Changeset 357 for libmpc/trunk/mpc2sv8/mpc2sv8.c

Timestamp:

10/01/07 18:54:42 (17 years ago)

Author:

r2d

Message:

• mpc2sv8 can overwrite output (option -o)
• mpc2sv8 can output to a directory

needs to be tested and portability to windows may not be good

File:

• libmpc/trunk/mpc2sv8/mpc2sv8.c (modified) (7 diffs)

libmpc/trunk/mpc2sv8/mpc2sv8.c

@@ -35 +35 @@
 #include <mpc/mpcdec.h>
 #include <mpc/minimax.h>
+#include <getopt.h>
+
+#include <sys/types.h>
+#include <dirent.h>
+#include <libgen.h>
 
 #include "../libmpcdec/decoder.h"
@@ -44 +49 @@
 #define MPC2SV8_MAJOR 0
 #define MPC2SV8_MINOR 9
-#define MPC2SV8_BUILD 0
+#define MPC2SV8_BUILD 1
 
 #define _cat(a,b,c) #a"."#b"."#c
@@ -82 +87 @@
 usage(const char *exename)
 {
-    printf("Usage: %s <infile.mpc> <outfile.mpc>\n", exename);
-}
-
-int
-main(int argc, char **argv)
-{
-    mpc_reader reader;
+        printf("Usage:\n"
+               "%s <infile.mpc> <outfile.mpc>\n"
+               "or\n"
+               "%s <infile_1.mpc> [ <infile_2.mpc> ... <infile_n.mpc> ] <outdir>\n", exename, exename);
+}
+
+int convert(char * sv7file, char * sv8file)
+{
+        mpc_reader reader;
         mpc_demux* demux;
         mpc_streaminfo si;
@@ -99 +106 @@
         char buf[TMP_BUF_SIZE];
 
-    printf(About);
-    if(3 != argc) {
-        usage(argv[0]);
-        return 0;
-    }
-
-    err = mpc_reader_init_stdio(&reader, argv[1]);
-    if(err < 0) return !MPC_STATUS_OK;
-
-    demux = mpc_demux_init(&reader);
-    if(!demux) return !MPC_STATUS_OK;
-    mpc_demux_get_info(demux,  &si);
+        err = mpc_reader_init_stdio(&reader, sv7file);
+        if(err < 0) return err;
+
+        demux = mpc_demux_init(&reader);
+        if(!demux) {
+                err = !MPC_STATUS_OK;
+                goto READER_ERR;
+        }
+        mpc_demux_get_info(demux,  &si);
 
         if (si.stream_version >= 8) {
-                fprintf(stderr, "Error : the file \"%s\" is already a sv8 file\n", argv[1]);
-                exit(MPC_STATUS_INVALIDSV);
+                fprintf(stderr, "Error : the file \"%s\" is already a sv8 file\n", sv7file);
+                err = !MPC_STATUS_OK;
+                goto DEMUX_ERR;
         }
 
         mpc_encoder_init(&e, si.samples, 6, 1);
-        e.outputFile = fopen( argv[2], "rb" );
-        if ( e.outputFile != 0 ) {
-                fprintf(stderr, "Error : output file \"%s\" already exists\n", argv[2]);
-                exit(MPC_STATUS_FILE);
-        }
-        e.outputFile = fopen( argv[2], "w+b" );
+        e.outputFile = fopen( sv8file, "w+b" );
         e.MS_Channelmode = si.ms;
 
         // copy begining of file
-        in_file = fopen(argv[1], "rb");
-        if(in_file == 0) return !MPC_STATUS_OK;
+        in_file = fopen(sv7file, "rb");
+        if(in_file == 0) {
+                err = !MPC_STATUS_OK;
+                goto OUT_FILE_ERR;
+        }
         r_size = si.header_position;
         while(r_size) {
                 size_t tmp_size = fread(buf, 1, mini(TMP_BUF_SIZE, r_size), in_file);
                 if (fwrite(buf, 1, tmp_size, e.outputFile) != tmp_size) {
-                        fprintf(stderr, "Error writing to target file : \"%s\"\n", argv[2]);
-                        exit(MPC_STATUS_FILE);
+                        fprintf(stderr, "Error writing to target file : \"%s\"\n", sv8file);
+                        err = MPC_STATUS_FILE;
+                        goto IN_FILE_ERR;
                 }
                 r_size -= tmp_size;
@@ -143 +147 @@
         writeMagic(&e);
         writeStreamInfo( &e, si.max_band, si.ms > 0, si.samples, 0, si.sample_freq,
-                                          si.channels);
+                         si.channels);
         si_size = writeBlock(&e, "SH", MPC_TRUE, 0);
         writeGainInfo(&e, si.gain_title, si.peak_title, si.gain_album, si.peak_album);
         si_size = writeBlock(&e, "RG", MPC_FALSE, 0);
         writeEncoderInfo(&e, si.profile, si.pns, si.encoder_version / 100,
-                                          si.encoder_version % 100, 0);
+                         si.encoder_version % 100, 0);
         writeBlock(&e, "EI", MPC_FALSE, 0);
         e.seek_ptr = ftell(e.outputFile);
@@ -185 +189 @@
                 fseek(e.outputFile, e.seek_ref + 4, SEEK_SET);
                 writeStreamInfo( &e, si.max_band, si.ms > 0, demux->d->samples, 0,
-                                                  si.sample_freq, si.channels);
+                                 si.sample_freq, si.channels);
                 writeBlock(&e, "SH", MPC_TRUE, si_size);
                 fseek(e.outputFile, 0, SEEK_END);
@@ -201 +205 @@
         }
 
+IN_FILE_ERR:
+        fclose ( in_file );
+OUT_FILE_ERR:
         fclose ( e.outputFile );
-        fclose ( in_file );
+        mpc_encoder_exit(&e);
+DEMUX_ERR:
         mpc_demux_exit(demux);
+READER_ERR:
         mpc_reader_exit_stdio(&reader);
-        mpc_encoder_exit(&e);
 
         return err;
 }
+
+mpc_bool_t is_dir(char * dir_path)
+{
+        DIR * out_dir = opendir(dir_path);
+        if (out_dir != 0) {
+                closedir(out_dir);
+                return MPC_TRUE;
+        }
+        return MPC_FALSE;
+}
+
+int
+main(int argc, char **argv)
+{
+        int c, i;
+        mpc_bool_t overwrite = MPC_FALSE, use_dir = MPC_FALSE;
+        printf(About);
+        int ret = MPC_STATUS_OK;
+
+        while ((c = getopt(argc , argv, "oh")) != -1) {
+                switch (c) {
+                case 'o':
+                        overwrite = MPC_TRUE;
+                        break;
+                case 'h':
+                        usage(argv[0]);
+                        return 0;
+                }
+        }
+
+        use_dir = is_dir(argv[argc - 1]);
+
+        if((argc - optind) < 2 || (use_dir == MPC_FALSE && (argc - optind) > 2)) {
+                usage(argv[0]);
+                return 0;
+        }
+
+        for (i = optind; i < argc - 1; i++) {
+                char * in_file = argv[i];
+                char * out_file = argv[argc - 1];
+                if (use_dir == MPC_TRUE) {
+                        char * file_name = basename(in_file);
+                        out_file = malloc(strlen(file_name) + strlen(argv[argc - 1]) + 2);
+                        sprintf(out_file, "%s/%s", argv[argc - 1], file_name);
+                }
+                if (overwrite == MPC_FALSE) {
+                        FILE * test_file = fopen( out_file, "rb" );
+                        if ( test_file != 0 ) {
+                                fprintf(stderr, "Error : output file \"%s\" already exists\n", out_file);
+                                fclose(test_file);
+                                continue;
+                        }
+                }
+                // FIXME : test if in and out files are the same
+                ret = convert(in_file, out_file);
+                if (use_dir == MPC_TRUE)
+                        free(out_file);
+        }
+
+        return ret;
+}