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-rw-r--r--libavcodec/mmvideo.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c
index 784b939..c61cd57 100644
--- a/libavcodec/mmvideo.c
+++ b/libavcodec/mmvideo.c
@@ -2,20 +2,20 @@
* American Laser Games MM Video Decoder
* Copyright (c) 2006,2008 Peter Ross
*
- * 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
*/
@@ -60,7 +60,8 @@ static av_cold int mm_decode_init(AVCodecContext *avctx)
avctx->pix_fmt = AV_PIX_FMT_PAL8;
- s->frame.reference = 1;
+ avcodec_get_frame_defaults(&s->frame);
+ s->frame.reference = 3;
return 0;
}
@@ -71,7 +72,7 @@ static int mm_decode_pal(MmContext *s)
bytestream2_skip(&s->gb, 4);
for (i = 0; i < 128; i++) {
- s->palette[i] = bytestream2_get_be24(&s->gb);
+ s->palette[i] = 0xFFU << 24 | bytestream2_get_be24(&s->gb);
s->palette[i+128] = s->palette[i]<<2;
}
@@ -119,13 +120,13 @@ static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert)
return 0;
}
-/*
+/**
* @param half_horiz Half horizontal resolution (0 or 1)
* @param half_vert Half vertical resolution (0 or 1)
*/
static int mm_decode_inter(MmContext * s, int half_horiz, int half_vert)
{
- int data_off = bytestream2_get_le16(&s->gb), y;
+ int data_off = bytestream2_get_le16(&s->gb), y = 0;
GetByteContext data_ptr;
if (bytestream2_get_bytes_left(&s->gb) < data_off)
@@ -187,13 +188,13 @@ static int mm_decode_frame(AVCodecContext *avctx,
buf_size -= MM_PREAMBLE_SIZE;
bytestream2_init(&s->gb, buf, buf_size);
- if (avctx->reget_buffer(avctx, &s->frame) < 0) {
+ if ((res = avctx->reget_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
+ return res;
}
switch(type) {
- case MM_TYPE_PALETTE : res = mm_decode_pal(s); return buf_size;
+ case MM_TYPE_PALETTE : res = mm_decode_pal(s); return avpkt->size;
case MM_TYPE_INTRA : res = mm_decode_intra(s, 0, 0); break;
case MM_TYPE_INTRA_HH : res = mm_decode_intra(s, 1, 0); break;
case MM_TYPE_INTRA_HHV : res = mm_decode_intra(s, 1, 1); break;
@@ -212,7 +213,7 @@ static int mm_decode_frame(AVCodecContext *avctx,
*got_frame = 1;
*(AVFrame*)data = s->frame;
- return buf_size;
+ return avpkt->size;
}
static av_cold int mm_decode_end(AVCodecContext *avctx)
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