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, 4 insertions, 2 deletions

diff --git a/libavcodec/hevc_parser.c b/libavcodec/hevc_parser.c
index 2b58eb62fe..dc63c6b954 100644
--- a/libavcodec/hevc_parser.c
+++ b/libavcodec/hevc_parser.c
@@ -57,6 +57,7 @@ static int hevc_parse_slice_header(AVCodecParserContext *s, H2645NAL *nal,
     HEVCSEIContext *sei = &ctx->sei;
     SliceHeader *sh = &ctx->sh;
     GetBitContext *gb = &nal->gb;
+    const HEVCWindow *ow;
     int i, num = 0, den = 0;
 
     sh->first_slice_in_pic_flag = get_bits1(gb);
@@ -83,11 +84,12 @@ static int hevc_parse_slice_header(AVCodecParserContext *s, H2645NAL *nal,
         ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data;
         ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data;
     }
+    ow  = &ps->sps->output_window;
 
     s->coded_width  = ps->sps->width;
     s->coded_height = ps->sps->height;
-    s->width        = ps->sps->output_width;
-    s->height       = ps->sps->output_height;
+    s->width        = ps->sps->width  - ow->left_offset - ow->right_offset;
+    s->height       = ps->sps->height - ow->top_offset  - ow->bottom_offset;
     s->format       = ps->sps->pix_fmt;
     avctx->profile  = ps->sps->ptl.general_ptl.profile_idc;
     avctx->level    = ps->sps->ptl.general_ptl.level_idc;