Move entropy partitioning result allocation so it can be checked

For some reason realloc failing to allocate space to store the
results of entropy partitioning was not handled at all. The realloc
is moved to a spot where it is possible to set encoder state. This
also moves it from deep within a loop to being called only
occasionally

src/libFLAC/format.c

@@ -588,7 +588,7 @@ FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_s
 
 	FLAC__ASSERT(object->capacity_by_order > 0 || (0 == object->parameters && 0 == object->raw_bits));
 
-	if(object->capacity_by_order < max_partition_order) {
+	if(object->capacity_by_order < max_partition_order || object->parameters == NULL || object->raw_bits == NULL) {
 		if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(uint32_t)*(1 << max_partition_order))))
 			return false;
 		if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(uint32_t)*(1 << max_partition_order))))

src/libFLAC/stream_encoder.c

@@ -2601,11 +2601,32 @@ FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, uint32_t new_blocksize)
 			ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]);
 		}
 	}
+
+
+	for(channel = 0; ok && channel < encoder->protected_->channels; channel++) {
+		for(i = 0; ok && i < 2; i++) {
+			ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace[channel][i], encoder->protected_->max_residual_partition_order);
+			ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace[channel][i], encoder->protected_->max_residual_partition_order);
+		}
+	}
+
 	for(channel = 0; ok && channel < 2; channel++) {
 		for(i = 0; ok && i < 2; i++) {
 			ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]);
 		}
 	}
+
+	for(channel = 0; ok && channel < 2; channel++) {
+		for(i = 0; ok && i < 2; i++) {
+			ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_workspace_mid_side[channel][i], encoder->protected_->max_residual_partition_order);
+		}
+	}
+
+	for(i = 0; ok && i < 2; i++) {
+		ok = ok && FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(&encoder->private_->partitioned_rice_contents_extra[i], encoder->protected_->max_residual_partition_order);
+	}
+
+
 	/* the *2 is an approximation to the series 1 + 1/2 + 1/4 + ... that sums tree occupies in a flat array */
 	/*@@@ new_blocksize*2 is too pessimistic, but to fix, we need smarter logic because a smaller new_blocksize can actually increase the # of partitions; would require moving this out into a separate function, then checking its capacity against the need of the current blocksize&min/max_partition_order (and maybe predictor order) */
 	ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_blocksize * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums);
@@ -4204,7 +4225,6 @@ uint32_t find_best_partition_order_(
 		uint32_t partition;
 
 		/* save best parameters and raw_bits */
-		FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(prc, flac_max(6u, best_partition_order));
 		memcpy(prc->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, (uint32_t)sizeof(uint32_t)*(1<<(best_partition_order)));
 		if(do_escape_coding)
 			memcpy(prc->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, (uint32_t)sizeof(uint32_t)*(1<<(best_partition_order)));
@@ -4413,7 +4433,6 @@ FLAC__bool set_partitioned_rice_(
 
 	FLAC__ASSERT(rice_parameter_limit <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER);
 
-	FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order));
 	parameters = partitioned_rice_contents->parameters;
 	raw_bits = partitioned_rice_contents->raw_bits;