diff options
| author | James Zern <jzern@google.com> | 2011-04-11 17:00:35 -0700 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2012-11-08 00:01:54 +0200 |
| commit | 12776d5d2a46363c52603ae2be888a3094fce1c6 (patch) | |
| tree | 0aaca7cafdbb627c9991ddafc2fc49c09abbb231 /libavcodec/libvpxenc.c | |
| parent | ad961726dc0bec7435aae7fbab10471b9063018b (diff) | |
libvpxenc: Allow enabling constrained quality (CQ) mode
The CQ mode was introduced in libvpx 0.9.6.
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/libvpxenc.c')
| -rw-r--r-- | libavcodec/libvpxenc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index f505d0ef43..9774d5aec4 100644 --- a/libavcodec/libvpxenc.c +++ b/libavcodec/libvpxenc.c @@ -64,6 +64,7 @@ typedef struct VP8EncoderContext { int arnr_type; int lag_in_frames; int error_resilient; + int crf; } VP8Context; /** String mappings for enum vp8e_enc_control_id */ @@ -84,6 +85,7 @@ static const char *const ctlidstr[] = { [VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES", [VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH", [VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE", + [VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL", }; static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc) @@ -251,8 +253,10 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, AV_ROUND_NEAR_INF); - if (avctx->rc_min_rate == avctx->rc_max_rate && - avctx->rc_min_rate == avctx->bit_rate) + if (ctx->crf) + enccfg.rc_end_usage = VPX_CQ; + else if (avctx->rc_min_rate == avctx->rc_max_rate && + avctx->rc_min_rate == avctx->bit_rate) enccfg.rc_end_usage = VPX_CBR; if (avctx->qmin > 0) @@ -343,6 +347,7 @@ static av_cold int vp8_init(AVCodecContext *avctx) codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction); codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices)); codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold); + codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf); //provide dummy value to initialize wrapper, values will be updated each _encode() vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1, @@ -553,6 +558,7 @@ static const AVOption options[] = { "though earlier partitions have been lost. Note that intra predicition" " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, #endif + { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE }, { NULL } }; |