X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Floco.c;h=919a06b123ab02ee1657a0f61df011ca81a82f14;hb=37c0dc626d2f8254ef623d987eb5077f9120755f;hp=14be6f0192029ba44f0310d989f935a3603f60fc;hpb=7993df65275a9a9bf0a04c37d1aa31901d3ebb0c;p=ffmpeg diff --git a/libavcodec/loco.c b/libavcodec/loco.c index 14be6f01920..919a06b123a 100644 --- a/libavcodec/loco.c +++ b/libavcodec/loco.c @@ -2,31 +2,32 @@ * LOCO codec * Copyright (c) 2005 Konstantin Shishkov * - * 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 loco.c + * @file * LOCO codec. */ #include "avcodec.h" -#include "bitstream.h" +#include "get_bits.h" #include "golomb.h" +#include "mathops.h" enum LOCO_MODE {LOCO_UNKN=0, LOCO_CYUY2=-1, LOCO_CRGB=-2, LOCO_CRGBA=-3, LOCO_CYV12=-4, LOCO_YUY2=1, LOCO_UYVY=2, LOCO_RGB=3, LOCO_RGBA=4, LOCO_YV12=5}; @@ -152,13 +153,15 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh data += stride; } - return ((get_bits_count(&rc.gb) + 7) >> 3); + return (get_bits_count(&rc.gb) + 7) >> 3; } static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, - const uint8_t *buf, int buf_size) + AVPacket *avpkt) { + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; LOCOContext * const l = avctx->priv_data; AVFrame * const p= (AVFrame*)&l->pic; int decoded; @@ -225,7 +228,7 @@ static int decode_frame(AVCodecContext *avctx, return buf_size; } -static int decode_init(AVCodecContext *avctx){ +static av_cold int decode_init(AVCodecContext *avctx){ LOCOContext * const l = avctx->priv_data; int version; @@ -245,7 +248,7 @@ static int decode_init(AVCodecContext *avctx){ break; default: l->lossy = AV_RL32(avctx->extradata + 8); - av_log(avctx, AV_LOG_INFO, "This is LOCO codec version %i, please upload file for study\n", version); + av_log_ask_for_sample(avctx, "This is LOCO codec version %i.\n", version); } l->mode = AV_RL32(avctx->extradata + 4); @@ -272,14 +275,24 @@ static int decode_init(AVCodecContext *avctx){ return 0; } -AVCodec loco_decoder = { - "loco", - CODEC_TYPE_VIDEO, - CODEC_ID_LOCO, - sizeof(LOCOContext), - decode_init, - NULL, - NULL, - decode_frame, - CODEC_CAP_DR1, +static av_cold int decode_end(AVCodecContext *avctx){ + LOCOContext * const l = avctx->priv_data; + AVFrame *pic = &l->pic; + + if (pic->data[0]) + avctx->release_buffer(avctx, pic); + + return 0; +} + +AVCodec ff_loco_decoder = { + .name = "loco", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_LOCO, + .priv_data_size = sizeof(LOCOContext), + .init = decode_init, + .close = decode_end, + .decode = decode_frame, + .capabilities = CODEC_CAP_DR1, + .long_name = NULL_IF_CONFIG_SMALL("LOCO"), };