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-rw-r--r--doc/encoders.texi2
-rw-r--r--libavcodec/vaapi_encode.c181
-rw-r--r--libavcodec/vaapi_encode.h6
-rw-r--r--libavcodec/vaapi_encode_h264.c18
-rw-r--r--libavcodec/vaapi_encode_h265.c14
-rw-r--r--libavcodec/vaapi_encode_mjpeg.c3
-rw-r--r--libavcodec/vaapi_encode_mpeg2.c9
-rw-r--r--libavcodec/vaapi_encode_vp8.c13
-rw-r--r--libavcodec/vaapi_encode_vp9.c13
9 files changed, 145 insertions, 114 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 9bf0b04028..e550bd9893 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -2643,8 +2643,6 @@ Always encodes using the standard quantisation and huffman tables -
@item mpeg2_vaapi
@option{profile} and @option{level} set the value of @emph{profile_and_level_indication}.
-No rate control is supported.
-
@item vp8_vaapi
B-frames are not supported.
diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c
index 1969c9252f..25d89c65c9 100644
--- a/libavcodec/vaapi_encode.c
+++ b/libavcodec/vaapi_encode.c
@@ -1213,7 +1213,6 @@ static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
int i;
VAConfigAttrib attr[] = {
- { VAConfigAttribRateControl },
{ VAConfigAttribEncMaxRefFrames },
{ VAConfigAttribEncPackedHeaders },
};
@@ -1237,32 +1236,6 @@ static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
continue;
}
switch (attr[i].type) {
- case VAConfigAttribRateControl:
- // Hack for backward compatibility: CBR was the only
- // usable RC mode for a long time, so old drivers will
- // only have it. Normal default options may now choose
- // VBR and then fail, however, so override it here with
- // CBR if that is the only supported mode.
- if (ctx->va_rc_mode == VA_RC_VBR &&
- !(attr[i].value & VA_RC_VBR) &&
- (attr[i].value & VA_RC_CBR)) {
- av_log(avctx, AV_LOG_WARNING, "VBR rate control is "
- "not supported with this driver version; "
- "using CBR instead.\n");
- ctx->va_rc_mode = VA_RC_CBR;
- }
- if (!(ctx->va_rc_mode & attr[i].value)) {
- av_log(avctx, AV_LOG_ERROR, "Rate control mode %#x "
- "is not supported (mask: %#x).\n",
- ctx->va_rc_mode, attr[i].value);
- return AVERROR(EINVAL);
- }
- ctx->config_attributes[ctx->nb_config_attributes++] =
- (VAConfigAttrib) {
- .type = VAConfigAttribRateControl,
- .value = ctx->va_rc_mode,
- };
- break;
case VAConfigAttribEncMaxRefFrames:
{
unsigned int ref_l0 = attr[i].value & 0xffff;
@@ -1309,44 +1282,152 @@ static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
- int rc_bits_per_second;
- int rc_target_percentage;
- int rc_window_size;
- int hrd_buffer_size;
- int hrd_initial_buffer_fullness;
+ int64_t rc_bits_per_second;
+ int rc_target_percentage;
+ int rc_window_size;
+ int64_t hrd_buffer_size;
+ int64_t hrd_initial_buffer_fullness;
int fr_num, fr_den;
+ VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
+ VAStatus vas;
+
+ vas = vaGetConfigAttributes(ctx->hwctx->display,
+ ctx->va_profile, ctx->va_entrypoint,
+ &rc_attr, 1);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to query rate control "
+ "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
+ av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
+ "supported rate control modes: assuming constant-quality.\n");
+ ctx->va_rc_mode = VA_RC_CQP;
+ return 0;
+ }
+ if (avctx->flags & AV_CODEC_FLAG_QSCALE ||
+ avctx->bit_rate <= 0) {
+ if (rc_attr.value & VA_RC_CQP) {
+ av_log(avctx, AV_LOG_VERBOSE, "Using constant-quality mode.\n");
+ ctx->va_rc_mode = VA_RC_CQP;
+ if (avctx->bit_rate > 0 || avctx->rc_max_rate > 0) {
+ av_log(avctx, AV_LOG_WARNING, "Bitrate target parameters "
+ "ignored in constant-quality mode.\n");
+ }
+ return 0;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support "
+ "constant-quality mode (%#x).\n", rc_attr.value);
+ return AVERROR(EINVAL);
+ }
+ }
- if (avctx->bit_rate > INT32_MAX) {
- av_log(avctx, AV_LOG_ERROR, "Target bitrate of 2^31 bps or "
- "higher is not supported.\n");
+ if (!(rc_attr.value & (VA_RC_CBR | VA_RC_VBR))) {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
+ "bitrate-targetted rate control modes.\n");
return AVERROR(EINVAL);
}
if (avctx->rc_buffer_size)
hrd_buffer_size = avctx->rc_buffer_size;
+ else if (avctx->rc_max_rate > 0)
+ hrd_buffer_size = avctx->rc_max_rate;
else
hrd_buffer_size = avctx->bit_rate;
- if (avctx->rc_initial_buffer_occupancy)
+ if (avctx->rc_initial_buffer_occupancy) {
+ if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
+ "must have initial buffer size (%d) < "
+ "buffer size (%"PRId64").\n",
+ avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
+ return AVERROR(EINVAL);
+ }
hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
- else
+ } else {
hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
+ }
+
+ if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: must have "
+ "bitrate (%"PRId64") <= maxrate (%"PRId64").\n",
+ avctx->bit_rate, avctx->rc_max_rate);
+ return AVERROR(EINVAL);
+ }
+
+ if (avctx->rc_max_rate > avctx->bit_rate) {
+ if (!(rc_attr.value & VA_RC_VBR)) {
+ av_log(avctx, AV_LOG_WARNING, "Driver does not support "
+ "VBR mode (%#x), using CBR mode instead.\n",
+ rc_attr.value);
+ ctx->va_rc_mode = VA_RC_CBR;
+
+ rc_bits_per_second = avctx->bit_rate;
+ rc_target_percentage = 100;
+ } else {
+ ctx->va_rc_mode = VA_RC_VBR;
+
+ rc_bits_per_second = avctx->rc_max_rate;
+ rc_target_percentage = (avctx->bit_rate * 100) /
+ avctx->rc_max_rate;
+ }
+
+ } else if (avctx->rc_max_rate == avctx->bit_rate) {
+ if (!(rc_attr.value & VA_RC_CBR)) {
+ av_log(avctx, AV_LOG_WARNING, "Driver does not support "
+ "CBR mode (%#x), using VBR mode instead.\n",
+ rc_attr.value);
+ ctx->va_rc_mode = VA_RC_VBR;
+ } else {
+ ctx->va_rc_mode = VA_RC_CBR;
+ }
- if (ctx->va_rc_mode == VA_RC_CBR) {
rc_bits_per_second = avctx->bit_rate;
rc_target_percentage = 100;
- rc_window_size = 1000;
+
} else {
- if (avctx->rc_max_rate < avctx->bit_rate) {
- // Max rate is unset or invalid, just use the normal bitrate.
+ if (rc_attr.value & VA_RC_VBR) {
+ ctx->va_rc_mode = VA_RC_VBR;
+
+ // We only have a target bitrate, but VAAPI requires that a
+ // maximum rate be supplied as well. Since the user has
+ // offered no particular constraint, arbitrarily pick a
+ // maximum rate of double the target rate.
+ rc_bits_per_second = 2 * avctx->bit_rate;
+ rc_target_percentage = 50;
+ } else {
+ ctx->va_rc_mode = VA_RC_CBR;
+
rc_bits_per_second = avctx->bit_rate;
rc_target_percentage = 100;
- } else {
- rc_bits_per_second = avctx->rc_max_rate;
- rc_target_percentage = (avctx->bit_rate * 100) / rc_bits_per_second;
}
- rc_window_size = (hrd_buffer_size * 1000) / avctx->bit_rate;
}
+ rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
+
+ av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s, %d%% of %"PRId64" bps "
+ "over %d ms.\n", ctx->va_rc_mode == VA_RC_VBR ? "VBR" : "CBR",
+ rc_target_percentage, rc_bits_per_second, rc_window_size);
+ av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
+ "initial fullness %"PRId64" bits.\n",
+ hrd_buffer_size, hrd_initial_buffer_fullness);
+
+ if (rc_bits_per_second > UINT32_MAX ||
+ hrd_buffer_size > UINT32_MAX ||
+ hrd_initial_buffer_fullness > UINT32_MAX) {
+ av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or "
+ "greater are not supported by VAAPI.\n");
+ return AVERROR(EINVAL);
+ }
+
+ ctx->va_bit_rate = rc_bits_per_second;
+
+ ctx->config_attributes[ctx->nb_config_attributes++] =
+ (VAConfigAttrib) {
+ .type = VAConfigAttribRateControl,
+ .value = ctx->va_rc_mode,
+ };
+
ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
.bits_per_second = rc_bits_per_second,
@@ -1607,6 +1688,10 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
if (err < 0)
goto fail;
+ err = vaapi_encode_init_rate_control(avctx);
+ if (err < 0)
+ goto fail;
+
err = vaapi_encode_config_attributes(avctx);
if (err < 0)
goto fail;
@@ -1654,12 +1739,6 @@ av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
goto fail;
}
- if (ctx->va_rc_mode & ~VA_RC_CQP) {
- err = vaapi_encode_init_rate_control(avctx);
- if (err < 0)
- goto fail;
- }
-
if (ctx->codec->configure) {
err = ctx->codec->configure(avctx);
if (err < 0)
diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h
index 30c3f7fbec..e61e900e8d 100644
--- a/libavcodec/vaapi_encode.h
+++ b/libavcodec/vaapi_encode.h
@@ -116,8 +116,6 @@ typedef struct VAAPIEncodeContext {
// Use low power encoding mode.
int low_power;
- // Rate control mode.
- unsigned int va_rc_mode;
// Supported packed headers (initially the desired set, modified
// later to what is actually supported).
unsigned int va_packed_headers;
@@ -138,6 +136,10 @@ typedef struct VAAPIEncodeContext {
VAProfile va_profile;
// Encoding entrypoint (VAEntryoint*).
VAEntrypoint va_entrypoint;
+ // Rate control mode.
+ unsigned int va_rc_mode;
+ // Bitrate for codec-specific encoder parameters.
+ unsigned int va_bit_rate;
// Configuration attributes to use when creating va_config.
VAConfigAttrib config_attributes[MAX_CONFIG_ATTRIBUTES];
diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c
index 69e95dd340..c63766d918 100644
--- a/libavcodec/vaapi_encode_h264.c
+++ b/libavcodec/vaapi_encode_h264.c
@@ -425,9 +425,9 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
// Try to scale these to a sensible range so that the
// golomb encode of the value is not overlong.
hrd->bit_rate_scale =
- av_clip_uintp2(av_log2(avctx->bit_rate) - 15 - 6, 4);
+ av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
hrd->bit_rate_value_minus1[0] =
- (avctx->bit_rate >> hrd->bit_rate_scale + 6) - 1;
+ (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
hrd->cpb_size_scale =
av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4);
@@ -497,7 +497,7 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
.intra_idr_period = avctx->gop_size,
.ip_period = ctx->b_per_p + 1,
- .bits_per_second = avctx->bit_rate,
+ .bits_per_second = ctx->va_bit_rate,
.max_num_ref_frames = sps->max_num_ref_frames,
.picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1,
.picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
@@ -823,10 +823,6 @@ static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
priv->fixed_qp_p = 26;
priv->fixed_qp_b = 26;
- av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %"PRId64" bps.\n",
- ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
- avctx->bit_rate);
-
} else {
av_assert0(0 && "Invalid RC mode.");
}
@@ -934,14 +930,6 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
return AVERROR_PATCHWELCOME;
}
- if (avctx->bit_rate > 0) {
- if (avctx->rc_max_rate == avctx->bit_rate)
- ctx->va_rc_mode = VA_RC_CBR;
- else
- ctx->va_rc_mode = VA_RC_VBR;
- } else
- ctx->va_rc_mode = VA_RC_CQP;
-
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
index b8b66b87cb..b296919b37 100644
--- a/libavcodec/vaapi_encode_h265.c
+++ b/libavcodec/vaapi_encode_h265.c
@@ -512,7 +512,7 @@ static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
.intra_period = avctx->gop_size,
.intra_idr_period = avctx->gop_size,
.ip_period = ctx->b_per_p + 1,
- .bits_per_second = avctx->bit_rate,
+ .bits_per_second = ctx->va_bit_rate,
.pic_width_in_luma_samples = sps->pic_width_in_luma_samples,
.pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
@@ -1014,10 +1014,6 @@ static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
priv->fixed_qp_p = 30;
priv->fixed_qp_b = 30;
- av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %"PRId64" bps.\n",
- ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
- avctx->bit_rate);
-
} else {
av_assert0(0 && "Invalid RC mode.");
}
@@ -1068,14 +1064,6 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
if (avctx->level == FF_LEVEL_UNKNOWN)
avctx->level = priv->level;
- if (avctx->bit_rate > 0) {
- if (avctx->rc_max_rate == avctx->bit_rate)
- ctx->va_rc_mode = VA_RC_CBR;
- else
- ctx->va_rc_mode = VA_RC_VBR;
- } else
- ctx->va_rc_mode = VA_RC_CQP;
-
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
diff --git a/libavcodec/vaapi_encode_mjpeg.c b/libavcodec/vaapi_encode_mjpeg.c
index b328beaa09..67ac2fba96 100644
--- a/libavcodec/vaapi_encode_mjpeg.c
+++ b/libavcodec/vaapi_encode_mjpeg.c
@@ -388,8 +388,6 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx)
ctx->codec = &vaapi_encode_type_mjpeg;
- ctx->va_rc_mode = VA_RC_CQP;
-
// The JPEG image header - see note above.
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_RAW_DATA;
@@ -402,6 +400,7 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx)
static const AVCodecDefault vaapi_encode_mjpeg_defaults[] = {
{ "global_quality", "80" },
+ { "b", "0" },
{ NULL },
};
diff --git a/libavcodec/vaapi_encode_mpeg2.c b/libavcodec/vaapi_encode_mpeg2.c
index db79d72115..ff86b8817e 100644
--- a/libavcodec/vaapi_encode_mpeg2.c
+++ b/libavcodec/vaapi_encode_mpeg2.c
@@ -188,8 +188,8 @@ static int vaapi_encode_mpeg2_init_sequence_params(AVCodecContext *avctx)
memset(pce, 0, sizeof(*pce));
- if (avctx->bit_rate > 0) {
- priv->bit_rate = (avctx->bit_rate + 399) / 400;
+ if (ctx->va_bit_rate > 0) {
+ priv->bit_rate = (ctx->va_bit_rate + 399) / 400;
} else {
// Unknown (not a bitrate-targetting mode), so just use the
// highest value.
@@ -361,7 +361,7 @@ static int vaapi_encode_mpeg2_init_sequence_params(AVCodecContext *avctx)
.picture_width = avctx->width,
.picture_height = avctx->height,
- .bits_per_second = avctx->bit_rate,
+ .bits_per_second = ctx->va_bit_rate,
.frame_rate = av_q2d(priv->frame_rate),
.aspect_ratio_information = sh->aspect_ratio_information,
.vbv_buffer_size = priv->vbv_buffer_size,
@@ -615,8 +615,6 @@ static av_cold int vaapi_encode_mpeg2_init(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
- ctx->va_rc_mode = VA_RC_CQP;
-
ctx->va_packed_headers = VA_ENC_PACKED_HEADER_SEQUENCE |
VA_ENC_PACKED_HEADER_PICTURE;
@@ -666,6 +664,7 @@ static const AVOption vaapi_encode_mpeg2_options[] = {
};
static const AVCodecDefault vaapi_encode_mpeg2_defaults[] = {
+ { "b", "0" },
{ "bf", "1" },
{ "g", "120" },
{ "i_qfactor", "1" },
diff --git a/libavcodec/vaapi_encode_vp8.c b/libavcodec/vaapi_encode_vp8.c
index 9588826bfb..40871a6bbf 100644
--- a/libavcodec/vaapi_encode_vp8.c
+++ b/libavcodec/vaapi_encode_vp8.c
@@ -65,7 +65,7 @@ static int vaapi_encode_vp8_init_sequence_params(AVCodecContext *avctx)
vseq->kf_auto = 0;
if (!(ctx->va_rc_mode & VA_RC_CQP)) {
- vseq->bits_per_second = avctx->bit_rate;
+ vseq->bits_per_second = ctx->va_bit_rate;
vseq->intra_period = avctx->gop_size;
}
@@ -205,17 +205,6 @@ static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx)
ctx->codec = &vaapi_encode_type_vp8;
- if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
- ctx->va_rc_mode = VA_RC_CQP;
- } else if (avctx->bit_rate > 0) {
- if (avctx->rc_max_rate == avctx->bit_rate)
- ctx->va_rc_mode = VA_RC_CBR;
- else
- ctx->va_rc_mode = VA_RC_VBR;
- } else {
- ctx->va_rc_mode = VA_RC_CQP;
- }
-
// Packed headers are not currently supported.
ctx->va_packed_headers = 0;
diff --git a/libavcodec/vaapi_encode_vp9.c b/libavcodec/vaapi_encode_vp9.c
index 4d7cec0520..e400bc8b79 100644
--- a/libavcodec/vaapi_encode_vp9.c
+++ b/libavcodec/vaapi_encode_vp9.c
@@ -71,7 +71,7 @@ static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx)
vseq->kf_auto = 0;
if (!(ctx->va_rc_mode & VA_RC_CQP)) {
- vseq->bits_per_second = avctx->bit_rate;
+ vseq->bits_per_second = ctx->va_bit_rate;
vseq->intra_period = avctx->gop_size;
}
@@ -227,17 +227,6 @@ static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx)
ctx->codec = &vaapi_encode_type_vp9;
- if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
- ctx->va_rc_mode = VA_RC_CQP;
- } else if (avctx->bit_rate > 0) {
- if (avctx->bit_rate == avctx->rc_max_rate)
- ctx->va_rc_mode = VA_RC_CBR;
- else
- ctx->va_rc_mode = VA_RC_VBR;
- } else {
- ctx->va_rc_mode = VA_RC_CQP;
- }
-
// Packed headers are not currently supported.
ctx->va_packed_headers = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 08:01:54 +0000