This key & value API can greatly help with users who wants to try libaom-av1 specific options that are not supported by ffmpeg options.
As was previously discussed in this thread: https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2020-October/271658. The commit that added the API to libaom: https://aomedia.googlesource.com/aom/+/c1d42fe6615c96fc929257 The libaom issue tracker: https://bugs.chromium.org/p/aomedia/issues/detail?id=2875 Signed-off-by: Bohan Li <boha...@google.com> --- doc/encoders.texi | 10 ++++++++++ libavcodec/libaomenc.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index c2ba7d3e6f..3f32303b3d 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -1684,6 +1684,16 @@ Enable interintra compound. Default is true. @item enable-smooth-interintra (@emph{boolean}) (Requires libaom >= v2.0.0) Enable smooth interintra mode. Default is true. +@item libaom-params +Set libaom options using a list of @var{key}=@var{value} pairs separated +by ":". See @command{aomenc --help} for a list of options. + +For example to specify libaom encoding options with @option{-libaom-params}: + +@example +ffmpeg -i input -c:v libaom-av1 -b:v 500K -libaom-params tune=psnr:enable-tpl-model=1 output.mp4 +@end example + @end table @section libsvtav1 diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c index 342d0883e4..b7c5a64417 100644 --- a/libavcodec/libaomenc.c +++ b/libavcodec/libaomenc.c @@ -124,6 +124,7 @@ typedef struct AOMEncoderContext { int enable_diff_wtd_comp; int enable_dist_wtd_comp; int enable_dual_filter; + AVDictionary *extra_params; } AOMContext; static const char *const ctlidstr[] = { @@ -318,6 +319,27 @@ static av_cold int codecctl_int(AVCodecContext *avctx, return 0; } +static av_cold int codec_set_option(AVCodecContext *avctx, + const char* key, + const char* value) +{ + AOMContext *ctx = avctx->priv_data; + char buf[80]; + int width = -30; + int res; + + snprintf(buf, sizeof(buf), "%s:", key); + av_log(avctx, AV_LOG_DEBUG, " %*s%s: %s\n", width, buf, key, value); + + res = aom_codec_set_option(&ctx->encoder, key, value); + if (res != AOM_CODEC_OK) { + log_encoder_error(avctx, buf); + return AVERROR(EINVAL); + } + + return 0; +} + static av_cold int aom_free(AVCodecContext *avctx) { AOMContext *ctx = avctx->priv_data; @@ -874,6 +896,15 @@ static av_cold int aom_init(AVCodecContext *avctx, codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc); #endif +#if AOM_ENCODER_ABI_VERSION >= 23 + { + AVDictionaryEntry *en = NULL; + while ((en = av_dict_get(ctx->extra_params, "", en, AV_DICT_IGNORE_SUFFIX))) { + codec_set_option(avctx, en->key, en->value); + } + } +#endif + // provide dummy value to initialize wrapper, values will be updated each _encode() aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1, (unsigned char*)1); @@ -1299,6 +1330,7 @@ static const AVOption options[] = { { "enable-masked-comp", "Enable masked compound", OFFSET(enable_masked_comp), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, { "enable-interintra-comp", "Enable interintra compound", OFFSET(enable_interintra_comp), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, { "enable-smooth-interintra", "Enable smooth interintra mode", OFFSET(enable_smooth_interintra), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE}, + { "libaom-params", "Extra parameters for libaom", OFFSET(extra_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE }, { NULL }, }; -- 2.30.0.365.g02bc693789-goog _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
