enhance(main/timg): build with sixel support

#19895

packages/timg/build.sh

@@ -3,10 +3,11 @@ TERMUX_PKG_DESCRIPTION="A terminal image and video viewer"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION="1.6.0"
-TERMUX_PKG_SRCURL=https://github.com/hzeller/timg/archive/24d7727a4ba44b32fcdfb8e21fc258a4638fbbfe.tar.gz
-TERMUX_PKG_SHA256=5fe2a0f68dacfe367cc82ed5c3a21a9c1455ae78df1acedb7c02ed27ef502833
+TERMUX_PKG_REVISION="1"
+TERMUX_PKG_SRCURL=https://github.com/hzeller/timg/archive/refs/tags/v${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=9e1b99b4eaed82297ad2ebbde02e3781775e3bba6d3e298d7598be5f4e1c49af
 TERMUX_PKG_AUTO_UPDATE=true
-TERMUX_PKG_DEPENDS="ffmpeg, graphicsmagick, libc++, libjpeg-turbo, libexif, zlib"
+TERMUX_PKG_DEPENDS="ffmpeg, graphicsmagick, libc++, libcairo, libdeflate, libjpeg-turbo, libexif, librsvg, libsixel, poppler, zlib"
 
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 -DWITH_VIDEO_DECODING=on
@@ -14,4 +15,7 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 -DWITH_GRAPHICSMAGICK=on
 -DWITH_TURBOJPEG=on
 -DWITH_STB_IMAGE=off
+-DWITH_POPPLER=on
+-DWITH_LIBSIXEL=on
+-DWITH_RSVG=on
 "

packages/timg/src-timg.cc.patch

@@ -0,0 +1,11 @@
+--- a/src/timg.cc
++++ b/src/timg.cc
+@@ -167,7 +167,7 @@ static int usage(const char *progname, ExitCode exit_code, int width,
+ #else
+     static constexpr char kFileType[] = "image";
+ #endif
+-    const char *after_slash_progname = rindex(progname, '/');
++    const char *after_slash_progname = strrchr(progname, '/');
+     progname = after_slash_progname ? after_slash_progname + 1 : progname;
+     const char *const default_title = getenv("TIMG_DEFAULT_TITLE");
+     fprintf(stderr, "usage: %s [options] <%s> [<%s>...]\n", progname, kFileType,

packages/timg/src-video-display.cc.patch

@@ -1,11 +0,0 @@
---- a/src/video-display.cc
-+++ b/src/video-display.cc
-@@ -152,7 +152,7 @@
- 
-     // Find the first video stream
-     AVCodecParameters *codec_parameters = nullptr;
--    AVCodec *av_codec = nullptr;
-+    const AVCodec *av_codec = nullptr;
-     for (int i = 0; i < (int)format_context_->nb_streams; ++i) {
-         codec_parameters = format_context_->streams[i]->codecpar;
-         av_codec = avcodec_find_decoder(codec_parameters->codec_id);