mirror of
https://github.com/mpv-player/mpv.git
synced 2026-10-16 22:40:53 +08:00
Kacper Michajłow
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
struct demuxer;
|
|
struct sh_stream;
|
|
struct demux_packet;
|
|
|
|
// Dolby Vision Profile 7 enhancement-layer splitter for HEVC streams that
|
|
// carry the EL bitstream interleaved as HEVC_NAL_UNSPEC63.
|
|
//
|
|
// Creates a virtual EL sh_stream and binds it to the BL via sh_stream_group
|
|
// so downstream code can treat same as separate track BL+EL.
|
|
struct mp_dovi_split;
|
|
|
|
// Create a splitter on `bl`. Adds the virtual EL sh_stream to `demuxer`.
|
|
//
|
|
// Returns NULL if the BSF is unavailable or initialization fails. The
|
|
// returned context is talloc-attached to `demuxer`.
|
|
struct mp_dovi_split *mp_dovi_split_create(struct demuxer *demuxer,
|
|
struct sh_stream *bl);
|
|
|
|
void mp_dovi_split_reset(struct mp_dovi_split *s);
|
|
|
|
// Return the virtual EL sh_stream created by mp_dovi_split_create. The
|
|
// returned pointer remains valid for the lifetime of the splitter.
|
|
struct sh_stream *mp_dovi_split_el_stream(struct mp_dovi_split *s);
|
|
|
|
// Apply the BSF to `bl_dp` and produce a companion EL demux_packet, if any.
|
|
// Caller owns the returned packet. Returns NULL if the access unit contained
|
|
// no EL NALs or on any non-fatal BSF error.
|
|
//
|
|
// The emitted packet inherits pts/dts/duration/keyframe from `bl_dp` so it
|
|
// lines up with the matching BL packet for PTS-based pairing downstream.
|
|
struct demux_packet *mp_dovi_split_dispatch(struct mp_dovi_split *s,
|
|
struct demux_packet *bl_dp);
|