diff options
| author | Fei Wang <fei.w.wang@intel.com> | 2024-03-08 16:45:29 +0800 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2024-03-18 12:00:14 +0800 |
| commit | a8d9fab06b9b417bf8d0b819192bae0c648d7fd8 (patch) | |
| tree | 301b650930c65019fc9fd26595730cbd3601960a /libavcodec | |
| parent | 74a8e080d021b6c88677b35d879d269bfc4f93fb (diff) | |
| download | ffmpeg-a8d9fab06b9b417bf8d0b819192bae0c648d7fd8.tar.gz | |
lavc/vaapi_encode: Enable block level bitrate control
Signed-off-by: Fei Wang <fei.w.wang@intel.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/vaapi_encode.c | 13 | ||||
| -rw-r--r-- | libavcodec/vaapi_encode.h | 9 |
2 files changed, 20 insertions, 2 deletions
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c index 808b79c0c7..940f0678a5 100644 --- a/libavcodec/vaapi_encode.c +++ b/libavcodec/vaapi_encode.c @@ -1805,6 +1805,11 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx) int i, first = 1, res; supported_va_rc_modes = rc_attr.value; + if (ctx->blbrc && !(supported_va_rc_modes & VA_RC_MB)) { + ctx->blbrc = 0; + av_log(avctx, AV_LOG_WARNING, "Driver does not support BLBRC.\n"); + } + for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) { rc_mode = &vaapi_encode_rc_modes[i]; if (supported_va_rc_modes & rc_mode->va_mode) { @@ -2016,13 +2021,18 @@ rc_mode_found: ctx->va_bit_rate = rc_bits_per_second; av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name); + + if (ctx->blbrc && ctx->va_rc_mode == VA_RC_CQP) + ctx->blbrc = 0; + av_log(avctx, AV_LOG_VERBOSE, "Block Level bitrate control: %s.\n", ctx->blbrc ? "ON" : "OFF"); + if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) { // This driver does not want the RC mode attribute to be set. } else { ctx->config_attributes[ctx->nb_config_attributes++] = (VAConfigAttrib) { .type = VAConfigAttribRateControl, - .value = ctx->va_rc_mode, + .value = ctx->blbrc ? ctx->va_rc_mode | VA_RC_MB : ctx->va_rc_mode, }; } @@ -2051,6 +2061,7 @@ rc_mode_found: #if VA_CHECK_VERSION(1, 1, 0) .ICQ_quality_factor = av_clip(rc_quality, 1, 51), .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0), + .rc_flags.bits.mb_rate_control = ctx->blbrc ? 1 : 2, #endif #if VA_CHECK_VERSION(1, 3, 0) .quality_factor = rc_quality, diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h index 6964055b93..0eed9691ca 100644 --- a/libavcodec/vaapi_encode.h +++ b/libavcodec/vaapi_encode.h @@ -216,6 +216,9 @@ typedef struct VAAPIEncodeContext { // available modes). int explicit_rc_mode; + // Block Level based bitrate control. + int blbrc; + // Explicitly-set QP, for use with the "qp" options. // (Forces CQP mode when set, overriding everything else.) int explicit_qp; @@ -538,7 +541,11 @@ int ff_vaapi_encode_close(AVCodecContext *avctx); VAAPI_ENCODE_RC_MODE(VBR, "Variable-bitrate"), \ VAAPI_ENCODE_RC_MODE(ICQ, "Intelligent constant-quality"), \ VAAPI_ENCODE_RC_MODE(QVBR, "Quality-defined variable-bitrate"), \ - VAAPI_ENCODE_RC_MODE(AVBR, "Average variable-bitrate") + VAAPI_ENCODE_RC_MODE(AVBR, "Average variable-bitrate"), \ + { "blbrc", \ + "Block level based bitrate control",\ + OFFSET(common.blbrc), AV_OPT_TYPE_BOOL, \ + { .i64 = 0 }, 0, 1, FLAGS } #endif /* AVCODEC_VAAPI_ENCODE_H */ |