[FFmpeg-cvslog] avcodec/alsdec: Improve code locality

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Fri Feb 11 15:22:48 2022 +0100| [e925d5453b476017ef7aff60b66e98fb74168b2f] | committer: Andreas Rheinhardt

avcodec/alsdec: Improve code locality

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e925d5453b476017ef7aff60b66e98fb74168b2f
---

 libavcodec/alsdec.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index f8609e61fd..c09401d257 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -2094,12 +2094,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
         ctx->reverted_channels = NULL;
     }
 
-    channel_size      = sconf->frame_length + sconf->max_order;
-
-    ctx->prev_raw_samples = av_malloc_array(sconf->max_order, sizeof(*ctx->prev_raw_samples));
-    ctx->raw_buffer       = av_calloc(avctx->channels * channel_size, sizeof(*ctx->raw_buffer));
-    ctx->raw_samples      = av_malloc_array(avctx->channels, sizeof(*ctx->raw_samples));
-
     if (sconf->floating) {
         ctx->acf               = av_malloc_array(avctx->channels, sizeof(*ctx->acf));
         ctx->shift_value       = av_malloc_array(avctx->channels, sizeof(*ctx->shift_value));
@@ -2125,7 +2119,12 @@ static av_cold int decode_init(AVCodecContext *avctx)
         }
     }
 
+    channel_size      = sconf->frame_length + sconf->max_order;
+
     // allocate previous raw sample buffer
+    ctx->prev_raw_samples = av_malloc_array(sconf->max_order, sizeof(*ctx->prev_raw_samples));
+    ctx->raw_buffer       = av_calloc(avctx->channels * channel_size, sizeof(*ctx->raw_buffer));
+    ctx->raw_samples      = av_malloc_array(avctx->channels, sizeof(*ctx->raw_samples));
     if (!ctx->prev_raw_samples || !ctx->raw_buffer|| !ctx->raw_samples) {
         av_log(avctx, AV_LOG_ERROR, "Allocating buffer memory failed.\n");
         return AVERROR(ENOMEM);