metadata_manip.c

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVA[A]P\tset APPLICATION (shrink), fill in with padding\n");
	app->data.application.id[0] = 'j'; /* twiddle the id */
	if(!FLAC__metadata_object_application_set_data(app, data, 23, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/true))
		return die_("copying object");
	our_metadata_.blocks[our_current_position+1]->length = sizeof(data) - 23 - FLAC__STREAM_METADATA_HEADER_LENGTH;
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVA[A]PP\tnext\n");
	if(!FLAC__metadata_simple_iterator_next(iterator))
		return die_("iterator ended early\n");
	our_current_position++;

	printf("SVAA[P]P\tnext\n");
	if(!FLAC__metadata_simple_iterator_next(iterator))
		return die_("iterator ended early\n");
	our_current_position++;

	printf("SVAAP[P]\tset PADDING (shrink), don't fill in with padding\n");
	padding->length = 5;
	if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVAAP[P]\tset APPLICATION (grow)\n");
	app->data.application.id[0] = 'k'; /* twiddle the id */
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVAAP[A]\tset PADDING (equal)\n");
	padding->length = 27;
	if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVAAP[P]\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("SVAA[P]P\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVA[A]P\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]P\tnext\n");
	if(!FLAC__metadata_simple_iterator_next(iterator))
		return die_("iterator ended early\n");
	our_current_position++;

	printf("SVA[P]\tinsert PADDING after\n");
	padding->length = 5;
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator);
	if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true))
		return false;

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVAP[P]\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("SVA[P]P\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is too small\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 32, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is 'close' but still too small\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 60, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PP\tset APPLICATION (grow), expand into padding which will leave 0-length pad\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 87, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	our_metadata_.blocks[our_current_position+1]->length = 0;
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PP\tset APPLICATION (grow), expand into padding which is exactly consumed\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 91, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	delete_from_our_metadata_(our_current_position+1);
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]P\tset APPLICATION (grow), expand into padding which is exactly consumed\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 100, true))
		return die_("setting APPLICATION data");
	if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true))
		return die_("copying object");
	delete_from_our_metadata_(our_current_position+1);
	our_metadata_.blocks[our_current_position]->is_last = true;
	if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]\tset PADDING (equal size)\n");
	padding->length = app->length;
	if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, true))
		return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[P]\tinsert PADDING after\n");
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator);
	if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true))
		return false;

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVP[P]\tinsert PADDING after\n");
	padding->length = 5;
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator);
	if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true))
		return false;

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SVPP[P]\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("SVP[P]P\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("SV[P]PP\tprev\n");
	if(!FLAC__metadata_simple_iterator_prev(iterator))
		return die_("iterator ended early\n");
	our_current_position--;

	printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is too small\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 101, true))
		return die_("setting APPLICATION data");
	if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is 'close' but still too small\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 97, true))
		return die_("setting APPLICATION data");
	if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true))
		return die_("copying object");
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("S[V]PPP\tinsert APPLICATION after, expand into padding which is exactly consumed\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 100, true))
		return die_("setting APPLICATION data");
	if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true))
		return die_("copying object");
	delete_from_our_metadata_(our_current_position+1);
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PP\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("S[V]PP\tinsert APPLICATION after, expand into padding which will leave 0-length pad\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 96, true))
		return die_("setting APPLICATION data");
	if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true))
		return die_("copying object");
	our_metadata_.blocks[our_current_position+1]->length = 0;
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("SV[A]PP\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("S[V]PP\tnext\n");
	if(!FLAC__metadata_simple_iterator_next(iterator))
		return die_("iterator ended early\n");
	our_current_position++;

	printf("SV[P]P\tdelete (middle block), don't replace with padding\n");
	if(!FLAC__metadata_simple_iterator_delete_block(iterator, false))
		return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator);
	delete_from_our_metadata_(our_current_position--);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("S[V]P\tinsert APPLICATION after, expand into padding which is exactly consumed\n");
	if(!FLAC__metadata_object_application_set_data(app, data, 1, true))
		return die_("setting APPLICATION data");
	if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true))
		return die_("copying object");
	delete_from_our_metadata_(our_current_position+1);
	if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true))
		return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator);

	if(!test_file_(flacfile_, decoder_metadata_callback_compare_))
		return false;

	printf("delete simple iterator\n");

	FLAC__metadata_simple_iterator_delete(iterator);

	FLAC__metadata_object_delete(app);
	FLAC__metadata_object_delete(padding);

	if(!remove_file_(flacfile_))
		return false;

	return true;
}

static FLAC__bool test_level_2_(FLAC__bool filename_based)
{
	FLAC__Metadata_Iterator *iterator;
	FLAC__Metadata_Chain *chain;
	FLAC__StreamMetadata *block, *app, *padding;
	FLAC__byte data[2000];