Make read_video_meta_data_from_memory and read_video_from_memory private (#2077) (#2084)

Summary:
Pull Request resolved: https://github.com/pytorch/vision/pull/2077

Pull Request resolved: https://github.com/facebookresearch/SlowFast/pull/164

This is a follow-up diff from D18720474

We will be releasing a new version of torchvision soon and the signature of those functions is not ready yet, following my comment in https://our.intern.facebook.com/intern/diff/D18720474/?transaction_id=561239541337402



Reviewed By: stephenyan1231

Differential Revision: D20914571

fbshipit-source-id: 1a7560b8f8e46ab42ef376c50b494a4f73923e94
Co-authored-by: Francisco Massa <fmassa@fb.com>

test/test_video_reader.py

@@ -1183,8 +1183,8 @@ class TestVideoReader(unittest.TestCase):
             probe_result = torch.ops.video_reader.probe_video_from_memory(video_tensor)
             self.check_probe_result(probe_result, config)
 
-    def test_read_video_meta_data_from_memory_script(self):
-        scripted_fun = torch.jit.script(io.read_video_meta_data_from_memory)
+    def test_probe_video_from_memory_script(self):
+        scripted_fun = torch.jit.script(io._probe_video_from_memory)
         self.assertIsNotNone(scripted_fun)
 
         for test_video, config in test_videos.items():
@@ -1205,7 +1205,7 @@ class TestVideoReader(unittest.TestCase):
         audio_start_pts, audio_end_pts = 0, -1
         audio_timebase_num, audio_timebase_den = 0, 1
 
-        scripted_fun = torch.jit.script(io.read_video_from_memory)
+        scripted_fun = torch.jit.script(io._read_video_from_memory)
         self.assertIsNotNone(scripted_fun)
 
         for test_video, _config in test_videos.items():
@@ -1219,6 +1219,7 @@ class TestVideoReader(unittest.TestCase):
                 width,
                 height,
                 min_dimension,
+                max_dimension,
                 [video_start_pts, video_end_pts],
                 video_timebase_num,
                 video_timebase_den,
@@ -1228,7 +1229,6 @@ class TestVideoReader(unittest.TestCase):
                 [audio_start_pts, audio_end_pts],
                 audio_timebase_num,
                 audio_timebase_den,
-                max_dimension,
             )
             # FUTURE: check value of video / audio frames
 

torchvision/io/__init__.py

@@ -11,8 +11,6 @@ from ._video_opt import (
 )
 from .video import (
     read_video,
-    read_video_from_memory,
-    read_video_meta_data_from_memory,
     read_video_timestamps,
     write_video,
 )
@@ -22,8 +20,6 @@ __all__ = [
     "write_video",
     "read_video",
     "read_video_timestamps",
-    "read_video_meta_data_from_memory",
-    "read_video_from_memory",
     "_read_video_from_file",
     "_read_video_timestamps_from_file",
     "_probe_video_from_file",

torchvision/io/video.py

@@ -347,47 +347,3 @@ def read_video_timestamps(filename, pts_unit="pts"):
         pts = [x * video_time_base for x in pts]
 
     return pts, video_fps
-
-
-def read_video_meta_data_from_memory(video_data):
-    # type: (torch.Tensor) -> VideoMetaData
-    return _video_opt._probe_video_from_memory(video_data)
-
-
-def read_video_from_memory(
-    video_data,  # type: torch.Tensor
-    seek_frame_margin=0.25,  # type: float
-    read_video_stream=1,  # type: int
-    video_width=0,  # type: int
-    video_height=0,  # type: int
-    video_min_dimension=0,  # type: int
-    video_pts_range=(0, -1),  # type: List[int]
-    video_timebase_numerator=0,  # type: int
-    video_timebase_denominator=1,  # type: int
-    read_audio_stream=1,  # type: int
-    audio_samples=0,  # type: int
-    audio_channels=0,  # type: int
-    audio_pts_range=(0, -1),  # type: List[int]
-    audio_timebase_numerator=0,  # type: int
-    audio_timebase_denominator=1,  # type: int
-    video_max_dimension=0,  # type: int
-):
-    # type: (...) -> Tuple[torch.Tensor, torch.Tensor]
-    return _video_opt._read_video_from_memory(
-        video_data,
-        seek_frame_margin,
-        read_video_stream,
-        video_width,
-        video_height,
-        video_min_dimension,
-        video_max_dimension,
-        video_pts_range,
-        video_timebase_numerator,
-        video_timebase_denominator,
-        read_audio_stream,
-        audio_samples,
-        audio_channels,
-        audio_pts_range,
-        audio_timebase_numerator,
-        audio_timebase_denominator,
-    )