Index: LayoutTests/http/tests/media/resources/media-source/generate-config-change-tests.py |
diff --git a/LayoutTests/http/tests/media/resources/media-source/generate-config-change-tests.py b/LayoutTests/http/tests/media/resources/media-source/generate-config-change-tests.py |
new file mode 100755 |
index 0000000000000000000000000000000000000000..4edb925b448af36041a4ca3f00ed28f12ab7068c |
--- /dev/null |
+++ b/LayoutTests/http/tests/media/resources/media-source/generate-config-change-tests.py |
@@ -0,0 +1,226 @@ |
+#!/usr/bin/python |
+# Copyright (C) 2013 Google Inc. All rights reserved. |
+# |
+# Redistribution and use in source and binary forms, with or without |
+# modification, are permitted provided that the following conditions are |
+# met: |
+# |
+# * Redistributions of source code must retain the above copyright |
+# notice, this list of conditions and the following disclaimer. |
+# * Redistributions in binary form must reproduce the above |
+# copyright notice, this list of conditions and the following disclaimer |
+# in the documentation and/or other materials provided with the |
+# distribution. |
+# * Neither the name of Google Inc. nor the names of its |
+# contributors may be used to endorse or promote products derived from |
+# this software without specific prior written permission. |
+# |
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ |
+""" |
+This is a script that generates the content and HTML files for Media Source |
+codec config change LayoutTests. |
+""" |
+import json |
+import os |
+ |
+DURATION = 2 |
+MEDIA_FORMATS = ['webm', 'mp4'] |
+ENCODE_SETTINGS = [ |
+ ## Video-only files |
+ # Frame rate changes |
+ {'fs': '320x240', 'fr': 24, 'kfr': 8, 'c': '#ff0000', 'vbr': 128, 'abr': 0, 'asr': 0, 'ach': 0, 'afreq': 0}, |
+ {'fs': '320x240', 'fr': 30, 'kfr': 10, 'c': '#ff0000', 'vbr': 128, 'abr': 0, 'asr': 0, 'ach': 0, 'afreq': 0}, |
+ # Frame size change |
+ {'fs': '640x480', 'fr': 30, 'kfr': 10, 'c': '#00ff00', 'vbr': 128, 'abr': 0, 'asr': 0, 'ach': 0, 'afreq': 0}, |
+ # Bitrate change |
+ {'fs': '320x240', 'fr': 30, 'kfr': 10, 'c': '#ff00ff', 'vbr': 256, 'abr': 0, 'asr': 0, 'ach': 0, 'afreq': 0}, |
+ |
+ ## Audio-only files |
+ # Bitrate/Codebook changes |
+ {'fs': '0x0', 'fr': 0, 'kfr': 0, 'c': '#000000', 'vbr': 0, 'abr': 128, 'asr': 44100, 'ach': 1, 'afreq': 2000}, |
+ {'fs': '0x0', 'fr': 0, 'kfr': 0, 'c': '#000000', 'vbr': 0, 'abr': 192, 'asr': 44100, 'ach': 1, 'afreq': 4000}, |
+ |
+ ## Audio-Video files |
+ # Frame size change. |
+ {'fs': '320x240', 'fr': 30, 'kfr': 10, 'c': '#ff0000', 'vbr': 256, 'abr': 128, 'asr': 44100, 'ach': 1, 'afreq': 2000}, |
+ {'fs': '640x480', 'fr': 30, 'kfr': 10, 'c': '#00ff00', 'vbr': 256, 'abr': 128, 'asr': 44100, 'ach': 1, 'afreq': 2000}, |
+ # Audio bitrate change. |
+ {'fs': '640x480', 'fr': 30, 'kfr': 10, 'c': '#00ff00', 'vbr': 256, 'abr': 192, 'asr': 44100, 'ach': 1, 'afreq': 4000}, |
+ # Video bitrate change. |
+ {'fs': '640x480', 'fr': 30, 'kfr': 10, 'c': '#00ffff', 'vbr': 512, 'abr': 128, 'asr': 44100, 'ach': 1, 'afreq': 2000}, |
+] |
+ |
+CONFIG_CHANGE_TESTS = [ |
+ ["v-framerate", 0, 1, "Tests %s video-only frame rate changes."], |
+ ["v-framesize", 1, 2, "Tests %s video-only frame size changes."], |
+ ["v-bitrate", 1, 3, "Tests %s video-only bitrate changes."], |
+ ["a-bitrate", 4, 5, "Tests %s audio-only bitrate changes."], |
+ ["av-framesize", 6, 7, "Tests %s frame size changes in multiplexed content."], |
+ ["av-audio-bitrate", 7, 8, "Tests %s audio bitrate changes in multiplexed content."], |
+ ["av-video-bitrate", 7, 9, "Tests %s video bitrate changes in multiplexed content."] |
+] |
+ |
+CODEC_INFO = { |
+ "mp4": {"audio": "mp4a.40.2", "video": "avc1.4D4001"}, |
+ "webm": {"audio": "vorbis", "video": "vp8"} |
+} |
+ |
+HTML_TEMPLATE = """<!DOCTYPE html> |
+<html> |
+ <head> |
+ <script src="/w3c/resources/testharness.js"></script> |
+ <script src="/w3c/resources/testharnessreport.js"></script> |
+ <script src="mediasource-util.js"></script> |
+ <script src="mediasource-config-changes.js"></script> |
+ <link rel="stylesheet" href="/w3c/resources/testharness.css"> |
+ </head> |
+ <body> |
+ <div id="log"></div> |
+ <script> |
+ mediaSourceConfigChangeTest("%(media_format)s", "%(idA)s", "%(idB)s", "%(description)s"); |
+ </script> |
+ </body> |
+</html> |
+""" |
+ |
+def run(cmd_line): |
+ os.system(" ".join(cmd_line)) |
+ |
+def generate_manifest(filename, media_filename, media_format, has_audio, has_video): |
+ major_type = "audio" |
+ if has_video: |
+ major_type = "video" |
+ |
+ codecs = [] |
+ if has_video: |
+ codecs.append(CODEC_INFO[media_format]["video"]) |
+ |
+ if has_audio: |
+ codecs.append(CODEC_INFO[media_format]["audio"]) |
+ |
+ mimetype = "%s/%s;codecs=\"%s\"" % (major_type, media_format, ",".join(codecs)) |
+ |
+ manifest = { 'url': media_filename, 'type': mimetype} |
+ |
+ f = open(filename, "wb") |
+ f.write(json.dumps(manifest, indent=4, separators=(',', ': '))) |
+ f.close() |
+ |
+def generate_test_html(media_format, config_change_tests, encoding_ids): |
+ for test_info in config_change_tests: |
+ filename = "../../media-source/mediasource-config-change-%s-%s.html" % (media_format, test_info[0]) |
+ html = HTML_TEMPLATE % {'media_format': media_format, |
+ 'idA': encoding_ids[test_info[1]], |
+ 'idB': encoding_ids[test_info[2]], |
+ 'description': test_info[3] % (media_format)} |
+ f = open(filename, "wb") |
+ f.write(html) |
+ f.close() |
+ |
+ |
+def main(): |
+ encoding_ids = [] |
+ |
+ for media_format in MEDIA_FORMATS: |
+ run(["mkdir ", media_format]) |
+ |
+ for settings in ENCODE_SETTINGS: |
+ video_bitrate = settings['vbr'] |
+ has_video = (video_bitrate > 0) |
+ |
+ audio_bitrate = settings['abr'] |
+ has_audio = (audio_bitrate > 0) |
+ bitrate = video_bitrate + audio_bitrate |
+ |
+ frame_size = settings['fs'] |
+ frame_rate = settings['fr'] |
+ keyframe_rate = settings['kfr'] |
+ color = settings['c'] |
+ |
+ sample_rate = settings['asr'] |
+ channels = settings['ach'] |
+ frequency = settings['afreq'] |
+ |
+ cmdline = ["ffmpeg", "-y"] |
+ |
+ id_prefix = "" |
+ id_params = "" |
+ if has_audio: |
+ id_prefix += "a" |
+ id_params += "-%sHz-%sch" % (sample_rate, channels) |
+ |
+ channel_layout = "FC" |
+ sin_func = "sin(%s*2*PI*t)" % frequency |
+ func = sin_func |
+ if channels == 2: |
+ channel_layout += "|BC" |
+ func += "|" + sin_func |
+ |
+ cmdline += ["-f", "lavfi", "-i", "aevalsrc=\"%s:s=%s:c=%s:d=%s\"" % (func, sample_rate, channel_layout, DURATION)] |
+ |
+ if has_video: |
+ id_prefix += "v" |
+ id_params += "-%s-%sfps-%skfr" % (frame_size, frame_rate, keyframe_rate) |
+ |
+ cmdline += ["-f", "lavfi", "-i", "color=%s:duration=%s:size=%s:rate=%s" % (color, DURATION, frame_size, frame_rate)] |
+ |
+ if has_audio: |
+ cmdline += ["-b:a", "%sk" % audio_bitrate] |
+ |
+ if has_video: |
+ cmdline += ["-b:v", "%sk" % video_bitrate] |
+ cmdline += ["-keyint_min", "%s" % keyframe_rate] |
+ cmdline += ["-g", "%s" % keyframe_rate] |
+ |
+ |
+ textOverlayInfo = "'drawtext=fontfile=Mono:fontsize=32:text=Time\\\\:\\\\ %{pts}" |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=32:text=Size\\\\:\\\\ %s" % (frame_size) |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=64:text=Bitrate\\\\:\\\\ %s" % (bitrate) |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=96:text=FrameRate\\\\:\\\\ %s" % (frame_rate) |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=128:text=KeyFrameRate\\\\:\\\\ %s" % (keyframe_rate) |
+ |
+ if has_audio: |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=160:text=SampleRate\\\\:\\\\ %s" % (sample_rate) |
+ textOverlayInfo += ",drawtext=fontfile=Mono:fontsize=32:y=192:text=Channels\\\\:\\\\ %s" % (channels) |
+ |
+ textOverlayInfo += "'" |
+ cmdline += ["-vf", textOverlayInfo] |
+ |
+ encoding_id = "%s-%sk%s" % (id_prefix, bitrate, id_params) |
+ |
+ if len(encoding_ids) < len(ENCODE_SETTINGS): |
+ encoding_ids.append(encoding_id) |
+ |
+ filename_base = "%s/test-%s" % (media_format, encoding_id) |
+ media_filename = filename_base + "." + media_format |
+ manifest_filename = filename_base + "-manifest.json" |
+ |
+ cmdline.append(media_filename) |
+ run(cmdline) |
+ |
+ # Remux file so it conforms to MSE bytestream requirements. |
+ if media_format == "webm": |
+ tmp_filename = media_filename + ".tmp" |
+ run(["mse_webm_remuxer", media_filename, tmp_filename]) |
+ run(["mv", tmp_filename, media_filename]) |
+ elif media_format == "mp4": |
+ run(["MP4Box", "-dash", "250", "-rap", media_filename]) |
+ run(["mv", filename_base + "_dash.mp4", media_filename]) |
+ run(["rm", filename_base + "_dash.mpd"]) |
+ |
+ generate_manifest(manifest_filename, media_filename, media_format, has_audio, has_video) |
+ generate_test_html(media_format, CONFIG_CHANGE_TESTS, encoding_ids) |
+ |
+if '__main__' == __name__: |
+ main() |