1 files changed, 287 insertions, 203 deletions

diff --git a/apps/plugins/mpegplayer/decode.c b/apps/plugins/mpegplayer/decode.c
index ca3d29a..fac724c 100644
--- a/apps/plugins/mpegplayer/decode.c
+++ b/apps/plugins/mpegplayer/decode.c
@@ -33,9 +33,15 @@ extern struct plugin_api* rb;
 
 #define BUFFER_SIZE (1194 * 1024)
 
+#ifdef CPU_COLDFIRE
+/* twice as large as on other targets because coldfire uses
+ * a secondary, transposed buffer for optimisation */
+static int16_t static_dct_block[128] IBSS_ATTR ATTR_ALIGN(16);
+#endif
+
 const mpeg2_info_t * mpeg2_info (mpeg2dec_t * mpeg2dec)
 {
-    return &(mpeg2dec->info);
+    return &mpeg2dec->info;
 }
 
 static inline int skip_chunk (mpeg2dec_t * mpeg2dec, int bytes)
@@ -46,27 +52,34 @@ static inline int skip_chunk (mpeg2dec_t * mpeg2dec, int bytes)
     uint8_t byte;
 
     if (!bytes)
-	return 0;
+	    return 0;
 
     current = mpeg2dec->buf_start;
     shift = mpeg2dec->shift;
     limit = current + bytes;
 
-    do {
-	byte = *current++;
-	if (shift == 0x00000100) {
-	    int skipped;
+    do
+    {
+    	byte = *current++;
+
+    	if (shift == 0x00000100)
+        {
+    	    int skipped;
 
-	    mpeg2dec->shift = 0xffffff00;
-	    skipped = current - mpeg2dec->buf_start;
-	    mpeg2dec->buf_start = current;
-	    return skipped;
-	}
-	shift = (shift | byte) << 8;
-    } while (current < limit);
+    	    mpeg2dec->shift = 0xffffff00;
+    	    skipped = current - mpeg2dec->buf_start;
+    	    mpeg2dec->buf_start = current;
+
+    	    return skipped;
+    	}
+
+    	shift = (shift | byte) << 8;
+    }
+    while (current < limit);
 
     mpeg2dec->shift = shift;
     mpeg2dec->buf_start = current;
+
     return 0;
 }
 
@@ -79,27 +92,32 @@ static inline int copy_chunk (mpeg2dec_t * mpeg2dec, int bytes)
     uint8_t byte;
 
     if (!bytes)
-	return 0;
+	    return 0;
 
     current = mpeg2dec->buf_start;
     shift = mpeg2dec->shift;
     chunk_ptr = mpeg2dec->chunk_ptr;
     limit = current + bytes;
 
-    do {
-	byte = *current++;
-	if (shift == 0x00000100) {
-	    int copied;
-
-	    mpeg2dec->shift = 0xffffff00;
-	    mpeg2dec->chunk_ptr = chunk_ptr + 1;
-	    copied = current - mpeg2dec->buf_start;
-	    mpeg2dec->buf_start = current;
-	    return copied;
-	}
-	shift = (shift | byte) << 8;
-	*chunk_ptr++ = byte;
-    } while (current < limit);
+    do
+    {
+    	byte = *current++;
+
+    	if (shift == 0x00000100)
+        {
+    	    int copied;
+
+    	    mpeg2dec->shift = 0xffffff00;
+    	    mpeg2dec->chunk_ptr = chunk_ptr + 1;
+    	    copied = current - mpeg2dec->buf_start;
+    	    mpeg2dec->buf_start = current;
+    	    return copied;
+    	}
+
+    	shift = (shift | byte) << 8;
+    	*chunk_ptr++ = byte;
+    }
+    while (current < limit);
 
     mpeg2dec->shift = shift;
     mpeg2dec->buf_start = current;
@@ -123,26 +141,39 @@ static inline mpeg2_state_t seek_chunk (mpeg2dec_t * mpeg2dec)
 
     size = mpeg2dec->buf_end - mpeg2dec->buf_start;
     skipped = skip_chunk (mpeg2dec, size);
-    if (!skipped) {
-	mpeg2dec->bytes_since_tag += size;
-	return STATE_BUFFER;
+
+    if (!skipped)
+    {
+    	mpeg2dec->bytes_since_tag += size;
+    	return STATE_BUFFER;
     }
+
     mpeg2dec->bytes_since_tag += skipped;
     mpeg2dec->code = mpeg2dec->buf_start[-1];
+
     return (mpeg2_state_t)-1;
 }
 
 mpeg2_state_t mpeg2_seek_header (mpeg2dec_t * mpeg2dec)
 {
     while (mpeg2dec->code != 0xb3 &&
-	   ((mpeg2dec->code != 0xb7 && mpeg2dec->code != 0xb8 &&
-	     mpeg2dec->code) || mpeg2dec->sequence.width == (unsigned)-1))
-	if (seek_chunk (mpeg2dec) == STATE_BUFFER)
-	    return STATE_BUFFER;
-    mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
+	       ((mpeg2dec->code != 0xb7 &&
+             mpeg2dec->code != 0xb8 &&
+             mpeg2dec->code) ||
+             mpeg2dec->sequence.width == (unsigned)-1))
+    {
+    	if (seek_chunk (mpeg2dec) == STATE_BUFFER)
+    	    return STATE_BUFFER;
+    }
+
+    mpeg2dec->chunk_start =
+    mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
+
     mpeg2dec->user_data_len = 0;
-    return (mpeg2dec->code ? mpeg2_parse_header (mpeg2dec) :
-	    mpeg2_header_picture_start (mpeg2dec));
+
+    return mpeg2dec->code ?
+                mpeg2_parse_header(mpeg2dec) :
+ 	            mpeg2_header_picture_start(mpeg2dec);
 }
 
 #define RECEIVED(code,state) (((state) << 8) + (code))
@@ -151,146 +182,187 @@ mpeg2_state_t mpeg2_parse (mpeg2dec_t * mpeg2dec)
 {
     int size_buffer, size_chunk, copied;
 
-    if (mpeg2dec->action) {
-	mpeg2_state_t state;
+    if (mpeg2dec->action)
+    {
+    	mpeg2_state_t state;
 
-	state = mpeg2dec->action (mpeg2dec);
-	if ((int)state >= 0)
-	    return state;
+    	state = mpeg2dec->action (mpeg2dec);
+
+	    if ((int)state >= 0)
+	        return state;
     }
 
-    while (1) {
-	while ((unsigned) (mpeg2dec->code - mpeg2dec->first_decode_slice) <
-	       mpeg2dec->nb_decode_slices) {
-	    size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
-	    size_chunk = (mpeg2dec->chunk_buffer + BUFFER_SIZE -
-			  mpeg2dec->chunk_ptr);
-	    if (size_buffer <= size_chunk) {
-		copied = copy_chunk (mpeg2dec, size_buffer);
-		if (!copied) {
-		    mpeg2dec->bytes_since_tag += size_buffer;
-		    mpeg2dec->chunk_ptr += size_buffer;
-		    return STATE_BUFFER;
-		}
-	    } else {
-		copied = copy_chunk (mpeg2dec, size_chunk);
-		if (!copied) {
-		    /* filled the chunk buffer without finding a start code */
-		    mpeg2dec->bytes_since_tag += size_chunk;
-		    mpeg2dec->action = seek_chunk;
-		    return STATE_INVALID;
-		}
+    while (1)
+    {
+    	while ((unsigned) (mpeg2dec->code - mpeg2dec->first_decode_slice) <
+    	       mpeg2dec->nb_decode_slices)
+        {
+    	    size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
+    	    size_chunk = mpeg2dec->chunk_buffer + BUFFER_SIZE -
+      			         mpeg2dec->chunk_ptr;
+
+    	    if (size_buffer <= size_chunk)
+            {
+        		copied = copy_chunk (mpeg2dec, size_buffer);
+
+        		if (!copied)
+                {
+		            mpeg2dec->bytes_since_tag += size_buffer;
+		            mpeg2dec->chunk_ptr += size_buffer;
+		            return STATE_BUFFER;
+		        }
+	        }
+            else
+            {
+		        copied = copy_chunk (mpeg2dec, size_chunk);
+
+		        if (!copied)
+                {
+        		    /* filled the chunk buffer without finding a start code */
+        		    mpeg2dec->bytes_since_tag += size_chunk;
+        		    mpeg2dec->action = seek_chunk;
+        		    return STATE_INVALID;
+        		}
+    	    }
+
+    	    mpeg2dec->bytes_since_tag += copied;
+
+    	    mpeg2_slice (&mpeg2dec->decoder, mpeg2dec->code,
+			             mpeg2dec->chunk_start);
+	        mpeg2dec->code = mpeg2dec->buf_start[-1];
+	        mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
 	    }
-	    mpeg2dec->bytes_since_tag += copied;
-
-	    mpeg2_slice (&(mpeg2dec->decoder), mpeg2dec->code,
-			 mpeg2dec->chunk_start);
-	    mpeg2dec->code = mpeg2dec->buf_start[-1];
-	    mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
-	}
-	if ((unsigned) (mpeg2dec->code - 1) >= 0xb0 - 1)
-	    break;
-	if (seek_chunk (mpeg2dec) == STATE_BUFFER)
-	    return STATE_BUFFER;
+
+    	if ((unsigned) (mpeg2dec->code - 1) >= 0xb0 - 1)
+	        break;
+
+    	if (seek_chunk (mpeg2dec) == STATE_BUFFER)
+    	    return STATE_BUFFER;
     }
 
-    switch (mpeg2dec->code) {
+    switch (mpeg2dec->code)
+    {
     case 0x00:
-	mpeg2dec->action = mpeg2_header_picture_start;
-	return mpeg2dec->state;
+    	mpeg2dec->action = mpeg2_header_picture_start;
+    	return mpeg2dec->state;
     case 0xb7:
-	mpeg2dec->action = mpeg2_header_end;
-	break;
+    	mpeg2dec->action = mpeg2_header_end;
+    	break;
     case 0xb3:
     case 0xb8:
-	mpeg2dec->action = mpeg2_parse_header;
-	break;
+    	mpeg2dec->action = mpeg2_parse_header;
+    	break;
     default:
-	mpeg2dec->action = seek_chunk;
-	return STATE_INVALID;
+    	mpeg2dec->action = seek_chunk;
+    	return STATE_INVALID;
     }
+
     return (mpeg2dec->state == STATE_SLICE) ? STATE_SLICE : STATE_INVALID;
 }
 
 mpeg2_state_t mpeg2_parse_header (mpeg2dec_t * mpeg2dec)
 {
-    static int (* process_header[]) (mpeg2dec_t * mpeg2dec) = {
-	mpeg2_header_picture, mpeg2_header_extension, mpeg2_header_user_data,
-	mpeg2_header_sequence, NULL, NULL, NULL, NULL, mpeg2_header_gop
+    static int (* const process_header[9]) (mpeg2dec_t *) =
+    {
+	    mpeg2_header_picture,
+        mpeg2_header_extension,
+        mpeg2_header_user_data,
+	    mpeg2_header_sequence,
+        NULL,
+        NULL,
+        NULL,
+        NULL,
+        mpeg2_header_gop
     };
+
     int size_buffer, size_chunk, copied;
 
     mpeg2dec->action = mpeg2_parse_header;
-    mpeg2dec->info.user_data = NULL;	mpeg2dec->info.user_data_len = 0;
-    while (1) {
-	size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
-	size_chunk = (mpeg2dec->chunk_buffer + BUFFER_SIZE -
-		      mpeg2dec->chunk_ptr);
-	if (size_buffer <= size_chunk) {
-	    copied = copy_chunk (mpeg2dec, size_buffer);
-	    if (!copied) {
-		mpeg2dec->bytes_since_tag += size_buffer;
-		mpeg2dec->chunk_ptr += size_buffer;
-		return STATE_BUFFER;
-	    }
-	} else {
-	    copied = copy_chunk (mpeg2dec, size_chunk);
-	    if (!copied) {
-		/* filled the chunk buffer without finding a start code */
-		mpeg2dec->bytes_since_tag += size_chunk;
-		mpeg2dec->code = 0xb4;
-		mpeg2dec->action = mpeg2_seek_header;
-		return STATE_INVALID;
-	    }
-	}
-	mpeg2dec->bytes_since_tag += copied;
-
-	if (process_header[mpeg2dec->code & 0x0b] (mpeg2dec)) {
-	    mpeg2dec->code = mpeg2dec->buf_start[-1];
-	    mpeg2dec->action = mpeg2_seek_header;
-	    return STATE_INVALID;
-	}
-
-	mpeg2dec->code = mpeg2dec->buf_start[-1];
-	switch (RECEIVED (mpeg2dec->code, mpeg2dec->state)) {
-
-	/* state transition after a sequence header */
-	case RECEIVED (0x00, STATE_SEQUENCE):
-	    mpeg2dec->action = mpeg2_header_picture_start;
-	case RECEIVED (0xb8, STATE_SEQUENCE):
-	    mpeg2_header_sequence_finalize (mpeg2dec);
-	    break;
-
-	/* other legal state transitions */
-	case RECEIVED (0x00, STATE_GOP):
-	    mpeg2_header_gop_finalize (mpeg2dec);
-	    mpeg2dec->action = mpeg2_header_picture_start;
-	    break;
-	case RECEIVED (0x01, STATE_PICTURE):
-	case RECEIVED (0x01, STATE_PICTURE_2ND):
-	    mpeg2_header_picture_finalize (mpeg2dec);
-	    mpeg2dec->action = mpeg2_header_slice_start;
-	    break;
-
-	/* legal headers within a given state */
-	case RECEIVED (0xb2, STATE_SEQUENCE):
-	case RECEIVED (0xb2, STATE_GOP):
-	case RECEIVED (0xb2, STATE_PICTURE):
-	case RECEIVED (0xb2, STATE_PICTURE_2ND):
-	case RECEIVED (0xb5, STATE_SEQUENCE):
-	case RECEIVED (0xb5, STATE_PICTURE):
-	case RECEIVED (0xb5, STATE_PICTURE_2ND):
-	    mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
-	    continue;
-
-	default:
-	    mpeg2dec->action = mpeg2_seek_header;
-	    return STATE_INVALID;
-	}
-
-	mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
-	mpeg2dec->user_data_len = 0;
-	return mpeg2dec->state;
+    mpeg2dec->info.user_data = NULL;
+	mpeg2dec->info.user_data_len = 0;
+
+    while (1)
+    {
+    	size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
+    	size_chunk = mpeg2dec->chunk_buffer + BUFFER_SIZE -
+    		            mpeg2dec->chunk_ptr;
+
+    	if (size_buffer <= size_chunk)
+        {
+    	    copied = copy_chunk (mpeg2dec, size_buffer);
+
+    	    if (!copied)
+            {
+        		mpeg2dec->bytes_since_tag += size_buffer;
+        		mpeg2dec->chunk_ptr += size_buffer;
+        		return STATE_BUFFER;
+    	    }
+    	}
+        else
+        {
+    	    copied = copy_chunk (mpeg2dec, size_chunk);
+
+    	    if (!copied)
+            {
+        		/* filled the chunk buffer without finding a start code */
+        		mpeg2dec->bytes_since_tag += size_chunk;
+        		mpeg2dec->code = 0xb4;
+        		mpeg2dec->action = mpeg2_seek_header;
+        		return STATE_INVALID;
+    	    }
+    	}
+
+    	mpeg2dec->bytes_since_tag += copied;
+
+    	if (process_header[mpeg2dec->code & 0x0b] (mpeg2dec))
+        {
+    	    mpeg2dec->code = mpeg2dec->buf_start[-1];
+    	    mpeg2dec->action = mpeg2_seek_header;
+    	    return STATE_INVALID;
+    	}
+
+    	mpeg2dec->code = mpeg2dec->buf_start[-1];
+
+    	switch (RECEIVED (mpeg2dec->code, mpeg2dec->state))
+        {
+    	/* state transition after a sequence header */
+    	case RECEIVED (0x00, STATE_SEQUENCE):
+    	    mpeg2dec->action = mpeg2_header_picture_start;
+    	case RECEIVED (0xb8, STATE_SEQUENCE):
+    	    mpeg2_header_sequence_finalize (mpeg2dec);
+    	    break;
+
+    	/* other legal state transitions */
+    	case RECEIVED (0x00, STATE_GOP):
+    	    mpeg2_header_gop_finalize (mpeg2dec);
+    	    mpeg2dec->action = mpeg2_header_picture_start;
+    	    break;
+    	case RECEIVED (0x01, STATE_PICTURE):
+    	case RECEIVED (0x01, STATE_PICTURE_2ND):
+    	    mpeg2_header_picture_finalize (mpeg2dec);
+    	    mpeg2dec->action = mpeg2_header_slice_start;
+    	    break;
+
+    	/* legal headers within a given state */
+    	case RECEIVED (0xb2, STATE_SEQUENCE):
+    	case RECEIVED (0xb2, STATE_GOP):
+    	case RECEIVED (0xb2, STATE_PICTURE):
+    	case RECEIVED (0xb2, STATE_PICTURE_2ND):
+    	case RECEIVED (0xb5, STATE_SEQUENCE):
+    	case RECEIVED (0xb5, STATE_PICTURE):
+    	case RECEIVED (0xb5, STATE_PICTURE_2ND):
+    	    mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
+    	    continue;
+
+    	default:
+    	    mpeg2dec->action = mpeg2_seek_header;
+    	    return STATE_INVALID;
+    	}
+
+    	mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
+    	mpeg2dec->user_data_len = 0;
+
+    	return mpeg2dec->state;
     }
 }
 
@@ -299,33 +371,42 @@ int mpeg2_convert (mpeg2dec_t * mpeg2dec, mpeg2_convert_t convert, void * arg)
     mpeg2_convert_init_t convert_init;
     int error;
 
-    error = convert (MPEG2_CONVERT_SET, NULL, &(mpeg2dec->sequence), 0,
-		     arg, &convert_init);
-    if (!error) {
-	mpeg2dec->convert = convert;
-	mpeg2dec->convert_arg = arg;
-	mpeg2dec->convert_id_size = convert_init.id_size;
-	mpeg2dec->convert_stride = 0;
+    error = convert (MPEG2_CONVERT_SET, NULL, &mpeg2dec->sequence, 0,
+		             arg, &convert_init);
+
+    if (!error)
+    {
+    	mpeg2dec->convert = convert;
+    	mpeg2dec->convert_arg = arg;
+    	mpeg2dec->convert_id_size = convert_init.id_size;
+    	mpeg2dec->convert_stride = 0;
     }
+
     return error;
 }
 
 int mpeg2_stride (mpeg2dec_t * mpeg2dec, int stride)
 {
-    if (!mpeg2dec->convert) {
-	if (stride < (int) mpeg2dec->sequence.width)
-	    stride = mpeg2dec->sequence.width;
-	mpeg2dec->decoder.stride_frame = stride;
-    } else {
-	mpeg2_convert_init_t convert_init;
-
-	stride = mpeg2dec->convert (MPEG2_CONVERT_STRIDE, NULL,
-				    &(mpeg2dec->sequence), stride,
-				    mpeg2dec->convert_arg,
-				    &convert_init);
-	mpeg2dec->convert_id_size = convert_init.id_size;
-	mpeg2dec->convert_stride = stride;
+    if (!mpeg2dec->convert)
+    {
+    	if (stride < (int) mpeg2dec->sequence.width)
+    	    stride = mpeg2dec->sequence.width;
+
+    	mpeg2dec->decoder.stride_frame = stride;
+    }
+    else
+    {
+    	mpeg2_convert_init_t convert_init;
+
+    	stride = mpeg2dec->convert(MPEG2_CONVERT_STRIDE, NULL,
+        				           &mpeg2dec->sequence, stride,
+               				       mpeg2dec->convert_arg,
+    				               &convert_init);
+
+    	mpeg2dec->convert_id_size = convert_init.id_size;
+    	mpeg2dec->convert_stride = stride;
     }
+
     return stride;
 }
 
@@ -333,21 +414,29 @@ void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[3], void * id)
 {
     mpeg2_fbuf_t * fbuf;
 
-    if (mpeg2dec->custom_fbuf) {
-	if (mpeg2dec->state == STATE_SEQUENCE) {
-	    mpeg2dec->fbuf[2] = mpeg2dec->fbuf[1];
-	    mpeg2dec->fbuf[1] = mpeg2dec->fbuf[0];
-	}
-	mpeg2_set_fbuf (mpeg2dec, (mpeg2dec->decoder.coding_type ==
-				   PIC_FLAG_CODING_TYPE_B));
-	fbuf = mpeg2dec->fbuf[0];
-    } else {
-	fbuf = &(mpeg2dec->fbuf_alloc[mpeg2dec->alloc_index].fbuf);
-	mpeg2dec->alloc_index_user = ++mpeg2dec->alloc_index;
+    if (mpeg2dec->custom_fbuf)
+    {
+    	if (mpeg2dec->state == STATE_SEQUENCE)
+        {
+    	    mpeg2dec->fbuf[2] = mpeg2dec->fbuf[1];
+    	    mpeg2dec->fbuf[1] = mpeg2dec->fbuf[0];
+    	}
+
+    	mpeg2_set_fbuf (mpeg2dec, (mpeg2dec->decoder.coding_type ==
+    				   PIC_FLAG_CODING_TYPE_B));
+
+    	fbuf = mpeg2dec->fbuf[0];
+    }
+    else
+    {
+    	fbuf = &mpeg2dec->fbuf_alloc[mpeg2dec->alloc_index].fbuf;
+    	mpeg2dec->alloc_index_user = ++mpeg2dec->alloc_index;
     }
+
     fbuf->buf[0] = buf[0];
     fbuf->buf[1] = buf[1];
     fbuf->buf[2] = buf[2];
+
     fbuf->id = id;
 }
 
@@ -390,31 +479,26 @@ void mpeg2_reset (mpeg2dec_t * mpeg2dec, int full_reset)
     mpeg2dec->state = STATE_INVALID;
     mpeg2dec->first = 1;
 
-    mpeg2_reset_info(&(mpeg2dec->info));
+    mpeg2_reset_info(&mpeg2dec->info);
     mpeg2dec->info.gop = NULL;
     mpeg2dec->info.user_data = NULL;
     mpeg2dec->info.user_data_len = 0;
-    if (full_reset) {
-	mpeg2dec->info.sequence = NULL;
-	mpeg2_header_state_init (mpeg2dec);
-    }
 
+    if (full_reset)
+    {
+    	mpeg2dec->info.sequence = NULL;
+    	mpeg2_header_state_init (mpeg2dec);
+    }
 }
 
-#ifdef CPU_COLDFIRE
-/* twice as large as on other targets because coldfire uses
- * a secondary, transposed buffer for optimisation */
-static int16_t static_dct_block[128] IBSS_ATTR ATTR_ALIGN(16);
-#endif
-
 mpeg2dec_t * mpeg2_init (void)
 {
     mpeg2dec_t * mpeg2dec;
 
     mpeg2_idct_init ();
 
-    mpeg2dec = (mpeg2dec_t *) mpeg2_malloc (sizeof (mpeg2dec_t),
-					    MPEG2_ALLOC_MPEG2DEC);
+    mpeg2dec = (mpeg2dec_t *)mpeg2_malloc(sizeof (mpeg2dec_t),
+					                      MPEG2_ALLOC_MPEG2DEC);
     if (mpeg2dec == NULL)
 	    return NULL;
 
@@ -425,8 +509,8 @@ mpeg2dec_t * mpeg2_init (void)
     rb->memset (mpeg2dec->decoder.DCTblock, 0, 64 * sizeof (int16_t));
     rb->memset (mpeg2dec->quantizer_matrix, 0, 4 * 64 * sizeof (uint8_t));
 
-    mpeg2dec->chunk_buffer = (uint8_t *) mpeg2_malloc (BUFFER_SIZE + 4,
-						       MPEG2_ALLOC_CHUNK);
+    mpeg2dec->chunk_buffer = (uint8_t *)mpeg2_malloc(BUFFER_SIZE + 4,
+						                             MPEG2_ALLOC_CHUNK);
 
     mpeg2dec->sequence.width = (unsigned)-1;
     mpeg2_reset (mpeg2dec, 1);