diff options
Diffstat (limited to 'debian/patches/0110-webp_part2.patch')
-rw-r--r-- | debian/patches/0110-webp_part2.patch | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/debian/patches/0110-webp_part2.patch b/debian/patches/0110-webp_part2.patch deleted file mode 100644 index 175c08d..0000000 --- a/debian/patches/0110-webp_part2.patch +++ /dev/null @@ -1,425 +0,0 @@ -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); -+ } -+} |