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-rw-r--r--libavcodec/bfi.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/libavcodec/bfi.c b/libavcodec/bfi.c
index 75b6710..77bca49 100644
--- a/libavcodec/bfi.c
+++ b/libavcodec/bfi.c
@@ -2,20 +2,20 @@
* Brute Force & Ignorance (BFI) video decoder
* Copyright (c) 2008 Sisir Koppaka
*
- * 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
*/
@@ -34,6 +34,7 @@
typedef struct BFIContext {
AVCodecContext *avctx;
uint8_t *dst;
+ uint32_t pal[256];
} BFIContext;
static av_cold int bfi_decode_init(AVCodecContext *avctx)
@@ -41,6 +42,8 @@ static av_cold int bfi_decode_init(AVCodecContext *avctx)
BFIContext *bfi = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
bfi->dst = av_mallocz(avctx->width * avctx->height);
+ if (!bfi->dst)
+ return AVERROR(ENOMEM);
return 0;
}
@@ -57,10 +60,8 @@ static int bfi_decode_frame(AVCodecContext *avctx, void *data,
uint32_t *pal;
int i, j, ret, height = avctx->height;
- if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- }
bytestream2_init(&g, avpkt->data, buf_size);
@@ -76,16 +77,19 @@ static int bfi_decode_frame(AVCodecContext *avctx, void *data,
pal = (uint32_t *)frame->data[1];
for (i = 0; i < avctx->extradata_size / 3; i++) {
int shift = 16;
- *pal = 0;
+ *pal = 0xFFU << 24;
for (j = 0; j < 3; j++, shift -= 8)
*pal += ((avctx->extradata[i * 3 + j] << 2) |
(avctx->extradata[i * 3 + j] >> 4)) << shift;
pal++;
}
+ memcpy(bfi->pal, frame->data[1], sizeof(bfi->pal));
frame->palette_has_changed = 1;
} else {
frame->pict_type = AV_PICTURE_TYPE_P;
frame->key_frame = 0;
+ frame->palette_has_changed = 0;
+ memcpy(frame->data[1], bfi->pal, sizeof(bfi->pal));
}
bytestream2_skip(&g, 4); // Unpacked size, not required.
@@ -167,7 +171,7 @@ static int bfi_decode_frame(AVCodecContext *avctx, void *data,
static av_cold int bfi_decode_close(AVCodecContext *avctx)
{
BFIContext *bfi = avctx->priv_data;
- av_free(bfi->dst);
+ av_freep(&bfi->dst);
return 0;
}
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