diff options
Diffstat (limited to 'recipes-multimedia/alsa/fsl-alsa-plugins/0001-asrc_pair-update-output-buffer-size.patch')
| -rw-r--r-- | recipes-multimedia/alsa/fsl-alsa-plugins/0001-asrc_pair-update-output-buffer-size.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/recipes-multimedia/alsa/fsl-alsa-plugins/0001-asrc_pair-update-output-buffer-size.patch b/recipes-multimedia/alsa/fsl-alsa-plugins/0001-asrc_pair-update-output-buffer-size.patch new file mode 100644 index 00000000..d76c74d4 --- /dev/null +++ b/recipes-multimedia/alsa/fsl-alsa-plugins/0001-asrc_pair-update-output-buffer-size.patch @@ -0,0 +1,47 @@ +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 + |