diff options
Diffstat (limited to 'debian/patches/0110-webp_part2.patch')
| -rw-r--r-- | debian/patches/0110-webp_part2.patch | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/debian/patches/0110-webp_part2.patch b/debian/patches/0110-webp_part2.patch new file mode 100644 index 0000000..175c08d --- /dev/null +++ b/debian/patches/0110-webp_part2.patch @@ -0,0 +1,425 @@ +From: Jens Georg <mail@jensge.org> +Date: Wed, 30 Aug 2017 21:46:55 +0200 +Subject: Support reading WEBP + +https://bugzilla.gnome.org/show_bug.cgi?id=717880 + +Requires a gexiv2 linked against exiv2 0.26 which currently works in the +flatpak and on F28, but NOT on Debian/Ubuntu 18.04 + +(cherry picked from commit f032a58dca391b1833c6ea70785bb3b63abc68c7) +--- + meson.build | 3 + + src/meson.build | 3 +- + src/photos/PhotoFileFormat.vala | 18 ++- + src/photos/WebPSupport.vala | 240 ++++++++++++++++++++++++++++++++++++++++ + vapi/libwebp.vapi | 5 + + vapi/libwebpdemux.vapi | 43 +++++++ + 6 files changed, 309 insertions(+), 3 deletions(-) + create mode 100644 src/photos/WebPSupport.vala + create mode 100644 vapi/libwebp.vapi + create mode 100644 vapi/libwebpdemux.vapi + +diff --git a/meson.build b/meson.build +index 5d08d30..2316377 100644 +--- a/meson.build ++++ b/meson.build +@@ -66,6 +66,9 @@ libexif = dependency('libexif', version : '>= 0.6.16') + unity = dependency('unity', required : false) + portal = [ dependency('libportal', version: '>= 0.5'), dependency('libportal-gtk3', version: '>= 0.5')] + ++webpdemux = dependency('libwebpdemux') ++webp = dependency('libwebp') ++ + unity_available = false + if unity.found() and get_option('unity-support') + unity_available = true +diff --git a/src/meson.build b/src/meson.build +index a532eec..8cab77d 100644 +--- a/src/meson.build ++++ b/src/meson.build +@@ -29,7 +29,7 @@ face_sources = (['faces/FacesBranch.vala', + + shotwell_deps = [gio, gee, sqlite, gtk, sqlite, posix, gphoto2, + gstreamer_pbu, gio_unix, gudev, gexiv2, gmodule, +- libraw, libexif, sw_plugin, portal, version] ++ libraw, libexif, sw_plugin, portal, version, webpdemux, webp] + if unity_available + shotwell_deps += [unity] + endif +@@ -73,6 +73,7 @@ executable('shotwell', + 'photos/RawSupport.vala', + 'photos/PngSupport.vala', + 'photos/TiffSupport.vala', ++ 'photos/WebPSupport.vala', + 'plugins/Plugins.vala', + 'plugins/StandardHostInterface.vala', + 'plugins/ManifestWidget.vala', +diff --git a/src/photos/PhotoFileFormat.vala b/src/photos/PhotoFileFormat.vala +index e642008..94ca752 100644 +--- a/src/photos/PhotoFileFormat.vala ++++ b/src/photos/PhotoFileFormat.vala +@@ -58,12 +58,13 @@ public enum PhotoFileFormat { + TIFF, + BMP, + GIF, ++ WEBP, + UNKNOWN; + + // This is currently listed in the order of detection, that is, the file is examined from + // left to right. (See PhotoFileInterrogator.) + public static PhotoFileFormat[] get_supported() { +- return { JFIF, RAW, PNG, TIFF, BMP, GIF }; ++ return { JFIF, RAW, PNG, TIFF, BMP, GIF, WEBP }; + } + + public static PhotoFileFormat[] get_writeable() { +@@ -141,7 +142,10 @@ public enum PhotoFileFormat { + + case GIF: + return 5; +- ++ ++ case WEBP: ++ return 6; ++ + case UNKNOWN: + default: + return -1; +@@ -169,6 +173,9 @@ public enum PhotoFileFormat { + case 5: + return GIF; + ++ case 6: ++ return WEBP; ++ + default: + return UNKNOWN; + } +@@ -249,6 +256,10 @@ public enum PhotoFileFormat { + Photos.GifFileFormatDriver.init(); + break; + ++ case WEBP: ++ Photos.WebpFileFormatDriver.init(); ++ break; ++ + default: + error("Unsupported file format %s", this.to_string()); + } +@@ -274,6 +285,9 @@ public enum PhotoFileFormat { + case GIF: + return Photos.GifFileFormatDriver.get_instance(); + ++ case WEBP: ++ return Photos.WebpFileFormatDriver.get_instance(); ++ + default: + error("Unsupported file format %s", this.to_string()); + } +diff --git a/src/photos/WebPSupport.vala b/src/photos/WebPSupport.vala +new file mode 100644 +index 0000000..093f196 +--- /dev/null ++++ b/src/photos/WebPSupport.vala +@@ -0,0 +1,240 @@ ++/* Copyright 2016 Software Freedom Conservancy Inc. ++ * ++ * This software is licensed under the GNU LGPL (version 2.1 or later). ++ * See the COPYING file in this distribution. ++ */ ++ ++namespace Photos { ++ ++public class WebpFileFormatDriver : PhotoFileFormatDriver { ++ private static WebpFileFormatDriver instance = null; ++ ++ public static void init() { ++ instance = new WebpFileFormatDriver(); ++ WebpFileFormatProperties.init(); ++ } ++ ++ public static WebpFileFormatDriver get_instance() { ++ return instance; ++ } ++ ++ public override PhotoFileFormatProperties get_properties() { ++ return WebpFileFormatProperties.get_instance(); ++ } ++ ++ public override PhotoFileReader create_reader(string filepath) { ++ return new WebpReader(filepath); ++ } ++ ++ public override PhotoMetadata create_metadata() { ++ return new PhotoMetadata(); ++ } ++ ++ public override bool can_write_image() { ++ return false; ++ } ++ ++ public override bool can_write_metadata() { ++ return true; ++ } ++ ++ public override PhotoFileWriter? create_writer(string filepath) { ++ return null; ++ } ++ ++ public override PhotoFileMetadataWriter? create_metadata_writer(string filepath) { ++ return new WebpMetadataWriter(filepath); ++ } ++ ++ public override PhotoFileSniffer create_sniffer(File file, PhotoFileSniffer.Options options) { ++ return new WebpSniffer(file, options); ++ } ++} ++ ++private class WebpFileFormatProperties : PhotoFileFormatProperties { ++ private static string[] KNOWN_EXTENSIONS = { ++ "webp" ++ }; ++ ++ private static string[] KNOWN_MIME_TYPES = { ++ "image/webp" ++ }; ++ ++ private static WebpFileFormatProperties instance = null; ++ ++ public static void init() { ++ instance = new WebpFileFormatProperties(); ++ } ++ ++ public static WebpFileFormatProperties get_instance() { ++ return instance; ++ } ++ ++ public override PhotoFileFormat get_file_format() { ++ return PhotoFileFormat.WEBP; ++ } ++ ++ public override PhotoFileFormatFlags get_flags() { ++ return PhotoFileFormatFlags.NONE; ++ } ++ ++ public override string get_default_extension() { ++ return "webp"; ++ } ++ ++ public override string get_user_visible_name() { ++ return _("WebP"); ++ } ++ ++ public override string[] get_known_extensions() { ++ return KNOWN_EXTENSIONS; ++ } ++ ++ public override string get_default_mime_type() { ++ return KNOWN_MIME_TYPES[0]; ++ } ++ ++ public override string[] get_mime_types() { ++ return KNOWN_MIME_TYPES; ++ } ++} ++ ++private class WebpSniffer : PhotoFileSniffer { ++ private DetectedPhotoInformation detected = null; ++ ++ public WebpSniffer(File file, PhotoFileSniffer.Options options) { ++ base (file, options); ++ detected = new DetectedPhotoInformation(); ++ } ++ ++ public override DetectedPhotoInformation? sniff(out bool is_corrupted) throws Error { ++ is_corrupted = false; ++ ++ if (!is_webp(file)) ++ return null; ++ ++ // valac chokes on the ternary operator here ++ Checksum? md5_checksum = null; ++ if (calc_md5) ++ md5_checksum = new Checksum(ChecksumType.MD5); ++ ++ detected.metadata = new PhotoMetadata(); ++ try { ++ detected.metadata.read_from_file(file); ++ } catch (Error err) { ++ debug("Failed to load meta-data from file: %s", err.message); ++ // no metadata detected ++ detected.metadata = null; ++ } ++ ++ if (calc_md5 && detected.metadata != null) { ++ detected.exif_md5 = detected.metadata.exif_hash(); ++ detected.thumbnail_md5 = detected.metadata.thumbnail_hash(); ++ } ++ ++ // if no MD5, don't read as much, as the needed info will probably be gleaned ++ // in the first 8K to 16K ++ uint8[] buffer = calc_md5 ? new uint8[64 * 1024] : new uint8[8 * 1024]; ++ size_t count = 0; ++ ++ // loop through until all conditions we're searching for are met ++ FileInputStream fins = file.read(null); ++ var ba = new ByteArray(); ++ for (;;) { ++ size_t bytes_read = fins.read(buffer, null); ++ if (bytes_read <= 0) ++ break; ++ ++ ba.append(buffer[0:bytes_read]); ++ ++ count += bytes_read; ++ ++ if (calc_md5) ++ md5_checksum.update(buffer, bytes_read); ++ ++ WebP.Data d = WebP.Data(); ++ d.bytes = ba.data; ++ ++ WebP.ParsingState state; ++ var demux = new WebP.Demuxer.partial(d, out state); ++ ++ if (state == WebP.ParsingState.PARSE_ERROR) { ++ is_corrupted = true; ++ break; ++ } ++ ++ if (state > WebP.ParsingState.PARSED_HEADER) { ++ detected.file_format = PhotoFileFormat.WEBP; ++ detected.format_name = "WebP"; ++ detected.channels = 4; ++ detected.bits_per_channel = 8; ++ detected.image_dim.width = (int) demux.get(WebP.FormatFeature.CANVAS_WIDTH); ++ detected.image_dim.height = (int) demux.get(WebP.FormatFeature.CANVAS_HEIGHT); ++ ++ // if not searching for anything else, exit ++ if (!calc_md5) ++ break; ++ } ++ } ++ ++ if (fins != null) ++ fins.close(null); ++ ++ if (calc_md5) ++ detected.md5 = md5_checksum.get_string(); ++ ++ return detected; ++ } ++} ++ ++private class WebpReader : PhotoFileReader { ++ public WebpReader(string filepath) { ++ base (filepath, PhotoFileFormat.WEBP); ++ } ++ ++ public override PhotoMetadata read_metadata() throws Error { ++ PhotoMetadata metadata = new PhotoMetadata(); ++ metadata.read_from_file(get_file()); ++ ++ return metadata; ++ } ++ ++ public override Gdk.Pixbuf unscaled_read() throws Error { ++ uint8[] buffer; ++ ++ FileUtils.get_data(this.get_filepath(), out buffer); ++ int width, height; ++ var pixdata = WebP.DecodeRGBA(buffer, out width, out height); ++ pixdata.length = width * height * 4; ++ ++ return new Gdk.Pixbuf.from_data(pixdata, Gdk.Colorspace.RGB, true, 8, width, height, width * 4); ++ } ++} ++ ++private class WebpMetadataWriter : PhotoFileMetadataWriter { ++ public WebpMetadataWriter(string filepath) { ++ base (filepath, PhotoFileFormat.TIFF); ++ } ++ ++ public override void write_metadata(PhotoMetadata metadata) throws Error { ++ metadata.write_to_file(get_file()); ++ } ++} ++ ++public bool is_webp(File file, Cancellable? cancellable = null) throws Error { ++ var ins = file.read(); ++ ++ uint8 buffer[12]; ++ try { ++ ins.read(buffer, null); ++ if (buffer[0] == 'R' && buffer[1] == 'I' && buffer[2] == 'F' && buffer[3] == 'F' && ++ buffer[8] == 'W' && buffer[9] == 'E' && buffer[10] == 'B' && buffer[11] == 'P') ++ return true; ++ } catch (Error error) { ++ debug ("Failed to read from file %s: %s", file.get_path (), error.message); ++ } ++ ++ return false; ++} ++ ++} +diff --git a/vapi/libwebp.vapi b/vapi/libwebp.vapi +new file mode 100644 +index 0000000..a19fbcf +--- /dev/null ++++ b/vapi/libwebp.vapi +@@ -0,0 +1,5 @@ ++[CCode (cheader_filename = "webp/decode.h")] ++namespace WebP { ++ [CCode (array_length = false, cname="WebPDecodeRGBA")] ++ public static uint8[] DecodeRGBA([CCode (array_length_pos=1)]uint8[] data, out int width, out int height); ++} +diff --git a/vapi/libwebpdemux.vapi b/vapi/libwebpdemux.vapi +new file mode 100644 +index 0000000..7612b42 +--- /dev/null ++++ b/vapi/libwebpdemux.vapi +@@ -0,0 +1,43 @@ ++namespace WebP { ++ [CCode (has_type_id = false)] ++ public struct Data { ++ [CCode (array_length_cname = "size")] ++ public unowned uint8[] bytes; ++ ++ public size_t size; ++ ++ [CCode (cname = "WebPDataClear")] ++ public void clear(); ++ } ++ ++ [CCode (cprefix = "WEBP_DEMUX_", cname = "WebPDemuxState")] ++ public enum ParsingState { ++ PARSE_ERROR, ++ PARSING_HEADER, ++ PARSED_HEADER, ++ DONE ++ } ++ ++ [CCode (cprefix = "WEBP_FF_")] ++ public enum FormatFeature { ++ FORMAT_FLAGS, ++ CANVAS_WIDTH, ++ CANVAS_HEIGHT, ++ LOOP_COUNT, ++ BACKGROUND_COLOR, ++ FRAME_COUNT ++ } ++ ++ [Compact] ++ [CCode (free_function = "WebPDemuxDelete", cname = "WebPDemuxer", cheader_filename = "webp/demux.h", has_type_id = false)] ++ public class Demuxer { ++ [CCode (cname="WebPDemux")] ++ public Demuxer(Data data); ++ ++ [CCode (cname="WebPDemuxPartial")] ++ public Demuxer.partial(Data data, out ParsingState state); ++ ++ [CCode (cname="WebPDemuxGetI")] ++ public uint32 get(FormatFeature feature); ++ } ++} |