omxil: Convert from/to OMX_TICKS via helper functions

The 64 bit timestamp fields can be defined either as 64 bit
integers or as structs with two 32 bit members. If the
struct variant is being used, we need to convert to/from it
with helper functions.
Signed-off-by: Martin Storsjö <martin@martin.st>

modules/codec/omxil/omxil.c

@@ -1341,7 +1341,7 @@ static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
             }
 
             if (p_pic)
-                p_pic->date = p_header->nTimeStamp;
+                p_pic->date = FromOmxTicks(p_header->nTimeStamp);
             p_header->nFilledLen = 0;
             p_header->pAppPrivate = 0;
         }
@@ -1382,9 +1382,9 @@ static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
         p_header->nOffset = 0;
         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
         if (p_sys->b_use_pts && p_block->i_pts)
-            p_header->nTimeStamp = p_block->i_pts;
+            p_header->nTimeStamp = ToOmxTicks(p_block->i_pts);
         else
-            p_header->nTimeStamp = p_block->i_dts;
+            p_header->nTimeStamp = ToOmxTicks(p_block->i_dts);
 
         /* In direct mode we pass the input pointer as is.
          * Otherwise we memcopy the data */
@@ -1507,9 +1507,10 @@ block_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
             memcpy( p_buffer->p_buffer, p_header->pBuffer, p_buffer->i_buffer );
             p_header->nFilledLen = 0;
 
-            if( p_header->nTimeStamp != 0 &&
-                p_header->nTimeStamp != date_Get( &p_sys->end_date ) )
-                date_Set( &p_sys->end_date, p_header->nTimeStamp );
+            int64_t timestamp = FromOmxTicks(p_header->nTimeStamp);
+            if( timestamp != 0 &&
+                timestamp != date_Get( &p_sys->end_date ) )
+                date_Set( &p_sys->end_date, timestamp );
 
             p_buffer->i_pts = date_Get( &p_sys->end_date );
             p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) -
@@ -1537,7 +1538,7 @@ block_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
         p_header->nFilledLen = p_block->i_buffer;
         p_header->nOffset = 0;
         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
-        p_header->nTimeStamp = p_block->i_dts;
+        p_header->nTimeStamp = ToOmxTicks(p_block->i_dts);
 
         /* In direct mode we pass the input pointer as is.
          * Otherwise we memcopy the data */
@@ -1622,7 +1623,7 @@ static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
         p_header->nFilledLen = p_sys->in.i_frame_size;
         p_header->nOffset = 0;
         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
-        p_header->nTimeStamp = p_pic->date;
+        p_header->nTimeStamp = ToOmxTicks(p_pic->date);
 #ifdef OMXIL_EXTRA_DEBUG
         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
                  (int)p_header->nFilledLen );
@@ -1663,7 +1664,7 @@ static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
             }
 
             p_block->i_buffer = p_header->nFilledLen;
-            p_block->i_pts = p_block->i_dts = p_header->nTimeStamp;
+            p_block->i_pts = p_block->i_dts = FromOmxTicks(p_header->nTimeStamp);
             p_header->nFilledLen = 0;
             p_header->pAppPrivate = 0;
         }

modules/codec/omxil/omxil_utils.h

@@ -55,6 +55,23 @@
 #define CHECK_ERROR(a, ...) \
     if(a != OMX_ErrorNone) {msg_Dbg( p_dec, __VA_ARGS__ ); goto error;}
 
+#ifdef OMX_SKIP64BIT
+static inline int64_t FromOmxTicks(OMX_TICKS value)
+{
+    return (((int64_t)value.nHighPart) << 32) | value.nLowPart;
+}
+static inline OMX_TICKS ToOmxTicks(int64_t value)
+{
+    OMX_TICKS s;
+    s.nLowPart = value;
+    s.nHighPart = value >> 32;
+    return s;
+}
+#else
+#define FromOmxTicks(x) (x)
+#define ToOmxTicks(x) (x)
+#endif
+
 /*****************************************************************************
  * OMX buffer FIFO macros
  *****************************************************************************/