[PATCH v2 4/7] winedmo: Export a new winedmo_demuxer_seek function.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winedmo/main.c         | 16 ++++++++++++++++
 dlls/winedmo/unix_demuxer.c | 18 ++++++++++++++++++
 dlls/winedmo/unix_private.h |  1 +
 dlls/winedmo/unixlib.c      |  2 ++
 dlls/winedmo/unixlib.h      |  7 +++++++
 dlls/winedmo/winedmo.spec   |  1 +
 include/wine/winedmo.h      |  1 +
 7 files changed, 46 insertions(+)

diff --git a/dlls/winedmo/main.c b/dlls/winedmo/main.c
index 381211b396f..ccb8a4eb95d 100644
--- a/dlls/winedmo/main.c
+++ b/dlls/winedmo/main.c
@@ -180,6 +180,22 @@ NTSTATUS CDECL winedmo_demuxer_destroy( struct winedmo_demuxer *demuxer )
     return status;
 }

+NTSTATUS CDECL winedmo_demuxer_seek( struct winedmo_demuxer demuxer, INT64 timestamp )
+{
+    struct demuxer_seek_params params = {.demuxer = demuxer, .timestamp = timestamp};
+    NTSTATUS status;
+
+    TRACE( "demuxer %#I64x, timestamp %I64d\n", demuxer.handle, timestamp );
+
+    if ((status = UNIX_CALL( demuxer_seek, &params )))
+    {
+        WARN( "Failed to set position, status %#lx\n", status );
+        return status;
+    }
+
+    return STATUS_SUCCESS;
+}
+
 NTSTATUS CDECL winedmo_demuxer_stream_lang( struct winedmo_demuxer demuxer, UINT stream, WCHAR *buffer, UINT len )
 {
     struct demuxer_stream_lang_params params = {.demuxer = demuxer, .stream = stream};
diff --git a/dlls/winedmo/unix_demuxer.c b/dlls/winedmo/unix_demuxer.c
index 70f9e0715f6..e14431e6d9c 100644
--- a/dlls/winedmo/unix_demuxer.c
+++ b/dlls/winedmo/unix_demuxer.c
@@ -159,6 +159,24 @@ NTSTATUS demuxer_destroy( void *arg )
     return STATUS_SUCCESS;
 }

+NTSTATUS demuxer_seek( void *arg )
+{
+    struct demuxer_seek_params *params = arg;
+    AVFormatContext *ctx = get_demuxer( params->demuxer );
+    int64_t timestamp = params->timestamp * AV_TIME_BASE / 10000000;
+    int ret;
+
+    TRACE( "context %p, timestamp 0x%s\n", ctx, wine_dbgstr_longlong( params->timestamp ) );
+
+    if ((ret = av_seek_frame( ctx, -1, timestamp, AVSEEK_FLAG_ANY )) < 0)
+    {
+        ERR( "Failed to seek context %p, error %s.\n", ctx, debugstr_averr(ret) );
+        return STATUS_UNSUCCESSFUL;
+    }
+
+    return STATUS_SUCCESS;
+}
+
 NTSTATUS demuxer_stream_lang( void *arg )
 {
     struct demuxer_stream_lang_params *params = arg;
diff --git a/dlls/winedmo/unix_private.h b/dlls/winedmo/unix_private.h
index 8a282c23148..77aa9058350 100644
--- a/dlls/winedmo/unix_private.h
+++ b/dlls/winedmo/unix_private.h
@@ -43,6 +43,7 @@ extern int unix_read_callback( void *opaque, uint8_t *buffer, int size );
 extern NTSTATUS demuxer_check( void * );
 extern NTSTATUS demuxer_create( void * );
 extern NTSTATUS demuxer_destroy( void * );
+extern NTSTATUS demuxer_seek( void * );
 extern NTSTATUS demuxer_stream_lang( void * );
 extern NTSTATUS demuxer_stream_name( void * );
 extern NTSTATUS demuxer_stream_type( void * );
diff --git a/dlls/winedmo/unixlib.c b/dlls/winedmo/unixlib.c
index 8398c8f143a..119853ec457 100644
--- a/dlls/winedmo/unixlib.c
+++ b/dlls/winedmo/unixlib.c
@@ -132,6 +132,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     X( demuxer_check ),
     X( demuxer_create ),
     X( demuxer_destroy ),
+    X( demuxer_seek ),
     X( demuxer_stream_lang ),
     X( demuxer_stream_name ),
     X( demuxer_stream_type ),
@@ -193,6 +194,7 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     X( demuxer_check ),
     X64( demuxer_create ),
     X64( demuxer_destroy ),
+    X( demuxer_seek ),
     X( demuxer_stream_lang ),
     X( demuxer_stream_name ),
     X( demuxer_stream_type ),
diff --git a/dlls/winedmo/unixlib.h b/dlls/winedmo/unixlib.h
index d7dc1a2e2fd..fd250e58209 100644
--- a/dlls/winedmo/unixlib.h
+++ b/dlls/winedmo/unixlib.h
@@ -98,6 +98,12 @@ struct demuxer_destroy_params
     struct stream_context *context;
 };

+struct demuxer_seek_params
+{
+    struct winedmo_demuxer demuxer;
+    INT64 timestamp;
+};
+
 struct demuxer_stream_lang_params
 {
     struct winedmo_demuxer demuxer;
@@ -127,6 +133,7 @@ enum unix_funcs
     unix_demuxer_check,
     unix_demuxer_create,
     unix_demuxer_destroy,
+    unix_demuxer_seek,
     unix_demuxer_stream_lang,
     unix_demuxer_stream_name,
     unix_demuxer_stream_type,
diff --git a/dlls/winedmo/winedmo.spec b/dlls/winedmo/winedmo.spec
index 0da65562406..77772b1f472 100644
--- a/dlls/winedmo/winedmo.spec
+++ b/dlls/winedmo/winedmo.spec
@@ -1,6 +1,7 @@
 @ cdecl winedmo_demuxer_check(str)
 @ cdecl winedmo_demuxer_create(wstr ptr int64 ptr ptr ptr ptr)
 @ cdecl winedmo_demuxer_destroy(ptr)
+@ cdecl winedmo_demuxer_seek(int64 int64)
 @ cdecl winedmo_demuxer_stream_lang(int64 long ptr long)
 @ cdecl winedmo_demuxer_stream_name(int64 long ptr long)
 @ cdecl winedmo_demuxer_stream_type(int64 long ptr ptr)
diff --git a/include/wine/winedmo.h b/include/wine/winedmo.h
index 843640c8107..f4f9d1371d4 100644
--- a/include/wine/winedmo.h
+++ b/include/wine/winedmo.h
@@ -46,6 +46,7 @@ NTSTATUS CDECL winedmo_demuxer_check( const char *mime_type );
 NTSTATUS CDECL winedmo_demuxer_create( const WCHAR *url, struct winedmo_stream *stream, UINT64 stream_size, INT64 *duration,
                                        UINT *stream_count, WCHAR *mime_type, struct winedmo_demuxer *demuxer );
 NTSTATUS CDECL winedmo_demuxer_destroy( struct winedmo_demuxer *demuxer );
+NTSTATUS CDECL winedmo_demuxer_seek( struct winedmo_demuxer demuxer, INT64 timestamp );
 NTSTATUS CDECL winedmo_demuxer_stream_lang( struct winedmo_demuxer demuxer, UINT stream, WCHAR *buffer, UINT len );
 NTSTATUS CDECL winedmo_demuxer_stream_name( struct winedmo_demuxer demuxer, UINT stream, WCHAR *buffer, UINT len );
 NTSTATUS CDECL winedmo_demuxer_stream_type( struct winedmo_demuxer demuxer, UINT stream,