From dd563895851aca5e7a6504f1fc0264a341ab9eab Mon Sep 17 00:00:00 2001
From: Alexey Yakovenko <waker@users.sourceforge.net>
Date: Sat, 21 Jun 2014 13:54:46 +0200
Subject: converter: write correct data size into wav files, clip to 0xffffffff
 if doesn't fit in 32 bit

---
 plugins/converter/converter.c | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/plugins/converter/converter.c b/plugins/converter/converter.c
index 18b68d68..46307116 100644
--- a/plugins/converter/converter.c
+++ b/plugins/converter/converter.c
@@ -970,10 +970,10 @@ convert (DB_playItem_t *it, const char *out, int output_bps, int output_is_float
 
             // write wave header
             char wavehdr_int[] = {
-                0x52, 0x49, 0x46, 0x46, 0x24, 0x70, 0x0d, 0x00, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61
+                0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61
             };
             char wavehdr_float[] = {
-                0x52, 0x49, 0x46, 0x46, 0x2a, 0xdf, 0x02, 0x00, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20, 0x28, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x02, 0x00, 0x40, 0x1f, 0x00, 0x00, 0x00, 0xfa, 0x00, 0x00, 0x08, 0x00, 0x20, 0x00, 0x16, 0x00, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71, 0x66, 0x61, 0x63, 0x74, 0x04, 0x00, 0x00, 0x00, 0xc5, 0x5b, 0x00, 0x00, 0x64, 0x61, 0x74, 0x61
+                0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20, 0x28, 0x00, 0x00, 0x00, 0xfe, 0xff, 0x02, 0x00, 0x40, 0x1f, 0x00, 0x00, 0x00, 0xfa, 0x00, 0x00, 0x08, 0x00, 0x20, 0x00, 0x16, 0x00, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71, 0x66, 0x61, 0x63, 0x74, 0x04, 0x00, 0x00, 0x00, 0xc5, 0x5b, 0x00, 0x00, 0x64, 0x61, 0x74, 0x61
             };
             char *wavehdr = output_is_float ? wavehdr_float : wavehdr_int;
             int wavehdr_size = output_is_float ? sizeof (wavehdr_float) : sizeof (wavehdr_int);
@@ -1054,9 +1054,9 @@ convert (DB_playItem_t *it, const char *out, int output_bps, int output_is_float
                 outsize += sz;
 
                 if (!header_written) {
-                    uint32_t size = (it->endsample-it->startsample) * outch * output_bps / 8;
+                    uint64_t size = (int64_t)(it->endsample-it->startsample) * outch * output_bps / 8;
                     if (!size) {
-                        size = deadbeef->pl_get_item_duration (it) * fileinfo->fmt.samplerate * outch * output_bps / 8;
+                        size = (double)deadbeef->pl_get_item_duration (it) * fileinfo->fmt.samplerate * outch * output_bps / 8;
 
                     }
 
@@ -1067,20 +1067,38 @@ convert (DB_playItem_t *it, const char *out, int output_bps, int output_is_float
                         size  = temp;
                     }
 
+                    uint64_t chunksize;
+                    chunksize = size + 36;
+
+                    // for float, add 36 more
+                    if (output_is_float) {
+                        chunksize += 36;
+                    }
+
+                    uint32_t size32 = 0xffffffff;
+                    if (chunksize <= 0xffffffff) {
+                        size32 = chunksize;
+                    }
+                    memcpy (&wavehdr[4], &size32, 4);
                     memcpy (&wavehdr[22], &outch, 2);
                     memcpy (&wavehdr[24], &outsr, 4);
                     uint16_t blockalign = outch * output_bps / 8;
                     memcpy (&wavehdr[32], &blockalign, 2);
                     memcpy (&wavehdr[34], &output_bps, 2);
 
+                    size32 = 0xffffffff;
+                    if (size <= 0xffffffff) {
+                        size32 = size;
+                    }
+
                     if (wavehdr_size != write (temp_file, wavehdr, wavehdr_size)) {
                         fprintf (stderr, "converter: wave header write error\n");
                         goto error;
                     }
                     if (encoder_preset->method == DDB_ENCODER_METHOD_PIPE) {
-                        size = 0;
+                        size32 = 0;
                     }
-                    if (write (temp_file, &size, sizeof (size)) != sizeof (size)) {
+                    if (write (temp_file, &size32, sizeof (size32)) != sizeof (size32)) {
                         fprintf (stderr, "converter: wave header size write error\n");
                         goto error;
                     }
-- 
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