Merge branch 'master' of https://github.com/CCExtractor/ccextractor

.gitignore

@@ -92,3 +92,6 @@ src/zlib/.deps/
 src/zlib/.dirstamp
 src/zvbi/.deps/
 src/zvbi/.dirstamp
+
+# Arch
+package_creators/*.pkg.tar.xz

README.md

@@ -89,6 +89,16 @@ More usage information can be found on our website:
     # test your build
     ./ccextractor
 
+### Arch Linux
+    # make sure you have CCExtractor repository forked
+    # clone repository
+    sudo pacman -S git
+    git clone https://github.com/%USERNAME%/ccextractor.git # paste your github username
+
+    # building installation package (.pkg.tar.xz) or installing directly
+    cd ccextractor/package_creators
+    ./arch.sh
+
 ### Windows
 
 Open the windows/ccextractor.sln file with Visual Studio (2015 at least), and build it. Configurations "(Debug|Release)-Full" includes dependent libraries which are used for OCR.

docs/CHANGES.TXT

@@ -2,6 +2,7 @@
 -----------------
 - Fix: Prevent the OCR being initialized more than once (happened on multiprogram and
   PAT changes)
+- New: Added build/installation script for .pkg.tar.xz (Arch Linux).
   
 
 0.85b (2017-1-26)

package_creators/PKGBUILD

@@ -0,0 +1,22 @@
+pkgname=ccextractor
+pkgver=0.85
+pkgrel=1
+pkgdesc="A closed captions and teletext subtitles extractor for video streams."
+arch=('i686' 'x86_64')
+url="http://www.ccextractor.org"
+license=('GPL')
+depends=('gcc-libs' 'tesseract')
+source=(
+   $pkgname-$pkgver.tar.gz
+)
+
+build() {
+  cd "$srcdir/$pkgname-$pkgver"
+  CC=gcc ./configure --enable-ocr --prefix="$pkgdir/usr/local"
+  make -j4
+}
+
+package() {
+  cd "$srcdir/$pkgname-$pkgver"
+  make install
+}

package_creators/arch.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+./tarball.sh
+retval=$?
+if [ $retval -ne 0 ]; then
+    echo "Sorry, the package could not be created as the tarball building process failed with return code $retval"
+    rm -f ./*.tar.gz
+    exit $retval
+fi
+makepkg -g >> PKGBUILD
+makepkg -sc
+retval=$?
+if [ $retval -ne 0 ]; then
+    echo "Sorry, the package could not be created as makepkg failed with return code $retval"
+    rm -rf ./*.tar.gz src
+    sed -i '$ d' PKGBUILD
+    exit $retval
+fi
+rm -f ./*.tar.gz
+sed -i '$ d' PKGBUILD
+read -p "Do you wish to install ccextractor? [y/N] " yn
+case $yn in
+    [Yy]* ) if [ -x "$(command -v sudo)" ]; then
+                sudo pacman -U ./*.pkg.tar.xz;
+            else
+                su -c "pacman -U ./*.pkg.tar.xz";
+            fi
+            rm -f ./*.pkg.tar.xz;;
+    * ) exit;;
+esac

src/lib_ccx/general_loop.c

@@ -1102,7 +1102,7 @@ int rcwt_loop(struct lib_ccx_ctx *ctx)
 	int caps = 0;
 	LLONG result;
 	struct encoder_ctx *enc_ctx = update_encoder_list(ctx);
-
+	struct Teletext *telctx;
 	// As BUFSIZE is a macro this is just a reminder
 	if (BUFSIZE < (3*0xFFFF + 10))
 		fatal (CCX_COMMON_EXIT_BUG_BUG, "BUFSIZE too small for RCWT caption block.\n");
@@ -1143,6 +1143,7 @@ int rcwt_loop(struct lib_ccx_ctx *ctx)
 		dec_ctx->private_data = telxcc_init();
 	}
 	dec_sub = &dec_ctx->dec_sub;
+	telctx =dec_ctx->private_data;
 
 	/* Set minimum and current pts since rcwt has correct time */
 	dec_ctx->timing->min_pts = 0;
@@ -1155,9 +1156,10 @@ int rcwt_loop(struct lib_ccx_ctx *ctx)
 		{
 			result = buffered_read(ctx->demux_ctx, buf, TELETEXT_CHUNK_LEN);
 			ctx->demux_ctx->past += result;
-			if (result != TELETEXT_CHUNK_LEN)
+			if (result != TELETEXT_CHUNK_LEN){
+			  telxcc_dump_prev_page(telctx,dec_sub);
 				break;
-
+			}
 			tlt_read_rcwt(dec_ctx->private_data, buf, dec_sub);
 			if(dec_sub->got_output == CCX_TRUE)
 			{

src/lib_ccx/lib_ccx.c

@@ -215,7 +215,7 @@ void dinit_libraries( struct lib_ccx_ctx **ctx)
 			dvbsub_close_decoder(&dec_ctx->private_data);
 		//Test memory for teletext
 		else if (dec_ctx->codec == CCX_CODEC_TELETEXT)
-			telxcc_close(&dec_ctx->private_data, NULL);
+			telxcc_close(&dec_ctx->private_data, &dec_ctx->dec_sub);
 		else if (dec_ctx->codec == CCX_CODEC_ISDB_CC)
 			delete_isdb_decoder(&dec_ctx->private_data);
 

src/lib_ccx/telxcc.c

@@ -50,7 +50,7 @@ int _CRT_fmode = _O_BINARY;
 #endif
 
 long long int last_pes_pts = 0; // PTS of last PES packet (debug purposes)
-
+static int de_ctr = 0; // a keeps count of packets with flag subtitle ON and data packets
 typedef struct {
 	uint64_t show_timestamp; // show at timestamp (in ms)
 	uint64_t hide_timestamp; // hide at timestamp (in ms)
@@ -956,7 +956,7 @@ void process_telx_packet(struct TeletextCtx *ctx, data_unit_t data_unit_id, tele
 	if (m == 0) m = 8;
 	y = (address >> 3) & 0x1f;
 	designation_code = (y > 25) ? unham_8_4(packet->data[0]) : 0x00;
-
+	uint8_t flag_subtitle;
 	if (y == 0)
 	{
 
@@ -984,7 +984,7 @@ void process_telx_packet(struct TeletextCtx *ctx, data_unit_t data_unit_id, tele
 		{
 			tlt_config.page = (m << 8) | (unham_8_4(packet->data[1]) << 4) | unham_8_4(packet->data[0]);
 			mprint ("- No teletext page specified, first received suitable page is %03x, not guaranteed\n", tlt_config.page);
-		}
+			}
 
 		// Page number and control bits
 		page_number = (m << 8) | (unham_8_4(packet->data[1]) << 4) | unham_8_4(packet->data[0]);
@@ -1003,18 +1003,19 @@ void process_telx_packet(struct TeletextCtx *ctx, data_unit_t data_unit_id, tele
 		ctx->transmission_mode = (transmission_mode_t) (unham_8_4(packet->data[7]) & 0x01);
 
 		// FIXME: Well, this is not ETS 300 706 kosher, however we are interested in DATA_UNIT_EBU_TELETEXT_SUBTITLE only
-		if ((ctx->transmission_mode == TRANSMISSION_MODE_PARALLEL) && (data_unit_id != DATA_UNIT_EBU_TELETEXT_SUBTITLE)) return;
+		if ((ctx->transmission_mode == TRANSMISSION_MODE_PARALLEL) && (data_unit_id != DATA_UNIT_EBU_TELETEXT_SUBTITLE) && !(de_ctr && flag_subtitle && ctx->receiving_data == YES)) return;
 
 		if ((ctx->receiving_data == YES) && (
 			((ctx->transmission_mode == TRANSMISSION_MODE_SERIAL) && (PAGE(page_number) != PAGE(tlt_config.page))) ||
 			((ctx->transmission_mode == TRANSMISSION_MODE_PARALLEL) && (PAGE(page_number) != PAGE(tlt_config.page)) && (m == MAGAZINE(tlt_config.page)))))
 		{
 			ctx->receiving_data = NO;
-			return;
+			if(!(de_ctr && flag_subtitle))
+			  return;
 		}
 
 		// Page transmission is terminated, however now we are waiting for our new page
-		if (page_number != tlt_config.page)
+		if (page_number != tlt_config.page && !(de_ctr && flag_subtitle && ctx->receiving_data == YES))
 			return;
 
 
@@ -1037,6 +1038,7 @@ void process_telx_packet(struct TeletextCtx *ctx, data_unit_t data_unit_id, tele
 				ctx->page_buffer.hide_timestamp = 0;
 			}
 			process_page(ctx, &ctx->page_buffer, sub);
+			de_ctr = 0;
 		}
 
 		ctx->page_buffer.show_timestamp = timestamp;
@@ -1073,6 +1075,7 @@ void process_telx_packet(struct TeletextCtx *ctx, data_unit_t data_unit_id, tele
 				ctx->page_buffer.text[y][i] = packet->data[i];
 		}
 		ctx->page_buffer.tainted = YES;
+		--de_ctr;
 	}
 	else if ((m == MAGAZINE(tlt_config.page)) && (y == 26) && (ctx->receiving_data == YES))
 	{