Merge task t-1rf15iH: Audio crossfading

2 files changed, 43 insertions, 8 deletions

diff --git a/Biz/PodcastItLater/UI.py b/Biz/PodcastItLater/UI.py
index 00cf5e3..6825fd7 100644
--- a/Biz/PodcastItLater/UI.py
+++ b/Biz/PodcastItLater/UI.py
@@ -408,10 +408,27 @@ class AccountPage(Component[AnyChildren, AccountPageAttrs]):
                                 # User Info Section
                                 html.div(
                                     html.h5("Profile", classes=["mb-3"]),
-                                    html.p(
+                                    html.div(
                                         html.strong("Email: "),
-                                        user.get("email", ""),
-                                        classes=["mb-2"],
+                                        html.span(user.get("email", "")),
+                                        html.button(
+                                            "Change",
+                                            classes=[
+                                                "btn",
+                                                "btn-sm",
+                                                "btn-outline-secondary",
+                                                "ms-2",
+                                                "py-0",
+                                            ],
+                                            hx_get="/settings/email/edit",
+                                            hx_target="closest div",
+                                            hx_swap="outerHTML",
+                                        ),
+                                        classes=[
+                                            "mb-2",
+                                            "d-flex",
+                                            "align-items-center",
+                                        ],
                                     ),
                                     html.p(
                                         html.strong("Member since: "),
diff --git a/Biz/PodcastItLater/Worker.py b/Biz/PodcastItLater/Worker.py
index 3245fdd..251f614 100644
--- a/Biz/PodcastItLater/Worker.py
+++ b/Biz/PodcastItLater/Worker.py
@@ -60,6 +60,8 @@ MAX_RETRIES = 3
 TTS_MODEL = "tts-1"
 TTS_VOICE = "alloy"
 MEMORY_THRESHOLD = 80  # Percentage threshold for memory usage
+CROSSFADE_DURATION = 500  # ms for crossfading segments
+PAUSE_DURATION = 1000  # ms for silence between segments
 
 
 class ShutdownHandler:
@@ -358,7 +360,7 @@ class ArticleProcessor:
         content_audio: bytes,
         outro_audio: bytes,
     ) -> bytes:
-        """Combine intro, content, and outro with 1-second pauses.
+        """Combine intro, content, and outro with crossfades.
 
         Args:
             intro_audio: MP3 bytes for intro
@@ -373,11 +375,27 @@ class ArticleProcessor:
         content = AudioSegment.from_mp3(io.BytesIO(content_audio))
         outro = AudioSegment.from_mp3(io.BytesIO(outro_audio))
 
-        # Create 1-second silence
-        pause = AudioSegment.silent(duration=1000)  # milliseconds
+        # Create bridge silence (pause + 2 * crossfade to account for overlap)
+        bridge = AudioSegment.silent(duration=PAUSE_DURATION + 2 * CROSSFADE_DURATION)
 
-        # Combine segments with pauses
-        combined = intro + pause + content + pause + outro
+        def safe_append(seg1: AudioSegment, seg2: AudioSegment, crossfade: int) -> AudioSegment:
+            if len(seg1) < crossfade or len(seg2) < crossfade:
+                logger.warning(
+                    "Segment too short for crossfade (%dms vs %dms/%dms), using concatenation",
+                    crossfade,
+                    len(seg1),
+                    len(seg2),
+                )
+                return seg1 + seg2
+            return seg1.append(seg2, crossfade=crossfade)
+
+        # Combine segments with crossfades
+        # Intro -> Bridge -> Content -> Bridge -> Outro
+        # This effectively fades out the previous segment and fades in the next one
+        combined = safe_append(intro, bridge, CROSSFADE_DURATION)
+        combined = safe_append(combined, content, CROSSFADE_DURATION)
+        combined = safe_append(combined, bridge, CROSSFADE_DURATION)
+        combined = safe_append(combined, outro, CROSSFADE_DURATION)
 
         # Export to bytes
         output = io.BytesIO()