This commit adds option for enabling SmartAccess Video (SAV) in AMF encoders. SAV is an AMD hardware-specific feature which enables the parallelization of encode and decode streams across multiple Video Codec Engine (VCN) hardware instances.
Signed-off-by: Evgeny Pavlov <lucenti...@gmail.com> --- libavcodec/amfenc.h | 1 + libavcodec/amfenc_av1.c | 18 ++++++++++++++++++ libavcodec/amfenc_h264.c | 18 ++++++++++++++++++ libavcodec/amfenc_hevc.c | 18 ++++++++++++++++++ 4 files changed, 55 insertions(+) diff --git a/libavcodec/amfenc.h b/libavcodec/amfenc.h index 2dbd378ef8..e8d66164ed 100644 --- a/libavcodec/amfenc.h +++ b/libavcodec/amfenc.h @@ -89,6 +89,7 @@ typedef struct AmfContext { int quality; int b_frame_delta_qp; int ref_b_frame_delta_qp; + int smart_access_video; // Dynamic options, can be set after Init() call diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c index 3f164ccc59..912d6bf020 100644 --- a/libavcodec/amfenc_av1.c +++ b/libavcodec/amfenc_av1.c @@ -104,6 +104,8 @@ static const AVOption options[] = { { "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{.i64 = 0 }, 0, 1, VE }, + { "smart_access_video", "Enable Smart Access Video", OFFSET(smart_access_video), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE}, + //Pre Analysis options { "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE }, @@ -243,6 +245,22 @@ FF_ENABLE_DEPRECATION_WARNINGS } } + if (ctx->smart_access_video != -1) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENABLE_SMART_ACCESS_VIDEO, ctx->smart_access_video != 0); + if (res != AMF_OK) { + av_log(avctx, AV_LOG_ERROR, "The Smart Access Video is not supported by AMF.\n"); + if (ctx->smart_access_video != 0) + return AVERROR(ENOSYS); + } else { + av_log(avctx, AV_LOG_INFO, "The Smart Access Video (%d) is set.\n", ctx->smart_access_video); + // Set low latency mode if Smart Access Video is enabled + if (ctx->smart_access_video != 0) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE, AMF_VIDEO_ENCODER_AV1_ENCODING_LATENCY_MODE_LOWEST_LATENCY); + av_log(avctx, AV_LOG_INFO, "The Smart Access Video set low latency mode.\n"); + } + } + } + // Pre-Pass, Pre-Analysis, Two-Pass if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_METHOD_CONSTANT_QP) { AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_RATE_CONTROL_PREENCODE, 0); diff --git a/libavcodec/amfenc_h264.c b/libavcodec/amfenc_h264.c index bd544d12df..b0b47645fc 100644 --- a/libavcodec/amfenc_h264.c +++ b/libavcodec/amfenc_h264.c @@ -136,6 +136,8 @@ static const AVOption options[] = { { "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, + { "smart_access_video", "Enable Smart Access Video", OFFSET(smart_access_video), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE}, + //Pre Analysis options { "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE }, @@ -353,6 +355,22 @@ FF_ENABLE_DEPRECATION_WARNINGS av_log(ctx, AV_LOG_WARNING, "rate control mode is PEAK_CONSTRAINED_VBR but rc_max_rate is not set\n"); } + if (ctx->smart_access_video != -1) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_ENABLE_SMART_ACCESS_VIDEO, ctx->smart_access_video != 0); + if (res != AMF_OK) { + av_log(avctx, AV_LOG_ERROR, "The Smart Access Video is not supported by AMF.\n"); + if (ctx->smart_access_video != 0) + return AVERROR(ENOSYS); + } else { + av_log(avctx, AV_LOG_INFO, "The Smart Access Video (%d) is set.\n", ctx->smart_access_video); + // Set low latency mode if Smart Access Video is enabled + if (ctx->smart_access_video != 0) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_LOWLATENCY_MODE, true); + av_log(avctx, AV_LOG_INFO, "The Smart Access Video set low latency mode.\n"); + } + } + } + if (ctx->preanalysis != -1) { AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_PRE_ANALYSIS_ENABLE, !!((ctx->preanalysis == 0) ? false : true)); } diff --git a/libavcodec/amfenc_hevc.c b/libavcodec/amfenc_hevc.c index 352564a301..a5b6b15ef7 100644 --- a/libavcodec/amfenc_hevc.c +++ b/libavcodec/amfenc_hevc.c @@ -99,6 +99,8 @@ static const AVOption options[] = { { "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE }, + { "smart_access_video", "Enable Smart Access Video", OFFSET(smart_access_video), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE}, + //Pre Analysis options { "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE }, @@ -241,6 +243,22 @@ FF_ENABLE_DEPRECATION_WARNINGS } } + if (ctx->smart_access_video != -1) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_ENABLE_SMART_ACCESS_VIDEO, ctx->smart_access_video != 0); + if (res != AMF_OK) { + av_log(avctx, AV_LOG_ERROR, "The Smart Access Video is not supported by AMF.\n"); + if (ctx->smart_access_video != 0) + return AVERROR(ENOSYS); + } else { + av_log(avctx, AV_LOG_INFO, "The Smart Access Video (%d) is set.\n", ctx->smart_access_video); + // Set low latency mode if Smart Access Video is enabled + if (ctx->smart_access_video != 0) { + AMF_ASSIGN_PROPERTY_BOOL(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_LOWLATENCY_MODE, true); + av_log(avctx, AV_LOG_INFO, "The Smart Access Video set low latency mode.\n"); + } + } + } + // Pre-Pass, Pre-Analysis, Two-Pass if (ctx->rate_control_mode == AMF_VIDEO_ENCODER_HEVC_RATE_CONTROL_METHOD_CONSTANT_QP) { AMF_ASSIGN_PROPERTY_INT64(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_PREENCODE_ENABLE, 0); -- 2.42.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".