- Implementada polifonia en Chirping

- Arreglats un montó de warnings per lo mon

gif.c

@@ -295,7 +295,6 @@ unsigned char* process_image_descriptor( unsigned char* buffer,
                                     int resolution_bits )
 {
     image_descriptor_t image_descriptor;
-    int disposition;
     int compressed_data_length;
     unsigned char *compressed_data = NULL;
     unsigned char lzw_code_size;
@@ -307,8 +306,6 @@ unsigned char* process_image_descriptor( unsigned char* buffer,
 
     // TODO if LCT = true, read the LCT
 
-    disposition = 1;
-
 	READ(&lzw_code_size, 1);
 
     compressed_data_length = read_sub_blocks( buffer, &compressed_data );
@@ -330,59 +327,6 @@ unsigned char* process_image_descriptor( unsigned char* buffer,
     return uncompressed_data;
 }
 
-static int process_extension( unsigned char* buffer )
-{
-    /*extension_t extension;
-    graphic_control_extension_t gce;
-    application_extension_t application;
-    plaintext_extension_t plaintext;
-    unsigned char *extension_data = NULL;
-    int extension_data_length;*/
-
-
-/*    switch ( extension.extension_code )
-    {
-        case GRAPHIC_CONTROL:
-			READ(&gce, 4);
-
-            break;
-        case APPLICATION_EXTENSION:
-			READ(&application, extension.block_size);
-            break;
-        case 0xFE:
-            // comment extension; do nothing - all the data is in the
-            // sub-blocks that follow.
-            break;
-        case 0x01:
-			READ(&plaintext, 12);
-            break;
-        default:
-            fprintf( stderr, "Unrecognized extension code.\n" );
-            exit( 0 );
-    }*/
-
-    unsigned char extension, size;
-	READ(&extension, 1);
-	READ(&size, 1);
-    buffer += size;
-
-    unsigned char block_size;
-    do {
-		READ(&block_size, 1);
-        buffer += block_size;
-    } while (block_size != 0);
-
-/*
-    // All extensions are followed by data sub-blocks; even if it's
-    // just a single data sub-block of length 0
-    extension_data_length = read_sub_blocks( buffer, &extension_data );
-
-    if ( extension_data != NULL )
-        free( extension_data );
-*/
-    return 1;
-}
-
 /**
  * @param gif_file the file descriptor of a file containing a
  *  GIF-encoded file.  This should point to the first byte in
@@ -393,7 +337,7 @@ static int process_extension( unsigned char* buffer )
 uint32_t* LoadPalette(unsigned char *buffer) {
 	unsigned char header[7];
 	screen_descriptor_t screen_descriptor;
-	int color_resolution_bits;
+	//int color_resolution_bits;
 
 	int global_color_table_size = 0;  // number of entries in global_color_table
 	uint32_t *global_color_table = NULL;
@@ -401,7 +345,7 @@ uint32_t* LoadPalette(unsigned char *buffer) {
 	READ(header, 6);
 	READ(&screen_descriptor, 7);
 
-	color_resolution_bits = ((screen_descriptor.fields & 0x70) >> 4) + 1;
+	//color_resolution_bits = ((screen_descriptor.fields & 0x70) >> 4) + 1;
 	global_color_table = (uint32_t *)calloc(1, 1024);
 
 	if (screen_descriptor.fields & 0x80) {