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filter_graph_test.go
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filter_graph_test.go
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// TODO Fix https://github.com/asticode/go-astiav/actions/runs/5853322732/job/15867145888
//go:build !windows
package astiav
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestFilterGraph(t *testing.T) {
fg1 := AllocFilterGraph()
require.NotNil(t, fg1)
defer fg1.Free()
cl := fg1.Class()
require.NotNil(t, cl)
require.Equal(t, "AVFilterGraph", cl.Name())
fg1.SetThreadCount(2)
require.Equal(t, 2, fg1.ThreadCount())
fg1.SetThreadType(ThreadTypeSlice)
require.Equal(t, ThreadTypeSlice, fg1.ThreadType())
type command struct {
args string
cmd string
flags FilterCommandFlags
resp string
target string
withError bool
}
type buffersink struct {
channelLayout ChannelLayout
colorRange ColorRange
colorSpace ColorSpace
frameRate Rational
height int
mediaType MediaType
name string
pixelFormat PixelFormat
sampleAspectRatio Rational
sampleFormat SampleFormat
sampleRate int
timeBase Rational
width int
}
type buffersrc struct {
name string
}
type buffersrcParameters struct {
channelLayout ChannelLayout
height int
mediaType MediaType
pixelFormat PixelFormat
sampleAspectRatio Rational
sampleFormat SampleFormat
sampleRate int
timeBase Rational
width int
}
type graph struct {
buffersink buffersink
buffersrc buffersrc
commands []command
content string
s string
sources []buffersrcParameters
}
for _, v := range []graph{
{
buffersink: buffersink{
colorRange: ColorRangeUnspecified,
colorSpace: ColorSpaceUnspecified,
frameRate: NewRational(4, 1),
height: 8,
mediaType: MediaTypeVideo,
name: "buffersink",
pixelFormat: PixelFormatYuv420P,
sampleAspectRatio: NewRational(2, 1),
timeBase: NewRational(1, 4),
width: 4,
},
buffersrc: buffersrc{name: "buffer"},
commands: []command{
{
args: "a",
cmd: "invalid",
flags: NewFilterCommandFlags(),
target: "scale",
withError: true,
},
{
args: "4",
cmd: "width",
flags: NewFilterCommandFlags().Add(FilterCommandFlagOne),
target: "scale",
},
},
content: "[input_1]scale=4x8,settb=1/4,fps=fps=4/1,format=pix_fmts=yuv420p,setsar=2/1",
s: " +--------------+\nParsed_setsar_4:default--[4x8 2:1 yuv420p]--default| filter_out |\n | (buffersink) |\n +--------------+\n\n+-------------+\n| filter_in_1 |default--[2x4 1:2 rgba]--Parsed_scale_0:default\n| (buffer) |\n+-------------+\n\n +----------------+\nfilter_in_1:default--[2x4 1:2 rgba]--default| Parsed_scale_0 |default--[4x8 1:2 yuv420p]--Parsed_settb_1:default\n | (scale) |\n +----------------+\n\n +----------------+\nParsed_scale_0:default--[4x8 1:2 yuv420p]--default| Parsed_settb_1 |default--[4x8 1:2 yuv420p]--Parsed_fps_2:default\n | (settb) |\n +----------------+\n\n +--------------+\nParsed_settb_1:default--[4x8 1:2 yuv420p]--default| Parsed_fps_2 |default--[4x8 1:2 yuv420p]--Parsed_format_3:default\n | (fps) |\n +--------------+\n\n +-----------------+\nParsed_fps_2:default--[4x8 1:2 yuv420p]--default| Parsed_format_3 |default--[4x8 1:2 yuv420p]--Parsed_setsar_4:default\n | (format) |\n +-----------------+\n\n +-----------------+\nParsed_format_3:default--[4x8 1:2 yuv420p]--default| Parsed_setsar_4 |default--[4x8 2:1 yuv420p]--filter_out:default\n | (setsar) |\n +-----------------+\n\n",
sources: []buffersrcParameters{
{
height: 4,
mediaType: MediaTypeVideo,
pixelFormat: PixelFormatRgba,
sampleAspectRatio: NewRational(1, 2),
timeBase: NewRational(1, 2),
width: 2,
},
},
},
{
buffersink: buffersink{
channelLayout: ChannelLayoutStereo,
mediaType: MediaTypeAudio,
name: "abuffersink",
sampleFormat: SampleFormatS16,
sampleRate: 3,
timeBase: NewRational(1, 4),
},
buffersrc: buffersrc{name: "abuffer"},
content: "[input_1]aformat=sample_fmts=s16:channel_layouts=stereo:sample_rates=3,asettb=1/4",
s: " +---------------+\nParsed_asettb_1:default--[3Hz s16:stereo]--default| filter_out |\n | (abuffersink) |\n +---------------+\n\n+-------------+\n| filter_in_1 |default--[2Hz fltp:mono]--auto_aresample_0:default\n| (abuffer) |\n+-------------+\n\n +------------------+\nauto_aresample_0:default--[3Hz s16:stereo]--default| Parsed_aformat_0 |default--[3Hz s16:stereo]--Parsed_asettb_1:default\n | (aformat) |\n +------------------+\n\n +-----------------+\nParsed_aformat_0:default--[3Hz s16:stereo]--default| Parsed_asettb_1 |default--[3Hz s16:stereo]--filter_out:default\n | (asettb) |\n +-----------------+\n\n +------------------+\nfilter_in_1:default--[2Hz fltp:mono]--default| auto_aresample_0 |default--[3Hz s16:stereo]--Parsed_aformat_0:default\n | (aresample) |\n +------------------+\n\n",
sources: []buffersrcParameters{
{
channelLayout: ChannelLayoutMono,
mediaType: MediaTypeAudio,
sampleFormat: SampleFormatFltp,
sampleRate: 2,
timeBase: NewRational(1, 2),
},
},
},
} {
fg := AllocFilterGraph()
require.NotNil(t, fg)
defer fg.Free()
buffersrc := FindFilterByName(v.buffersrc.name)
require.NotNil(t, buffersrc)
buffersink := FindFilterByName(v.buffersink.name)
require.NotNil(t, buffersink)
buffersinkContext, err := fg.NewBuffersinkFilterContext(buffersink, "filter_out")
require.NoError(t, err)
require.Equal(t, buffersink, buffersinkContext.FilterContext().Filter())
cl = buffersinkContext.FilterContext().Class()
require.NotNil(t, cl)
require.Equal(t, "AVFilter", cl.Name())
inputs := AllocFilterInOut()
defer inputs.Free()
inputs.SetName("out")
inputs.SetFilterContext(buffersinkContext.FilterContext())
inputs.SetPadIdx(0)
inputs.SetNext(nil)
var outputs *FilterInOut
defer func() {
if outputs != nil {
outputs.Free()
}
}()
var buffersrcContexts []*BuffersrcFilterContext
for idx, src := range v.sources {
buffersrcContext, err := fg.NewBuffersrcFilterContext(buffersrc, fmt.Sprintf("filter_in_%d", idx+1))
require.NoError(t, err)
buffersrcContextParameters := AllocBuffersrcFilterContextParameters()
defer buffersrcContextParameters.Free()
switch src.mediaType {
case MediaTypeAudio:
buffersrcContextParameters.SetChannelLayout(src.channelLayout)
buffersrcContextParameters.SetSampleFormat(src.sampleFormat)
buffersrcContextParameters.SetSampleRate(src.sampleRate)
buffersrcContextParameters.SetTimeBase(src.timeBase)
default:
buffersrcContextParameters.SetHeight(src.height)
buffersrcContextParameters.SetPixelFormat(src.pixelFormat)
buffersrcContextParameters.SetSampleAspectRatio(src.sampleAspectRatio)
buffersrcContextParameters.SetTimeBase(src.timeBase)
buffersrcContextParameters.SetWidth(src.width)
}
buffersrcContext.SetParameters(buffersrcContextParameters)
require.NoError(t, buffersrcContext.Initialize(nil))
buffersrcContexts = append(buffersrcContexts, buffersrcContext)
o := AllocFilterInOut()
o.SetName(fmt.Sprintf("input_%d", idx+1))
o.SetFilterContext(buffersrcContext.FilterContext())
o.SetPadIdx(0)
o.SetNext(outputs)
outputs = o
}
require.Equal(t, len(buffersrcContexts)+1, fg.NbFilters())
fs := fg.Filters()
require.Equal(t, len(buffersrcContexts)+1, len(fs))
require.Equal(t, buffersinkContext.FilterContext(), fs[0])
for idx, c := range fs[1:] {
require.Equal(t, buffersrcContexts[idx].FilterContext(), c)
}
require.NoError(t, fg.Parse(v.content, inputs, outputs))
require.NoError(t, fg.Configure())
require.Equal(t, v.buffersink.frameRate, buffersinkContext.FrameRate())
require.Equal(t, v.buffersink.mediaType, buffersinkContext.MediaType())
require.Equal(t, v.buffersink.timeBase, buffersinkContext.TimeBase())
switch v.buffersink.mediaType {
case MediaTypeAudio:
require.True(t, v.buffersink.channelLayout.Equal(buffersinkContext.ChannelLayout()))
require.Equal(t, v.buffersink.sampleFormat, buffersinkContext.SampleFormat())
require.Equal(t, v.buffersink.sampleRate, buffersinkContext.SampleRate())
default:
require.Equal(t, v.buffersink.colorRange, buffersinkContext.ColorRange())
require.Equal(t, v.buffersink.colorSpace, buffersinkContext.ColorSpace())
require.Equal(t, v.buffersink.height, buffersinkContext.Height())
require.Equal(t, v.buffersink.pixelFormat, buffersinkContext.PixelFormat())
require.Equal(t, v.buffersink.sampleAspectRatio, buffersinkContext.SampleAspectRatio())
require.Equal(t, v.buffersink.width, buffersinkContext.Width())
}
require.Equal(t, v.s, fg.String())
for _, command := range v.commands {
resp, err := fg.SendCommand(command.target, command.cmd, command.args, command.flags)
if command.withError {
require.Error(t, err)
} else {
require.NoError(t, err)
}
require.Equal(t, command.resp, resp)
}
}
fg2 := AllocFilterGraph()
require.NotNil(t, fg2)
defer fg2.Free()
fgs, err := fg2.ParseSegment("anullsrc")
require.NoError(t, err)
defer fgs.Free()
require.Equal(t, 1, fgs.NbChains())
cs := fgs.Chains()
require.Equal(t, 1, len(cs))
require.Equal(t, 1, cs[0].NbFilters())
fs := cs[0].Filters()
require.Equal(t, 1, len(fs))
f := FindFilterByName(fs[0].FilterName())
require.NotNil(t, f)
require.Equal(t, 0, f.NbInputs())
require.Equal(t, 1, f.NbOutputs())
os := f.Outputs()
require.Equal(t, 1, len(os))
require.Equal(t, MediaTypeAudio, os[0].MediaType())
// TODO Test BuffersrcAddFrame
// TODO Test BuffersinkGetFrame
}