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frame/audio: make Sample unsafe and add more implementations

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This commit is contained in:
meh 2015-08-04 15:40:36 +02:00
parent 898069692d
commit 3c138fe189
1 changed files with 194 additions and 14 deletions
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208
src/util/frame/audio.rs
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@ -134,7 +134,7 @@ impl Audio {
panic!("out of bounds"); panic!("out of bounds");
} }
if !<T as Sample>::is_valid(self.format()) { if !<T as Sample>::is_valid(self.format(), self.channels()) {
panic!("unsupported type"); panic!("unsupported type");
} }
@ -150,7 +150,7 @@ impl Audio {
panic!("out of bounds"); panic!("out of bounds");
} }
if !<T as Sample>::is_valid(self.format()) { if !<T as Sample>::is_valid(self.format(), self.channels()) {
panic!("unsupported type"); panic!("unsupported type");
} }
@ -231,12 +231,12 @@ impl Clone for Audio {
} }
} }
pub trait Sample { pub unsafe trait Sample {
fn is_valid(format: format::Sample) -> bool; fn is_valid(format: format::Sample, channels: u16) -> bool;
} }
impl Sample for u8 { unsafe impl Sample for u8 {
fn is_valid(format: format::Sample) -> bool { fn is_valid(format: format::Sample, _channels: u16) -> bool {
if let format::Sample::U8(..) = format { if let format::Sample::U8(..) = format {
true true
} }
@ -246,8 +246,44 @@ impl Sample for u8 {
} }
} }
impl Sample for i16 { unsafe impl Sample for (u8, u8) {
fn is_valid(format: format::Sample) -> bool { fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 2 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for (u8, u8, u8) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 3 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for (u8, u8, u8, u8) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 4 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for (u8, u8, u8, u8, u8) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 5 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for (u8, u8, u8, u8, u8, u8) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 6 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for (u8, u8, u8, u8, u8, u8, u8) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 7 && format == format::Sample::U8(format::sample::Type::Packed)
}
}
unsafe impl Sample for i16 {
fn is_valid(format: format::Sample, _channels: u16) -> bool {
if let format::Sample::I16(..) = format { if let format::Sample::I16(..) = format {
true true
} }
@ -257,8 +293,44 @@ impl Sample for i16 {
} }
} }
impl Sample for i32 { unsafe impl Sample for (i16, i16) {
fn is_valid(format: format::Sample) -> bool { fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 2 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i16, i16, i16) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 3 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i16, i16, i16, i16) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 4 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i16, i16, i16, i16, i16) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 5 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i16, i16, i16, i16, i16, i16) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 6 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i16, i16, i16, i16, i16, i16, i16) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 7 && format == format::Sample::I16(format::sample::Type::Packed)
}
}
unsafe impl Sample for i32 {
fn is_valid(format: format::Sample, _channels: u16) -> bool {
if let format::Sample::I32(..) = format { if let format::Sample::I32(..) = format {
true true
} }
@ -268,8 +340,44 @@ impl Sample for i32 {
} }
} }
impl Sample for f32 { unsafe impl Sample for (i32, i32) {
fn is_valid(format: format::Sample) -> bool { fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 2 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i32, i32, i32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 3 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i32, i32, i32, i32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 4 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i32, i32, i32, i32, i32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 5 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i32, i32, i32, i32, i32, i32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 6 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (i32, i32, i32, i32, i32, i32, i32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 7 && format == format::Sample::I32(format::sample::Type::Packed)
}
}
unsafe impl Sample for f32 {
fn is_valid(format: format::Sample, _channels: u16) -> bool {
if let format::Sample::F32(..) = format { if let format::Sample::F32(..) = format {
true true
} }
@ -279,8 +387,44 @@ impl Sample for f32 {
} }
} }
impl Sample for f64 { unsafe impl Sample for (f32, f32) {
fn is_valid(format: format::Sample) -> bool { fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 2 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f32, f32, f32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 3 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f32, f32, f32, f32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 4 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f32, f32, f32, f32, f32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 5 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f32, f32, f32, f32, f32, f32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 6 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f32, f32, f32, f32, f32, f32, f32) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 7 && format == format::Sample::F32(format::sample::Type::Packed)
}
}
unsafe impl Sample for f64 {
fn is_valid(format: format::Sample, _channels: u16) -> bool {
if let format::Sample::F64(..) = format { if let format::Sample::F64(..) = format {
true true
} }
@ -289,3 +433,39 @@ impl Sample for f64 {
} }
} }
} }
unsafe impl Sample for (f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 2 && format == format::Sample::F64(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f64, f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 3 && format == format::Sample::F64(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f64, f64, f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 4 && format == format::Sample::F64(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f64, f64, f64, f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 5 && format == format::Sample::F64(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f64, f64, f64, f64, f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 6 && format == format::Sample::F64(format::sample::Type::Packed)
}
}
unsafe impl Sample for (f64, f64, f64, f64, f64, f64, f64) {
fn is_valid(format: format::Sample, channels: u16) -> bool {
channels == 7 && format == format::Sample::F64(format::sample::Type::Packed)
}
}