From 2a83138913dbfc90958c52527fbfc1fc1bbf76e5 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Thu, 8 Jan 2009 00:46:38 +0100 Subject: pcm_resample: use pcm_buffer (1/2) Return a temporary buffer from pcm_resample_*() and pcm_convert(). --- src/pcm_convert.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) (limited to 'src/pcm_convert.c') diff --git a/src/pcm_convert.c b/src/pcm_convert.c index b9db24b9..9f285eae 100644 --- a/src/pcm_convert.c +++ b/src/pcm_convert.c @@ -76,16 +76,15 @@ pcm_convert_16(const struct audio_format *src_format, g_error("pcm_convert_channels_16() failed"); } - if (src_format->sample_rate == dest_format->sample_rate) { - assert(dest_size >= len); - memcpy(dest_buffer, buf, len); - } else { - len = pcm_resample_16(dest_format->channels, + if (src_format->sample_rate != dest_format->sample_rate) + buf = pcm_resample_16(&state->resample, + dest_format->channels, src_format->sample_rate, buf, len, dest_format->sample_rate, - dest_buffer, dest_size, - &state->resample); - } + &len); + + assert(dest_size >= len); + memcpy(dest_buffer, buf, len); return len; } @@ -117,16 +116,15 @@ pcm_convert_24(const struct audio_format *src_format, g_error("pcm_convert_channels_24() failed"); } - if (src_format->sample_rate == dest_format->sample_rate) { - assert(dest_size >= len); - memcpy(dest_buffer, buf, len); - } else { - len = pcm_resample_24(dest_format->channels, + if (src_format->sample_rate != dest_format->sample_rate) + buf = pcm_resample_24(&state->resample, + dest_format->channels, src_format->sample_rate, buf, len, dest_format->sample_rate, - (int32_t*)dest_buffer, dest_size, - &state->resample); - } + &len); + + assert(dest_size >= len); + memcpy(dest_buffer, buf, len); return len; } -- cgit v1.2.3