diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libswresample/swresample.h')
| -rw-r--r-- | chromium/third_party/ffmpeg/libswresample/swresample.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/chromium/third_party/ffmpeg/libswresample/swresample.h b/chromium/third_party/ffmpeg/libswresample/swresample.h index 381130184d1..017a320c014 100644 --- a/chromium/third_party/ffmpeg/libswresample/swresample.h +++ b/chromium/third_party/ffmpeg/libswresample/swresample.h @@ -166,6 +166,13 @@ struct SwrContext *swr_alloc(void); int swr_init(struct SwrContext *s); /** + * Check whether an swr context has been initialized or not. + * + * @return positive if it has been initialized, 0 if not initialized + */ +int swr_is_initialized(struct SwrContext *s); + +/** * Allocate SwrContext if needed and set/reset common parameters. * * This function does not require s to be allocated with swr_alloc(). On the @@ -196,6 +203,16 @@ struct SwrContext *swr_alloc_set_opts(struct SwrContext *s, void swr_free(struct SwrContext **s); /** + * Closes the context so that swr_is_initialized() returns 0. + * + * the context can be brougt back to life by running swr_init(), + * swr_init() can also be used without swr_close(). + * This function is mainly provided for simplifying the usecase + * where one tries to support libavresample and libswresample + */ +void swr_close(struct SwrContext *s); + +/** * Convert audio. * * in and in_count can be set to 0 to flush the last few samples out at the @@ -203,7 +220,7 @@ void swr_free(struct SwrContext **s); * * If more input is provided than output space then the input will be buffered. * You can avoid this buffering by providing more output space than input. - * Convertion will run directly without copying whenever possible. + * Conversion will run directly without copying whenever possible. * * @param s allocated Swr context, with parameters set * @param out output buffers, only the first one need be set in case of packed audio |