avcodec/libdav1d: add an option to set max frame delay

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2022-10-11 13:57:12 -03:00
parent d2fd0ea1d7
commit bd5b59deea
2 changed files with 11 additions and 2 deletions

View File

@ -50,6 +50,7 @@ typedef struct Libdav1dContext {
Dav1dData data;
int tile_threads;
int frame_threads;
int max_frame_delay;
int apply_grain;
int operating_point;
int all_layers;
@ -246,7 +247,9 @@ static av_cold int libdav1d_init(AVCodecContext *c)
s.n_threads = FFMAX(dav1d->frame_threads, dav1d->tile_threads);
else
s.n_threads = FFMIN(threads, DAV1D_MAX_THREADS);
s.max_frame_delay = (c->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : 0;
if (dav1d->max_frame_delay > 0 && (c->flags & AV_CODEC_FLAG_LOW_DELAY))
av_log(c, AV_LOG_WARNING, "Low delay mode requested, forcing max_frame_delay 1\n");
s.max_frame_delay = (c->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : dav1d->max_frame_delay;
av_log(c, AV_LOG_DEBUG, "Using %d threads, %d max_frame_delay\n",
s.n_threads, s.max_frame_delay);
#else
@ -256,6 +259,8 @@ static av_cold int libdav1d_init(AVCodecContext *c)
s.n_frame_threads = dav1d->frame_threads
? dav1d->frame_threads
: FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
if (dav1d->max_frame_delay > 0)
s.n_frame_threads = FFMIN(s.n_frame_threads, dav1d->max_frame_delay);
av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
s.n_frame_threads, s.n_tile_threads);
#endif
@ -555,12 +560,16 @@ static av_cold int libdav1d_close(AVCodecContext *c)
#ifndef DAV1D_MAX_TILE_THREADS
#define DAV1D_MAX_TILE_THREADS DAV1D_MAX_THREADS
#endif
#ifndef DAV1D_MAX_FRAME_DELAY
#define DAV1D_MAX_FRAME_DELAY DAV1D_MAX_FRAME_THREADS
#endif
#define OFFSET(x) offsetof(Libdav1dContext, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption libdav1d_options[] = {
{ "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD | AV_OPT_FLAG_DEPRECATED },
{ "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD | AV_OPT_FLAG_DEPRECATED },
{ "max_frame_delay", "Max frame delay", OFFSET(max_frame_delay), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_DELAY, VD },
{ "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD | AV_OPT_FLAG_DEPRECATED },
{ "oppoint", "Select an operating point of the scalable bitstream", OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 31, VD },
{ "alllayers", "Output all spatial layers", OFFSET(all_layers), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },

View File

@ -30,7 +30,7 @@
#include "version_major.h"
#define LIBAVCODEC_VERSION_MINOR 50
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \