avcodec/hevcdec: export cropping information instead of handling it internally

This merges commit a02ae1c6837a54ed9e7735da2b1f789b2f4b6e13 from libav,
originally written by Anton Khirnov and skipped in
fc63d5ceb357c4b760cb02772de0b50d0557140f.

 libavcodec/hevc_parser.c |  6 ++++--
 libavcodec/hevc_ps.c     | 31 ++++++++++++-------------------
 libavcodec/hevc_ps.h     |  2 --
 libavcodec/hevc_refs.c   | 18 +++++-------------
 libavcodec/hevcdec.c     |  7 ++++---
 libavcodec/hevcdec.h     |  2 --
 6 files changed, 25 insertions(+), 41 deletions(-)

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 5 insertions, 13 deletions

diff --git a/libavcodec/hevc_refs.c b/libavcodec/hevc_refs.c
index fc1385ca55..f9818c958e 100644
--- a/libavcodec/hevc_refs.c
+++ b/libavcodec/hevc_refs.c
@@ -163,7 +163,10 @@ int ff_hevc_set_new_ref(HEVCContext *s, AVFrame **frame, int poc)
 
     ref->poc      = poc;
     ref->sequence = s->seq_decode;
-    ref->window   = s->ps.sps->output_window;
+    ref->frame->crop_left   = s->ps.sps->output_window.left_offset;
+    ref->frame->crop_right  = s->ps.sps->output_window.right_offset;
+    ref->frame->crop_top    = s->ps.sps->output_window.top_offset;
+    ref->frame->crop_bottom = s->ps.sps->output_window.bottom_offset;
 
     return 0;
 }
@@ -204,12 +207,8 @@ int ff_hevc_output_frame(HEVCContext *s, AVFrame *out, int flush)
 
         if (nb_output) {
             HEVCFrame *frame = &s->DPB[min_idx];
-            AVFrame *dst = out;
-            AVFrame *src = frame->frame;
-            const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(src->format);
-            int pixel_shift = !!(desc->comp[0].depth > 8);
 
-            ret = av_frame_ref(out, src);
+            ret = av_frame_ref(out, frame->frame);
             if (frame->flags & HEVC_FRAME_FLAG_BUMPING)
                 ff_hevc_unref_frame(s, frame, HEVC_FRAME_FLAG_OUTPUT | HEVC_FRAME_FLAG_BUMPING);
             else
@@ -217,13 +216,6 @@ int ff_hevc_output_frame(HEVCContext *s, AVFrame *out, int flush)
             if (ret < 0)
                 return ret;
 
-            for (i = 0; i < 3; i++) {
-                int hshift = (i > 0) ? desc->log2_chroma_w : 0;
-                int vshift = (i > 0) ? desc->log2_chroma_h : 0;
-                int off = ((frame->window.left_offset >> hshift) << pixel_shift) +
-                          (frame->window.top_offset   >> vshift) * dst->linesize[i];
-                dst->data[i] += off;
-            }
             av_log(s->avctx, AV_LOG_DEBUG,
                    "Output frame with POC %d.\n", frame->poc);
             return 1;