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fix(concat): dont use syscall for windows
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| //go:build !windows | ||
|
|
||
| package concat | ||
|
|
||
| import ( | ||
| "context" | ||
| "io" | ||
| "os" | ||
| "sync" | ||
| "syscall" | ||
|
|
||
| "github.com/Darkness4/fc2-live-dl-go/utils" | ||
| "github.com/rs/zerolog/log" | ||
| ) | ||
|
|
||
| // remuxMixedTS remuxes mixed TS/AAC files into intermediate format. | ||
| func remuxMixedTS( | ||
| ctx context.Context, | ||
| files []string, | ||
| opts ...Option, | ||
| ) (intermediates []string, useFIFO bool, err error) { | ||
| intermediates = make([]string, 0, len(files)) | ||
|
|
||
| useFIFO = false | ||
|
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||
| var wg sync.WaitGroup | ||
|
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||
| // Check if we can use FIFO | ||
| for _, file := range files { | ||
| randName := utils.GenerateRandomString(8) | ||
| intermediateName := "." + file + "." + randName + ".ts" | ||
| intermediates = append(intermediates, intermediateName) | ||
|
|
||
| if useFIFO { | ||
| if err := syscall.Mkfifo(intermediateName, 0600); err != nil { | ||
| // If fails to create the FIFO, ignore it and use an intermediate file | ||
| log.Error().Err(err).Msg("failed to create FIFO") | ||
| useFIFO = false | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if !useFIFO { | ||
| // Delete eventual FIFOs | ||
| for _, intermediateName := range intermediates { | ||
| _ = os.Remove(intermediateName) | ||
| } | ||
| } | ||
|
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||
| // Remux all the files into intermediate format | ||
| for i, intermediateName := range intermediates { | ||
| wg.Add(1) | ||
|
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| doneCh := make(chan struct{}, 1) | ||
|
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| // Make mpegts intermediates | ||
| go func(intermediateName string) { | ||
| defer func() { | ||
| doneCh <- struct{}{} | ||
| }() | ||
| // Will IO block due to the FIFO | ||
| if err := Do(intermediateName, []string{files[i]}, opts...); err != nil { | ||
| log.Error(). | ||
| Err(err). | ||
| Str("file", files[i]). | ||
| Str("intermediate", intermediateName). | ||
| Msg("failed to remux to intermediate file") | ||
| } | ||
|
|
||
| // Remove the FIFO | ||
| if useFIFO { | ||
| _ = os.Remove(intermediateName) | ||
| } | ||
| }(intermediateName) | ||
|
|
||
| go func(intermediateName string) { | ||
| defer wg.Done() | ||
| select { | ||
| case <-doneCh: | ||
| return | ||
| case <-ctx.Done(): | ||
| // Remove the FIFO | ||
| } | ||
|
|
||
| // Flush fifo | ||
| if useFIFO { | ||
| if err := flushFIFO(intermediateName); err != nil { | ||
| log.Err(err).Msg("failed to flush FIFO") | ||
| } | ||
|
|
||
| _ = os.Remove(intermediateName) | ||
| } | ||
| }(intermediateName) | ||
| } | ||
|
|
||
| if !useFIFO { | ||
| // Wait for all the remuxing to finish | ||
| wg.Wait() | ||
| } | ||
|
|
||
| return intermediates, useFIFO, nil | ||
| } | ||
|
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||
| func flushFIFO(file string) error { | ||
| // Open the FIFO for reading | ||
| fifo, err := os.OpenFile(file, os.O_RDONLY, 0600) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer fifo.Close() | ||
|
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| // Read all data from the FIFO | ||
| buffer := make([]byte, 1024) | ||
| for { | ||
| n, err := fifo.Read(buffer) | ||
| if err != nil { | ||
| if err == io.EOF { | ||
| break | ||
| } | ||
| return err | ||
| } | ||
| if n == 0 { | ||
| break | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| //go:build windows | ||
|
|
||
| package concat | ||
|
|
||
| import ( | ||
| "context" | ||
| "sync" | ||
|
|
||
| "github.com/Darkness4/fc2-live-dl-go/utils" | ||
| "github.com/rs/zerolog/log" | ||
| ) | ||
|
|
||
| // remuxMixedTS remuxes mixed TS/AAC files into intermediate format. | ||
| func remuxMixedTS( | ||
| _ context.Context, // ctx is not used as operations are IO bound and has finality. | ||
| files []string, | ||
| opts ...Option, | ||
| ) (intermediates []string, useFIFO bool, err error) { | ||
| intermediates = make([]string, 0, len(files)) | ||
|
|
||
| var wg sync.WaitGroup | ||
|
|
||
| // Check if there are mixed formats | ||
| log.Warn().Msg("mixed formats detected, intermediate files will be created") | ||
|
|
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| // Remux all the files into intermediate format | ||
| for _, file := range files { | ||
| wg.Add(1) | ||
| randName := utils.GenerateRandomString(8) | ||
| intermediateName := "." + file + "." + randName + ".ts" | ||
| intermediates = append(intermediates, intermediateName) | ||
|
|
||
| // Make mpegts intermediates | ||
| go func() { | ||
| defer wg.Done() | ||
| // Will IO block due to the FIFO | ||
| if err := Do(intermediateName, []string{file}, opts...); err != nil { | ||
| log.Error(). | ||
| Err(err). | ||
| Str("file", file). | ||
| Msg("failed to remux to intermediate file") | ||
| } | ||
| }() | ||
| } | ||
|
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| // Wait for all the remuxing to finish | ||
| wg.Wait() | ||
|
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| return intermediates, useFIFO, nil | ||
| } |