From aab85577bf7576895ccae0403d5cb95aa113f7f0 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 7 Jan 2009 23:56:35 +0100 Subject: pcm_channels: use pcm_buffer Replace a "static" buffer with the PCM buffer library. --- src/pcm_channels.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) (limited to 'src/pcm_channels.c') diff --git a/src/pcm_channels.c b/src/pcm_channels.c index 13fe81cb4..a63c7f2e9 100644 --- a/src/pcm_channels.c +++ b/src/pcm_channels.c @@ -17,6 +17,7 @@ */ #include "pcm_channels.h" +#include "pcm_buffer.h" #include @@ -72,28 +73,23 @@ pcm_convert_channels_16_n_to_2(int16_t *dest, } const int16_t * -pcm_convert_channels_16(int8_t dest_channels, +pcm_convert_channels_16(struct pcm_buffer *buffer, + int8_t dest_channels, int8_t src_channels, const int16_t *src, size_t src_size, size_t *dest_size_r) { - static int16_t *buf; - static size_t len; unsigned num_frames = src_size / src_channels / sizeof(*src); unsigned dest_size = num_frames * dest_channels * sizeof(*src); - - if (dest_size > len) { - len = dest_size; - buf = g_realloc(buf, len); - } + int16_t *dest = pcm_buffer_get(buffer, dest_size); *dest_size_r = dest_size; if (src_channels == 1 && dest_channels == 2) - pcm_convert_channels_16_1_to_2(buf, src, num_frames); + pcm_convert_channels_16_1_to_2(dest, src, num_frames); else if (src_channels == 2 && dest_channels == 1) - pcm_convert_channels_16_2_to_1(buf, src, num_frames); + pcm_convert_channels_16_2_to_1(dest, src, num_frames); else if (dest_channels == 2) - pcm_convert_channels_16_n_to_2(buf, src_channels, src, + pcm_convert_channels_16_n_to_2(dest, src_channels, src, num_frames); else { g_warning("conversion %u->%u channels is not supported", @@ -101,7 +97,7 @@ pcm_convert_channels_16(int8_t dest_channels, return NULL; } - return buf; + return dest; } static void @@ -151,28 +147,23 @@ pcm_convert_channels_24_n_to_2(int32_t *dest, } const int32_t * -pcm_convert_channels_24(int8_t dest_channels, +pcm_convert_channels_24(struct pcm_buffer *buffer, + int8_t dest_channels, int8_t src_channels, const int32_t *src, size_t src_size, size_t *dest_size_r) { - static int32_t *buf; - static size_t len; unsigned num_frames = src_size / src_channels / sizeof(*src); unsigned dest_size = num_frames * dest_channels * sizeof(*src); - - if (dest_size > len) { - len = dest_size; - buf = g_realloc(buf, len); - } + int32_t *dest = pcm_buffer_get(buffer, dest_size); *dest_size_r = dest_size; if (src_channels == 1 && dest_channels == 2) - pcm_convert_channels_24_1_to_2(buf, src, num_frames); + pcm_convert_channels_24_1_to_2(dest, src, num_frames); else if (src_channels == 2 && dest_channels == 1) - pcm_convert_channels_24_2_to_1(buf, src, num_frames); + pcm_convert_channels_24_2_to_1(dest, src, num_frames); else if (dest_channels == 2) - pcm_convert_channels_24_n_to_2(buf, src_channels, src, + pcm_convert_channels_24_n_to_2(dest, src_channels, src, num_frames); else { g_warning("conversion %u->%u channels is not supported", @@ -180,5 +171,5 @@ pcm_convert_channels_24(int8_t dest_channels, return NULL; } - return buf; + return dest; } -- cgit v1.2.3