diff options
author | James Almer <jamrial@gmail.com> | 2019-08-14 04:09:34 +0300 |
---|---|---|
committer | James Almer <jamrial@gmail.com> | 2020-01-01 19:48:02 +0300 |
commit | 278a91f8fe192944292b134cd47d853c6b1d55d8 (patch) | |
tree | b84a83a52a6e1612cc3ceacd9d33a44e4d6f19ad /libavcodec/libx265.c | |
parent | 3c22436ddf5995dd2be7f54c0301a737e22056c8 (diff) |
avcodec/libx265: add a qp option and apply the relevant global AVCodecContext settings to the encoder context
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/libx265.c')
-rw-r--r-- | libavcodec/libx265.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c index 798ba12efa..3c3deb2bdb 100644 --- a/libavcodec/libx265.c +++ b/libavcodec/libx265.c @@ -42,6 +42,7 @@ typedef struct libx265Context { const x265_api *api; float crf; + int cqp; int forced_idr; char *preset; char *tune; @@ -82,6 +83,21 @@ static av_cold int libx265_encode_close(AVCodecContext *avctx) return 0; } +static av_cold int libx265_param_parse_float(AVCodecContext *avctx, + const char *key, float value) +{ + libx265Context *ctx = avctx->priv_data; + char buf[256]; + + snprintf(buf, sizeof(buf), "%2.2f", value); + if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) { + av_log(avctx, AV_LOG_ERROR, "Invalid value %2.2f for param \"%s\".\n", value, key); + return AVERROR(EINVAL); + } + + return 0; +} + static av_cold int libx265_param_parse_int(AVCodecContext *avctx, const char *key, int value) { @@ -242,6 +258,48 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx) } else if (avctx->bit_rate > 0) { ctx->params->rc.bitrate = avctx->bit_rate / 1000; ctx->params->rc.rateControlMode = X265_RC_ABR; + } else if (ctx->cqp >= 0) { + ret = libx265_param_parse_int(avctx, "qp", ctx->cqp); + if (ret < 0) + return ret; + } + +#if X265_BUILD >= 89 + if (avctx->qmin >= 0) { + ret = libx265_param_parse_int(avctx, "qpmin", avctx->qmin); + if (ret < 0) + return ret; + } + if (avctx->qmax >= 0) { + ret = libx265_param_parse_int(avctx, "qpmax", avctx->qmax); + if (ret < 0) + return ret; + } +#endif + if (avctx->max_qdiff >= 0) { + ret = libx265_param_parse_int(avctx, "qpstep", avctx->max_qdiff); + if (ret < 0) + return ret; + } + if (avctx->qblur >= 0) { + ret = libx265_param_parse_float(avctx, "qblur", avctx->qblur); + if (ret < 0) + return ret; + } + if (avctx->qcompress >= 0) { + ret = libx265_param_parse_float(avctx, "qcomp", avctx->qcompress); + if (ret < 0) + return ret; + } + if (avctx->i_quant_factor >= 0) { + ret = libx265_param_parse_float(avctx, "ipratio", avctx->i_quant_factor); + if (ret < 0) + return ret; + } + if (avctx->b_quant_factor >= 0) { + ret = libx265_param_parse_float(avctx, "pbratio", avctx->b_quant_factor); + if (ret < 0) + return ret; } ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000; @@ -576,6 +634,7 @@ static av_cold void libx265_encode_init_csp(AVCodec *codec) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE }, + { "qp", "set the x265 qp", OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, @@ -597,6 +656,13 @@ static const AVCodecDefault x265_defaults[] = { { "g", "-1" }, { "keyint_min", "-1" }, { "refs", "-1" }, + { "qmin", "-1" }, + { "qmax", "-1" }, + { "qdiff", "-1" }, + { "qblur", "-1" }, + { "qcomp", "-1" }, + { "i_qfactor", "-1" }, + { "b_qfactor", "-1" }, { NULL }, }; |