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# styletest: ignore E501
"""
Tests specific to parsing ffmpeg header.
"""
from imageio_ffmpeg._parsing import cvsecs, limit_lines, parse_ffmpeg_header
def dedent(text, dedent=8):
lines = [line[dedent:] for line in text.splitlines()]
text = "\n".join(lines)
return text.strip() + "\n"
def test_cvsecs():
assert cvsecs(20) == 20
assert cvsecs(2, 20) == (2 * 60) + 20
assert cvsecs(2, 3, 20) == (2 * 3600) + (3 * 60) + 20
def test_limit_lines():
lines = ["foo"] * 10
assert len(limit_lines(lines)) == 10
lines = ["foo"] * 50
assert len(limit_lines(lines)) == 50 # < 2 * N
lines = ["foo"] * 70 + ["bar"]
lines2 = limit_lines(lines)
assert len(lines2) == 33 # > 2 * N
assert b"last few lines" in lines2[0]
assert "bar" == lines2[-1]
def test_get_correct_fps1():
# from issue imageio#262
sample = dedent(
r"""
fmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libavresample 3. 1. 0 / 3. 1. 0
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/echeng/video.mp4':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isom3gp43gp5
Duration: 00:16:05.80, start: 0.000000, bitrate: 1764 kb/s
Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 40 kb/s (default)
Metadata:
handler_name : soun
Stream #0:1(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 1720 kb/s, 29.46 fps, 26.58 tbr, 90k tbn, 1k tbc (default)
Metadata:
handler_name : vide
Output #0, image2pipe, to 'pipe:':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isom3gp43gp5
encoder : Lavf57.56.100
Stream #0:0(eng): Video: rawvideo (RGB[24] / 0x18424752), rgb24, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 26.58 fps, 26.58 tbn, 26.58 tbc (default)
Metadata:
handler_name : vide
encoder : Lavc57.64.101 rawvideo
Stream mapping:
"""
)
info = parse_ffmpeg_header(sample)
assert info["fps"] == 29.46
def test_get_correct_fps2():
# from issue imageio#262
sample = dedent(
r"""
ffprobe version 3.2.2 Copyright (c) 2007-2016 the FFmpeg developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.2.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.1.2/include/openjpeg-2.1 --enable-nonfree --enable-vda
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libavresample 3. 1. 0 / 3. 1. 0
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
Metadata:
major_brand : mp42
minor_version : 1
compatible_brands: isom3gp43gp5
Duration: 00:08:44.53, start: 0.000000, bitrate: 1830 kb/s
Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 40 kb/s (default)
Metadata:
handler_name : soun
Stream #0:1(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 1785 kb/s, 29.27 fps, 1k tbr, 90k tbn, 1k tbc (default)
Metadata:
handler_name : vide
"""
)
info = parse_ffmpeg_header(sample)
assert info["fps"] == 29.27
def test_get_correct_rotation():
# from issue imageio-ffmpeg#38
sample = dedent(
r"""
ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
built with Apple clang version 11.0.0 (clang-1100.0.33.8)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-appkit --enable-avfoundation --enable-coreimage --enable-audiotoolbox
libavutil 56. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavdevice 58. 8.100 / 58. 8.100
libavfilter 7. 57.100 / 7. 57.100
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
libpostproc 55. 5.100 / 55. 5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/var/folders/82/6_ww__k94ms56ldtsph50pqc0000gn/T/imageio_sievk8ws':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2020-06-18T12:31:32.000000Z
com.android.version: 10
Duration: 00:00:01.07, start: 0.000000, bitrate: 2661 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt470bg/bt470bg/smpte170m), 720x480, 2636 kb/s, SAR 1:1 DAR 3:2, 30.01 fps, 120 tbr, 90k tbn, 180k tbc (default)
Metadata:
rotate : 270
creation_time : 2020-06-18T12:31:32.000000Z
handler_name : VideoHandle
Side data:
displaymatrix: rotation of 90.00 degrees
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
Press [q] to stop, [?] for help
[swscaler @ 0x7f95cd92da00] deprecated pixel format used, make sure you did set range correctly
Output #0, image2pipe, to 'pipe:':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
com.android.version: 10
encoder : Lavf58.29.100
Stream #0:0(eng): Video: rawvideo (RGB[24] / 0x18424752), rgb24, 480x720 [SAR 1:1 DAR 2:3], q=2-31, 995328 kb/s, 120 fps, 120 tbn, 120 tbc (default)
"""
)
info = parse_ffmpeg_header(sample)
assert info["rotate"] == 270
def test_comma_in_pixel_format():
sample = dedent(
r"""
ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 11.3.0 (conda-forge gcc 11.3.0-19)
configuration: --prefix=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_plac --cc=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_build_env/bin/x86_64-conda-linux-gnu-cc --cxx=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_build_env/bin/x86_64-conda-linux-gnu-c++ --nm=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_build_env/bin/x86_64-conda-linux-gnu-nm --ar=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_build_env/bin/x86_64-conda-linux-gnu-ar --disable-doc --disable-openssl --enable-demuxer=dash --enable-hardcoded-tables --enable-libfreetype --enable-libfontconfig --enable-libopenh264 --enable-gnutls --enable-libmp3lame --enable-libvpx --enable-pthreads --enable-vaapi --disable-gpl --enable-libaom --enable-libsvtav1 --enable-libxml2 --enable-pic --enable-shared --disable-static --enable-version3 --enable-zlib --pkg-config=/home/conda/feedstock_root/build_artifacts/ffmpeg_1671040268898/_build_env/bin/pkg-config
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/tmp/pytest-of-mark/pytest-39/test_writer_pixelformat_size_v0/test.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf59.27.100
Duration: 00:00:00.40, start: 0.000000, bitrate: 18 kb/s
Stream #0:0[0x1](und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, progressive), 64x64, 1 kb/s, 10 fps, 10 tbr, 10240 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
encoder : Lavc59.37.100 libopenh264
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
Press [q] to stop, [?] for help
Output #0, image2pipe, to 'pipe:':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf59.27.100
Stream #0:0(und): Video: rawvideo (RGB[24] / 0x18424752), rgb24(pc, gbr/unknown/unknown, progressive), 64x64, q=2-31, 983 kb/s, 10 fps, 10 tbn (default)
"""
)
info = parse_ffmpeg_header(sample)
assert info["pix_fmt"] == "yuv420p(tv, progressive)"
if __name__ == "__main__":
test_cvsecs()
test_limit_lines()
test_get_correct_fps1()
test_get_correct_fps2()
test_get_correct_rotation()
test_comma_in_pixel_format()
|
