X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fimg2.c;h=ec32f863e8d2c48833061b6750de6e48be12bbe8;hb=3f2eadf4fe7e91e467501fa7108d2bf49f8c1ae1;hp=21bfb57da3f7158cde8e4dde751a9f39e0c4e1da;hpb=d2a067d1d9011bf1015fd23efcbfb20cd4f79e1a;p=ffmpeg diff --git a/libavformat/img2.c b/libavformat/img2.c index 21bfb57da3f..ec32f863e8d 100644 --- a/libavformat/img2.c +++ b/libavformat/img2.c @@ -1,26 +1,29 @@ /* * Image format - * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard * Copyright (c) 2004 Michael Niedermayer * - * This library is free software; you can redistribute it and/or + * This file is part of FFmpeg. + * + * 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 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * - * This library 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 this library; 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 */ -#include "avformat.h" -/* XXX: this is a hack */ -extern int loop_input; +#include "libavutil/intreadwrite.h" +#include "libavutil/avstring.h" +#include "avformat.h" +#include typedef struct { int img_first; @@ -41,7 +44,9 @@ static const IdStrMap img_tags[] = { { CODEC_ID_MJPEG , "jpg"}, { CODEC_ID_LJPEG , "ljpg"}, { CODEC_ID_PNG , "png"}, + { CODEC_ID_PNG , "mng"}, { CODEC_ID_PPM , "ppm"}, + { CODEC_ID_PPM , "pnm"}, { CODEC_ID_PGM , "pgm"}, { CODEC_ID_PGMYUV , "pgmyuv"}, { CODEC_ID_PBM , "pbm"}, @@ -52,10 +57,26 @@ static const IdStrMap img_tags[] = { { CODEC_ID_FFV1 , "ffv1-img"}, { CODEC_ID_RAWVIDEO , "y"}, { CODEC_ID_BMP , "bmp"}, - {0, NULL} + { CODEC_ID_GIF , "gif"}, + { CODEC_ID_TARGA , "tga"}, + { CODEC_ID_TIFF , "tiff"}, + { CODEC_ID_TIFF , "tif"}, + { CODEC_ID_SGI , "sgi"}, + { CODEC_ID_PTX , "ptx"}, + { CODEC_ID_PCX , "pcx"}, + { CODEC_ID_SUNRAST , "sun"}, + { CODEC_ID_SUNRAST , "ras"}, + { CODEC_ID_SUNRAST , "rs"}, + { CODEC_ID_SUNRAST , "im1"}, + { CODEC_ID_SUNRAST , "im8"}, + { CODEC_ID_SUNRAST , "im24"}, + { CODEC_ID_SUNRAST , "sunras"}, + { CODEC_ID_JPEG2000 , "jp2"}, + { CODEC_ID_DPX , "dpx"}, + { CODEC_ID_NONE , NULL} }; -static int sizes[][2] = { +static const int sizes[][2] = { { 640, 480 }, { 720, 480 }, { 720, 576 }, @@ -71,7 +92,7 @@ static int infer_size(int *width_ptr, int *height_ptr, int size) { int i; - for(i=0;iid) { - int i; - for(i=0; toupper(tags->str[i]) == toupper(str[i]); i++){ - if(tags->str[i]==0 && str[i]==0) - return tags->id; - } + if (!strcasecmp(str, tags->str)) + return tags->id; tags++; } @@ -107,7 +125,7 @@ static int find_image_range(int *pfirst_index, int *plast_index, /* find the first image */ for(first_index = 0; first_index < 5; first_index++) { - if (get_frame_filename(buf, sizeof(buf), path, first_index) < 0){ + if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0){ *pfirst_index = *plast_index = 1; return 0; @@ -127,8 +145,8 @@ static int find_image_range(int *pfirst_index, int *plast_index, range1 = 1; else range1 = 2 * range; - if (get_frame_filename(buf, sizeof(buf), path, - last_index + range1) < 0) + if (av_get_frame_filename(buf, sizeof(buf), path, + last_index + range1) < 0) goto fail; if (!url_exist(buf)) break; @@ -152,10 +170,13 @@ static int find_image_range(int *pfirst_index, int *plast_index, static int image_probe(AVProbeData *p) { - if (filename_number_test(p->filename) >= 0 && av_str2id(img_tags, p->filename)) - return AVPROBE_SCORE_MAX; - else - return 0; + if (p->filename && av_str2id(img_tags, p->filename)) { + if (av_filename_number_test(p->filename)) + return AVPROBE_SCORE_MAX; + else + return AVPROBE_SCORE_MAX/2; + } + return 0; } enum CodecID av_guess_image2_codec(const char *filename){ @@ -172,10 +193,10 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap) st = av_new_stream(s1, 0); if (!st) { - return -ENOMEM; + return AVERROR(ENOMEM); } - pstrcpy(s->path, sizeof(s->path), s1->filename); + av_strlcpy(s->path, s1->filename, sizeof(s->path)); s->img_number = 0; s->img_count = 0; @@ -184,7 +205,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap) s->is_pipe = 0; else{ s->is_pipe = 1; - st->need_parsing= 1; + st->need_parsing = AVSTREAM_PARSE_FULL; } if (!ap->time_base.num) { @@ -200,7 +221,7 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap) if (!s->is_pipe) { if (find_image_range(&first_index, &last_index, s->path) < 0) - return AVERROR_IO; + return AVERROR(EIO); s->img_first = first_index; s->img_last = last_index; s->img_number = first_index; @@ -231,20 +252,22 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt) char filename[1024]; int i; int size[3]={0}, ret[3]={0}; - ByteIOContext f1[3], *f[3]= {&f1[0], &f1[1], &f1[2]}; + ByteIOContext *f[3]; AVCodecContext *codec= s1->streams[0]->codec; if (!s->is_pipe) { /* loop over input */ - if (loop_input && s->img_number > s->img_last) { + if (s1->loop_input && s->img_number > s->img_last) { s->img_number = s->img_first; } - if (get_frame_filename(filename, sizeof(filename), - s->path, s->img_number)<0 && s->img_number > 1) - return AVERROR_IO; + if (av_get_frame_filename(filename, sizeof(filename), + s->path, s->img_number)<0 && s->img_number > 1) + return AVERROR(EIO); for(i=0; i<3; i++){ - if (url_fopen(f[i], filename, URL_RDONLY) < 0) - return AVERROR_IO; + if (url_fopen(&f[i], filename, URL_RDONLY) < 0) { + av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",filename); + return AVERROR(EIO); + } size[i]= url_fsize(f[i]); if(codec->codec_id != CODEC_ID_RAWVIDEO) @@ -255,9 +278,9 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt) if(codec->codec_id == CODEC_ID_RAWVIDEO && !codec->width) infer_size(&codec->width, &codec->height, size[0]); } else { - f[0] = &s1->pb; + f[0] = s1->pb; if (url_feof(f[0])) - return AVERROR_IO; + return AVERROR(EIO); size[0]= 4096; } @@ -278,7 +301,7 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt) if (ret[0] <= 0 || ret[1]<0 || ret[2]<0) { av_free_packet(pkt); - return AVERROR_IO; /* signal EOF */ + return AVERROR(EIO); /* signal EOF */ } else { s->img_count++; s->img_number++; @@ -286,12 +309,7 @@ static int img_read_packet(AVFormatContext *s1, AVPacket *pkt) } } -static int img_read_close(AVFormatContext *s1) -{ - return 0; -} - -#ifdef CONFIG_MUXERS +#if CONFIG_IMAGE2_MUXER || CONFIG_IMAGE2PIPE_MUXER /******************************************************/ /* image output */ @@ -300,7 +318,7 @@ static int img_write_header(AVFormatContext *s) VideoData *img = s->priv_data; img->img_number = 1; - pstrcpy(img->path, sizeof(img->path), s->filename); + av_strlcpy(img->path, s->filename, sizeof(img->path)); /* find format */ if (s->oformat->flags & AVFMT_NOFILE) @@ -314,25 +332,27 @@ static int img_write_header(AVFormatContext *s) static int img_write_packet(AVFormatContext *s, AVPacket *pkt) { VideoData *img = s->priv_data; - ByteIOContext pb1[3], *pb[3]= {&pb1[0], &pb1[1], &pb1[2]}; + ByteIOContext *pb[3]; char filename[1024]; AVCodecContext *codec= s->streams[ pkt->stream_index ]->codec; int i; if (!img->is_pipe) { - if (get_frame_filename(filename, sizeof(filename), - img->path, img->img_number) < 0 && img->img_number>1) - return AVERROR_IO; + if (av_get_frame_filename(filename, sizeof(filename), + img->path, img->img_number) < 0 && img->img_number>1) + return AVERROR(EIO); for(i=0; i<3; i++){ - if (url_fopen(pb[i], filename, URL_WRONLY) < 0) - return AVERROR_IO; + if (url_fopen(&pb[i], filename, URL_WRONLY) < 0) { + av_log(s, AV_LOG_ERROR, "Could not open file : %s\n",filename); + return AVERROR(EIO); + } if(codec->codec_id != CODEC_ID_RAWVIDEO) break; filename[ strlen(filename) - 1 ]= 'U' + i; } } else { - pb[0] = &s->pb; + pb[0] = s->pb; } if(codec->codec_id == CODEC_ID_RAWVIDEO){ @@ -345,6 +365,29 @@ static int img_write_packet(AVFormatContext *s, AVPacket *pkt) url_fclose(pb[1]); url_fclose(pb[2]); }else{ + if(av_str2id(img_tags, s->filename) == CODEC_ID_JPEG2000){ + AVStream *st = s->streams[0]; + if(st->codec->extradata_size > 8 && + AV_RL32(st->codec->extradata+4) == MKTAG('j','p','2','h')){ + if(pkt->size < 8 || AV_RL32(pkt->data+4) != MKTAG('j','p','2','c')) + goto error; + put_be32(pb[0], 12); + put_tag (pb[0], "jP "); + put_be32(pb[0], 0x0D0A870A); // signature + put_be32(pb[0], 20); + put_tag (pb[0], "ftyp"); + put_tag (pb[0], "jp2 "); + put_be32(pb[0], 0); + put_tag (pb[0], "jp2 "); + put_buffer(pb[0], st->codec->extradata, st->codec->extradata_size); + }else if(pkt->size < 8 || + (!st->codec->extradata_size && + AV_RL32(pkt->data+4) != MKTAG('j','P',' ',' '))){ // signature + error: + av_log(s, AV_LOG_ERROR, "malformated jpeg2000 codestream\n"); + return -1; + } + } put_buffer(pb[0], pkt->data, pkt->size); } put_flush_packet(pb[0]); @@ -356,60 +399,54 @@ static int img_write_packet(AVFormatContext *s, AVPacket *pkt) return 0; } -static int img_write_trailer(AVFormatContext *s) -{ - return 0; -} - -#endif /* CONFIG_MUXERS */ +#endif /* CONFIG_IMAGE2_MUXER || CONFIG_IMAGE2PIPE_MUXER */ /* input */ - -static AVInputFormat image2_demuxer = { +#if CONFIG_IMAGE2_DEMUXER +AVInputFormat image2_demuxer = { "image2", - "image2 sequence", + NULL_IF_CONFIG_SMALL("image2 sequence"), sizeof(VideoData), image_probe, img_read_header, img_read_packet, - img_read_close, + NULL, NULL, NULL, AVFMT_NOFILE, }; - -static AVInputFormat image2pipe_demuxer = { +#endif +#if CONFIG_IMAGE2PIPE_DEMUXER +AVInputFormat image2pipe_demuxer = { "image2pipe", - "piped image2 sequence", + NULL_IF_CONFIG_SMALL("piped image2 sequence"), sizeof(VideoData), NULL, /* no probe */ img_read_header, img_read_packet, - img_read_close, - NULL, }; +#endif - -#ifdef CONFIG_MUXERS /* output */ - -static AVOutputFormat image2_muxer = { +#if CONFIG_IMAGE2_MUXER +AVOutputFormat image2_muxer = { "image2", - "image2 sequence", - "", + NULL_IF_CONFIG_SMALL("image2 sequence"), "", + "bmp,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,ppm,sgi,tif,tiff,jp2", sizeof(VideoData), CODEC_ID_NONE, CODEC_ID_MJPEG, img_write_header, img_write_packet, - img_write_trailer, - AVFMT_NOFILE, + NULL, + .flags= AVFMT_NOTIMESTAMPS | AVFMT_NOFILE }; - -static AVOutputFormat image2pipe_muxer = { +#endif +#if CONFIG_IMAGE2PIPE_MUXER +AVOutputFormat image2pipe_muxer = { "image2pipe", - "piped image2 sequence", + NULL_IF_CONFIG_SMALL("piped image2 sequence"), "", "", sizeof(VideoData), @@ -417,19 +454,6 @@ static AVOutputFormat image2pipe_muxer = { CODEC_ID_MJPEG, img_write_header, img_write_packet, - img_write_trailer, + .flags= AVFMT_NOTIMESTAMPS }; -#endif /* CONFIG_MUXERS */ - -int img2_init(void) -{ - av_register_input_format(&image2_demuxer); - av_register_input_format(&image2pipe_demuxer); - -#ifdef CONFIG_MUXERS - av_register_output_format(&image2_muxer); - av_register_output_format(&image2pipe_muxer); #endif - - return 0; -}