This is already done in avcodec_decode_audio3()
---
libavcodec/alac.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 4b44219..1056e6c 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -368,10 +368,6 @@ static int alac_decode_frame(AVCodecContext *avctx,
uint8_t interlacing_leftweight;
int i, ch;
- /* short-circuit null buffers */
- if (!inbuffer || !input_buffer_size)
- return -1;
-
init_get_bits(&alac->gb, inbuffer, input_buffer_size * 8);
channels = get_bits(&alac->gb, 3) + 1;
--
1.7.1
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