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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>
This commit is contained in:
James Zern 2011-04-11 17:00:35 -07:00 committed by Martin Storsjö
parent ad961726dc
commit 12776d5d2a
2 changed files with 10 additions and 4 deletions
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4
configure vendored
View File

@ -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."; }

8
libavcodec/libvpxenc.c
View File

@ -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)
@ -251,7 +253,9 @@ 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 &&
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;
@ -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 }
};