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first pass on XML/.mpd decoder, finds all BaseURL variations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT9.767S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT9.767S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2398602" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="270"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="902-993" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1203299" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="202"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4815509" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="404"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="608626" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-5" mimeType="video/mp4" startWithSAP="1" width="134"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="922-1013" indexRangeExact="true"> | ||
| <Initialization range="0-921" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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|---|---|---|
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| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT9.767S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT9.767S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2398602" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="270"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="902-993" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1203299" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="202"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4815509" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="404"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="608626" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-5" mimeType="video/mp4" startWithSAP="1" width="134"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="922-1013" indexRangeExact="true"> | ||
| <Initialization range="0-921" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT9.767S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT9.767S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2398602" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="270"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="902-993" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1203299" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="202"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4815509" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="404"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="608626" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-5" mimeType="video/mp4" startWithSAP="1" width="134"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="922-1013" indexRangeExact="true"> | ||
| <Initialization range="0-921" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT56.1S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT56.1S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2385146" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="854"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="923-1302" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1191540" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="640"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="903-1282" indexRangeExact="true"> | ||
| <Initialization range="0-902" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4715386" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="1280"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="902-1281" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="606496" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-4" mimeType="video/mp4" startWithSAP="1" width="426"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="902-1281" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| <AdaptationSet> | ||
| <Representation audioSamplingRate="48000" bandwidth="130177" codecs="mp4a.40.2" id="AUDIO-1" mimeType="audio/mp4" startWithSAP="1"> | ||
| <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" /> | ||
| <BaseURL>audio</BaseURL> | ||
| <SegmentBase indexRange="832-1211" indexRangeExact="true"> | ||
| <Initialization range="0-831" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT56.1S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT56.1S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2385146" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="854"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="923-1302" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1191540" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="640"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="903-1282" indexRangeExact="true"> | ||
| <Initialization range="0-902" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4715386" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="1280"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="902-1281" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="606496" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-4" mimeType="video/mp4" startWithSAP="1" width="426"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="902-1281" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| <AdaptationSet> | ||
| <Representation audioSamplingRate="48000" bandwidth="130177" codecs="mp4a.40.2" id="AUDIO-1" mimeType="audio/mp4" startWithSAP="1"> | ||
| <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" /> | ||
| <BaseURL>audio</BaseURL> | ||
| <SegmentBase indexRange="832-1211" indexRangeExact="true"> | ||
| <Initialization range="0-831" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" mediaPresentationDuration="PT43.046S" minBufferTime="PT4.99S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd"> | ||
| <Period duration="PT43.046S"> | ||
| <AdaptationSet contentType="audio" group="1" mimeType="audio/mp4" segmentAlignment="true" startWithSAP="1" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation audioSamplingRate="48000" bandwidth="131893" codecs="mp4a.40.2" id="audio_0_131893"> | ||
| <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" /> | ||
| <BaseURL>DASH_audio.mp4</BaseURL> | ||
| <SegmentBase indexRange="663-802" indexRangeExact="true" timescale="48000"> | ||
| <Initialization range="0-662" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| <AdaptationSet contentType="video" group="2" maxFrameRate="30" maxHeight="468" maxWidth="854" mimeType="video/mp4" par="1.85:1" sar="1:1" segmentAlignment="true" startWithSAP="1" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="600031" codecs="avc1.4D401E" frameRate="30" height="234" id="video_600031" scanType="progressive" width="426"> | ||
| <BaseURL>DASH_240.mp4</BaseURL> | ||
| <SegmentBase indexRange="767-906" indexRangeExact="true" timescale="3000"> | ||
| <Initialization range="0-766" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="800671" codecs="avc1.4D401E" frameRate="30" height="352" id="video_800671" scanType="progressive" width="640"> | ||
| <BaseURL>DASH_360.mp4</BaseURL> | ||
| <SegmentBase indexRange="766-905" indexRangeExact="true" timescale="3000"> | ||
| <Initialization range="0-765" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1204314" codecs="avc1.4D401F" frameRate="30" height="468" id="video_1204314" scanType="progressive" width="854"> | ||
| <BaseURL>DASH_480.mp4</BaseURL> | ||
| <SegmentBase indexRange="764-903" indexRangeExact="true" timescale="3000"> | ||
| <Initialization range="0-763" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| Original file line number | Diff line number | Diff line change |
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| <MPD xmlns="urn:mpeg:dash:schema:mpd:2011" mediaPresentationDuration="PT9.767S" minBufferTime="PT1.500S" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" type="static"> | ||
| <Period duration="PT9.767S"> | ||
| <AdaptationSet segmentAlignment="true" subsegmentAlignment="true" subsegmentStartsWithSAP="1"> | ||
| <Representation bandwidth="2398602" codecs="avc1.4d401f" frameRate="30" height="480" id="VIDEO-1" mimeType="video/mp4" startWithSAP="1" width="270"> | ||
| <BaseURL>DASH_2_4_M</BaseURL> | ||
| <SegmentBase indexRange="902-993" indexRangeExact="true"> | ||
| <Initialization range="0-901" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="1203299" codecs="avc1.4d401e" frameRate="30" height="360" id="VIDEO-2" mimeType="video/mp4" startWithSAP="1" width="202"> | ||
| <BaseURL>DASH_1_2_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="4815509" codecs="avc1.4d401f" frameRate="30" height="720" id="VIDEO-3" mimeType="video/mp4" startWithSAP="1" width="404"> | ||
| <BaseURL>DASH_4_8_M</BaseURL> | ||
| <SegmentBase indexRange="923-1014" indexRangeExact="true"> | ||
| <Initialization range="0-922" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| <Representation bandwidth="608626" codecs="avc1.4d401e" frameRate="30" height="240" id="VIDEO-5" mimeType="video/mp4" startWithSAP="1" width="134"> | ||
| <BaseURL>DASH_600_K</BaseURL> | ||
| <SegmentBase indexRange="922-1013" indexRangeExact="true"> | ||
| <Initialization range="0-921" /> | ||
| </SegmentBase> | ||
| </Representation> | ||
| </AdaptationSet> | ||
| </Period> | ||
| </MPD> |
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| @@ -0,0 +1,37 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/xml" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| ) | ||
|
|
||
| type BaseUrl struct { | ||
| Data string `xml:",chardata"` | ||
| } | ||
|
|
||
| // decode returns all variations of BaseUrl in a DASHPlaylist.mpd file. | ||
| func decode(fileName string) []string { | ||
| f, _ := os.Open(fileName) | ||
| dec := xml.NewDecoder(f) | ||
| var stack []string | ||
| for { | ||
| tok, err := dec.Token() | ||
| if err == io.EOF { | ||
| break | ||
| } else if err != nil { | ||
| fmt.Fprintf(os.Stderr, "xmlselect: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| switch tok := tok.(type) { | ||
| case xml.StartElement: | ||
| if tok.Name.Local == "BaseURL" { | ||
| var Url BaseUrl | ||
| _ = dec.DecodeElement(&Url, &tok) | ||
| stack = append(stack, Url.Data) | ||
| } | ||
| } | ||
| } | ||
| return stack | ||
| } |
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| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "strings" | ||
| "testing" | ||
| ) | ||
|
|
||
| func Test_decode(t *testing.T) { | ||
| dashDir := "./DashFiles/" | ||
| fs, _ := ioutil.ReadDir(dashDir) | ||
| for _, f := range fs { | ||
| if strings.HasSuffix(f.Name(), ".mpd") { | ||
| list := decode(dashDir + f.Name()) | ||
| fmt.Println(list) | ||
| } | ||
| } | ||
| } |