aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJames Zern <jzern@google.com>2011-04-11 17:00:35 -0700
committerMartin Storsjö <martin@martin.st>2012-11-08 00:01:54 +0200
commit12776d5d2a46363c52603ae2be888a3094fce1c6 (patch)
tree0aaca7cafdbb627c9991ddafc2fc49c09abbb231
parentad961726dc0bec7435aae7fbab10471b9063018b (diff)
downloadffmpeg-12776d5d2a46363c52603ae2be888a3094fce1c6.tar.gz
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>
-rwxr-xr-xconfigure4
-rw-r--r--libavcodec/libvpxenc.c10
2 files changed, 10 insertions, 4 deletions
diff --git a/configure b/configure
index 9528b5d890..515a3c9395 100755
--- a/configure
+++ b/configure
@@ -3344,8 +3344,8 @@ enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lv
enabled libvpx && {
enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
die "ERROR: libvpx decoder version must be >=0.9.1"; }
- enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
- die "ERROR: libvpx encoder version must be >=0.9.1"; } }
+ enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
+ die "ERROR: libvpx encoder version must be >=0.9.6"; } }
enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
{ check_cpp_condition x264.h "X264_BUILD >= 118" ||
die "ERROR: libx264 version must be >= 0.118."; }
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 }
};