[FFmpeg-cvslog] avcodec/magicyuvenc: stop hardcoding max possible align

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Sep 10 12:44:58 2023 +0200| [a71662429367556dac50f3db6112e7502db86592] | committer: Paul B Mahol

avcodec/magicyuvenc: stop hardcoding max possible align

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a71662429367556dac50f3db6112e7502db86592
---

 libavcodec/magicyuvenc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/magicyuvenc.c b/libavcodec/magicyuvenc.c
index a8a85f1b5f..97a7779c08 100644
--- a/libavcodec/magicyuvenc.c
+++ b/libavcodec/magicyuvenc.c
@@ -194,10 +194,10 @@ static av_cold int magy_encode_init(AVCodecContext *avctx)
         break;
     }
     if (s->correlate) {
-        s->decorrelate_buf[0] = av_calloc(2U * avctx->height, FFALIGN(avctx->width, 16));
+        s->decorrelate_buf[0] = av_calloc(2U * avctx->height, FFALIGN(avctx->width, av_cpu_max_align()));
         if (!s->decorrelate_buf[0])
             return AVERROR(ENOMEM);
-        s->decorrelate_buf[1] = s->decorrelate_buf[0] + avctx->height * FFALIGN(avctx->width, 16);
+        s->decorrelate_buf[1] = s->decorrelate_buf[0] + avctx->height * FFALIGN(avctx->width, av_cpu_max_align());
     }
 
     ff_llvidencdsp_init(&s->llvidencdsp);
@@ -471,7 +471,7 @@ static int encode_slice(AVCodecContext *avctx, void *tdata,
 static int predict_slice(AVCodecContext *avctx, void *tdata,
                          int n, int threadnr)
 {
-    const int aligned_width = FFALIGN(avctx->width, 16);
+    const int aligned_width = FFALIGN(avctx->width, av_cpu_max_align());
     MagicYUVContext *s = avctx->priv_data;
     const int slice_height = s->slice_height;
     const int last_height = FFMIN(slice_height, avctx->height - n * slice_height);
@@ -484,7 +484,7 @@ static int predict_slice(AVCodecContext *avctx, void *tdata,
                                      s->decorrelate_buf[1] + n * slice_height * aligned_width };
         const int decorrelate_linesize = aligned_width;
         const uint8_t *const data[4] = { decorrelated[0], frame->data[0] + n * slice_height * frame->linesize[0],
-                                         decorrelated[1], frame->data[3] + n * slice_height * frame->linesize[3] };
+                                         decorrelated[1], s->planes == 4 ? frame->data[3] + n * slice_height * frame->linesize[3] : NULL };
         const uint8_t *r, *g, *b;
         const int linesize[4]  = { decorrelate_linesize, frame->linesize[0],
                                    decorrelate_linesize, frame->linesize[3] };