X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmsrle.c;h=41f1fd8ebd19bd7ddcd6810779ad35328c55cf5a;hb=cdfe94c5ab1df40c6c724df5d4cafe2539c5571a;hp=f1fa8f54ffdda803a7578622d3c49697338abd58;hpb=d36beb3f6902b1217beda576aa18abf7eb72b03c;p=ffmpeg diff --git a/libavcodec/msrle.c b/libavcodec/msrle.c index f1fa8f54ffd..41f1fd8ebd1 100644 --- a/libavcodec/msrle.c +++ b/libavcodec/msrle.c @@ -1,34 +1,31 @@ /* - * Micrsoft RLE Video Decoder + * Microsoft RLE video decoder * Copyright (C) 2003 the ffmpeg project * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file - * MS RLE Video Decoder by Mike Melanson (melanson@pcisys.net) + * MS RLE video decoder by Mike Melanson (melanson@pcisys.net) * For more information about the MS RLE format, visit: * http://www.pcisys.net/~melanson/codecs/ * * The MS RLE decoder outputs PAL8 colorspace data. - * - * Note that this decoder expects the palette colors from the end of the - * BITMAPINFO header passed through palctrl. */ #include @@ -46,6 +43,7 @@ typedef struct MsrleContext { const unsigned char *buf; int size; + uint32_t pal[256]; } MsrleContext; static av_cold int msrle_decode_init(AVCodecContext *avctx) @@ -91,13 +89,16 @@ static int msrle_decode_frame(AVCodecContext *avctx, return -1; } - if (s->avctx->palctrl) { - /* make the palette available */ - memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE); - if (s->avctx->palctrl->palette_changed) { + if (avctx->bits_per_coded_sample <= 8) { + const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); + + if (pal) { s->frame.palette_has_changed = 1; - s->avctx->palctrl->palette_changed = 0; + memcpy(s->pal, pal, AVPALETTE_SIZE); } + + /* make the palette available */ + memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE); } /* FIXME how to correctly detect RLE ??? */ @@ -144,14 +145,13 @@ static av_cold int msrle_decode_end(AVCodecContext *avctx) } AVCodec ff_msrle_decoder = { - "msrle", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_MSRLE, - sizeof(MsrleContext), - msrle_decode_init, - NULL, - msrle_decode_end, - msrle_decode_frame, - CODEC_CAP_DR1, + .name = "msrle", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_MSRLE, + .priv_data_size = sizeof(MsrleContext), + .init = msrle_decode_init, + .close = msrle_decode_end, + .decode = msrle_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name= NULL_IF_CONFIG_SMALL("Microsoft RLE"), };