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Changed to use BandwidthEstimator in MediaPlaylist 

Preparing for addressing #361.

Change-Id: I4b2e834948e681bc790efc61b63a24d44f70015d
This commit is contained in:
KongQun Yang 2018-05-30 18:28:16 -07:00
parent 418e741f7f
commit 6b4a75b6ba
28 changed files with 68 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
packager/app/test/testdata/avc-aac-ts-language/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",LANGUAGE="pt",NAME="stream_0",DEFAULT=YES,AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-aac-ts/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ac3-ts-to-mp4/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ac3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1168319,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1168321,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ac3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214291,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214292,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ac3-ts-with-encryption/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ac3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1242861,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1242863,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ac3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ac3-ts/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ac3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1242861,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1242863,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ac3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-aac-packed-audio-with-encryption/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1154997,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1154999,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-ac3-packed-audio-with-encryption/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ac3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1216576,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1216578,CODECS="avc1.64001e,ac-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ac3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ac3-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-event-playlist/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-live-playlist-with-key-rotation/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-live-playlist/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-with-encryption-and-fairplay/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

2
packager/app/test/testdata/avc-ts-with-encryption-exercise-emulation-prevention/output.m3u8 vendored
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@ -1,7 +1,7 @@
#EXTM3U
## Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>
#EXT-X-STREAM-INF:BANDWIDTH=1183948,CODECS="avc1.64001f",RESOLUTION=1024x436
#EXT-X-STREAM-INF:BANDWIDTH=1183949,CODECS="avc1.64001f",RESOLUTION=1024x436
sintel-1024x436-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=745984,CODECS="avc1.64001f",RESOLUTION=1024x436,URI="sintel-1024x436-video-iframe.m3u8"

4
packager/app/test/testdata/avc-ts-with-encryption/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1217518,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1217520,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/ec3-and-hls-single-segment-mp4-encrypted/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ec3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1174212,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1174214,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ec3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218704,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ec3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218705,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ec3-video-iframe.m3u8"

4
packager/app/test/testdata/ec3-packed-audio-encrypted/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-ec3-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1216653,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1216655,CODECS="avc1.64001e,ec-3",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-ec3-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238897,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ec3-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=238898,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-ec3-video-iframe.m3u8"

4
packager/app/test/testdata/encryption-and-ad-cues-split-content/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1152419,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1152421,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218704,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218705,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/hls-audio-video-text-with-ad-cues/output.m3u8 vendored
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@ -5,7 +5,7 @@
#EXT-X-MEDIA:TYPE=SUBTITLES,URI="bear-subtitle-english-text.m3u8",GROUP-ID="default-text-group",NAME="stream_0",AUTOSELECT=YES
#EXT-X-STREAM-INF:BANDWIDTH=1150004,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
#EXT-X-STREAM-INF:BANDWIDTH=1150006,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214291,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214292,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

2
packager/app/test/testdata/hls-multi-segment-mp4-with-custom-path/output.m3u8 vendored
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@ -3,5 +3,5 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="audio/audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1105129,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1105131,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
video/video.m3u8

2
packager/app/test/testdata/hls-segmented-webvtt/output.m3u8 vendored
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@ -5,5 +5,5 @@
#EXT-X-MEDIA:TYPE=SUBTITLES,URI="stream_0.m3u8",GROUP-ID="default-text-group",NAME="stream_0",AUTOSELECT=YES
#EXT-X-STREAM-INF:BANDWIDTH=1105129,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
#EXT-X-STREAM-INF:BANDWIDTH=1105131,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
stream_2.m3u8

4
packager/app/test/testdata/hls-single-segment-mp4-encrypted-and-ad-cues/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1152419,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1152421,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218704,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218705,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

4
packager/app/test/testdata/hls-single-segment-mp4-encrypted/output.m3u8 vendored
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@ -3,7 +3,7 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="bear-640x360-audio.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=1111147,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=1111149,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218704,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=218705,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

2
packager/app/test/testdata/live-profile-with-webm/output.m3u8 vendored
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@ -3,5 +3,5 @@
#EXT-X-MEDIA:TYPE=AUDIO,URI="stream_0.m3u8",GROUP-ID="default-audio-group",NAME="stream_0",AUTOSELECT=YES,CHANNELS="2"
#EXT-X-STREAM-INF:BANDWIDTH=556351,CODECS="vp08.00.10.08.01.02.02.02.00,vorbis",RESOLUTION=640x360,AUDIO="default-audio-group"
#EXT-X-STREAM-INF:BANDWIDTH=556353,CODECS="vp08.00.10.08.01.02.02.02.00,vorbis",RESOLUTION=640x360,AUDIO="default-audio-group"
stream_1.m3u8

4
packager/app/test/testdata/vtt-text-to-mp4-with-ad-cues/output.m3u8 vendored
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@ -5,7 +5,7 @@
#EXT-X-MEDIA:TYPE=SUBTITLES,URI="bear-subtitle-english-text.m3u8",GROUP-ID="default-text-group",NAME="stream_0",AUTOSELECT=YES
#EXT-X-STREAM-INF:BANDWIDTH=1150004,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
#EXT-X-STREAM-INF:BANDWIDTH=1150006,CODECS="avc1.64001e,mp4a.40.2",RESOLUTION=640x360,AUDIO="default-audio-group",SUBTITLES="default-text-group"
bear-640x360-video.m3u8
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214291,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"
#EXT-X-I-FRAME-STREAM-INF:BANDWIDTH=214292,CODECS="avc1.64001e",RESOLUTION=640x360,URI="bear-640x360-video-iframe.m3u8"

9
packager/hls/base/media_playlist.cc
View File

@ -330,7 +330,8 @@ MediaPlaylist::MediaPlaylist(const HlsParams& hls_params,
: hls_params_(hls_params),
file_name_(file_name),
name_(name),
group_id_(group_id) {}
group_id_(group_id),
bandwidth_estimator_(BandwidthEstimator::kUseAllBlocks) {}
MediaPlaylist::~MediaPlaylist() {}
@ -462,7 +463,7 @@ bool MediaPlaylist::WriteToFile(const std::string& file_path) {
uint64_t MediaPlaylist::Bitrate() const {
if (media_info_.has_bandwidth())
return media_info_.bandwidth();
return max_bitrate_;
return bandwidth_estimator_.Max();
}
double MediaPlaylist::GetLongestSegmentDuration() const {
@ -523,10 +524,8 @@ void MediaPlaylist::AddSegmentInfoEntry(const std::string& segment_file_name,
static_cast<double>(duration) / time_scale_;
longest_segment_duration_ =
std::max(longest_segment_duration_, segment_duration_seconds);
bandwidth_estimator_.AddBlock(size, segment_duration_seconds);
const int kBitsInByte = 8;
const uint64_t bitrate = kBitsInByte * size / segment_duration_seconds;
max_bitrate_ = std::max(max_bitrate_, bitrate);
entries_.emplace_back(new SegmentInfoEntry(
segment_file_name, start_time_seconds, segment_duration_seconds,
use_byte_range_, start_byte_offset, size, previous_segment_end_offset_));

3
packager/hls/base/media_playlist.h
View File

@ -13,6 +13,7 @@
#include "packager/base/macros.h"
#include "packager/hls/public/hls_params.h"
#include "packager/mpd/base/bandwidth_estimator.h"
#include "packager/mpd/base/media_info.pb.h"
namespace shaka {
@ -214,7 +215,7 @@ class MediaPlaylist {
double longest_segment_duration_ = 0.0;
uint32_t time_scale_ = 0;
uint64_t max_bitrate_ = 0;
BandwidthEstimator bandwidth_estimator_;
// Cache the previous calls AddSegment() end offset. This is used to construct
// SegmentInfoEntry.

1
packager/hls/hls.gyp
View File

@ -29,6 +29,7 @@
'../file/file.gyp:file',
'../media/base/media_base.gyp:media_base',
'../media/base/media_base.gyp:widevine_pssh_data_proto',
'../mpd/mpd.gyp:manifest_base',
'../mpd/mpd.gyp:media_info_proto',
],
},

8
packager/mpd/base/bandwidth_estimator.cc
View File

@ -17,9 +17,11 @@ BandwidthEstimator::BandwidthEstimator(size_t num_blocks)
BandwidthEstimator::~BandwidthEstimator() {}
void BandwidthEstimator::AddBlock(uint64_t size, double duration) {
DCHECK_GT(duration, 0.0);
DCHECK_GT(size, 0u);
if (size == 0 || duration == 0) {
LOG(WARNING) << "Ignore block with size=" << size
<< ", duration=" << duration;
return;
}
const int kBitsInByte = 8;
const double bits_per_second_reciprocal = duration / (kBitsInByte * size);
sliding_queue_.Add(bits_per_second_reciprocal);

16
packager/mpd/mpd.gyp
View File

@ -23,14 +23,25 @@
},
'includes': ['../protoc.gypi'],
},
{
# Used by both MPD and HLS. It should really be moved to a common
# directory shared by MPD and HLS.
'target_name': 'manifest_base',
'type': 'static_library',
'sources': [
'base/bandwidth_estimator.cc',
'base/bandwidth_estimator.h',
],
'dependencies': [
'../base/base.gyp:base',
],
},
{
'target_name': 'mpd_builder',
'type': 'static_library',
'sources': [
'base/adaptation_set.cc',
'base/adaptation_set.h',
'base/bandwidth_estimator.cc',
'base/bandwidth_estimator.h',
'base/content_protection_element.cc',
'base/content_protection_element.h',
'base/mpd_builder.cc',
@ -60,6 +71,7 @@
'../third_party/gflags/gflags.gyp:gflags',
'../third_party/libxml/libxml.gyp:libxml',
'../version/version.gyp:version',
'manifest_base',
'media_info_proto',
],
'export_dependent_settings': [