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authorGregory Maxwell <greg@xiph.org>2011-10-27 04:05:56 +0400
committerGregory Maxwell <greg@xiph.org>2011-10-27 04:05:56 +0400
commit38805f35d572833e9a54ad247c72aeb93619b1da (patch)
tree6356e2989cb7aa66e5716a83438a37fc4fdd3d35 /src/repacketizer_demo.c
parenta5ff49ecdcf8db706b9d163e64b65c5eae1020de (diff)
Rename test_repacketizer to repacketizer_demo.
Diffstat (limited to 'src/repacketizer_demo.c')
-rw-r--r--src/repacketizer_demo.c163
1 files changed, 163 insertions, 0 deletions
diff --git a/src/repacketizer_demo.c b/src/repacketizer_demo.c
new file mode 100644
index 00000000..6554c8cb
--- /dev/null
+++ b/src/repacketizer_demo.c
@@ -0,0 +1,163 @@
+
+
+#include "opus.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_PACKETOUT 32000
+
+void usage(char *argv0)
+{
+ fprintf(stderr, "usage: %s [options] input_file output_file\n", argv0);
+}
+
+static void int_to_char(opus_uint32 i, unsigned char ch[4])
+{
+ ch[0] = i>>24;
+ ch[1] = (i>>16)&0xFF;
+ ch[2] = (i>>8)&0xFF;
+ ch[3] = i&0xFF;
+}
+
+static opus_uint32 char_to_int(unsigned char ch[4])
+{
+ return ((opus_uint32)ch[0]<<24) | ((opus_uint32)ch[1]<<16)
+ | ((opus_uint32)ch[2]<< 8) | (opus_uint32)ch[3];
+}
+
+int main(int argc, char *argv[])
+{
+ int i, eof=0;
+ FILE *fin, *fout;
+ unsigned char packets[48][1500];
+ int len[48];
+ int rng[48];
+ OpusRepacketizer *rp;
+ unsigned char output_packet[MAX_PACKETOUT];
+ int merge = 1, split=0;
+
+ if (argc < 3)
+ {
+ usage(argv[0]);
+ return 1;
+ }
+ for (i=1;i<argc-2;i++)
+ {
+ if (strcmp(argv[i], "-merge")==0)
+ {
+ merge = atoi(argv[i+1]);
+ if(merge<1)
+ {
+ fprintf(stderr, "-merge parameter must be at least 1.\n");
+ return 1;
+ }
+ i++;
+ } else if (strcmp(argv[i], "-split")==0)
+ split = 1;
+ else
+ {
+ fprintf(stderr, "Unknown option: %s\n", argv[i]);
+ usage(argv[0]);
+ return 1;
+ }
+ }
+ fin = fopen(argv[argc-2], "r");
+ if(fin==NULL)
+ {
+ fprintf(stderr, "Error opening input file: %s\n", argv[argc-2]);
+ return 1;
+ }
+ fout = fopen(argv[argc-1], "w");
+ if(fout==NULL)
+ {
+ fprintf(stderr, "Error opening output file: %s\n", argv[argc-1]);
+ return 1;
+ }
+
+ rp = opus_repacketizer_create();
+ while (!eof)
+ {
+ int err;
+ int nb_packets=merge;
+ opus_repacketizer_init(rp);
+ for (i=0;i<nb_packets;i++)
+ {
+ unsigned char ch[4];
+ err = fread(ch, 1, 4, fin);
+ len[i] = char_to_int(ch);
+ /*fprintf(stderr, "in len = %d\n", len[i]);*/
+ if (len[i]>1500 || len[i]<0)
+ {
+ if (feof(fin))
+ {
+ eof = 1;
+ } else {
+ fprintf(stderr, "Invalid payload length\n");
+ return 1;
+ }
+ break;
+ }
+ err = fread(ch, 1, 4, fin);
+ rng[i] = char_to_int(ch);
+ err = fread(packets[i], 1, len[i], fin);
+ if (feof(fin))
+ {
+ eof = 1;
+ break;
+ }
+ err = opus_repacketizer_cat(rp, packets[i], len[i]);
+ if (err!=OPUS_OK)
+ {
+ fprintf(stderr, "opus_repacketizer_cat() failed: %s\n", opus_strerror(err));
+ break;
+ }
+ }
+ nb_packets = i;
+
+ if (eof)
+ break;
+
+ if (!split)
+ {
+ err = opus_repacketizer_out(rp, output_packet, MAX_PACKETOUT);
+ if (err>0) {
+ unsigned char int_field[4];
+ int_to_char(err, int_field);
+ fwrite(int_field, 1, 4, fout);
+ int_to_char(rng[nb_packets-1], int_field);
+ fwrite(int_field, 1, 4, fout);
+ fwrite(output_packet, 1, err, fout);
+ /*fprintf(stderr, "out len = %d\n", err);*/
+ } else {
+ fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err));
+ }
+ } else {
+ int nb_frames = opus_repacketizer_get_nb_frames(rp);
+ for (i=0;i<nb_frames;i++)
+ {
+ err = opus_repacketizer_out_range(rp, i, i+1, output_packet, MAX_PACKETOUT);
+ if (err>0) {
+ unsigned char int_field[4];
+ int_to_char(err, int_field);
+ fwrite(int_field, 1, 4, fout);
+ if (i==nb_frames-1)
+ int_to_char(rng[nb_packets-1], int_field);
+ else
+ int_to_char(0, int_field);
+ fwrite(int_field, 1, 4, fout);
+ fwrite(output_packet, 1, err, fout);
+ /*fprintf(stderr, "out len = %d\n", err);*/
+ } else {
+ fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err));
+ }
+
+ }
+ }
+
+ }
+
+ fclose(fin);
+ fclose(fout);
+ return 0;
+}