# HG changeset patch
# User Ryan C. Gordon <icculus@icculus.org>
# Date 1021887698 0
# Node ID 8ba541e81c1e2d00d62118aafb1358f9ca0a3952
# Parent  e683cb99f88fd71791a85776a430a2484c673bd3
seek method implementation.

diff -r e683cb99f88f -r 8ba541e81c1e decoders/aiff.c
--- a/decoders/aiff.c	Mon May 20 09:40:59 2002 +0000
+++ b/decoders/aiff.c	Mon May 20 09:41:38 2002 +0000
@@ -101,6 +101,7 @@
     void (*free)(struct S_AIFF_FMT_T *fmt);
     Uint32 (*read_sample)(Sound_Sample *sample);
     int (*rewind_sample)(Sound_Sample *sample);
+    int (*seek_sample)(Sound_Sample *sample, Uint32 ms);
 
 
 #if 0
@@ -332,6 +333,20 @@
 } /* rewind_sample_fmt_normal */
 
 
+static int seek_sample_fmt_normal(Sound_Sample *sample, Uint32 ms)
+{
+    Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
+    aiff_t *a = (aiff_t *) internal->decoder_private;
+    fmt_t *fmt = &a->fmt;
+    int offset = __Sound_convertMsToBytePos(&sample->actual, ms);
+    int pos = (int) (fmt->data_starting_offset + offset);
+    int rc = SDL_RWseek(internal->rw, pos, SEEK_SET);
+    BAIL_IF_MACRO(rc != pos, ERR_IO_ERROR, 0);
+    a->bytesLeft = fmt->total_bytes - offset;
+    return(1);  /* success. */
+} /* seek_sample_fmt_normal */
+
+
 static void free_fmt_normal(fmt_t *fmt)
 {
     /* it's a no-op. */
@@ -344,6 +359,7 @@
     fmt->free = free_fmt_normal;
     fmt->read_sample = read_sample_fmt_normal;
     fmt->rewind_sample = rewind_sample_fmt_normal;
+    fmt->seek_sample = seek_sample_fmt_normal;
     return(1);
 } /* read_fmt_normal */
 
@@ -509,7 +525,7 @@
     a->fmt.data_starting_offset = SDL_RWtell(rw);
     internal->decoder_private = (void *) a;
 
-    sample->flags = SOUND_SAMPLEFLAG_NONE;
+    sample->flags = SOUND_SAMPLEFLAG_CANSEEK;
 
     SNDDBG(("AIFF: Accepting data stream.\n"));
     return(1); /* we'll handle this data. */
@@ -547,7 +563,9 @@
 
 static int AIFF_seek(Sound_Sample *sample, Uint32 ms)
 {
-    BAIL_MACRO("!!! FIXME: Not implemented", 0);
+    Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
+    aiff_t *a = (aiff_t *) internal->decoder_private;
+    return(a->fmt.seek_sample(sample, ms));
 } /* AIFF_seek */
 
 #endif /* SOUND_SUPPORTS_AIFF */