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[chore] Take account of rotation data when calculating full size image dimensions (#3159)

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* [chore] Take account of rotation data when calculating full size image dimensions

* boobies
This commit is contained in:
tobi
2024-07-31 20:43:39 +02:00
committed by GitHub
parent fd837776e2
commit 697261da53
3 changed files with 74 additions and 59 deletions
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103
internal/media/ffmpeg.go
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@@ -437,54 +437,6 @@ func (res *ffprobeResult) Process() (*result, error) {
}
}
// Preallocate streams to max possible lengths.
r.audio = make([]audioStream, 0, len(res.Streams))
r.video = make([]videoStream, 0, len(res.Streams))
// Convert streams to separate types.
for _, s := range res.Streams {
switch s.CodecType {
case "audio":
// Append audio stream data to result.
r.audio = append(r.audio, audioStream{
stream: stream{codec: s.CodecName},
})
case "video":
var framerate float32
// Parse stream framerate, bearing in
// mind that some static container formats
// (e.g. jpeg) still return a framerate, so
// we also check for a non-1 timebase (dts).
if str := s.RFrameRate; str != "" &&
s.DurationTS > 1 {
var num, den uint32
den = 1
// Check for inequality (numerator / denominator).
if p := strings.SplitN(str, "/", 2); len(p) == 2 {
n, _ := strconv.ParseUint(p[0], 10, 32)
d, _ := strconv.ParseUint(p[1], 10, 32)
num, den = uint32(n), uint32(d)
} else {
n, _ := strconv.ParseUint(p[0], 10, 32)
num = uint32(n)
}
// Set final divised framerate.
framerate = float32(num / den)
}
// Append video stream data to result.
r.video = append(r.video, videoStream{
stream: stream{codec: s.CodecName},
width: s.Width,
height: s.Height,
framerate: framerate,
})
}
}
// Check extra packet / frame information
// for provided orientation (not always set).
for _, pf := range res.PacketsAndFrames {
@@ -521,6 +473,61 @@ func (res *ffprobeResult) Process() (*result, error) {
}
}
// Preallocate streams to max possible lengths.
r.audio = make([]audioStream, 0, len(res.Streams))
r.video = make([]videoStream, 0, len(res.Streams))
// Convert streams to separate types.
for _, s := range res.Streams {
switch s.CodecType {
case "audio":
// Append audio stream data to result.
r.audio = append(r.audio, audioStream{
stream: stream{codec: s.CodecName},
})
case "video":
// Determine proper display dimensions,
// taking account of rotation data.
width, height := displayDimensions(
s.Width,
s.Height,
r.rotation,
)
// Parse stream framerate, bearing in
// mind that some static container formats
// (e.g. jpeg) still return a framerate, so
// we also check for a non-1 timebase (dts).
var framerate float32
if str := s.RFrameRate; str != "" &&
s.DurationTS > 1 {
var num, den uint32
den = 1
// Check for inequality (numerator / denominator).
if p := strings.SplitN(str, "/", 2); len(p) == 2 {
n, _ := strconv.ParseUint(p[0], 10, 32)
d, _ := strconv.ParseUint(p[1], 10, 32)
num, den = uint32(n), uint32(d)
} else {
n, _ := strconv.ParseUint(p[0], 10, 32)
num = uint32(n)
}
// Set final divised framerate.
framerate = float32(num / den)
}
// Append video stream data to result.
r.video = append(r.video, videoStream{
stream: stream{codec: s.CodecName},
width: width,
height: height,
framerate: framerate,
})
}
}
return &r, nil
}