don't flush the input on delete unless encoder state is OK

diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c
index 14f9139..e1ea04e 100644 (file)
--- a/src/libFLAC/stream_encoder.c
+++ b/src/libFLAC/stream_encoder.c
@@ -587,14 +587,22 @@ FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder *encoder)
 void FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder)
 {
        FLAC__ASSERT(0 != encoder);
+
        if(encoder->protected_->state == FLAC__STREAM_ENCODER_UNINITIALIZED)
                return;
-       if(encoder->private_->current_sample_number != 0) {
-               encoder->protected_->blocksize = encoder->private_->current_sample_number;
-               process_frame_(encoder, true); /* true => is last frame */
+
+       if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) {
+               if(encoder->private_->current_sample_number != 0) {
+                       encoder->protected_->blocksize = encoder->private_->current_sample_number;
+                       process_frame_(encoder, true); /* true => is last frame */
+               }
        }
+
        MD5Final(encoder->private_->metadata.data.stream_info.md5sum, &encoder->private_->md5context);
-       encoder->private_->metadata_callback(encoder, &encoder->private_->metadata, encoder->private_->client_data);
+
+       if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) {
+               encoder->private_->metadata_callback(encoder, &encoder->private_->metadata, encoder->private_->client_data);
+       }
 
        if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder)
                FLAC__stream_decoder_finish(encoder->private_->verify.decoder);