[FEAT] added demuxer and file_functions module

docs/CHANGES.TXT

@@ -5,6 +5,7 @@
 - Fix: Segmentation faults on XDS files
 - Fix: Clippy Errors Based on Rust 1.88
 - IMPROVEMENT: Refactor and optimize Dockerfile
+- New: Add demuxer and file_functions module in lib_ccxr (#1662)
 - Fix: Improved handling of IETF language tags in Matroska files (#1665)
 - New: Create unit test for rust code (#1615)
 - Breaking: Major argument flags revamp for CCExtractor (#1564 & #1619)

src/lib_ccx/ccx_demuxer.c

@@ -3,9 +3,20 @@
 #include "lib_ccx.h"
 #include "utility.h"
 #include "ffmpeg_intgr.h"
+#ifndef DISABLE_RUST
+void ccxr_demuxer_reset(struct ccx_demuxer *ctx);
+void ccxr_demuxer_close(struct ccx_demuxer *ctx);
+int ccxr_demuxer_isopen(const struct ccx_demuxer *ctx);
+int ccxr_demuxer_open(struct ccx_demuxer *ctx, const char *file);
+LLONG ccxr_demuxer_get_file_size(struct ccx_demuxer *ctx);
+void ccxr_demuxer_print_cfg(const struct ccx_demuxer *ctx);
+#endif
 
 static void ccx_demuxer_reset(struct ccx_demuxer *ctx)
 {
+#ifndef DISABLE_RUST
+	ccxr_demuxer_reset(ctx);
+#else
 	ctx->startbytes_pos = 0;
 	ctx->startbytes_avail = 0;
 	ctx->num_of_PIDs = 0;
@@ -17,25 +28,38 @@ static void ccx_demuxer_reset(struct ccx_demuxer *ctx)
 	}
 	memset(ctx->stream_id_of_each_pid, 0, (MAX_PSI_PID + 1) * sizeof(uint8_t));
 	memset(ctx->PIDs_programs, 0, 65536 * sizeof(struct PMT_entry *));
+#endif
 }
 
 static void ccx_demuxer_close(struct ccx_demuxer *ctx)
 {
+#ifndef DISABLE_RUST
+	ccxr_demuxer_close(ctx);
+#else
 	ctx->past = 0;
 	if (ctx->infd != -1 && ccx_options.input_source == CCX_DS_FILE)
 	{
 		close(ctx->infd);
 		ctx->infd = -1;
 		activity_input_file_closed();
 	}
+#endif
 }
 
 static int ccx_demuxer_isopen(struct ccx_demuxer *ctx)
 {
+#ifndef DISABLE_RUST
+	return ccxr_demuxer_isopen(ctx);
+#else
 	return ctx->infd != -1;
+#endif
 }
+
 static int ccx_demuxer_open(struct ccx_demuxer *ctx, const char *file)
 {
+#ifndef DISABLE_RUST
+	return ccxr_demuxer_open(ctx, file);
+#else
 	ctx->past = 0;
 	ctx->min_global_timestamp = 0;
 	ctx->global_timestamp_inited = 0;
@@ -193,9 +217,14 @@ static int ccx_demuxer_open(struct ccx_demuxer *ctx, const char *file)
 	}
 
 	return 0;
+#endif
 }
+
 LLONG ccx_demuxer_get_file_size(struct ccx_demuxer *ctx)
 {
+#ifndef DISABLE_RUST
+	return ccxr_demuxer_get_file_size(ctx);
+#else
 	LLONG ret = 0;
 	int in = ctx->infd;
 	LLONG current = LSEEK(in, 0, SEEK_CUR);
@@ -208,6 +237,7 @@ LLONG ccx_demuxer_get_file_size(struct ccx_demuxer *ctx)
 		return -1;
 
 	return length;
+#endif
 }
 
 static int ccx_demuxer_get_stream_mode(struct ccx_demuxer *ctx)
@@ -217,6 +247,9 @@ static int ccx_demuxer_get_stream_mode(struct ccx_demuxer *ctx)
 
 static void ccx_demuxer_print_cfg(struct ccx_demuxer *ctx)
 {
+#ifndef DISABLE_RUST
+	ccxr_demuxer_print_cfg(ctx);
+#else
 	switch (ctx->auto_stream)
 	{
 		case CCX_SM_ELEMENTARY_OR_NOT_FOUND:
@@ -261,6 +294,7 @@ static void ccx_demuxer_print_cfg(struct ccx_demuxer *ctx)
 			fatal(CCX_COMMON_EXIT_BUG_BUG, "BUG: Unknown stream mode. Please file a bug report on Github.\n");
 			break;
 	}
+#endif
 }
 
 void ccx_demuxer_delete(struct ccx_demuxer **ctx)
@@ -407,4 +441,4 @@ struct demuxer_data *alloc_demuxer_data(void)
 	data->next_stream = 0;
 	data->next_program = 0;
 	return data;
-}
+}

src/lib_ccx/ccx_demuxer_mxf.c

@@ -14,13 +14,6 @@
 #define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
 #define IS_KLV_KEY_ANY_VERSION(x, y) (!memcmp(x, y, 7) && !memcmp(x + 8, y + 8, sizeof(y) - 8))
 
-enum MXFCaptionType
-{
-	MXF_CT_VBI,
-	MXF_CT_ANC,
-};
-
-typedef uint8_t UID[16];
 typedef struct KLVPacket
 {
 	UID key;
@@ -35,29 +28,12 @@ typedef struct MXFCodecUL
 
 typedef int ReadFunc(struct ccx_demuxer *ctx, uint64_t size);
 
-typedef struct
-{
-	int track_id;
-	uint8_t track_number[4];
-} MXFTrack;
-
 typedef struct MXFReadTableEntry
 {
 	const UID key;
 	ReadFunc *read;
 } MXFReadTableEntry;
 
-typedef struct MXFContext
-{
-	enum MXFCaptionType type;
-	int cap_track_id;
-	UID cap_essence_key;
-	MXFTrack tracks[32];
-	int nb_tracks;
-	int cap_count;
-	struct ccx_rational edit_rate;
-} MXFContext;
-
 typedef struct MXFLocalTAGS
 {
 	uint16_t tag;

src/lib_ccx/ccx_demuxer_mxf.h

@@ -3,6 +3,31 @@
 
 #include "ccx_demuxer.h"
 
-int ccx_probe_mxf(struct ccx_demuxer *ctx);
-struct MXFContext *ccx_mxf_init(struct ccx_demuxer *demux);
+typedef uint8_t UID[16];
+
+enum MXFCaptionType
+{
+    MXF_CT_VBI,
+    MXF_CT_ANC,
+};
+
+typedef struct
+{
+    int track_id;
+    uint8_t track_number[4];
+} MXFTrack;
+
+typedef struct MXFContext
+{
+    enum MXFCaptionType type;
+    int cap_track_id;
+    UID cap_essence_key;
+    MXFTrack tracks[32];
+    int nb_tracks;
+    int cap_count;
+    struct ccx_rational edit_rate;
+} MXFContext;
+
+int ccx_probe_mxf(struct ccx_demuxer* ctx);
+struct MXFContext* ccx_mxf_init(struct ccx_demuxer* demux);
 #endif