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This commit is contained in:
Quentin Renard 2024-01-24 18:29:35 +01:00
parent 767f28bc3d
commit 6e42185a28
3 changed files with 8 additions and 13 deletions
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8
codec.go
View File

@ -101,19 +101,15 @@ func FindEncoderByName(n string) *Codec {
return newCodecFromC(C.avcodec_find_encoder_by_name(cn))
}
func (c *Codec) HardwareConfigs(dt HardwareDeviceType) []CodecHardwareConfig {
var configs []CodecHardwareConfig
func (c *Codec) HardwareConfigs(dt HardwareDeviceType) (configs []CodecHardwareConfig) {
var i int
for {
config := C.avcodec_get_hw_config(c.c, C.int(i))
if config == nil {
break
}
configs = append(configs, CodecHardwareConfig{c: config})
i++
}
return configs
return
}

8
codec_hardware_config_method_flag.go
View File

@ -8,8 +8,8 @@ import "C"
type CodecHardwareConfigMethodFlag int
const (
CodecHardwareConfigMethodAdHoc = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_AD_HOC)
CodecHardwareConfigMethodHwDeviceCtx = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)
CodecHardwareConfigMethodHwFramesCtx = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX)
CodecHardwareConfigMethodInternal = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_INTERNAL)
CodecHardwareConfigMethodFlagAdHoc = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_AD_HOC)
CodecHardwareConfigMethodFlagHwDeviceCtx = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX)
CodecHardwareConfigMethodFlagHwFramesCtx = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX)
CodecHardwareConfigMethodFlagInternal = CodecHardwareConfigMethodFlag(C.AV_CODEC_HW_CONFIG_METHOD_INTERNAL)
)

5
examples/hardware_decoding/main.go
View File

@ -78,8 +78,6 @@ func main() {
// Loop through streams
streams := make(map[int]*stream) // Indexed by input stream index
for _, is := range inputFormatContext.Streams() {
var err error
// Only process video
if is.CodecParameters().MediaType() != astiav.MediaTypeVideo {
continue
@ -105,7 +103,7 @@ func main() {
// Loop through codec hardware configs
for _, p := range hardwareConfigs {
// Valid hardware config
if p.MethodFlags().Has(astiav.CodecHardwareConfigMethodHwDeviceCtx) && p.HardwareDeviceType() == hardwareDeviceType {
if p.MethodFlags().Has(astiav.CodecHardwareConfigMethodFlagHwDeviceCtx) && p.HardwareDeviceType() == hardwareDeviceType {
s.hardwarePixelFormat = p.PixelFormat()
break
}
@ -122,6 +120,7 @@ func main() {
}
// Create hardware device context
var err error
s.hardwareDeviceContext, err = astiav.CreateHardwareDeviceContext(hardwareDeviceType, "", nil)
if err != nil {
log.Fatal(fmt.Errorf("main: creating hardware device context failed: %w", err))