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Add aribb24 for ARIB caption support

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Closes #152
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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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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(