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OUT-2: WebM export (VP9 intra encoder + alpha, Opus), WAV/AIFF audio-only outputs

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- effectcraft-vp9enc (L0): VP9 profile 0 key-frame encoder from the VP9 bitstream spec
  (8x8 intra blocks, DC/V/H/TM, 4x4 DCT/ADST, lossless WHT at quality 100, tile columns);
  round-trips exactly through FilmCraft's VP9 decoder and ffmpeg.
- export: WebM muxer (EBML/Matroska spec) with VP9, VP9 alpha in BlockAdditional
  (AlphaMode 1), Opus (CodecDelay = pre-skip); WAV and AIFF outputs.
- OutputFormat WebM/Wav/Aiff in the Render Queue, renderQueue.add formats, CLI --format.
- Tests: FilmCraft decode-back (frames, size, pixels, audio RMS), ffprobe/ffmpeg oracles.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Brandon Thomas
2026-10-02 22:28:15 -04:00
co-authored by Claude Opus 5.5
parent 730d5a784a
commit 406706e3d5
22 changed files with 1911 additions and 20 deletions
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crates/project/src/render_queue.rs
+26 -4
View File
@@ -136,17 +136,26 @@ pub enum OutputFormat {
ExrSequence,
/// Animated GIF.
Gif,
/// WebM: VP9 video (alpha with RGB + Alpha) + Opus audio.
WebM,
/// Audio only: WAV (16-bit PCM).
Wav,
/// Audio only: AIFF (16-bit PCM).
Aiff,
}
impl OutputFormat {
pub const ALL: [OutputFormat; 7] = [
pub const ALL: [OutputFormat; 10] = [
OutputFormat::H264,
OutputFormat::ProRes,
OutputFormat::WebM,
OutputFormat::PngSequence,
OutputFormat::JpegSequence,
OutputFormat::TiffSequence,
OutputFormat::ExrSequence,
OutputFormat::Gif,
OutputFormat::Wav,
OutputFormat::Aiff,
];
pub fn label(self) -> &'static str {
@@ -158,6 +167,9 @@ impl OutputFormat {
OutputFormat::TiffSequence => "TIFF Sequence",
OutputFormat::ExrSequence => "OpenEXR Sequence",
OutputFormat::Gif => "Animated GIF",
OutputFormat::WebM => "WebM (VP9 + Opus)",
OutputFormat::Wav => "WAV",
OutputFormat::Aiff => "AIFF",
}
}
pub fn extension(self) -> &'static str {
@@ -169,19 +181,26 @@ impl OutputFormat {
OutputFormat::TiffSequence => "tif",
OutputFormat::ExrSequence => "exr",
OutputFormat::Gif => "gif",
OutputFormat::WebM => "webm",
OutputFormat::Wav => "wav",
OutputFormat::Aiff => "aif",
}
}
pub fn is_sequence(self) -> bool {
matches!(self, OutputFormat::PngSequence | OutputFormat::JpegSequence | OutputFormat::TiffSequence | OutputFormat::ExrSequence)
}
pub fn is_movie(self) -> bool {
matches!(self, OutputFormat::H264 | OutputFormat::ProRes)
matches!(self, OutputFormat::H264 | OutputFormat::ProRes | OutputFormat::WebM)
}
/// Audio-only outputs (no video is rendered).
pub fn is_audio_only(self) -> bool {
matches!(self, OutputFormat::Wav | OutputFormat::Aiff)
}
pub fn supports_alpha(self) -> bool {
!matches!(self, OutputFormat::H264 | OutputFormat::JpegSequence)
!matches!(self, OutputFormat::H264 | OutputFormat::JpegSequence | OutputFormat::Wav | OutputFormat::Aiff)
}
pub fn supports_audio(self) -> bool {
self.is_movie()
self.is_movie() || self.is_audio_only()
}
/// The written frame size for a rendered size: H.264 needs even dimensions (rounded down,
/// at least 2).
@@ -201,6 +220,9 @@ impl OutputFormat {
"tif" | "tiff" | "tiffsequence" => OutputFormat::TiffSequence,
"exr" | "openexr" | "openexrsequence" => OutputFormat::ExrSequence,
"gif" | "animatedgif" => OutputFormat::Gif,
"webm" | "vp9" | "webmvp9opus" => OutputFormat::WebM,
"wav" | "wave" => OutputFormat::Wav,
"aif" | "aiff" | "aifc" => OutputFormat::Aiff,
_ => return None,
})
}