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Removed args from NewXXXFilterContext()

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This commit is contained in:
Quentin Renard
2024-12-19 16:20:19 +01:00
parent ab81ca0faf
commit 4b35c9a741
10 changed files with 286 additions and 89 deletions
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43
examples/transcoding/main.go
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@@ -5,7 +5,6 @@ import (
"flag"
"fmt"
"log"
"strconv"
"strings"
"github.com/asticode/go-astiav"
@@ -378,29 +377,29 @@ func initFilters() (err error) {
}
c.Add(inputs.Free)
// Create buffersrc context parameters
buffersrcContextParameters := astiav.AllocBuffersrcFilterContextParameters()
defer buffersrcContextParameters.Free()
// Switch on media type
var args astiav.FilterArgs
var buffersrc, buffersink *astiav.Filter
var content string
switch s.decCodecContext.MediaType() {
case astiav.MediaTypeAudio:
args = astiav.FilterArgs{
"channel_layout": s.decCodecContext.ChannelLayout().String(),
"sample_fmt": s.decCodecContext.SampleFormat().Name(),
"sample_rate": strconv.Itoa(s.decCodecContext.SampleRate()),
"time_base": s.decCodecContext.TimeBase().String(),
}
buffersrc = astiav.FindFilterByName("abuffer")
buffersrcContextParameters.SetChannelLayout(s.decCodecContext.ChannelLayout())
buffersrcContextParameters.SetSampleFormat(s.decCodecContext.SampleFormat())
buffersrcContextParameters.SetSampleRate(s.decCodecContext.SampleRate())
buffersrcContextParameters.SetTimeBase(s.decCodecContext.TimeBase())
buffersink = astiav.FindFilterByName("abuffersink")
content = fmt.Sprintf("aformat=sample_fmts=%s:channel_layouts=%s", s.encCodecContext.SampleFormat().Name(), s.encCodecContext.ChannelLayout().String())
default:
args = astiav.FilterArgs{
"pix_fmt": strconv.Itoa(int(s.decCodecContext.PixelFormat())),
"pixel_aspect": s.decCodecContext.SampleAspectRatio().String(),
"time_base": s.inputStream.TimeBase().String(),
"video_size": strconv.Itoa(s.decCodecContext.Width()) + "x" + strconv.Itoa(s.decCodecContext.Height()),
}
buffersrc = astiav.FindFilterByName("buffer")
buffersrcContextParameters.SetHeight(s.decCodecContext.Height())
buffersrcContextParameters.SetPixelFormat(s.decCodecContext.PixelFormat())
buffersrcContextParameters.SetSampleAspectRatio(s.decCodecContext.SampleAspectRatio())
buffersrcContextParameters.SetTimeBase(s.inputStream.TimeBase())
buffersrcContextParameters.SetWidth(s.decCodecContext.Width())
buffersink = astiav.FindFilterByName("buffersink")
content = fmt.Sprintf("format=pix_fmts=%s", s.encCodecContext.PixelFormat().Name())
}
@@ -416,15 +415,27 @@ func initFilters() (err error) {
}
// Create filter contexts
if s.buffersrcContext, err = s.filterGraph.NewBuffersrcFilterContext(buffersrc, "in", args); err != nil {
if s.buffersrcContext, err = s.filterGraph.NewBuffersrcFilterContext(buffersrc, "in"); err != nil {
err = fmt.Errorf("main: creating buffersrc context failed: %w", err)
return
}
if s.buffersinkContext, err = s.filterGraph.NewBuffersinkFilterContext(buffersink, "out", nil); err != nil {
if s.buffersinkContext, err = s.filterGraph.NewBuffersinkFilterContext(buffersink, "out"); err != nil {
err = fmt.Errorf("main: creating buffersink context failed: %w", err)
return
}
// Set buffersrc context parameters
if err = s.buffersrcContext.SetParameters(buffersrcContextParameters); err != nil {
err = fmt.Errorf("main: setting buffersrc context parameters failed: %w", err)
return
}
// Initialize buffersrc context
if err = s.buffersrcContext.Initialize(); err != nil {
err = fmt.Errorf("main: initializing buffersrc context failed: %w", err)
return
}
// Update outputs
outputs.SetName("in")
outputs.SetFilterContext(s.buffersrcContext.FilterContext())