def test_overlay_watermark_image(self):
video_in = "a.mkv"
image_in = "a.png"
video_codec = VideoCodecs.H264(constant_rate_factor=13.0)
audio_codec = AudioCodecs.AAC(bitrate="256k", channels=2, sampling_rate=48000)
video_outstream = VideoOutstream(video_in, video_codec)
video_outstream.add_overlay(VideoInstream(image_in))
audio_outstream = AudioOutstream(video_in, audio_codec)
ffmpeg = FFmpeg([video_outstream, audio_outstream], Container.M4V)
self.assertEqual(
ffmpeg.command[:-1],
[
"/usr/local/bin/ffmpeg",
"-y",
"-i",
video_in,
"-i",
image_in,
"-filter_complex",
"[0:v][1:v:0]overlay=0:0[vf0_out]",
"-map",
"[vf0_out]",
"-c:v",
"h264",
"-crf",
"13.0",
"-pix_fmt",
"yuv420p",
"-profile:v",
"high",
"-level",
"4.0",
"-map",
"0:a:0",
"-c:a:0",
"libfdk_aac",
"-b:a:0",
"256k",
"-ac:a:0",
"2",
"-ar:a:0",
"48000",
"-threads",
"0",
],
)
def test_hardburn_text_subtitle(self):
src = "a.mkv"
subtitle_path = "b.srt"
video_codec = VideoCodecs.H264(constant_rate_factor=13.0)
audio_codec = AudioCodecs.AAC(bitrate="256k", channels=2, sampling_rate=48000)
video_outstream = VideoOutstream(src, video_codec)
video_outstream.add_subtitle(subtitle_path)
audio_outstream = AudioOutstream(src, audio_codec)
ffmpeg = FFmpeg([video_outstream, audio_outstream], Container.M4V)
self.assertEqual(
ffmpeg.command[:-1],
[
"/usr/local/bin/ffmpeg",
"-y",
"-i",
src,
"-filter_complex",
"[0:v]subtitles=%s[vf0_out]" % subtitle_path,
"-map",
"[vf0_out]",
"-c:v",
"h264",
"-crf",
"13.0",
"-pix_fmt",
"yuv420p",
"-profile:v",
"high",
"-level",
"4.0",
"-map",
"0:a:0",
"-c:a:0",
"libfdk_aac",
"-b:a:0",
"256k",
"-ac:a:0",
"2",
"-ar:a:0",
"48000",
"-threads",
"0",
],
)
def test_video_presentation_timestamp(self):
src = "a.mkv"
video_codec = VideoCodecs.H264(constant_rate_factor=13.0)
audio_codec = AudioCodecs.AAC(bitrate="256k", channels=2, sampling_rate=48000)
video_outstream = VideoOutstream(src, video_codec)
video_outstream.add_presentation_timestamp(0.5)
audio_outstream = AudioOutstream(src, audio_codec)
ffmpeg = FFmpeg([video_outstream, audio_outstream], Container.MATROSKA)
self.assertEqual(
ffmpeg.command[:-1],
[
"/usr/local/bin/ffmpeg",
"-y",
"-i",
src,
"-filter_complex",
"[0:v]setpts=0.5*PTS[vf0_out]",
"-map",
"[vf0_out]",
"-c:v",
"h264",
"-crf",
"13.0",
"-pix_fmt",
"yuv420p",
"-profile:v",
"high",
"-level",
"4.0",
"-map",
"0:a:0",
"-c:a:0",
"libfdk_aac",
"-b:a:0",
"256k",
"-ac:a:0",
"2",
"-ar:a:0",
"48000",
"-threads",
"0",
],
)
