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From 9acab46fe307ec71d4a4dbe447e356f90b6a4a09 Mon Sep 17 00:00:00 2001
From: Shengjiu Wang <shengjiu.wang@freescale.com>
Date: Fri, 12 Dec 2014 14:58:06 +0800
Subject: [PATCH] [asrc_pair] update output buffer size
When input size larger than DMA_MAX_BYTES the output size should be updated.
Otherwise the asrc have will not have enough data, then it will be timeout.
Upstream Status: Inappropriate [platform specific]
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
---
asrc/asrc_pair.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/asrc/asrc_pair.c b/asrc/asrc_pair.c
index e3df027..e74e8b1 100644
--- a/asrc/asrc_pair.c
+++ b/asrc/asrc_pair.c
@@ -139,7 +139,7 @@ asrc_pair *asrc_pair_create(unsigned int channels, ssize_t in_period_frames,
config.dma_buffer_size = dma_buffer_size;
config.input_sample_rate = in_rate;
config.output_sample_rate = out_rate;
- config.buffer_num = 1;
+ config.buffer_num = buf_num;
config.input_word_width = ASRC_WIDTH_16_BIT;
config.output_word_width = ASRC_WIDTH_16_BIT;
config.inclk = INCLK_NONE;
@@ -303,8 +303,13 @@ void asrc_pair_convert_s16(asrc_pair *pair, const int16_t *src, unsigned int src
while (src_left > 0)
{
- in_len = src_left > pair->buf_size ? pair->buf_size : src_left;
- out_len = dst_left;
+ if (src_left > pair->buf_size) {
+ in_len = pair->buf_size;
+ out_len = dst_left * in_len/src_left;
+ } else {
+ in_len = src_left;
+ out_len = dst_left;
+ }
buf_info.input_buffer_vaddr = s;
buf_info.input_buffer_length = in_len;
--
1.9.1
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