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mp4: Add support for AV1

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1075>
This commit is contained in:
Sebastian Dröge 2023-02-02 16:12:37 +02:00 committed by GStreamer Marge Bot
parent 4c3ae6f8ce
commit 5627bd8d7d
2 changed files with 103 additions and 8 deletions
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95
mux/mp4/src/mp4mux/boxes.rs
View file

@ -410,7 +410,8 @@ fn write_tkhd(
// Width/height
match s.name().as_str() {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "image/jpeg" => {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "video/x-av1"
| "image/jpeg" => {
let width = s.get::<i32>("width").context("video caps without width")? as u32;
let height = s
.get::<i32>("height")
@ -511,9 +512,8 @@ fn write_hdlr(
let s = stream.caps.structure(0).unwrap();
let (handler_type, name) = match s.name().as_str() {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "image/jpeg" => {
(b"vide", b"VideoHandler\0".as_slice())
}
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "video/x-av1"
| "image/jpeg" => (b"vide", b"VideoHandler\0".as_slice()),
"audio/mpeg" | "audio/x-opus" | "audio/x-alaw" | "audio/x-mulaw" | "audio/x-adpcm" => {
(b"soun", b"SoundHandler\0".as_slice())
}
@ -541,7 +541,8 @@ fn write_minf(
let s = stream.caps.structure(0).unwrap();
match s.name().as_str() {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "image/jpeg" => {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "video/x-av1"
| "image/jpeg" => {
// Flags are always 1 for unspecified reasons
write_full_box(v, b"vmhd", FULL_BOX_VERSION_0, 1, |v| write_vmhd(v, header))?
}
@ -700,9 +701,8 @@ fn write_stsd(
let s = stream.caps.structure(0).unwrap();
match s.name().as_str() {
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "image/jpeg" => {
write_visual_sample_entry(v, header, stream)?
}
"video/x-h264" | "video/x-h265" | "video/x-vp8" | "video/x-vp9" | "video/x-av1"
| "image/jpeg" => write_visual_sample_entry(v, header, stream)?,
"audio/mpeg" | "audio/x-opus" | "audio/x-alaw" | "audio/x-mulaw" | "audio/x-adpcm" => {
write_audio_sample_entry(v, header, stream)?
}
@ -755,6 +755,7 @@ fn write_visual_sample_entry(
"image/jpeg" => b"jpeg",
"video/x-vp8" => b"vp08",
"video/x-vp9" => b"vp09",
"video/x-av1" => b"av01",
_ => unreachable!(),
};
@ -886,6 +887,84 @@ fn write_visual_sample_entry(
Ok(())
})?;
}
"video/x-av1" => {
write_box(v, b"av1C", move |v| {
if let Ok(codec_data) = s.get::<&gst::BufferRef>("codec_data") {
let map = codec_data
.map_readable()
.context("codec_data not mappable")?;
v.extend_from_slice(&map);
} else {
let presentation_delay_minus_one =
if let Ok(presentation_delay) = s.get::<i32>("presentation-delay") {
Some(
(1u8 << 5)
| std::cmp::max(
0xF,
(presentation_delay.saturating_sub(1) & 0xF) as u8,
),
)
} else {
None
};
let profile = match s.get::<&str>("profile").unwrap() {
"main" => 0,
"high" => 1,
"professional" => 2,
_ => unreachable!(),
};
let level = 1; // FIXME
let tier = 0; // FIXME
let (high_bitdepth, twelve_bit) =
match s.get::<u32>("bit-depth-luma").unwrap() {
8 => (false, false),
10 => (true, false),
12 => (true, true),
_ => unreachable!(),
};
let (monochrome, chroma_sub_x, chroma_sub_y) =
match s.get::<&str>("chroma-format").unwrap() {
"4:0:0" => (true, true, true),
"4:2:0" => (false, true, true),
"4:2:2" => (false, true, false),
"4:4:4" => (false, false, false),
_ => unreachable!(),
};
let chrome_sample_position = match s.get::<&str>("chroma-site") {
Ok("v-cosited") => 1,
Ok("v-cosited+h-cosited") => 2,
_ => 0,
};
let codec_data = [
0x80 | 0x01, // marker | version
(profile << 5) | level, // profile | level
(tier << 7)
| ((high_bitdepth as u8) << 6)
| ((twelve_bit as u8) << 5)
| ((monochrome as u8) << 4)
| ((chroma_sub_x as u8) << 3)
| ((chroma_sub_y as u8) << 2)
| chrome_sample_position, // tier | high bitdepth | twelve bit | monochrome | chroma sub x |
// chroma sub y | chroma sample position
if let Some(presentation_delay_minus_one) = presentation_delay_minus_one
{
0x10 | presentation_delay_minus_one // reserved | presentation delay present | presentation delay
} else {
0
},
];
v.extend_from_slice(&codec_data);
}
Ok(())
})?;
}
"video/x-vp8" | "image/jpeg" => {
// Nothing to do here
}

16
mux/mp4/src/mp4mux/imp.rs
View file

@ -888,6 +888,9 @@ impl MP4Mux {
}
delta_frames = super::DeltaFrames::PredictiveOnly;
}
"video/x-av1" => {
delta_frames = super::DeltaFrames::PredictiveOnly;
}
"image/jpeg" => (),
"audio/mpeg" => {
if !s.has_field_with_type("codec_data", gst::Buffer::static_type()) {
@ -1491,6 +1494,19 @@ impl ElementImpl for ISOMP4Mux {
.field("width", gst::IntRange::new(1, u16::MAX as i32))
.field("height", gst::IntRange::new(1, u16::MAX as i32))
.build(),
gst::Structure::builder("video/x-av1")
.field("stream-format", "obu-stream")
.field("alignment", "tu")
.field("profile", gst::List::new(["main", "high", "professional"]))
.field(
"chroma-format",
gst::List::new(["4:0:0", "4:2:0", "4:2:2", "4:4:4"]),
)
.field("bit-depth-luma", gst::List::new([8u32, 10u32, 12u32]))
.field("bit-depth-chroma", gst::List::new([8u32, 10u32, 12u32]))
.field("width", gst::IntRange::new(1, u16::MAX as i32))
.field("height", gst::IntRange::new(1, u16::MAX as i32))
.build(),
gst::Structure::builder("audio/mpeg")
.field("mpegversion", 4i32)
.field("stream-format", "raw")