Audaspace: added audio file streams functionality.

On the blender side this commit fixes importing video files with audio
and video streams that do not share the same start time and duration.

Differential Revision: https://developer.blender.org/D12353

1 files changed, 46 insertions, 1 deletions

diff --git a/source/blender/blenkernel/intern/sound.c b/source/blender/blenkernel/intern/sound.c
index c61fa793367..ccb10f080e3 100644
--- a/source/blender/blenkernel/intern/sound.c
+++ b/source/blender/blenkernel/intern/sound.c
@@ -1213,7 +1213,6 @@ static bool sound_info_from_playback_handle(void *playback_handle, SoundInfo *so
   AUD_SoundInfo info = AUD_getInfo(playback_handle);
   sound_info->specs.channels = (eSoundChannels)info.specs.channels;
   sound_info->length = info.length;
-  sound_info->start_offset = info.start_offset;
   return true;
 }
 
@@ -1231,6 +1230,44 @@ bool BKE_sound_info_get(struct Main *main, struct bSound *sound, SoundInfo *soun
   return result;
 }
 
+bool BKE_sound_stream_info_get(struct Main *main, const char *filepath, int stream, SoundStreamInfo *sound_info)
+{
+  const char *path;
+  char str[FILE_MAX];
+  AUD_Sound *sound;
+  AUD_StreamInfo *stream_infos;
+  int stream_count;
+
+  BLI_strncpy(str, filepath, sizeof(str));
+  path = BKE_main_blendfile_path(main);
+  BLI_path_abs(str, path);
+
+  sound = AUD_Sound_file(str);
+  if (!sound) {
+    return false;
+  }
+
+  stream_count = AUD_Sound_getFileStreams(sound, &stream_infos);
+
+  AUD_Sound_free(sound);
+
+  if (!stream_infos) {
+    return false;
+  }
+
+  if ((stream < 0) || (stream >= stream_count)) {
+    free(stream_infos);
+    return false;
+  }
+
+  sound_info->start = stream_infos[stream].start;
+  sound_info->duration = stream_infos[stream].duration;
+
+  free(stream_infos);
+
+  return true;
+}
+
 #else /* WITH_AUDASPACE */
 
 #  include "BLI_utildefines.h"
@@ -1400,6 +1437,14 @@ bool BKE_sound_info_get(struct Main *UNUSED(main),
   return false;
 }
 
+bool BKE_sound_stream_info_get(struct Main *UNUSED(main),
+                               const char *UNUSED(filepath),
+                               int UNUSED(stream),
+                               SoundStreamInfo *UNUSED(sound_info))
+{
+  return false;
+}
+
 #endif /* WITH_AUDASPACE */
 
 void BKE_sound_reset_scene_runtime(Scene *scene)