diff --git a/docs/docs.go b/docs/docs.go
index dcf1bff7..e669244d 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -7899,6 +7899,9 @@ const docTemplate = `{
                         "$ref": "#/definitions/api.ProcessProgressOutput"
                     }
                 },
+                "speed": {
+                    "type": "number"
+                },
                 "time": {
                     "type": "number"
                 }
@@ -7959,6 +7962,9 @@ const docTemplate = `{
                 "id": {
                     "type": "string"
                 },
+                "q": {
+                    "type": "number"
+                },
                 "type": {
                     "type": "string"
                 }
diff --git a/docs/swagger.json b/docs/swagger.json
index 712a41ae..5138c385 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -7892,6 +7892,9 @@
                         "$ref": "#/definitions/api.ProcessProgressOutput"
                     }
                 },
+                "speed": {
+                    "type": "number"
+                },
                 "time": {
                     "type": "number"
                 }
@@ -7952,6 +7955,9 @@
                 "id": {
                     "type": "string"
                 },
+                "q": {
+                    "type": "number"
+                },
                 "type": {
                     "type": "string"
                 }
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 32d228e6..8a71a60d 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -1587,6 +1587,8 @@ definitions:
         items:
           $ref: '#/definitions/api.ProcessProgressOutput'
         type: array
+      speed:
+        type: number
       time:
         type: number
     type: object
@@ -1626,6 +1628,8 @@ definitions:
         type: number
       id:
         type: string
+      q:
+        type: number
       type:
         type: string
     type: object
diff --git a/event/process.go b/event/process.go
index 0ff6ca98..d0edd74c 100644
--- a/event/process.go
+++ b/event/process.go
@@ -101,6 +101,7 @@ type ProcessProgressOutput struct {
 	Type    string
 	Bitrate float64
 	FPS     float64
+	Quality float64
 }
 
 func (p *ProcessProgressOutput) Clone() ProcessProgressOutput {
@@ -110,6 +111,7 @@ func (p *ProcessProgressOutput) Clone() ProcessProgressOutput {
 		Type:    p.Type,
 		Bitrate: p.Bitrate,
 		FPS:     p.FPS,
+		Quality: p.Quality,
 	}
 
 	return c
@@ -119,6 +121,7 @@ type ProcessProgress struct {
 	Input  []ProcessProgressInput
 	Output []ProcessProgressOutput
 	Time   float64
+	Speed  float64
 }
 
 func (p *ProcessProgress) Clone() *ProcessProgress {
@@ -133,6 +136,7 @@ func (p *ProcessProgress) Clone() *ProcessProgress {
 	}
 
 	c.Time = p.Time
+	c.Speed = p.Speed
 
 	return &c
 }
diff --git a/ffmpeg/parse/parser.go b/ffmpeg/parse/parser.go
index 3597a4df..548d9064 100644
--- a/ffmpeg/parse/parser.go
+++ b/ffmpeg/parse/parser.go
@@ -469,7 +469,8 @@ func (p *parser) Parse(line []byte) uint64 {
 
 	progress := p.assembleProgress()
 	evt := &event.ProcessProgress{
-		Time: progress.Time,
+		Time:  progress.Time,
+		Speed: progress.Speed,
 	}
 
 	for _, io := range progress.Input {
@@ -504,6 +505,7 @@ func (p *parser) Parse(line []byte) uint64 {
 			Type:    io.Type,
 			Bitrate: io.Bitrate,
 			FPS:     io.FPS,
+			Quality: io.Quantizer,
 		})
 	}
 
diff --git a/http/api/event.go b/http/api/event.go
index 7794c95c..faa0d023 100644
--- a/http/api/event.go
+++ b/http/api/event.go
@@ -301,6 +301,7 @@ type ProcessProgressOutput struct {
 	Type    string      `json:"type"`
 	Bitrate json.Number `json:"bitrate" swaggertype:"number" jsonschema:"type=number"`
 	FPS     json.Number `json:"fps" swaggertype:"number" jsonschema:"type=number"`
+	Quality json.Number `json:"q" swaggertype:"number" jsonschema:"type=number"`
 }
 
 func (p *ProcessProgressOutput) Marshal() event.ProcessProgressOutput {
@@ -317,6 +318,10 @@ func (p *ProcessProgressOutput) Marshal() event.ProcessProgressOutput {
 		o.FPS = x
 	}
 
+	if x, err := p.Quality.Float64(); err == nil {
+		o.Quality = x
+	}
+
 	return o
 }
 
@@ -324,6 +329,7 @@ type ProcessProgress struct {
 	Input  []ProcessProgressInput  `json:"input"`
 	Output []ProcessProgressOutput `json:"output"`
 	Time   json.Number             `json:"time" swaggertype:"number" jsonschema:"type=number"`
+	Speed  json.Number             `json:"speed" swaggertype:"number" jsonschema:"type=number"`
 }
 
 func (p *ProcessProgress) Unmarshal(e *event.ProcessProgress) {
@@ -345,10 +351,12 @@ func (p *ProcessProgress) Unmarshal(e *event.ProcessProgress) {
 			Type:    io.Type,
 			Bitrate: json.ToNumber(io.Bitrate),
 			FPS:     json.ToNumber(io.FPS),
+			Quality: json.ToNumber(io.Quality),
 		})
 	}
 
 	p.Time = json.ToNumber(e.Time)
+	p.Speed = json.ToNumber(e.Speed)
 }
 
 func (p *ProcessProgress) Marshal() *event.ProcessProgress {
@@ -358,6 +366,10 @@ func (p *ProcessProgress) Marshal() *event.ProcessProgress {
 		e.Time = x
 	}
 
+	if x, err := p.Speed.Float64(); err == nil {
+		e.Speed = x
+	}
+
 	for _, input := range p.Input {
 		e.Input = append(e.Input, input.Marshal())
 	}