From 0982b0a431060039517b35af7eae14dbf1c2ce10 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 9 May 2012 06:35:13 +0200 Subject: [PATCH] lavr: make avresample_read() with NULL output discard samples. --- libavresample/avresample.h | 3 ++- libavresample/utils.c | 2 ++ libavresample/version.h | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/libavresample/avresample.h b/libavresample/avresample.h index 7350805e41..65d4d2d6e2 100644 --- a/libavresample/avresample.h +++ b/libavresample/avresample.h @@ -274,7 +274,8 @@ int avresample_available(AVAudioResampleContext *avr); * @see avresample_convert() * * @param avr audio resample context - * @param output output data pointers + * @param output output data pointers. May be NULL, in which case + * nb_samples of data is discarded from output FIFO. * @param nb_samples number of samples to read from the FIFO * @return the number of samples written to output */ diff --git a/libavresample/utils.c b/libavresample/utils.c index f54dcc6ae6..e533760abc 100644 --- a/libavresample/utils.c +++ b/libavresample/utils.c @@ -385,6 +385,8 @@ int avresample_available(AVAudioResampleContext *avr) int avresample_read(AVAudioResampleContext *avr, void **output, int nb_samples) { + if (!output) + return av_audio_fifo_drain(avr->out_fifo, nb_samples); return av_audio_fifo_read(avr->out_fifo, output, nb_samples); } diff --git a/libavresample/version.h b/libavresample/version.h index 47504c9380..6211a56352 100644 --- a/libavresample/version.h +++ b/libavresample/version.h @@ -21,7 +21,7 @@ #define LIBAVRESAMPLE_VERSION_MAJOR 0 #define LIBAVRESAMPLE_VERSION_MINOR 0 -#define LIBAVRESAMPLE_VERSION_MICRO 1 +#define LIBAVRESAMPLE_VERSION_MICRO 2 #define LIBAVRESAMPLE_VERSION_INT AV_VERSION_INT(LIBAVRESAMPLE_VERSION_MAJOR, \ LIBAVRESAMPLE_VERSION_MINOR, \