Delete pages/5_fork_multi_outputs.py

pages/5_fork_multi_outputs.py

@@ -1,107 +0,0 @@
-try:
-    from typing import Literal
-except ImportError:
-    from typing_extensions import Literal  # type: ignore
-
-from typing import cast
-
-import av
-import cv2
-import streamlit as st
-from streamlit_webrtc import WebRtcMode, webrtc_streamer
-
-from sample_utils.turn import get_ice_servers
-
-st.markdown(
-    """
-Fork one input to multiple outputs with different video filters.
-"""
-)
-
-VideoFilterType = Literal["noop", "cartoon", "edges", "rotate"]
-
-
-def make_video_frame_callback(_type: VideoFilterType):
-    def callback(frame: av.VideoFrame) -> av.VideoFrame:
-        img = frame.to_ndarray(format="bgr24")
-
-        if _type == "noop":
-            pass
-        elif _type == "cartoon":
-            # prepare color
-            img_color = cv2.pyrDown(cv2.pyrDown(img))
-            for _ in range(6):
-                img_color = cv2.bilateralFilter(img_color, 9, 9, 7)
-            img_color = cv2.pyrUp(cv2.pyrUp(img_color))
-
-            # prepare edges
-            img_edges = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
-            img_edges = cv2.adaptiveThreshold(
-                cv2.medianBlur(img_edges, 7),
-                255,
-                cv2.ADAPTIVE_THRESH_MEAN_C,
-                cv2.THRESH_BINARY,
-                9,
-                2,
-            )
-            img_edges = cv2.cvtColor(img_edges, cv2.COLOR_GRAY2RGB)
-
-            # combine color and edges
-            img = cv2.bitwise_and(img_color, img_edges)
-        elif _type == "edges":
-            # perform edge detection
-            img = cv2.cvtColor(cv2.Canny(img, 100, 200), cv2.COLOR_GRAY2BGR)
-        elif _type == "rotate":
-            # rotate image
-            rows, cols, _ = img.shape
-            M = cv2.getRotationMatrix2D((cols / 2, rows / 2), frame.time * 45, 1)
-            img = cv2.warpAffine(img, M, (cols, rows))
-
-        return av.VideoFrame.from_ndarray(img, format="bgr24")
-
-    return callback
-
-
-COMMON_RTC_CONFIG = {"iceServers": get_ice_servers()}
-
-st.header("Input")
-ctx = webrtc_streamer(
-    key="loopback",
-    mode=WebRtcMode.SENDRECV,
-    rtc_configuration=COMMON_RTC_CONFIG,
-    media_stream_constraints={"video": True, "audio": False},
-)
-
-st.header("Forked output 1")
-filter1_type = st.radio(
-    "Select transform type",
-    ("noop", "cartoon", "edges", "rotate"),
-    key="fork-filter1-type",
-)
-callback = make_video_frame_callback(cast(VideoFilterType, filter1_type))
-webrtc_streamer(
-    key="filter1",
-    mode=WebRtcMode.RECVONLY,
-    video_frame_callback=callback,
-    source_video_track=ctx.output_video_track,
-    desired_playing_state=ctx.state.playing,
-    rtc_configuration=COMMON_RTC_CONFIG,
-    media_stream_constraints={"video": True, "audio": False},
-)
-
-st.header("Forked output 2")
-filter2_type = st.radio(
-    "Select transform type",
-    ("noop", "cartoon", "edges", "rotate"),
-    key="fork-filter2-type",
-)
-callback = make_video_frame_callback(cast(VideoFilterType, filter2_type))
-webrtc_streamer(
-    key="filter2",
-    mode=WebRtcMode.RECVONLY,
-    video_frame_callback=callback,
-    source_video_track=ctx.output_video_track,
-    desired_playing_state=ctx.state.playing,
-    rtc_configuration=COMMON_RTC_CONFIG,
-    media_stream_constraints={"video": True, "audio": False},
-)