X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavformat%2Fimg2.c;h=f15a6da62e1d5294931227cab8edbdfabf4de8eb;hb=c49d0e0fe2d5e06f015cc473cf90232ce0ff0f69;hp=158bf485a12736cfde7d461206bca9941656f777;hpb=b339fb00ba773857b364655d266222e66d196daf;p=ffmpeg diff --git a/libavformat/img2.c b/libavformat/img2.c index 158bf485a12..f15a6da62e1 100644 --- a/libavformat/img2.c +++ b/libavformat/img2.c @@ -3,24 +3,26 @@ * 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 - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * 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/avstring.h" +#include "avformat.h" +#include typedef struct { int img_first; @@ -41,6 +43,7 @@ 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_PGM , "pgm"}, { CODEC_ID_PGMYUV , "pgmyuv"}, @@ -50,9 +53,50 @@ static const IdStrMap img_tags[] = { { CODEC_ID_MPEG2VIDEO, "mpg2-img"}, { CODEC_ID_MPEG4 , "mpg4-img"}, { CODEC_ID_FFV1 , "ffv1-img"}, - {0, NULL} + { CODEC_ID_RAWVIDEO , "y"}, + { CODEC_ID_BMP , "bmp"}, + { 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_NONE , NULL} +}; + +static const int sizes[][2] = { + { 640, 480 }, + { 720, 480 }, + { 720, 576 }, + { 352, 288 }, + { 352, 240 }, + { 160, 128 }, + { 512, 384 }, + { 640, 352 }, + { 640, 240 }, }; +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++; } return CODEC_ID_NONE; } -static const char *av_id2str(const IdStrMap *tags, enum CodecID id) -{ - while (tags->id) { - if(tags->id == id) - return tags->str; - tags++; - } - return NULL; -} - /* return -1 if no image found */ -static int find_image_range(int *pfirst_index, int *plast_index, +static int find_image_range(int *pfirst_index, int *plast_index, const char *path) { char buf[1024]; @@ -90,8 +121,8 @@ 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){ - *pfirst_index = + if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0){ + *pfirst_index = *plast_index = 1; return 0; } @@ -100,7 +131,7 @@ static int find_image_range(int *pfirst_index, int *plast_index, } if (first_index == 5) goto fail; - + /* find the last image */ last_index = first_index; for(;;) { @@ -110,8 +141,8 @@ 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; @@ -135,10 +166,13 @@ 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){ @@ -155,114 +189,121 @@ static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap) st = av_new_stream(s1, 0); if (!st) { - av_free(s); - return -ENOMEM; + return AVERROR(ENOMEM); } - strcpy(s->path, s1->filename); + av_strlcpy(s->path, s1->filename, sizeof(s->path)); s->img_number = 0; s->img_count = 0; - + /* find format */ if (s1->iformat->flags & AVFMT_NOFILE) s->is_pipe = 0; else{ s->is_pipe = 1; - st->need_parsing= 1; + st->need_parsing = AVSTREAM_PARSE_FULL; } - - if (!ap || !ap->frame_rate) { - st->codec.frame_rate = 25; - st->codec.frame_rate_base = 1; + + if (!ap->time_base.num) { + av_set_pts_info(st, 60, 1, 25); } else { - st->codec.frame_rate = ap->frame_rate; - st->codec.frame_rate_base = ap->frame_rate_base; + av_set_pts_info(st, 60, ap->time_base.num, ap->time_base.den); + } + + if(ap->width && ap->height){ + st->codec->width = ap->width; + st->codec->height= ap->height; } - + if (!s->is_pipe) { if (find_image_range(&first_index, &last_index, s->path) < 0) - goto fail; + return AVERROR(EIO); s->img_first = first_index; s->img_last = last_index; s->img_number = first_index; /* compute duration */ st->start_time = 0; - st->duration = ((int64_t)AV_TIME_BASE * - (last_index - first_index + 1) * - st->codec.frame_rate_base) / st->codec.frame_rate; + st->duration = last_index - first_index + 1; } - + if(ap->video_codec_id){ - st->codec.codec_type = CODEC_TYPE_VIDEO; - st->codec.codec_id = ap->video_codec_id; + st->codec->codec_type = CODEC_TYPE_VIDEO; + st->codec->codec_id = ap->video_codec_id; }else if(ap->audio_codec_id){ - st->codec.codec_type = CODEC_TYPE_AUDIO; - st->codec.codec_id = ap->audio_codec_id; + st->codec->codec_type = CODEC_TYPE_AUDIO; + st->codec->codec_id = ap->audio_codec_id; }else{ - st->codec.codec_type = CODEC_TYPE_VIDEO; - st->codec.codec_id = av_str2id(img_tags, s->path); + st->codec->codec_type = CODEC_TYPE_VIDEO; + st->codec->codec_id = av_str2id(img_tags, s->path); } + if(st->codec->codec_type == CODEC_TYPE_VIDEO && ap->pix_fmt != PIX_FMT_NONE) + st->codec->pix_fmt = ap->pix_fmt; return 0; - - fail: - av_free(s); - return AVERROR_IO; } static int img_read_packet(AVFormatContext *s1, AVPacket *pkt) { VideoData *s = s1->priv_data; char filename[1024]; - int ret; - ByteIOContext f1, *f; + int i; + int size[3]={0}, ret[3]={0}; + 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; - f = &f1; - if (url_fopen(f, filename, URL_RDONLY) < 0) - 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(EIO); + size[i]= url_fsize(f[i]); + + if(codec->codec_id != CODEC_ID_RAWVIDEO) + break; + filename[ strlen(filename) - 1 ]= 'U' + i; + } + + if(codec->codec_id == CODEC_ID_RAWVIDEO && !codec->width) + infer_size(&codec->width, &codec->height, size[0]); } else { - f = &s1->pb; - if (url_feof(f)) - return AVERROR_IO; + f[0] = s1->pb; + if (url_feof(f[0])) + return AVERROR(EIO); + size[0]= 4096; } - if (s->is_pipe) { - av_new_packet(pkt, 4096); - }else{ - av_new_packet(pkt, url_filesize(url_fileno(f))); - } + av_new_packet(pkt, size[0] + size[1] + size[2]); pkt->stream_index = 0; pkt->flags |= PKT_FLAG_KEY; - ret = get_buffer(f, pkt->data, pkt->size); - if (!s->is_pipe) { - url_fclose(f); + pkt->size= 0; + for(i=0; i<3; i++){ + if(size[i]){ + ret[i]= get_buffer(f[i], pkt->data + pkt->size, size[i]); + if (!s->is_pipe) + url_fclose(f[i]); + if(ret[i]>0) + pkt->size += ret[i]; + } } - if (ret <= 0) { + 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 { - pkt->size = ret; s->img_count++; s->img_number++; return 0; } } -static int img_read_close(AVFormatContext *s1) -{ - return 0; -} - +#if defined(CONFIG_IMAGE2_MUXER) || defined(CONFIG_IMAGE2PIPE_MUXER) /******************************************************/ /* image output */ @@ -271,81 +312,95 @@ static int img_write_header(AVFormatContext *s) VideoData *img = s->priv_data; img->img_number = 1; - strcpy(img->path, s->filename); + av_strlcpy(img->path, s->filename, sizeof(img->path)); /* find format */ if (s->oformat->flags & AVFMT_NOFILE) img->is_pipe = 0; else img->is_pipe = 1; - + return 0; } static int img_write_packet(AVFormatContext *s, AVPacket *pkt) { VideoData *img = s->priv_data; - ByteIOContext pb1, *pb; + 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; - pb = &pb1; - if (url_fopen(pb, filename, URL_WRONLY) < 0) - 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(EIO); + + if(codec->codec_id != CODEC_ID_RAWVIDEO) + break; + filename[ strlen(filename) - 1 ]= 'U' + i; + } } else { - pb = &s->pb; + pb[0] = s->pb; } - put_buffer(pb, pkt->data, pkt->size); - put_flush_packet(pb); + if(codec->codec_id == CODEC_ID_RAWVIDEO){ + int ysize = codec->width * codec->height; + put_buffer(pb[0], pkt->data , ysize); + put_buffer(pb[1], pkt->data + ysize, (pkt->size - ysize)/2); + put_buffer(pb[2], pkt->data + ysize +(pkt->size - ysize)/2, (pkt->size - ysize)/2); + put_flush_packet(pb[1]); + put_flush_packet(pb[2]); + url_fclose(pb[1]); + url_fclose(pb[2]); + }else{ + put_buffer(pb[0], pkt->data, pkt->size); + } + put_flush_packet(pb[0]); if (!img->is_pipe) { - url_fclose(pb); + url_fclose(pb[0]); } img->img_number++; return 0; } -static int img_write_trailer(AVFormatContext *s) -{ - return 0; -} +#endif /* defined(CONFIG_IMAGE2_MUXER) || defined(CONFIG_IMAGE2PIPE_MUXER) */ /* input */ - -static AVInputFormat image2_iformat = { +#ifdef 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_iformat = { +#endif +#ifdef 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 /* output */ - -static AVOutputFormat image2_oformat = { +#ifdef CONFIG_IMAGE2_MUXER +AVOutputFormat image2_muxer = { "image2", - "image2 sequence", + NULL_IF_CONFIG_SMALL("image2 sequence"), "", "", sizeof(VideoData), @@ -353,13 +408,14 @@ static AVOutputFormat image2_oformat = { CODEC_ID_MJPEG, img_write_header, img_write_packet, - img_write_trailer, - AVFMT_NOFILE, + NULL, + .flags= AVFMT_NOTIMESTAMPS | AVFMT_NOFILE }; - -static AVOutputFormat image2pipe_oformat = { +#endif +#ifdef CONFIG_IMAGE2PIPE_MUXER +AVOutputFormat image2pipe_muxer = { "image2pipe", - "piped image2 sequence", + NULL_IF_CONFIG_SMALL("piped image2 sequence"), "", "", sizeof(VideoData), @@ -367,16 +423,6 @@ static AVOutputFormat image2pipe_oformat = { CODEC_ID_MJPEG, img_write_header, img_write_packet, - img_write_trailer, + .flags= AVFMT_NOTIMESTAMPS }; - -int img2_init(void) -{ - av_register_input_format(&image2_iformat); - av_register_output_format(&image2_oformat); - - av_register_input_format(&image2pipe_iformat); - av_register_output_format(&image2pipe_oformat); - - return 0; -} +#endif