Merge commit 'c9a39cec70603f662f4c326b21b11c4f0112079a'

[ffmpeg] / libavcodec / msmpeg4.c

diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index c4ef22e74c044309a8c466b1469f4539154444c5..917d04a90604b3bd34d77de25e3cd9b2df106e6f 100644 (file)
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -5,20 +5,20 @@
  *
  * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -409,6 +409,7 @@ static int msmpeg4v2_decode_motion(MpegEncContext * s, int pred, int f_code)
 static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 {
     int cbp, code, i;
+    uint32_t * const mb_type_ptr = &s->current_picture.f.mb_type[s->mb_x + s->mb_y*s->mb_stride];
 
     if (s->pict_type == AV_PICTURE_TYPE_P) {
         if (s->use_skip_mb_code) {
@@ -422,6 +423,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
                 s->mv[0][0][0] = 0;
                 s->mv[0][0][1] = 0;
                 s->mb_skipped = 1;
+                *mb_type_ptr = MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
                 return 0;
             }
         }
@@ -470,6 +472,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         s->mv_type = MV_TYPE_16X16;
         s->mv[0][0][0] = mx;
         s->mv[0][0][1] = my;
+        *mb_type_ptr = MB_TYPE_L0 | MB_TYPE_16x16;
     } else {
         if(s->msmpeg4_version==2){
             s->ac_pred = get_bits1(&s->gb);
@@ -479,6 +482,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             cbp|= get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1)<<2; //FIXME check errors
             if(s->pict_type==AV_PICTURE_TYPE_P) cbp^=0x3C;
         }
+        *mb_type_ptr = MB_TYPE_INTRA;
     }
 
     s->dsp.clear_blocks(s->block[0]);
@@ -1138,7 +1142,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
             i-= 192;
             if(i&(~63)){
                 const int left= get_bits_left(&s->gb);
-                if(((i+192 == 64 && level/qmul==-1) || !(s->err_recognition&AV_EF_BITSTREAM)) && left>=0){
+                if(((i+192 == 64 && level/qmul==-1) || !(s->err_recognition&(AV_EF_BITSTREAM|AV_EF_COMPLIANT))) && left>=0){
                     av_log(s->avctx, AV_LOG_ERROR, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y);
                     break;
                 }else{
@@ -1216,6 +1220,7 @@ AVCodec ff_msmpeg4v1_decoder = {
     .close          = ff_h263_decode_end,
     .decode         = ff_h263_decode_frame,
     .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+    .max_lowres     = 3,
     .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
     .pix_fmts       = ff_pixfmt_list_420,
 };
@@ -1229,6 +1234,7 @@ AVCodec ff_msmpeg4v2_decoder = {
     .close          = ff_h263_decode_end,
     .decode         = ff_h263_decode_frame,
     .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+    .max_lowres     = 3,
     .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
     .pix_fmts       = ff_pixfmt_list_420,
 };
@@ -1242,6 +1248,7 @@ AVCodec ff_msmpeg4v3_decoder = {
     .close          = ff_h263_decode_end,
     .decode         = ff_h263_decode_frame,
     .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+    .max_lowres     = 3,
     .long_name      = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
     .pix_fmts       = ff_pixfmt_list_420,
 };
@@ -1255,6 +1262,7 @@ AVCodec ff_wmv1_decoder = {
     .close          = ff_h263_decode_end,
     .decode         = ff_h263_decode_frame,
     .capabilities   = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+    .max_lowres     = 3,
     .long_name      = NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
     .pix_fmts       = ff_pixfmt_list_420,
 };