h
Add avresample_is_open() for checking whether a resample context is open.
2014-xx-xx - xxxxxxx - lavu 53.04.0 - opt.h
Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
for reading.

8
libavresample/avresample.h
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@ -171,6 +171,14 @@ AVAudioResampleContext *avresample_alloc_context(void);
*/
int avresample_open(AVAudioResampleContext *avr);
/**
* Check whether an AVAudioResampleContext is open or closed.
*
* @param avr AVAudioResampleContext to check
* @return 1 if avr is open, 0 if avr is closed.
*/
int avresample_is_open(AVAudioResampleContext *avr);
/**
* Close AVAudioResampleContext.
*

5
libavresample/utils.c
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@ -254,6 +254,11 @@ error:
return ret;
}
int avresample_is_open(AVAudioResampleContext *avr)
{
return !!avr->out_fifo;
}
void avresample_close(AVAudioResampleContext *avr)
{
ff_audio_data_free(&avr->in_buffer);

2
libavresample/version.h
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@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVRESAMPLE_VERSION_MAJOR 1
#define LIBAVRESAMPLE_VERSION_MINOR 1
#define LIBAVRESAMPLE_VERSION_MINOR 2
#define LIBAVRESAMPLE_VERSION_MICRO 0
#define LIBAVRESAMPLE_VERSION_INT AV_VERSION_INT(LIBAVRESAMPLE_VERSION_MAJOR, \