| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Image format | ||
| 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard | ||
| 4 | * Copyright (c) 2004 Michael Niedermayer | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include <time.h> | ||
| 24 | |||
| 25 | #include "config_components.h" | ||
| 26 | |||
| 27 | #include "libavutil/intreadwrite.h" | ||
| 28 | #include "libavutil/avstring.h" | ||
| 29 | #include "libavutil/dict.h" | ||
| 30 | #include "libavutil/log.h" | ||
| 31 | #include "libavutil/opt.h" | ||
| 32 | #include "libavutil/pixdesc.h" | ||
| 33 | #include "libavutil/time_internal.h" | ||
| 34 | #include "avformat.h" | ||
| 35 | #include "avio_internal.h" | ||
| 36 | #include "internal.h" | ||
| 37 | #include "img2.h" | ||
| 38 | #include "mux.h" | ||
| 39 | |||
| 40 | typedef struct VideoMuxData { | ||
| 41 | const AVClass *class; /**< Class for private options. */ | ||
| 42 | int start_img_number; | ||
| 43 | int img_number; | ||
| 44 | int split_planes; /**< use independent file for each Y, U, V plane */ | ||
| 45 | char tmp[4][1024]; | ||
| 46 | char target[4][1024]; | ||
| 47 | int update; | ||
| 48 | int use_strftime; | ||
| 49 | int frame_pts; | ||
| 50 | const char *muxer; | ||
| 51 | int use_rename; | ||
| 52 | AVDictionary *protocol_opts; | ||
| 53 | } VideoMuxData; | ||
| 54 | |||
| 55 | 65 | static int write_header(AVFormatContext *s) | |
| 56 | { | ||
| 57 | 65 | VideoMuxData *img = s->priv_data; | |
| 58 | 65 | AVStream *st = s->streams[0]; | |
| 59 | 65 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(st->codecpar->format); | |
| 60 | |||
| 61 |
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65 | if (st->codecpar->codec_id == AV_CODEC_ID_GIF) { |
| 62 | ✗ | img->muxer = "gif"; | |
| 63 |
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65 | } else if (st->codecpar->codec_id == AV_CODEC_ID_FITS) { |
| 64 | ✗ | img->muxer = "fits"; | |
| 65 |
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65 | } else if (st->codecpar->codec_id == AV_CODEC_ID_AV1) { |
| 66 | ✗ | img->muxer = "avif"; | |
| 67 |
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65 | } else if (st->codecpar->codec_id == AV_CODEC_ID_RAWVIDEO) { |
| 68 | ✗ | const char *str = strrchr(s->url, '.'); | |
| 69 | ✗ | img->split_planes = str | |
| 70 | ✗ | && !av_strcasecmp(str + 1, "y") | |
| 71 | ✗ | && s->nb_streams == 1 | |
| 72 | ✗ | && desc | |
| 73 | ✗ | &&(desc->flags & AV_PIX_FMT_FLAG_PLANAR) | |
| 74 | ✗ | && desc->nb_components >= 3; | |
| 75 | } | ||
| 76 | 65 | img->img_number = img->start_img_number; | |
| 77 | |||
| 78 | 65 | return 0; | |
| 79 | } | ||
| 80 | |||
| 81 | ✗ | static int write_muxed_file(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) | |
| 82 | { | ||
| 83 | ✗ | VideoMuxData *img = s->priv_data; | |
| 84 | ✗ | AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar; | |
| 85 | AVStream *st; | ||
| 86 | ✗ | AVPacket *const pkt2 = ffformatcontext(s)->pkt; | |
| 87 | ✗ | AVFormatContext *fmt = NULL; | |
| 88 | int ret; | ||
| 89 | |||
| 90 | /* URL is not used directly as we are overriding the IO context later. */ | ||
| 91 | ✗ | ret = avformat_alloc_output_context2(&fmt, NULL, img->muxer, s->url); | |
| 92 | ✗ | if (ret < 0) | |
| 93 | ✗ | return ret; | |
| 94 | ✗ | st = avformat_new_stream(fmt, NULL); | |
| 95 | ✗ | if (!st) { | |
| 96 | ✗ | ret = AVERROR(ENOMEM); | |
| 97 | ✗ | goto out; | |
| 98 | } | ||
| 99 | ✗ | st->id = pkt->stream_index; | |
| 100 | |||
| 101 | ✗ | fmt->pb = pb; | |
| 102 | |||
| 103 | ✗ | ret = av_packet_ref(pkt2, pkt); | |
| 104 | ✗ | if (ret < 0) | |
| 105 | ✗ | goto out; | |
| 106 | ✗ | pkt2->stream_index = 0; | |
| 107 | |||
| 108 | ✗ | if ((ret = avcodec_parameters_copy(st->codecpar, par)) < 0 || | |
| 109 | ✗ | (ret = avformat_write_header(fmt, NULL)) < 0 || | |
| 110 | ✗ | (ret = av_interleaved_write_frame(fmt, pkt2)) < 0 || | |
| 111 | ✗ | (ret = av_write_trailer(fmt))) {} | |
| 112 | |||
| 113 | ✗ | av_packet_unref(pkt2); | |
| 114 | ✗ | out: | |
| 115 | ✗ | avformat_free_context(fmt); | |
| 116 | ✗ | return ret; | |
| 117 | } | ||
| 118 | |||
| 119 | 151 | static int write_packet_pipe(AVFormatContext *s, AVPacket *pkt) | |
| 120 | { | ||
| 121 | 151 | VideoMuxData *img = s->priv_data; | |
| 122 |
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151 | if (img->muxer) { |
| 123 | ✗ | int ret = write_muxed_file(s, s->pb, pkt); | |
| 124 | ✗ | if (ret < 0) | |
| 125 | ✗ | return ret; | |
| 126 | } else { | ||
| 127 | 151 | avio_write(s->pb, pkt->data, pkt->size); | |
| 128 | } | ||
| 129 | 151 | img->img_number++; | |
| 130 | 151 | return 0; | |
| 131 | } | ||
| 132 | |||
| 133 | 670 | static int write_and_close(AVFormatContext *s, AVIOContext **pb, const unsigned char *buf, int size) | |
| 134 | { | ||
| 135 | 670 | avio_write(*pb, buf, size); | |
| 136 | 670 | avio_flush(*pb); | |
| 137 | 670 | return ff_format_io_close(s, pb); | |
| 138 | } | ||
| 139 | |||
| 140 | 670 | static int write_packet(AVFormatContext *s, AVPacket *pkt) | |
| 141 | { | ||
| 142 | 670 | VideoMuxData *img = s->priv_data; | |
| 143 | 670 | AVIOContext *pb[4] = {0}; | |
| 144 | char filename[1024]; | ||
| 145 | 670 | AVCodecParameters *par = s->streams[pkt->stream_index]->codecpar; | |
| 146 | 670 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(par->format); | |
| 147 | int ret, i; | ||
| 148 | 670 | int nb_renames = 0; | |
| 149 | 670 | AVDictionary *options = NULL; | |
| 150 | |||
| 151 |
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670 | if (img->update) { |
| 152 | ✗ | av_strlcpy(filename, s->url, sizeof(filename)); | |
| 153 |
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670 | } else if (img->use_strftime) { |
| 154 | time_t now0; | ||
| 155 | struct tm *tm, tmpbuf; | ||
| 156 | ✗ | time(&now0); | |
| 157 | ✗ | tm = localtime_r(&now0, &tmpbuf); | |
| 158 | ✗ | if (!strftime(filename, sizeof(filename), s->url, tm)) { | |
| 159 | ✗ | av_log(s, AV_LOG_ERROR, "Could not get frame filename with strftime\n"); | |
| 160 | ✗ | return AVERROR(EINVAL); | |
| 161 | } | ||
| 162 |
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670 | } else if (img->frame_pts) { |
| 163 | ✗ | if (ff_get_frame_filename(filename, sizeof(filename), s->url, pkt->pts, AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) { | |
| 164 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot write filename by pts of the frames."); | |
| 165 | ✗ | return AVERROR(EINVAL); | |
| 166 | } | ||
| 167 |
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670 | } else if (ff_get_frame_filename(filename, sizeof(filename), s->url, |
| 168 | 670 | img->img_number, | |
| 169 | AV_FRAME_FILENAME_FLAGS_MULTIPLE) < 0) { | ||
| 170 |
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7 | if (img->img_number == img->start_img_number) { |
| 171 | 7 | av_log(s, AV_LOG_WARNING, "The specified filename '%s' does not contain an image sequence pattern or a pattern is invalid.\n", s->url); | |
| 172 | 7 | av_log(s, AV_LOG_WARNING, | |
| 173 | "Use a pattern such as %%03d for an image sequence or " | ||
| 174 | "use the -update option (with -frames:v 1 if needed) to write a single image.\n"); | ||
| 175 | 7 | av_strlcpy(filename, s->url, sizeof(filename)); | |
| 176 | } else { | ||
| 177 | ✗ | av_log(s, AV_LOG_ERROR, "Cannot write more than one file with the same name. Are you missing the -update option or a sequence pattern?\n"); | |
| 178 | ✗ | return AVERROR(EINVAL); | |
| 179 | } | ||
| 180 | } | ||
| 181 |
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670 | for (i = 0; i < 4; i++) { |
| 182 | 670 | av_dict_copy(&options, img->protocol_opts, 0); | |
| 183 | 670 | snprintf(img->tmp[i], sizeof(img->tmp[i]), "%s.tmp", filename); | |
| 184 | 670 | av_strlcpy(img->target[i], filename, sizeof(img->target[i])); | |
| 185 |
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670 | if (s->io_open(s, &pb[i], img->use_rename ? img->tmp[i] : filename, AVIO_FLAG_WRITE, &options) < 0) { |
| 186 | ✗ | av_log(s, AV_LOG_ERROR, "Could not open file : %s\n", img->use_rename ? img->tmp[i] : filename); | |
| 187 | ✗ | ret = AVERROR(EIO); | |
| 188 | ✗ | goto fail; | |
| 189 | } | ||
| 190 |
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670 | if (options) { |
| 191 | ✗ | av_log(s, AV_LOG_ERROR, "Could not recognize some protocol options\n"); | |
| 192 | ✗ | ret = AVERROR(EINVAL); | |
| 193 | ✗ | goto fail; | |
| 194 | } | ||
| 195 | |||
| 196 |
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670 | if (!img->split_planes || i+1 >= desc->nb_components) |
| 197 | break; | ||
| 198 | ✗ | filename[strlen(filename) - 1] = "UVAx"[i]; | |
| 199 | } | ||
| 200 |
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670 | if (img->use_rename) |
| 201 | ✗ | nb_renames = i + 1; | |
| 202 | |||
| 203 |
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670 | if (img->split_planes) { |
| 204 | ✗ | int ysize = par->width * par->height; | |
| 205 | ✗ | int usize = AV_CEIL_RSHIFT(par->width, desc->log2_chroma_w) * AV_CEIL_RSHIFT(par->height, desc->log2_chroma_h); | |
| 206 | ✗ | if (desc->comp[0].depth >= 9) { | |
| 207 | ✗ | ysize *= 2; | |
| 208 | ✗ | usize *= 2; | |
| 209 | } | ||
| 210 | ✗ | if ((ret = write_and_close(s, &pb[0], pkt->data , ysize)) < 0 || | |
| 211 | ✗ | (ret = write_and_close(s, &pb[1], pkt->data + ysize , usize)) < 0 || | |
| 212 | ✗ | (ret = write_and_close(s, &pb[2], pkt->data + ysize + usize, usize)) < 0) | |
| 213 | ✗ | goto fail; | |
| 214 | ✗ | if (desc->nb_components > 3) | |
| 215 | ✗ | ret = write_and_close(s, &pb[3], pkt->data + ysize + 2*usize, ysize); | |
| 216 |
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670 | } else if (img->muxer) { |
| 217 | ✗ | if ((ret = write_muxed_file(s, pb[0], pkt)) < 0) | |
| 218 | ✗ | goto fail; | |
| 219 | ✗ | ret = ff_format_io_close(s, &pb[0]); | |
| 220 | } else { | ||
| 221 | 670 | ret = write_and_close(s, &pb[0], pkt->data, pkt->size); | |
| 222 | } | ||
| 223 |
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670 | if (ret < 0) |
| 224 | ✗ | goto fail; | |
| 225 | |||
| 226 |
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670 | for (i = 0; i < nb_renames; i++) { |
| 227 | ✗ | int ret = ff_rename(img->tmp[i], img->target[i], s); | |
| 228 | ✗ | if (ret < 0) | |
| 229 | ✗ | return ret; | |
| 230 | } | ||
| 231 | |||
| 232 | 670 | img->img_number++; | |
| 233 | 670 | return 0; | |
| 234 | |||
| 235 | ✗ | fail: | |
| 236 | ✗ | av_dict_free(&options); | |
| 237 | ✗ | for (i = 0; i < FF_ARRAY_ELEMS(pb); i++) | |
| 238 | ✗ | if (pb[i]) | |
| 239 | ✗ | ff_format_io_close(s, &pb[i]); | |
| 240 | ✗ | return ret; | |
| 241 | } | ||
| 242 | |||
| 243 | 65 | static int query_codec(enum AVCodecID id, int std_compliance) | |
| 244 | { | ||
| 245 | int i; | ||
| 246 |
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65 | for (i = 0; ff_img_tags[i].id != AV_CODEC_ID_NONE; i++) |
| 247 |
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65 | if (ff_img_tags[i].id == id) |
| 248 | 65 | return 1; | |
| 249 | |||
| 250 | // Anything really can be stored in img2 | ||
| 251 | ✗ | return std_compliance < FF_COMPLIANCE_NORMAL; | |
| 252 | } | ||
| 253 | |||
| 254 | #define OFFSET(x) offsetof(VideoMuxData, x) | ||
| 255 | #define ENC AV_OPT_FLAG_ENCODING_PARAM | ||
| 256 | static const AVOption muxoptions[] = { | ||
| 257 | { "update", "continuously overwrite one file", OFFSET(update), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC }, | ||
| 258 | { "start_number", "set first number in the sequence", OFFSET(start_img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, ENC }, | ||
| 259 | { "strftime", "use strftime for filename", OFFSET(use_strftime), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC }, | ||
| 260 | { "frame_pts", "use current frame pts for filename", OFFSET(frame_pts), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC }, | ||
| 261 | { "atomic_writing", "write files atomically (using temporary files and renames)", OFFSET(use_rename), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC }, | ||
| 262 | { "protocol_opts", "specify protocol options for the opened files", OFFSET(protocol_opts), AV_OPT_TYPE_DICT, {0}, 0, 0, ENC }, | ||
| 263 | { NULL }, | ||
| 264 | }; | ||
| 265 | |||
| 266 | #if CONFIG_IMAGE2_MUXER | ||
| 267 | static const AVClass img2mux_class = { | ||
| 268 | .class_name = "image2 muxer", | ||
| 269 | .item_name = av_default_item_name, | ||
| 270 | .option = muxoptions, | ||
| 271 | .version = LIBAVUTIL_VERSION_INT, | ||
| 272 | }; | ||
| 273 | |||
| 274 | const FFOutputFormat ff_image2_muxer = { | ||
| 275 | .p.name = "image2", | ||
| 276 | .p.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"), | ||
| 277 | .p.extensions = "bmp,dpx,exr,jls,jpeg,jpg,jxl,ljpg,pam,pbm,pcx,pfm,pgm,pgmyuv,phm," | ||
| 278 | "png,ppm,sgi,tga,tif,tiff,jp2,j2c,j2k,xwd,sun,ras,rs,im1,im8," | ||
| 279 | "im24,sunras,vbn,xbm,xface,pix,y,avif,qoi,hdr,wbmp", | ||
| 280 | .priv_data_size = sizeof(VideoMuxData), | ||
| 281 | .p.video_codec = AV_CODEC_ID_MJPEG, | ||
| 282 | .write_header = write_header, | ||
| 283 | .write_packet = write_packet, | ||
| 284 | .query_codec = query_codec, | ||
| 285 | .p.flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | AVFMT_NOFILE, | ||
| 286 | .p.priv_class = &img2mux_class, | ||
| 287 | }; | ||
| 288 | #endif | ||
| 289 | #if CONFIG_IMAGE2PIPE_MUXER | ||
| 290 | const FFOutputFormat ff_image2pipe_muxer = { | ||
| 291 | .p.name = "image2pipe", | ||
| 292 | .p.long_name = NULL_IF_CONFIG_SMALL("piped image2 sequence"), | ||
| 293 | .priv_data_size = sizeof(VideoMuxData), | ||
| 294 | .p.video_codec = AV_CODEC_ID_MJPEG, | ||
| 295 | .write_header = write_header, | ||
| 296 | .write_packet = write_packet_pipe, | ||
| 297 | .query_codec = query_codec, | ||
| 298 | .p.flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | ||
| 299 | }; | ||
| 300 | #endif | ||
| 301 |