1 files changed, 19 insertions, 15 deletions

diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
index 76e7d0fe41..3285578a70 100644
--- a/libavcodec/interplayvideo.c
+++ b/libavcodec/interplayvideo.c
@@ -2,20 +2,20 @@
  * Interplay MVE Video Decoder
  * Copyright (C) 2003 the ffmpeg project
  *
- * 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
  */
 
@@ -73,10 +73,10 @@ static int copy_from(IpvideoContext *s, AVFrame *src, int delta_x, int delta_y)
     int motion_offset = current_offset + delta_y * s->current_frame.linesize[0]
                        + delta_x * (1 + s->is_16bpp);
     if (motion_offset < 0) {
-        av_log(s->avctx, AV_LOG_ERROR, " Interplay video: motion offset < 0 (%d)\n", motion_offset);
+        av_log(s->avctx, AV_LOG_ERROR, "motion offset < 0 (%d)\n", motion_offset);
         return AVERROR_INVALIDDATA;
     } else if (motion_offset > s->upper_motion_limit_offset) {
-        av_log(s->avctx, AV_LOG_ERROR, " Interplay video: motion offset above limit (%d >= %d)\n",
+        av_log(s->avctx, AV_LOG_ERROR, "motion offset above limit (%d >= %d)\n",
             motion_offset, s->upper_motion_limit_offset);
         return AVERROR_INVALIDDATA;
     }
@@ -119,7 +119,7 @@ static int ipvideo_decode_block_opcode_0x2(IpvideoContext *s)
         y =   8 + ((B - 56) / 29);
     }
 
-    av_dlog(NULL, "    motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
+    av_dlog(s->avctx, "motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
     return copy_from(s, &s->second_last_frame, x, y);
 }
 
@@ -145,7 +145,7 @@ static int ipvideo_decode_block_opcode_0x3(IpvideoContext *s)
         y = -(  8 + ((B - 56) / 29));
     }
 
-    av_dlog(NULL, "    motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
+    av_dlog(s->avctx, "motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
     return copy_from(s, &s->current_frame, x, y);
 }
 
@@ -166,7 +166,7 @@ static int ipvideo_decode_block_opcode_0x4(IpvideoContext *s)
     x = -8 + BL;
     y = -8 + BH;
 
-    av_dlog(NULL, "    motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
+    av_dlog(s->avctx, "motion byte = %d, (x, y) = (%d, %d)\n", B, x, y);
     return copy_from(s, &s->last_frame, x, y);
 }
 
@@ -179,14 +179,14 @@ static int ipvideo_decode_block_opcode_0x5(IpvideoContext *s)
     x = bytestream2_get_byte(&s->stream_ptr);
     y = bytestream2_get_byte(&s->stream_ptr);
 
-    av_dlog(NULL, "    motion bytes = %d, %d\n", x, y);
+    av_dlog(s->avctx, "motion bytes = %d, %d\n", x, y);
     return copy_from(s, &s->last_frame, x, y);
 }
 
 static int ipvideo_decode_block_opcode_0x6(IpvideoContext *s)
 {
     /* mystery opcode? skip multiple blocks? */
-    av_log(s->avctx, AV_LOG_ERROR, "  Interplay video: Help! Mystery opcode 0x6 seen\n");
+    av_log(s->avctx, AV_LOG_ERROR, "Help! Mystery opcode 0x6 seen\n");
 
     /* report success */
     return 0;
@@ -529,7 +529,7 @@ static int ipvideo_decode_block_opcode_0x6_16(IpvideoContext *s)
     x = bytestream2_get_byte(&s->stream_ptr);
     y = bytestream2_get_byte(&s->stream_ptr);
 
-    av_dlog(NULL, "    motion bytes = %d, %d\n", x, y);
+    av_dlog(s->avctx, "motion bytes = %d, %d\n", x, y);
     return copy_from(s, &s->second_last_frame, x, y);
 }
 
@@ -918,7 +918,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s)
                 ret = ipvideo_decode_block16[opcode](s);
             }
             if (ret != 0) {
-                av_log(s->avctx, AV_LOG_ERROR, " Interplay video: decode problem on frame %d, @ block (%d, %d)\n",
+                av_log(s->avctx, AV_LOG_ERROR, "decode problem on frame %d, @ block (%d, %d)\n",
                        s->avctx->frame_number, x, y);
                 return;
             }
@@ -926,7 +926,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s)
     }
     if (bytestream2_get_bytes_left(&s->stream_ptr) > 1) {
         av_log(s->avctx, AV_LOG_ERROR,
-               "Interplay video: decode finished with %d bytes left over\n",
+               "decode finished with %d bytes left over\n",
                bytestream2_get_bytes_left(&s->stream_ptr));
     }
 }
@@ -942,6 +942,10 @@ static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
 
     ff_dsputil_init(&s->dsp, avctx);
 
+    avcodec_get_frame_defaults(&s->second_last_frame);
+    avcodec_get_frame_defaults(&s->last_frame);
+    avcodec_get_frame_defaults(&s->current_frame);
+
     s->current_frame.data[0] = s->last_frame.data[0] =
     s->second_last_frame.data[0] = NULL;
 
@@ -971,7 +975,7 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
 
     s->current_frame.reference = 3;
     if ((ret = ff_get_buffer(avctx, &s->current_frame)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "  Interplay Video: get_buffer() failed\n");
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }