feat : module decoder_vbi added in lib_ccxr

Author: vats004

src/lib_ccx/ccx_decoders_vbi.c

@@ -5,15 +5,44 @@
 #include "utility.h"
 #include "stdlib.h"
 
+#ifndef DISABLE_RUST
+
+extern void ccxr_delete_decoder_vbi(
+    struct ccx_decoder_vbi_ctx **arg);
+
+extern struct ccx_decoder_vbi_ctx *ccxr_init_decoder_vbi(
+    struct ccx_decoder_vbi_cfg *cfg);
+
+extern int ccxr_decode_vbi(
+    struct lib_cc_decode *dec_ctx,
+    uint8_t field,
+    unsigned char *buffer,
+    size_t len,
+    struct cc_subtitle *sub);
+
+#endif
+
 void delete_decoder_vbi(struct ccx_decoder_vbi_ctx **arg)
 {
+#ifndef DISABLE_RUST
+	ccxr_delete_decoder_vbi(arg);
+#else
 	struct ccx_decoder_vbi_ctx *ctx = *arg;
 	vbi_raw_decoder_destroy(&ctx->zvbi_decoder);
 
 	freep(arg);
+#endif
 }
+
 struct ccx_decoder_vbi_ctx *init_decoder_vbi(struct ccx_decoder_vbi_cfg *cfg)
 {
+#ifndef DISABLE_RUST
+	struct ccx_decoder_vbi_ctx *vbi = ccxr_init_decoder_vbi(cfg);
+	if (vbi == NULL)
+	{
+		return NULL;
+	}
+#else
 	struct ccx_decoder_vbi_ctx *vbi;
 
 	vbi = malloc(sizeof(*vbi));
@@ -61,10 +90,14 @@ struct ccx_decoder_vbi_ctx *init_decoder_vbi(struct ccx_decoder_vbi_cfg *cfg)
 		vbi_raw_decoder_add_services(&vbi->zvbi_decoder, VBI_SLICED_CAPTION_525, /* strict */ 0);
 	}
 	return vbi;
+#endif
 }
 
 int decode_vbi(struct lib_cc_decode *dec_ctx, uint8_t field, unsigned char *buffer, size_t len, struct cc_subtitle *sub)
 {
+#ifndef DISABLE_RUST
+	return ccxr_decode_vbi(dec_ctx, field, buffer, len, sub);
+#else
 	int i = 0;
 	unsigned int n_lines;
 	vbi_sliced sliced[52];
@@ -96,4 +129,5 @@ int decode_vbi(struct lib_cc_decode *dec_ctx, uint8_t field, unsigned char *buff
 		}
 	}
 	return CCX_OK;
+#endif
 }

src/rust/lib_ccxr/Cargo.toml

@@ -15,6 +15,7 @@ strum = "0.26.3"
 strum_macros = "0.26.4"
 crc32fast = "1.4.2"
 num_enum = "0.6.1"
+libc = { version = "0.2.138", features = ["extra_traits"] }        # for FILE
 
 [features]
 default = [

src/rust/lib_ccxr/src/decoder_vbi/exit_codes.rs

@@ -0,0 +1,102 @@
+// Status codes
+pub const CCX_OK: i64 = 0;
+pub const CCX_FALSE: i64 = 0;
+pub const CCX_TRUE: i64 = 1;
+pub const CCX_EAGAIN: i64 = -100;
+pub const CCX_EOF: i64 = -101;
+pub const CCX_EINVAL: i64 = -102;
+pub const CCX_ENOSUPP: i64 = -103;
+pub const CCX_ENOMEM: i64 = -104;
+
+pub const NUM_BYTES_PER_PACKET: i64 = 35; // Class + type (repeated for convenience) + data + zero
+pub const NUM_XDS_BUFFERS: i64 = 9; // CEA recommends no more than one level of interleaving. Play it safe
+
+pub const MAXBFRAMES: usize = 50;
+pub const SORTBUF: usize = 2 * MAXBFRAMES + 1;
+
+// Time at which we switched to XDS mode, -1 means it hasn't happened yet
+pub const TS_START_OF_XDS: i64 = -1;
+
+// Exit codes
+pub const EXIT_OK: i64 = 0;
+pub const EXIT_NO_INPUT_FILES: i64 = 2;
+pub const EXIT_TOO_MANY_INPUT_FILES: i64 = 3;
+pub const EXIT_INCOMPATIBLE_PARAMETERS: i64 = 4;
+pub const EXIT_UNABLE_TO_DETERMINE_FILE_SIZE: i64 = 6;
+pub const EXIT_MALFORMED_PARAMETER: i64 = 7;
+pub const EXIT_READ_ERROR: i64 = 8;
+pub const EXIT_NO_CAPTIONS: i64 = 10;
+pub const EXIT_WITH_HELP: i64 = 11;
+pub const EXIT_NOT_CLASSIFIED: i64 = 300;
+pub const EXIT_ERROR_IN_CAPITALIZATION_FILE: i64 = 501;
+pub const EXIT_BUFFER_FULL: i64 = 502;
+pub const EXIT_MISSING_ASF_HEADER: i64 = 1001;
+pub const EXIT_MISSING_RCWT_HEADER: i64 = 1002;
+
+// Common exit codes
+pub const CCX_COMMON_EXIT_FILE_CREATION_FAILED: i64 = 5;
+pub const CCX_COMMON_EXIT_UNSUPPORTED: i64 = 9;
+pub const EXIT_NOT_ENOUGH_MEMORY: i64 = 500;
+pub const CCX_COMMON_EXIT_BUG_BUG: i64 = 1000;
+
+// Define max width in characters/columns on the screen
+pub const CCX_DECODER_608_SCREEN_ROWS: usize = 15;
+pub const CCX_DECODER_608_SCREEN_WIDTH: usize = 32;
+
+//isdb, vbi common codes
+pub const CCX_DTVCC_MAX_SERVICES: usize = 63;
+pub const CCX_DTVCC_MAX_WINDOWS: usize = 8;
+pub const CCX_DTVCC_MAX_ROWS: usize = 15;
+pub const CCX_DTVCC_SCREENGRID_COLUMNS: usize = 210;
+pub const CCX_DTVCC_MAX_PACKET_LENGTH: usize = 128;
+pub const CCX_DTVCC_SCREENGRID_ROWS: usize = 75;
+
+pub const CCX_MESSAGES_QUIET: i32 = 0;
+pub const CCX_MESSAGES_STDOUT: i32 = 1;
+pub const CCX_MESSAGES_STDERR: i32 = 2;
+
+// vbi specific codes
+
+pub const _VBI3_RAW_DECODER_MAX_JOBS: usize = 8;
+
+pub const VBI_SLICED_CAPTION_525_F1: u32 = 0x00000020;
+pub const VBI_SLICED_CAPTION_525_F2: u32 = 0x00000040;
+pub const VBI_SLICED_CAPTION_525: u32 = VBI_SLICED_CAPTION_525_F1 | VBI_SLICED_CAPTION_525_F2;
+
+pub const VBI_SLICED_VBI_525: u32 = 0x40000000;
+pub const VBI_SLICED_VBI_625: u32 = 0x20000000;
+pub const _VBI3_RAW_DECODER_MAX_WAYS: usize = 8;
+
+pub const VBI_SLICED_TELETEXT_B_L10_625: u32 = 0x00000001;
+pub const VBI_SLICED_TELETEXT_B_L25_625: u32 = 0x00000002;
+pub const VBI_SLICED_TELETEXT_B: u32 =
+    VBI_SLICED_TELETEXT_B_L10_625 | VBI_SLICED_TELETEXT_B_L25_625;
+
+pub const VBI_SLICED_CAPTION_625_F1: u32 = 0x00000008;
+pub const VBI_SLICED_CAPTION_625_F2: u32 = 0x00000010;
+pub const VBI_SLICED_CAPTION_625: u32 = VBI_SLICED_CAPTION_625_F1 | VBI_SLICED_CAPTION_625_F2;
+
+pub const VBI_SLICED_VPS: u32 = 0x00000004;
+pub const VBI_SLICED_VPS_F2: u32 = 0x00001000;
+
+pub const VBI_SLICED_WSS_625: u32 = 0x00000400;
+
+pub const CCX_DMT_PARSE: i32 = 1;
+
+pub const VBI_VIDEOSTD_SET_EMPTY: u64 = 0;
+pub const VBI_VIDEOSTD_SET_PAL_BG: u64 = 1;
+pub const VBI_VIDEOSTD_SET_625_50: u64 = 1;
+pub const VBI_VIDEOSTD_SET_525_60: u64 = 2;
+pub const VBI_VIDEOSTD_SET_ALL: u64 = 3;
+pub const VBI_SLICED_TELETEXT_A: u32 = 0x00002000;
+pub const VBI_SLICED_TELETEXT_C_625: u32 = 0x00004000;
+pub const VBI_SLICED_TELETEXT_D_625: u32 = 0x00008000;
+pub const VBI_SLICED_TELETEXT_B_525: u32 = 0x00010000;
+pub const VBI_SLICED_TELETEXT_C_525: u32 = 0x00000100;
+pub const VBI_SLICED_TELETEXT_D_525: u32 = 0x00020000;
+pub const VBI_SLICED_2XCAPTION_525: u32 = 0x00000080; // VBI_SLICED_2xCAPTION_525
+
+pub const DEF_THR_FRAC: u32 = 9;
+pub const LP_AVG: u32 = 4;
+pub const RAW_DECODER_PATTERN_DUMP: bool = false;
+pub const VBI_SLICED_TELETEXT_BD_525: u32 = 0x00000200;