refactor: modifications made based on reviews

Author: MrAMS

tools/mtmd/mtmd-video.cpp

@@ -191,6 +191,10 @@ static mtmd_bitmap* load_frames_from_dir(mtmd_context * ctx,
     return out_frames;
 }
 
+// This Frames Queue is useful for streaming use case, 
+// This frame queue is designed for streaming scenarios,
+// where an FFmpeg-related thread acts as the producer generating frames,
+// and the main program (the LLM inference thread) acts as the consumer processing them.
 struct DecodedFramesQueue {
     int width;
     int height;
@@ -501,8 +505,8 @@ static bool decode_video_ffmpeg_to_rgba_from_format_ctx(
         LOG_ERR("Different size frames remain in decoded frames queue");
         return false;
     }
-    out_q.width = frame->width;
-    out_q.height = frame->height;
+    out_q.width = w;
+    out_q.height = h;
 
     while (av_read_frame(fmt, pkt) >= 0) {
         if (pkt->stream_index != vstream) { av_packet_unref(pkt); continue; }