shithub: libopusenc

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ref: 5c2640cdff7dd3a2af6ce5294de8d7a36a18f1eb
parent: a8cc9885ea0165d3cc925542aafb89cb613a46f2
author: Jean-Marc Valin <[email protected]>
date: Tue May 2 07:53:59 EDT 2017

Implement ope_flush_header()

--- a/include/opusenc.h
+++ b/include/opusenc.h
@@ -53,6 +53,7 @@
 #define OPE_UNIMPLEMENTED -11
 #define OPE_BAD_ARG -12
 #define OPE_INTERNAL_ERROR -13
+#define OPE_TOO_LATE -14
 
 /* These are the "raw" request values -- they should usually not be used. */
 #define OPE_SET_DECISION_DELAY_REQUEST 14000
@@ -122,6 +123,9 @@
 
 /** Sets the Opus comment vendor string (optional, defaults to library info). */
 OPE_EXPORT int ope_set_vendor_string(OggOpusEnc *enc, const char *vendor);
+
+/** Write out the header now rather than wait for audio to begin. */
+OPE_EXPORT int ope_flush_header(OggOpusEnc *enc);
 
 /** Goes straight to the libopus ctl() functions. */
 OPE_EXPORT int ope_encoder_ctl(OggOpusEnc *enc, int request, ...);
--- a/src/opusenc.c
+++ b/src/opusenc.c
@@ -452,6 +452,7 @@
 
 /* Add a comment to the file (can only be called before encoding samples). */
 int ope_add_comment(OggOpusEnc *enc, const char *tag, const char *val) {
+  if (enc->stream_is_init) return OPE_TOO_LATE;
   if (comment_add(&enc->comment, &enc->comment_length, tag, val)) return OPE_INTERNAL_ERROR;
   return OPE_OK;
 }
@@ -459,6 +460,7 @@
 int ope_add_picture(OggOpusEnc *enc, const char *spec) {
   const char *error_message;
   char *picture_data;
+  if (enc->stream_is_init) return OPE_TOO_LATE;
   picture_data = parse_picture_specification(spec, &error_message, &enc->seen_file_icons);
   if(picture_data==NULL){
     /* FIXME: return proper errors rather than printing a message. */
@@ -472,9 +474,15 @@
 
 /* Sets the Opus comment vendor string (optional, defaults to library info). */
 int ope_set_vendor_string(OggOpusEnc *enc, const char *vendor) {
+  if (enc->stream_is_init) return OPE_TOO_LATE;
   (void)enc;
   (void)vendor;
   return OPE_UNIMPLEMENTED;
+}
+
+int ope_flush_header(OggOpusEnc *enc) {
+  if (enc->stream_is_init) return OPE_TOO_LATE;
+  else init_stream(enc);
 }
 
 /* Goes straight to the libopus ctl() functions. */