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-rw-r--r--libavcodec/interplayvideo.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
index bee7a68e52..76adad9156 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
*/
@@ -72,10 +72,10 @@ 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 -1;
} 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 -1;
}
@@ -118,7 +118,7 @@ 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);
}
@@ -144,7 +144,7 @@ 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);
}
@@ -165,7 +165,7 @@ 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);
}
@@ -178,14 +178,14 @@ 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;
@@ -528,7 +528,7 @@ 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);
}
@@ -884,7 +884,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s)
static int frame = 0;
GetBitContext gb;
- av_dlog(NULL, "------------------ frame %d\n", frame);
+ av_dlog(s->avctx, "frame %d\n", frame);
frame++;
bytestream2_skip(&s->stream_ptr, 14); /* data starts 14 bytes in */
@@ -921,7 +921,7 @@ 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",
frame, x, y);
return;
}
@@ -929,7 +929,7 @@ 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));
}
}
@@ -945,6 +945,10 @@ 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;
@@ -973,7 +977,7 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
s->current_frame.reference = 3;
if (avctx->get_buffer(avctx, &s->current_frame)) {
- av_log(avctx, AV_LOG_ERROR, " Interplay Video: get_buffer() failed\n");
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}