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Add aribb24 for ARIB caption support 

Closes #152
This commit is contained in:
shirt 2022-04-26 01:54:22 +02:00 committed by BtbN
parent 71b37989a5
commit e176c33861
5 changed files with 298 additions and 0 deletions
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31
patches/aribb24/12.patch Normal file
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@ -0,0 +1,31 @@
From a5bcc6d17c20e18bdeec295089cc0cdfac9d35c8 Mon Sep 17 00:00:00 2001
From: xtne6f <xt4ubq@gmail.com>
Date: Thu, 7 Feb 2019 20:11:13 +0900
Subject: [PATCH] Fix default macros
---
src/decoder_macro.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/decoder_macro.h b/src/decoder_macro.h
index 86edee4..513b81e 100644
--- a/src/decoder_macro.h
+++ b/src/decoder_macro.h
@@ -30,7 +30,7 @@ static const unsigned char decoder_default_macro_1[] = {
0x1B,0x24,0x39,0x1B,0x29,0x31,0x1B,0x2A,0x30,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
};
static const unsigned char decoder_default_macro_2[] = {
- 0x1B,0x24,0x39,0x1B,0x29,0x20,0x40,0x1B,0x2A,0x30,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
+ 0x1B,0x24,0x39,0x1B,0x29,0x20,0x41,0x1B,0x2A,0x30,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
};
static const unsigned char decoder_default_macro_3[] = {
0x1B,0x28,0x32,0x1B,0x29,0x34,0x1B,0x2A,0x35,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
@@ -39,7 +39,7 @@ static const unsigned char decoder_default_macro_4[] = {
0x1B,0x28,0x32,0x1B,0x29,0x33,0x1B,0x2A,0x35,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
};
static const unsigned char decoder_default_macro_5[] = {
- 0x1B,0x28,0x32,0x1B,0x29,0x20,0x40,0x1B,0x2A,0x35,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
+ 0x1B,0x28,0x32,0x1B,0x29,0x20,0x41,0x1B,0x2A,0x35,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D
};
static const unsigned char decoder_default_macro_6[] = {
0x1B,0x28,0x20,0x41,0x1B,0x29,0x20,0x42,0x1B,0x2A,0x20,0x43,0x1B,0x2B,0x20,0x70,0x0F,0x1B,0x7D

23
patches/aribb24/13.patch Normal file
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@ -0,0 +1,23 @@
From facc51923d43f26dec09a9391566de7cba29f8db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Ekstr=C3=B6m?= <jeebjp@gmail.com>
Date: Sun, 17 Feb 2019 22:42:31 +0200
Subject: [PATCH] decoder: reset control_time when finalizing decoder
This way finalize_decoder() can properly be utilized as a flush
function.
---
src/decoder.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/decoder.c b/src/decoder.c
index 2b77f38..24c0f06 100644
--- a/src/decoder.c
+++ b/src/decoder.c
@@ -1506,6 +1506,7 @@ void arib_finalize_decoder( arib_decoder_t* decoder )
free( p_region );
}
decoder->p_region = NULL;
+ decoder->i_control_time = 0;
}
size_t arib_decode_buffer( arib_decoder_t* decoder,

151
patches/aribb24/17.patch Normal file
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@ -0,0 +1,151 @@
From 58a34b8fabf4d0e9e1984fb603a97f52fb934a09 Mon Sep 17 00:00:00 2001
From: scimmia9286 <scimmia9286@yahoo.co.jp>
Date: Thu, 22 Apr 2021 20:26:45 +0900
Subject: [PATCH] Fixed DRCS parser bug
---
src/decoder.c | 3 ++-
src/drcs.c | 12 ++++++++----
src/drcs.h | 2 +-
src/parser.c | 25 +++++++++++++++++++++----
4 files changed, 32 insertions(+), 10 deletions(-)
diff --git a/src/decoder.c b/src/decoder.c
index 2b77f38..c9d6ac3 100644
--- a/src/decoder.c
+++ b/src/decoder.c
@@ -1139,9 +1139,10 @@ static int decoder_handle_time( arib_decoder_t *decoder )
return 1;
break;
default:
- if( i_mode == 1 && c >= 0x40 && c <= 0x7F )
+ if( i_mode == 1 && c >= 0x40 && c <= 0x7F ) {
decoder->i_control_time += c & 0x3f;
return 1;
+ }
return 0;
}
if( i_mode == 0 )
diff --git a/src/drcs.c b/src/drcs.c
index 114d846..8ff8d4f 100644
--- a/src/drcs.c
+++ b/src/drcs.c
@@ -406,15 +406,19 @@ static void save_drcs_pattern_data_image(
void save_drcs_pattern(
arib_instance_t *p_instance,
int i_width, int i_height,
- int i_depth, const int8_t* p_patternData )
+ int i_depth, const int8_t* p_patternData,
+ int16_t i_CharacterCode )
{
+// int i_drcsPage = (i_CharacterCode >> 16) & 0xff;
+ int i_code = (i_CharacterCode & 0xff) - 0x20;
char* psz_hash = get_drcs_pattern_data_hash( p_instance,
i_width, i_height, i_depth, p_patternData );
- strncpy( p_instance->p->drcs_hash_table[p_instance->p->i_drcs_num], psz_hash, 32 );
- p_instance->p->drcs_hash_table[p_instance->p->i_drcs_num][32] = '\0';
+ strncpy( p_instance->p->drcs_hash_table[i_code-1], psz_hash, 32 );
+ p_instance->p->drcs_hash_table[i_code-1][32] = '\0';
- p_instance->p->i_drcs_num++;
+ p_instance->p->i_drcs_num = i_code > p_instance->p->i_drcs_num ?
+ i_code : p_instance->p->i_drcs_num;
save_drcs_pattern_data_image( p_instance, psz_hash,
i_width, i_height, i_depth, p_patternData );
diff --git a/src/drcs.h b/src/drcs.h
index 274ff44..9c1533e 100644
--- a/src/drcs.h
+++ b/src/drcs.h
@@ -77,6 +77,6 @@ typedef struct drcs_data_s
bool apply_drcs_conversion_table( arib_instance_t * );
bool load_drcs_conversion_table( arib_instance_t * );
-void save_drcs_pattern( arib_instance_t *, int, int, int, const int8_t* );
+void save_drcs_pattern( arib_instance_t *, int, int, int, const int8_t*, int16_t );
#endif
diff --git a/src/parser.c b/src/parser.c
index 1403dd6..6db27ae 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -79,7 +79,6 @@ static void parse_data_unit_DRCS( arib_parser_t *p_parser, bs_t *p_bs,
uint8_t i_data_unit_parameter,
uint32_t i_data_unit_size )
{
- p_parser->p_instance->p->i_drcs_num = 0;
#ifdef ARIBSUB_GEN_DRCS_DATA
if( p_parser->p_drcs_data != NULL )
{
@@ -119,7 +118,7 @@ static void parse_data_unit_DRCS( arib_parser_t *p_parser, bs_t *p_bs,
for( int i = 0; i < i_NumberOfCode; i++ )
{
- bs_skip( p_bs, 16 ); /* i_character_code */
+ int16_t i_CharacterCode = bs_read( p_bs, 16 ); /* i_character_code */
p_parser->i_data_unit_size += 2;
uint8_t i_NumberOfFont = bs_read( p_bs, 8 );
p_parser->i_data_unit_size += 1;
@@ -139,7 +138,11 @@ static void parse_data_unit_DRCS( arib_parser_t *p_parser, bs_t *p_bs,
for( int j = 0; j < i_NumberOfFont; j++ )
{
+#ifdef ARIBSUB_GEN_DRCS_DATA
+ int8_t i_fontId = bs_read( p_bs, 4 ); /* i_fontID */
+#else
bs_skip( p_bs, 4 ); /* i_fontID */
+#endif //ARIBSUB_GEN_DRCS_DATA
uint8_t i_mode = bs_read( p_bs, 4 );
p_parser->i_data_unit_size += 1;
@@ -206,18 +209,26 @@ static void parse_data_unit_DRCS( arib_parser_t *p_parser, bs_t *p_bs,
#ifdef ARIBSUB_GEN_DRCS_DATA
save_drcs_pattern( p_parser->p_instance, i_width, i_height, i_depth + 2,
- p_drcs_pattern_data->p_patternData );
+ p_drcs_pattern_data->p_patternData, i_CharacterCode );
#else
save_drcs_pattern( p_parser->p_instance, i_width, i_height, i_depth + 2,
- p_patternData );
+ p_patternData, i_CharacterCode);
free( p_patternData );
#endif //ARIBSUB_GEN_DRCS_DATA
}
else
{
+#ifdef ARIBSUB_GEN_DRCS_DATA
+ int8_t i_regionX = bs_read( p_bs, 8 ); /* i_regionX */
+#else
bs_skip( p_bs, 8 ); /* i_regionX */
+#endif //ARIBSUB_GEN_DRCS_DATA
p_parser->i_data_unit_size += 1;
+#ifdef ARIBSUB_GEN_DRCS_DATA
+ int8_t i_regionY = bs_read( p_bs, 8 ); /* i_regionY */
+#else
bs_skip( p_bs, 8 ); /* i_regionY */
+#endif //ARIBSUB_GEN_DRCS_DATA
p_parser->i_data_unit_size += 1;
uint16_t i_geometricData_length = bs_read( p_bs, 16 );
p_parser->i_data_unit_size += 2;
@@ -245,7 +256,11 @@ static void parse_data_unit_DRCS( arib_parser_t *p_parser, bs_t *p_bs,
for( int k = 0; k < i_geometricData_length ; k++ )
{
+#ifdef ARIBSUB_GEN_DRCS_DATA
+ int8_t i_geometricData = bs_read( p_bs, 8 ); /* i_geometric_data */
+#else
bs_skip( p_bs, 8 ); /* i_geometric_data */
+#endif //ARIBSUB_GEN_DRCS_DATA
p_parser->i_data_unit_size += 1;
#ifdef ARIBSUB_GEN_DRCS_DATA
@@ -344,6 +359,8 @@ static void parse_caption_management_data( arib_parser_t *p_parser, bs_t *p_bs )
p_parser->i_data_unit_size = 0;
p_parser->i_subtitle_data_size = 0;
p_parser->psz_subtitle_data = NULL;
+ p_parser->p_instance->p->i_drcs_num = 0;
+ memset(p_parser->p_instance->p->drcs_hash_table, 0, sizeof(p_parser->p_instance->p->drcs_hash_table));
if( i_data_unit_loop_length > 0 )
{
p_parser->psz_subtitle_data = (unsigned char*) calloc(

37
scripts.d/50-aribb24/25-libpng.sh Executable file
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@ -0,0 +1,37 @@
#!/bin/bash
LIBPNG_REPO="https://github.com/glennrp/libpng.git"
LIBPNG_COMMIT="a37d4836519517bdce6cb9d956092321eca3e73b"
ffbuild_enabled() {
return 0
}
ffbuild_dockerbuild() {
git-mini-clone "$LIBPNG_REPO" "$LIBPNG_COMMIT" libpng
cd libpng
autoreconf -i
local myconf=(
--prefix="$FFBUILD_PREFIX"
--disable-shared
--enable-static
--with-pic
)
if [[ $TARGET == win* || $TARGET == linux* ]]; then
myconf+=(
--host="$FFBUILD_TOOLCHAIN"
)
else
echo "Unknown target"
return -1
fi
export CPPFLAGS="$CPPFLAGS -I$FFBUILD_PREFIX/include"
./configure "${myconf[@]}"
make -j$(nproc)
make install
}

56
scripts.d/50-aribb24/50-libaribb24.sh Executable file
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@ -0,0 +1,56 @@
#!/bin/bash
ARIBB24_REPO="https://github.com/nkoriyama/aribb24.git"
ARIBB24_COMMIT="5e9be272f96e00f15a2f3c5f8ba7e124862aec38"
ffbuild_enabled() {
return 0
}
ffbuild_dockerstage() {
to_df "RUN --mount=src=${SELF},dst=/stage.sh --mount=src=patches/aribb24,dst=/patches run_stage /stage.sh"
}
ffbuild_dockerbuild() {
git-mini-clone "$ARIBB24_REPO" "$ARIBB24_COMMIT" aribb24
cd aribb24
for patch in /patches/*.patch; do
echo "Applying $patch"
git am < "$patch"
done
# Library switched to LGPL on master, but didn't bump version since.
# FFmpeg checks for >1.0.3 to allow LGPL builds.
sed -i 's/1.0.3/1.0.4/' configure.ac
autoreconf -i
local myconf=(
--prefix="$FFBUILD_PREFIX"
--disable-shared
--enable-static
--with-pic
)
if [[ $TARGET == win* || $TARGET == linux* ]]; then
myconf+=(
--host="$FFBUILD_TOOLCHAIN"
)
else
echo "Unknown target"
return -1
fi
./configure "${myconf[@]}"
make -j$(nproc)
make install
}
ffbuild_configure() {
echo --enable-libaribb24
}
ffbuild_unconfigure() {
echo --disable-libaribb24
}