ffmpeg | branch: master | Bernat Arlandis <bera...@hotmail.com> | Sat Jul 19 18:26:53 2025 +0200| [3cd4fa9b895a359cf8c895f601c0016aae8b2c8f] | committer: Michael Niedermayer
libtheoraenc: Add encoding speed level option Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3cd4fa9b895a359cf8c895f601c0016aae8b2c8f --- libavcodec/libtheoraenc.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/libavcodec/libtheoraenc.c b/libavcodec/libtheoraenc.c index eb94458639..2b70ec06a6 100644 --- a/libavcodec/libtheoraenc.c +++ b/libavcodec/libtheoraenc.c @@ -37,6 +37,7 @@ #include "libavutil/pixdesc.h" #include "libavutil/log.h" #include "libavutil/base64.h" +#include "libavutil/opt.h" #include "avcodec.h" #include "codec_internal.h" #include "encode.h" @@ -45,6 +46,7 @@ #include <theora/theoraenc.h> typedef struct TheoraContext { + AVClass *av_class; /**< class for AVOptions */ th_enc_ctx *t_state; uint8_t *stats; int stats_size; @@ -52,8 +54,21 @@ typedef struct TheoraContext { int uv_hshift; int uv_vshift; int keyframe_mask; + int speed_level; } TheoraContext; +static const AVOption options[] = { + { "speed_level", "Sets the encoding speed level", offsetof(TheoraContext, speed_level), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, + { NULL } +}; + +static const AVClass theora_class = { + .class_name = "libtheora", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + /** Concatenate an ogg_packet into the extradata. */ static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context, @@ -244,6 +259,15 @@ static av_cold int encode_init(AVCodecContext* avc_context) return AVERROR_EXTERNAL; } + // Set encoding speed level + if (h->speed_level != -1) { + int max_speed_level; + int speed_level = h->speed_level; + th_encode_ctl(h->t_state, TH_ENCCTL_GET_SPLEVEL_MAX, &max_speed_level, sizeof(max_speed_level)); + speed_level = FFMIN(speed_level, max_speed_level); + th_encode_ctl(h->t_state, TH_ENCCTL_SET_SPLEVEL, &speed_level, sizeof(speed_level)); + } + // need to enable 2 pass (via TH_ENCCTL_2PASS_) before encoding headers if (avc_context->flags & AV_CODEC_FLAG_PASS1) { if ((ret = get_stats(avc_context, 0)) < 0) @@ -389,6 +413,7 @@ const FFCodec ff_libtheora_encoder = { .close = encode_close, FF_CODEC_ENCODE_CB(encode_frame), CODEC_PIXFMTS(AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P), + .p.priv_class = &theora_class, .color_ranges = AVCOL_RANGE_MPEG, .p.wrapper_name = "libtheora", }; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
