* 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
*/
AVCodecContext *avctx;
AVFrame frame;
uint8_t *dst;
+ uint32_t pal[256];
} BFIContext;
static av_cold int bfi_decode_init(AVCodecContext *avctx)
{
BFIContext *bfi = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8;
+ avcodec_get_frame_defaults(&bfi->frame);
bfi->dst = av_mallocz(avctx->width * avctx->height);
return 0;
}
static int bfi_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame, AVPacket *avpkt)
{
GetByteContext g;
int buf_size = avpkt->size;
if (bfi->frame.data[0])
avctx->release_buffer(avctx, &bfi->frame);
- bfi->frame.reference = 1;
+ bfi->frame.reference = 3;
if (ff_get_buffer(avctx, &bfi->frame) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
pal = (uint32_t *)bfi->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, bfi->frame.data[1], sizeof(bfi->pal));
bfi->frame.palette_has_changed = 1;
} else {
bfi->frame.pict_type = AV_PICTURE_TYPE_P;
bfi->frame.key_frame = 0;
+ bfi->frame.palette_has_changed = 0;
+ memcpy(bfi->frame.data[1], bfi->pal, sizeof(bfi->pal));
}
bytestream2_skip(&g, 4); // Unpacked size, not required.
src += avctx->width;
dst += bfi->frame.linesize[0];
}
- *data_size = sizeof(AVFrame);
+ *got_frame = 1;
*(AVFrame *)data = bfi->frame;
return buf_size;
}