aomenc/webmenc: Check for errors.
Test for errors returned by mkvmuxer instead of
taking it on faith that all API calls always work.
Change-Id: Icfa1be7c2f1d37cfb339ecab45ab66625266b109
diff --git a/common/webmenc.h b/common/webmenc.h
index 9d459a7..4cdfd68 100644
--- a/common/webmenc.h
+++ b/common/webmenc.h
@@ -38,17 +38,20 @@
STEREO_FORMAT_RIGHT_LEFT = 11
} stereo_format_t;
-void write_webm_file_header(struct WebmOutputContext *webm_ctx,
- aom_codec_ctx_t *encoder_ctx,
- const aom_codec_enc_cfg_t *cfg,
- stereo_format_t stereo_fmt, unsigned int fourcc,
- const struct AvxRational *par);
+// The following functions wrap libwebm's mkvmuxer. All functions return 0 upon
+// success, or -1 upon failure.
-void write_webm_block(struct WebmOutputContext *webm_ctx,
- const aom_codec_enc_cfg_t *cfg,
- const aom_codec_cx_pkt_t *pkt);
+int write_webm_file_header(struct WebmOutputContext *webm_ctx,
+ aom_codec_ctx_t *encoder_ctx,
+ const aom_codec_enc_cfg_t *cfg,
+ stereo_format_t stereo_fmt, unsigned int fourcc,
+ const struct AvxRational *par);
-void write_webm_file_footer(struct WebmOutputContext *webm_ctx);
+int write_webm_block(struct WebmOutputContext *webm_ctx,
+ const aom_codec_enc_cfg_t *cfg,
+ const aom_codec_cx_pkt_t *pkt);
+
+int write_webm_file_footer(struct WebmOutputContext *webm_ctx);
#ifdef __cplusplus
} // extern "C"
