From 2b2ab15d0022b302e651318ad45aa6a85889a864 Mon Sep 17 00:00:00 2001
From: waker <wakeroid@gmail.com>
Date: Fri, 25 Jan 2013 22:07:00 +0100
Subject: wma: seeking WIP

---
 plugins/wma/libasf/asf.c | 12 +++++++-----
 plugins/wma/libasf/asf.h |  2 +-
 plugins/wma/wma_plugin.c | 18 +++++++++++++-----
 3 files changed, 21 insertions(+), 11 deletions(-)

(limited to 'plugins/wma')

diff --git a/plugins/wma/libasf/asf.c b/plugins/wma/libasf/asf.c
index 90c8974f..595a27ac 100644
--- a/plugins/wma/libasf/asf.c
+++ b/plugins/wma/libasf/asf.c
@@ -404,7 +404,7 @@ int asf_get_timestamp(int *duration, DB_FILE *fp)
 }
 
 /*entry point for seeks*/
-int asf_seek(int ms, asf_waveformatex_t* wfx, DB_FILE *fp, int64_t first_frame_offset)
+int asf_seek(int ms, asf_waveformatex_t* wfx, DB_FILE *fp, int64_t first_frame_offset, int *skip_ms)
 {
     int time, duration, delta, temp, count=0;
 
@@ -437,22 +437,24 @@ int asf_seek(int ms, asf_waveformatex_t* wfx, DB_FILE *fp, int64_t first_frame_o
 
         /*check the time stamp of our packet*/
         time = asf_get_timestamp(&duration, fp);
-        DEBUGF("time %d ms with duration %d\n", time, duration);
+//        DEBUGF("time %d ms with duration %d\n", time, duration);
 
         if (time < 0) {
             /*unknown error, try to recover*/
             DEBUGF("UKNOWN SEEK ERROR\n");
             deadbeef->fseek (fp, first_frame_offset+initial_packet*wfx->packet_size, SEEK_SET);
+            *skip_ms = 0;
             /*seek failed so return time stamp of the initial packet*/
-            return asf_get_timestamp(&duration, fp);
+            return -1;//asf_get_timestamp(&duration, fp);
         }
 
+        DEBUGF("time: %d, duration: %d (ms: %d)\n", time, duration, ms);
         if ((time+duration>=ms && time<=ms) || count > 10) {
-            DEBUGF("Found our packet! Now at %d packet\n", packet_num);
+            DEBUGF("Found our packet! Now at %d packet, time %d, requested %d\n", packet_num, time, ms);
             deadbeef->fseek (fp, pos, SEEK_SET);
+            *skip_ms = ms - time;
             return time;
         } else {
-            DEBUGF("Seek again\n", packet_num);
             /*seek again*/
             delta = ms-time;
             /*estimate new packet number from bitrate and our current position*/
diff --git a/plugins/wma/libasf/asf.h b/plugins/wma/libasf/asf.h
index cb96fed2..f49d38d1 100644
--- a/plugins/wma/libasf/asf.h
+++ b/plugins/wma/libasf/asf.h
@@ -49,6 +49,6 @@ int asf_read_packet(uint8_t** audiobuf, int* audiobufsize, int* packetlength,
                     
 int asf_get_timestamp(int *duration, DB_FILE *fp);
 
-int asf_seek(int ms, asf_waveformatex_t* wfx, DB_FILE *fp, int64_t first_frame_offset);
+int asf_seek(int ms, asf_waveformatex_t* wfx, DB_FILE *fp, int64_t first_frame_offset, int *skip_ms);
 
 #endif /* _ASF_H */
diff --git a/plugins/wma/wma_plugin.c b/plugins/wma/wma_plugin.c
index 6a141dd1..923b384a 100644
--- a/plugins/wma/wma_plugin.c
+++ b/plugins/wma/wma_plugin.c
@@ -39,8 +39,8 @@
 #define min(x,y) ((x)<(y)?(x):(y))
 #define max(x,y) ((x)>(y)?(x):(y))
 
-//#define trace(...) { fprintf(stderr, __VA_ARGS__); }
-#define trace(fmt,...)
+#define trace(...) { fprintf(stderr, __VA_ARGS__); }
+//#define trace(fmt,...)
 
 static DB_decoder_t plugin;
 DB_functions_t *deadbeef;
@@ -321,9 +321,17 @@ wmaplug_seek_sample (DB_fileinfo_t *_info, int sample) {
     info->skipsamples = sample - frame * info->wmadec.frame_len * n_subframes;
     info->currentsample = sample;
 #else
-    int res = asf_seek ((int64_t)sample * 1000 / info->wfx.rate, &info->wfx, info->fp, info->first_frame_offset);
-    info->skipsamples = 0;
-    info->currentsample = (int64_t)res * info->wfx.rate / 1000;
+    int skip_ms;
+    int res = asf_seek ((int64_t)sample * 1000 / info->wfx.rate, &info->wfx, info->fp, info->first_frame_offset, &skip_ms);
+    if (res < 0) {
+        info->skipsamples = 0;
+        info->currentsample = 0;
+    }
+    else {
+        printf ("skip_samples: %d\n", (int)((int64_t)skip_ms * info->wfx.rate / 1000));
+        info->skipsamples = (int64_t)skip_ms * info->wfx.rate / 1000;
+        info->currentsample = sample;
+    }
 #endif
 
 
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