[FFmpeg-cvslog] Merge commit 'f89ec87afaf0d1abb6d450253b0b348fd554533b'

James Almer git at videolan.org
Tue Sep 11 19:09:48 EEST 2018


ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Tue Sep 11 11:48:38 2018 -0300| [8822e2b9543bb02fb2889dff627b6db023053253] | committer: James Almer

Merge commit 'f89ec87afaf0d1abb6d450253b0b348fd554533b'

* commit 'f89ec87afaf0d1abb6d450253b0b348fd554533b':
  frame: Simplify the video allocation

Merged-by: James Almer <jamrial at gmail.com>
Padding-Remixed-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8822e2b9543bb02fb2889dff627b6db023053253
---

 libavutil/frame.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index deb9b6f334..6c2c28f18f 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -211,7 +211,8 @@ void av_frame_free(AVFrame **frame)
 static int get_video_buffer(AVFrame *frame, int align)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
-    int ret, i;
+    int ret, i, padded_height;
+    int plane_padding = FFMAX(16 + 16/*STRIDE_ALIGN*/, align);
 
     if (!desc)
         return AVERROR(EINVAL);
@@ -236,23 +237,22 @@ static int get_video_buffer(AVFrame *frame, int align)
             frame->linesize[i] = FFALIGN(frame->linesize[i], align);
     }
 
-    for (i = 0; i < 4 && frame->linesize[i]; i++) {
-        int h = FFALIGN(frame->height, 32);
-        if (i == 1 || i == 2)
-            h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
+    padded_height = FFALIGN(frame->height, 32);
+    if ((ret = av_image_fill_pointers(frame->data, frame->format, padded_height,
+                                      NULL, frame->linesize)) < 0)
+        return ret;
 
-        frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
-        if (!frame->buf[i])
-            goto fail;
+    frame->buf[0] = av_buffer_alloc(ret + 4*plane_padding);
+    if (!frame->buf[0])
+        goto fail;
 
-        frame->data[i] = frame->buf[i]->data;
-    }
-    if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & FF_PSEUDOPAL) {
-        av_buffer_unref(&frame->buf[1]);
-        frame->buf[1] = av_buffer_alloc(AVPALETTE_SIZE);
-        if (!frame->buf[1])
-            goto fail;
-        frame->data[1] = frame->buf[1]->data;
+    if (av_image_fill_pointers(frame->data, frame->format, padded_height,
+                               frame->buf[0]->data, frame->linesize) < 0)
+        goto fail;
+
+    for (i = 1; i < 4; i++) {
+        if (frame->data[i])
+            frame->data[i] += i * plane_padding;
     }
 
     frame->extended_data = frame->data;


======================================================================

diff --cc libavutil/frame.c
index deb9b6f334,fa6245914e..6c2c28f18f
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@@ -210,11 -89,7 +210,12 @@@ void av_frame_free(AVFrame **frame
  
  static int get_video_buffer(AVFrame *frame, int align)
  {
 -    int ret, i;
 +    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
-     int ret, i;
++    int ret, i, padded_height;
++    int plane_padding = FFMAX(16 + 16/*STRIDE_ALIGN*/, align);
 +
 +    if (!desc)
 +        return AVERROR(EINVAL);
  
      if ((ret = av_image_check_size(frame->width, frame->height, 0, NULL)) < 0)
          return ret;
@@@ -236,25 -107,18 +237,24 @@@
              frame->linesize[i] = FFALIGN(frame->linesize[i], align);
      }
  
-     for (i = 0; i < 4 && frame->linesize[i]; i++) {
-         int h = FFALIGN(frame->height, 32);
-         if (i == 1 || i == 2)
-             h = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
 -    if ((ret = av_image_fill_pointers(frame->data, frame->format, frame->height,
++    padded_height = FFALIGN(frame->height, 32);
++    if ((ret = av_image_fill_pointers(frame->data, frame->format, padded_height,
+                                       NULL, frame->linesize)) < 0)
+         return ret;
+ 
 -    frame->buf[0] = av_buffer_alloc(ret);
++    frame->buf[0] = av_buffer_alloc(ret + 4*plane_padding);
+     if (!frame->buf[0])
+         goto fail;
  
-         frame->buf[i] = av_buffer_alloc(frame->linesize[i] * h + 16 + 16/*STRIDE_ALIGN*/ - 1);
-         if (!frame->buf[i])
-             goto fail;
 -    if (av_image_fill_pointers(frame->data, frame->format, frame->height,
++    if (av_image_fill_pointers(frame->data, frame->format, padded_height,
+                                frame->buf[0]->data, frame->linesize) < 0)
+         goto fail;
  
-         frame->data[i] = frame->buf[i]->data;
-     }
-     if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & FF_PSEUDOPAL) {
-         av_buffer_unref(&frame->buf[1]);
-         frame->buf[1] = av_buffer_alloc(AVPALETTE_SIZE);
-         if (!frame->buf[1])
-             goto fail;
-         frame->data[1] = frame->buf[1]->data;
++    for (i = 1; i < 4; i++) {
++        if (frame->data[i])
++            frame->data[i] += i * plane_padding;
 +    }
 +
      frame->extended_data = frame->data;
  
      return 0;



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