X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fpngdec.c;h=7477f6746bbf8f900b236f52cf4ca6a91d5ab06f;hb=921715edffbba5db8deb26b7ad3cb583ba963d03;hp=eb8989f1603e3e3e23a79c9f2cafbaa386e1a91f;hpb=e16f217ceb95395669abe3cea18737e92fb78c82;p=ffmpeg diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index eb8989f1603..7477f6746bb 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -2,23 +2,23 @@ * PNG image format * Copyright (c) 2003 Fabrice Bellard * - * 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 */ -#include "libavcore/imgutils.h" +#include "libavutil/imgutils.h" #include "avcodec.h" #include "bytestream.h" #include "png.h" @@ -397,7 +397,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *p; uint8_t *crow_buf_base = NULL; uint32_t tag, length; - int ret, crc; + int ret; FFSWAP(AVFrame *, s->current_picture, s->last_picture); avctx->coded_frame= s->current_picture; @@ -431,7 +431,7 @@ static int decode_frame(AVCodecContext *avctx, goto fail; tag32 = bytestream_get_be32(&s->bytestream); tag = av_bswap32(tag32); - dprintf(avctx, "png: tag=%c%c%c%c length=%u\n", + av_dlog(avctx, "png: tag=%c%c%c%c length=%u\n", (tag & 0xff), ((tag >> 8) & 0xff), ((tag >> 16) & 0xff), @@ -451,9 +451,9 @@ static int decode_frame(AVCodecContext *avctx, s->compression_type = *s->bytestream++; s->filter_type = *s->bytestream++; s->interlace_type = *s->bytestream++; - crc = bytestream_get_be32(&s->bytestream); + s->bytestream += 4; /* crc */ s->state |= PNG_IHDR; - dprintf(avctx, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\n", + av_dlog(avctx, "width=%d height=%d depth=%d color_type=%d compression_type=%d filter_type=%d interlace_type=%d\n", s->width, s->height, s->bit_depth, s->color_type, s->compression_type, s->filter_type, s->interlace_type); break; @@ -503,7 +503,7 @@ static int decode_frame(AVCodecContext *avctx, av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); goto fail; } - p->pict_type= FF_I_TYPE; + p->pict_type= AV_PICTURE_TYPE_I; p->key_frame= 1; p->interlaced_frame = !!s->interlace_type; @@ -517,7 +517,7 @@ static int decode_frame(AVCodecContext *avctx, s->width); s->crow_size = s->pass_row_size + 1; } - dprintf(avctx, "row_size=%d crow_size =%d\n", + av_dlog(avctx, "row_size=%d crow_size =%d\n", s->row_size, s->crow_size); s->image_buf = p->data[0]; s->image_linesize = p->linesize[0]; @@ -547,8 +547,7 @@ static int decode_frame(AVCodecContext *avctx, s->state |= PNG_IDAT; if (png_decode_idat(s, length) < 0) goto fail; - /* skip crc */ - crc = bytestream_get_be32(&s->bytestream); + s->bytestream += 4; /* crc */ break; case MKTAG('P', 'L', 'T', 'E'): { @@ -568,7 +567,7 @@ static int decode_frame(AVCodecContext *avctx, s->palette[i] = (0xff << 24); } s->state |= PNG_PLTE; - crc = bytestream_get_be32(&s->bytestream); + s->bytestream += 4; /* crc */ } break; case MKTAG('t', 'R', 'N', 'S'): @@ -584,13 +583,13 @@ static int decode_frame(AVCodecContext *avctx, v = *s->bytestream++; s->palette[i] = (s->palette[i] & 0x00ffffff) | (v << 24); } - crc = bytestream_get_be32(&s->bytestream); + s->bytestream += 4; /* crc */ } break; case MKTAG('I', 'E', 'N', 'D'): if (!(s->state & PNG_ALLIMAGE)) goto fail; - crc = bytestream_get_be32(&s->bytestream); + s->bytestream += 4; /* crc */ goto exit_loop; default: /* skip tag */ @@ -657,7 +656,7 @@ static av_cold int png_dec_end(AVCodecContext *avctx) return 0; } -AVCodec png_decoder = { +AVCodec ff_png_decoder = { "png", AVMEDIA_TYPE_VIDEO, CODEC_ID_PNG,