add flag to remove unpublished videos

refactor code
add workaround for SDK bug
add code to remove unpublished videos
fix alt downloader to only produce mp4
add missing height and width
add tags sorting
add a few channel wide tags

sdk/api.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/lbryio/lbry.go/extras/api"
 	"github.com/lbryio/lbry.go/extras/errors"
 	"github.com/lbryio/lbry.go/extras/null"
 
@@ -167,6 +168,34 @@ const (
 	VideoStatusFailed    = "failed"
 )
 
+func (a *APIConfig) DeleteVideos(videos []string) error {
+	endpoint := a.ApiURL + "/yt/video_status"
+	videoIDs := strings.Join(videos, ",")
+	vals := url.Values{
+		"video_id":   {videoIDs},
+		"auth_token": {a.ApiToken},
+	}
+	res, _ := http.PostForm(endpoint, vals)
+	defer res.Body.Close()
+	body, _ := ioutil.ReadAll(res.Body)
+	response := api.Response{}
+	err := json.Unmarshal(body, response)
+	if err != nil {
+		return errors.Err(err)
+	}
+	if response.Error != nil {
+		return errors.Err(response.Error)
+	}
+	str, ok := response.Data.(string)
+	if !ok {
+		return errors.Err("%x", response.Data)
+	}
+	if str != "ok" {
+		return errors.Err(str)
+	}
+	return nil
+}
+
 func (a *APIConfig) MarkVideoStatus(channelID string, videoID string, status string, claimID string, claimName string, failureReason string, size *int64, metadataVersion uint) error {
 	endpoint := a.ApiURL + "/yt/video_status"