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https://git.ffmpeg.org/ffmpeg.git
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vaapi_encode: Support more RC modes
Allow setting the mode explicitly, and try to make a sensible choice given the available parameters if not.
This commit is contained in:
Mark Thompson
parent
9d5ca71ec2
commit
f4d7bd6cdb
@ -2824,6 +2824,30 @@ Set the B-frame reference depth. When set to one (the default), all B-frames
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will refer only to P- or I-frames. When set to greater values multiple layers
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of B-frames will be present, frames in each layer only referring to frames in
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higher layers.
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@item rc_mode
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Set the rate control mode to use. A given driver may only support a subset of
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modes.
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Possible modes:
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@table @option
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@item auto
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Choose the mode automatically based on driver support and the other options.
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This is the default.
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@item CQP
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Constant-quality.
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@item CBR
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Constant-bitrate.
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@item VBR
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Variable-bitrate.
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@item ICQ
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Intelligent constant-quality.
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@item QVBR
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Quality-defined variable-bitrate.
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@item AVBR
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Average variable bitrate.
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@end table
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@end table
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Each encoder also has its own specific options:
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@ -1283,17 +1283,42 @@ fail:
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return err;
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}
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static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
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// Bitrate Quality
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// | Maxrate | HRD/VBV
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{ 0 }, // | | | |
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{ RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
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{ RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
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{ RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
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#if VA_CHECK_VERSION(1, 1, 0)
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{ RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
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#else
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{ RC_MODE_ICQ, "ICQ", 0 },
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#endif
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#if VA_CHECK_VERSION(1, 3, 0)
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{ RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
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{ RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
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#else
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{ RC_MODE_QVBR, "QVBR", 0 },
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{ RC_MODE_AVBR, "AVBR", 0 },
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#endif
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};
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static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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uint32_t supported_va_rc_modes;
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const VAAPIEncodeRCMode *rc_mode;
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int64_t rc_bits_per_second;
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int rc_target_percentage;
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int rc_window_size;
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int rc_quality;
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int64_t hrd_buffer_size;
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int64_t hrd_initial_buffer_fullness;
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int fr_num, fr_den;
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VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
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VAStatus vas;
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char supported_rc_modes_string[64];
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vas = vaGetConfigAttributes(ctx->hwctx->display,
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ctx->va_profile, ctx->va_entrypoint,
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@ -1303,119 +1328,213 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
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"config attribute: %d (%s).\n", vas, vaErrorStr(vas));
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return AVERROR_EXTERNAL;
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}
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if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
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av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
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"supported rate control modes: assuming constant-quality.\n");
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ctx->va_rc_mode = VA_RC_CQP;
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return 0;
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}
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if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY ||
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avctx->flags & AV_CODEC_FLAG_QSCALE ||
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avctx->bit_rate <= 0) {
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if (rc_attr.value & VA_RC_CQP) {
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av_log(avctx, AV_LOG_VERBOSE, "Using constant-quality mode.\n");
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ctx->va_rc_mode = VA_RC_CQP;
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if (avctx->bit_rate > 0 || avctx->rc_max_rate > 0) {
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av_log(avctx, AV_LOG_WARNING, "Bitrate target parameters "
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"ignored in constant-quality mode.\n");
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"supported rate control modes: assuming CQP only.\n");
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supported_va_rc_modes = VA_RC_CQP;
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strcpy(supported_rc_modes_string, "unknown");
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} else {
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char *str = supported_rc_modes_string;
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size_t len = sizeof(supported_rc_modes_string);
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int i, first = 1, res;
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supported_va_rc_modes = rc_attr.value;
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for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
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rc_mode = &vaapi_encode_rc_modes[i];
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if (supported_va_rc_modes & rc_mode->va_mode) {
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res = snprintf(str, len, "%s%s",
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first ? "" : ", ", rc_mode->name);
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first = 0;
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if (res < 0) {
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*str = 0;
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break;
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}
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len -= res;
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str += res;
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if (len == 0)
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break;
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}
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return 0;
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} else {
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av_log(avctx, AV_LOG_ERROR, "Driver does not support "
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"constant-quality mode (%#x).\n", rc_attr.value);
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return AVERROR(EINVAL);
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}
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av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
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supported_rc_modes_string);
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}
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if (!(rc_attr.value & (VA_RC_CBR | VA_RC_VBR))) {
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av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
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"bitrate-targetted rate control modes.\n");
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return AVERROR(EINVAL);
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// Rate control mode selection:
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// * If the user has set a mode explicitly with the rc_mode option,
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// use it and fail if it is not available.
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// * If an explicit QP option has been set, use CQP.
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// * If the codec is CQ-only, use CQP.
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// * If the QSCALE avcodec option is set, use CQP.
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// * If bitrate and quality are both set, try QVBR.
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// * If quality is set, try ICQ, then CQP.
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// * If bitrate and maxrate are set and have the same value, try CBR.
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// * If a bitrate is set, try AVBR, then VBR, then CBR.
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// * If no bitrate is set, try ICQ, then CQP.
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#define TRY_RC_MODE(mode, fail) do { \
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rc_mode = &vaapi_encode_rc_modes[mode]; \
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if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
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if (fail) { \
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av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
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"RC mode (supported modes: %s).\n", rc_mode->name, \
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supported_rc_modes_string); \
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return AVERROR(EINVAL); \
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} \
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av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
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"RC mode.\n", rc_mode->name); \
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rc_mode = NULL; \
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} else { \
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goto rc_mode_found; \
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} \
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} while (0)
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if (ctx->explicit_rc_mode)
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TRY_RC_MODE(ctx->explicit_rc_mode, 1);
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if (ctx->explicit_qp)
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TRY_RC_MODE(RC_MODE_CQP, 1);
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if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
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TRY_RC_MODE(RC_MODE_CQP, 1);
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if (avctx->flags & AV_CODEC_FLAG_QSCALE)
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TRY_RC_MODE(RC_MODE_CQP, 1);
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if (avctx->bit_rate > 0 && avctx->global_quality > 0)
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TRY_RC_MODE(RC_MODE_QVBR, 0);
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if (avctx->global_quality > 0) {
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TRY_RC_MODE(RC_MODE_ICQ, 0);
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TRY_RC_MODE(RC_MODE_CQP, 0);
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}
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if (avctx->rc_buffer_size)
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hrd_buffer_size = avctx->rc_buffer_size;
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else if (avctx->rc_max_rate > 0)
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hrd_buffer_size = avctx->rc_max_rate;
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else
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hrd_buffer_size = avctx->bit_rate;
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if (avctx->rc_initial_buffer_occupancy) {
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if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
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av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
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"must have initial buffer size (%d) < "
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"buffer size (%"PRId64").\n",
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avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
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return AVERROR(EINVAL);
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}
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hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
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if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
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TRY_RC_MODE(RC_MODE_CBR, 0);
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if (avctx->bit_rate > 0) {
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TRY_RC_MODE(RC_MODE_AVBR, 0);
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TRY_RC_MODE(RC_MODE_VBR, 0);
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TRY_RC_MODE(RC_MODE_CBR, 0);
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} else {
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hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
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TRY_RC_MODE(RC_MODE_ICQ, 0);
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TRY_RC_MODE(RC_MODE_CQP, 0);
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}
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if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
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av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: must have "
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"bitrate (%"PRId64") <= maxrate (%"PRId64").\n",
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avctx->bit_rate, avctx->rc_max_rate);
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return AVERROR(EINVAL);
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}
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av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
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"RC mode compatible with selected options "
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"(supported modes: %s).\n", supported_rc_modes_string);
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return AVERROR(EINVAL);
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if (avctx->rc_max_rate > avctx->bit_rate) {
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if (!(rc_attr.value & VA_RC_VBR)) {
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av_log(avctx, AV_LOG_WARNING, "Driver does not support "
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"VBR mode (%#x), using CBR mode instead.\n",
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rc_attr.value);
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ctx->va_rc_mode = VA_RC_CBR;
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rc_mode_found:
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if (rc_mode->bitrate) {
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if (avctx->bit_rate <= 0) {
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av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
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"RC mode.\n", rc_mode->name);
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return AVERROR(EINVAL);
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}
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if (rc_mode->mode == RC_MODE_AVBR) {
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// For maximum confusion AVBR is hacked into the existing API
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// by overloading some of the fields with completely different
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// meanings.
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// Target percentage does not apply in AVBR mode.
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rc_bits_per_second = avctx->bit_rate;
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// Accuracy tolerance range for meeting the specified target
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// bitrate. It's very unclear how this is actually intended
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// to work - since we do want to get the specified bitrate,
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// set the accuracy to 100% for now.
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rc_target_percentage = 100;
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// Convergence period in frames. The GOP size reflects the
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// user's intended block size for cutting, so reusing that
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// as the convergence period seems a reasonable default.
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rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
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} else if (rc_mode->maxrate) {
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if (avctx->rc_max_rate > 0) {
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if (avctx->rc_max_rate < avctx->bit_rate) {
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av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
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"bitrate (%"PRId64") must not be greater than "
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"maxrate (%"PRId64").\n", avctx->bit_rate,
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avctx->rc_max_rate);
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return AVERROR(EINVAL);
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}
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rc_bits_per_second = avctx->rc_max_rate;
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rc_target_percentage = (avctx->bit_rate * 100) /
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avctx->rc_max_rate;
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} else {
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// We only have a target bitrate, but this mode requires
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// that a maximum rate be supplied as well. Since the
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// user does not want this to be a constraint, arbitrarily
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// pick a maximum rate of double the target rate.
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rc_bits_per_second = 2 * avctx->bit_rate;
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rc_target_percentage = 50;
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}
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} else {
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if (avctx->rc_max_rate > avctx->bit_rate) {
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av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
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"in %s RC mode.\n", rc_mode->name);
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}
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rc_bits_per_second = avctx->bit_rate;
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rc_target_percentage = 100;
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} else {
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ctx->va_rc_mode = VA_RC_VBR;
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rc_bits_per_second = avctx->rc_max_rate;
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rc_target_percentage = (avctx->bit_rate * 100) /
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avctx->rc_max_rate;
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}
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} else if (avctx->rc_max_rate == avctx->bit_rate) {
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if (!(rc_attr.value & VA_RC_CBR)) {
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av_log(avctx, AV_LOG_WARNING, "Driver does not support "
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"CBR mode (%#x), using VBR mode instead.\n",
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rc_attr.value);
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ctx->va_rc_mode = VA_RC_VBR;
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} else {
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ctx->va_rc_mode = VA_RC_CBR;
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}
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rc_bits_per_second = avctx->bit_rate;
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} else {
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rc_bits_per_second = 0;
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rc_target_percentage = 100;
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} else {
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if (rc_attr.value & VA_RC_VBR) {
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ctx->va_rc_mode = VA_RC_VBR;
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// We only have a target bitrate, but VAAPI requires that a
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// maximum rate be supplied as well. Since the user has
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// offered no particular constraint, arbitrarily pick a
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// maximum rate of double the target rate.
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rc_bits_per_second = 2 * avctx->bit_rate;
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rc_target_percentage = 50;
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} else {
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ctx->va_rc_mode = VA_RC_CBR;
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rc_bits_per_second = avctx->bit_rate;
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rc_target_percentage = 100;
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}
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}
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rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
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if (rc_mode->quality) {
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if (ctx->explicit_qp) {
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rc_quality = ctx->explicit_qp;
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} else if (avctx->global_quality > 0) {
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rc_quality = avctx->global_quality;
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} else {
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rc_quality = ctx->codec->default_quality;
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av_log(avctx, AV_LOG_WARNING, "No quality level set; "
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"using default (%d).\n", rc_quality);
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}
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} else {
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rc_quality = 0;
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}
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av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s, %d%% of %"PRId64" bps "
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"over %d ms.\n", ctx->va_rc_mode == VA_RC_VBR ? "VBR" : "CBR",
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rc_target_percentage, rc_bits_per_second, rc_window_size);
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av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
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"initial fullness %"PRId64" bits.\n",
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hrd_buffer_size, hrd_initial_buffer_fullness);
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if (rc_mode->hrd) {
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if (avctx->rc_buffer_size)
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hrd_buffer_size = avctx->rc_buffer_size;
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else if (avctx->rc_max_rate > 0)
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hrd_buffer_size = avctx->rc_max_rate;
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else
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hrd_buffer_size = avctx->bit_rate;
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if (avctx->rc_initial_buffer_occupancy) {
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if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
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av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
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"must have initial buffer size (%d) <= "
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"buffer size (%"PRId64").\n",
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avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
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return AVERROR(EINVAL);
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}
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hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
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} else {
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hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
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}
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rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
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} else {
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if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
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av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
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"in %s RC mode.\n", rc_mode->name);
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}
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hrd_buffer_size = 0;
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hrd_initial_buffer_fullness = 0;
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if (rc_mode->mode != RC_MODE_AVBR) {
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// Already set (with completely different meaning) for AVBR.
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rc_window_size = 1000;
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}
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}
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if (rc_bits_per_second > UINT32_MAX ||
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hrd_buffer_size > UINT32_MAX ||
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@ -1425,36 +1544,70 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
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return AVERROR(EINVAL);
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}
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ctx->rc_mode = rc_mode;
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ctx->rc_quality = rc_quality;
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ctx->va_rc_mode = rc_mode->va_mode;
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ctx->va_bit_rate = rc_bits_per_second;
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ctx->config_attributes[ctx->nb_config_attributes++] =
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(VAConfigAttrib) {
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.type = VAConfigAttribRateControl,
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.value = ctx->va_rc_mode,
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};
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av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
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if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
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// This driver does not want the RC mode attribute to be set.
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} else {
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ctx->config_attributes[ctx->nb_config_attributes++] =
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(VAConfigAttrib) {
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.type = VAConfigAttribRateControl,
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.value = ctx->va_rc_mode,
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};
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}
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ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
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ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
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.bits_per_second = rc_bits_per_second,
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.target_percentage = rc_target_percentage,
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.window_size = rc_window_size,
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.initial_qp = 0,
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||||
.min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
|
||||
.basic_unit_size = 0,
|
||||
if (rc_mode->quality)
|
||||
av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
|
||||
|
||||
if (rc_mode->va_mode != VA_RC_CQP) {
|
||||
if (rc_mode->mode == RC_MODE_AVBR) {
|
||||
av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
|
||||
"converging in %d frames with %d%% accuracy.\n",
|
||||
rc_bits_per_second, rc_window_size,
|
||||
rc_target_percentage);
|
||||
} else if (rc_mode->bitrate) {
|
||||
av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
|
||||
"%"PRId64" bps over %d ms.\n", rc_target_percentage,
|
||||
rc_bits_per_second, rc_window_size);
|
||||
}
|
||||
|
||||
ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
|
||||
ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
|
||||
.bits_per_second = rc_bits_per_second,
|
||||
.target_percentage = rc_target_percentage,
|
||||
.window_size = rc_window_size,
|
||||
.initial_qp = 0,
|
||||
.min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
|
||||
.basic_unit_size = 0,
|
||||
#if VA_CHECK_VERSION(1, 1, 0)
|
||||
.max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
|
||||
.ICQ_quality_factor = av_clip(rc_quality, 1, 51),
|
||||
.max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
|
||||
#endif
|
||||
};
|
||||
vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
|
||||
sizeof(ctx->rc_params));
|
||||
#if VA_CHECK_VERSION(1, 3, 0)
|
||||
.quality_factor = rc_quality,
|
||||
#endif
|
||||
};
|
||||
vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
|
||||
sizeof(ctx->rc_params));
|
||||
}
|
||||
|
||||
ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
|
||||
ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
|
||||
.initial_buffer_fullness = hrd_initial_buffer_fullness,
|
||||
.buffer_size = hrd_buffer_size,
|
||||
};
|
||||
vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
|
||||
sizeof(ctx->hrd_params));
|
||||
if (rc_mode->hrd) {
|
||||
av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
|
||||
"initial fullness %"PRId64" bits.\n",
|
||||
hrd_buffer_size, hrd_initial_buffer_fullness);
|
||||
|
||||
ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
|
||||
ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
|
||||
.initial_buffer_fullness = hrd_initial_buffer_fullness,
|
||||
.buffer_size = hrd_buffer_size,
|
||||
};
|
||||
vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
|
||||
sizeof(ctx->hrd_params));
|
||||
}
|
||||
|
||||
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
|
||||
av_reduce(&fr_num, &fr_den,
|
||||
@ -1463,6 +1616,9 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
|
||||
av_reduce(&fr_num, &fr_den,
|
||||
avctx->time_base.den, avctx->time_base.num, 65535);
|
||||
|
||||
av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
|
||||
fr_num, fr_den, (double)fr_num / fr_den);
|
||||
|
||||
ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;
|
||||
ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;
|
||||
|
||||
|
||||
@ -129,6 +129,36 @@ typedef struct VAAPIEncodeProfile {
|
||||
VAProfile va_profile;
|
||||
} VAAPIEncodeProfile;
|
||||
|
||||
enum {
|
||||
RC_MODE_AUTO,
|
||||
RC_MODE_CQP,
|
||||
RC_MODE_CBR,
|
||||
RC_MODE_VBR,
|
||||
RC_MODE_ICQ,
|
||||
RC_MODE_QVBR,
|
||||
RC_MODE_AVBR,
|
||||
RC_MODE_MAX = RC_MODE_AVBR,
|
||||
};
|
||||
|
||||
typedef struct VAAPIEncodeRCMode {
|
||||
// Mode from above enum (RC_MODE_*).
|
||||
int mode;
|
||||
// Name.
|
||||
const char *name;
|
||||
// Supported in the compile-time VAAPI version.
|
||||
int supported;
|
||||
// VA mode value (VA_RC_*).
|
||||
uint32_t va_mode;
|
||||
// Uses bitrate parameters.
|
||||
int bitrate;
|
||||
// Supports maxrate distinct from bitrate.
|
||||
int maxrate;
|
||||
// Uses quality value.
|
||||
int quality;
|
||||
// Supports HRD/VBV parameters.
|
||||
int hrd;
|
||||
} VAAPIEncodeRCMode;
|
||||
|
||||
typedef struct VAAPIEncodeContext {
|
||||
const AVClass *class;
|
||||
|
||||
@ -146,6 +176,14 @@ typedef struct VAAPIEncodeContext {
|
||||
// Desired B frame reference depth.
|
||||
int desired_b_depth;
|
||||
|
||||
// Explicitly set RC mode (otherwise attempt to pick from
|
||||
// available modes).
|
||||
int explicit_rc_mode;
|
||||
|
||||
// Explicitly-set QP, for use with the "qp" options.
|
||||
// (Forces CQP mode when set, overriding everything else.)
|
||||
int explicit_qp;
|
||||
|
||||
// Desired packed headers.
|
||||
unsigned int desired_packed_headers;
|
||||
|
||||
@ -165,6 +203,12 @@ typedef struct VAAPIEncodeContext {
|
||||
// Chosen encoding profile details.
|
||||
const VAAPIEncodeProfile *profile;
|
||||
|
||||
// Chosen rate control mode details.
|
||||
const VAAPIEncodeRCMode *rc_mode;
|
||||
// RC quality level - meaning depends on codec and RC mode.
|
||||
// In CQP mode this sets the fixed quantiser value.
|
||||
int rc_quality;
|
||||
|
||||
// Encoding profile (VAProfile*).
|
||||
VAProfile va_profile;
|
||||
// Encoding entrypoint (VAEntryoint*).
|
||||
@ -296,6 +340,10 @@ typedef struct VAAPIEncodeType {
|
||||
// Codec feature flags.
|
||||
int flags;
|
||||
|
||||
// Default quality for this codec - used as quantiser or RC quality
|
||||
// factor depending on RC mode.
|
||||
int default_quality;
|
||||
|
||||
// Perform any extra codec-specific configuration after the
|
||||
// codec context is initialised (set up the private data and
|
||||
// add any necessary global parameters).
|
||||
@ -382,5 +430,22 @@ int ff_vaapi_encode_close(AVCodecContext *avctx);
|
||||
OFFSET(common.desired_b_depth), AV_OPT_TYPE_INT, \
|
||||
{ .i64 = 1 }, 1, INT_MAX, FLAGS }
|
||||
|
||||
#define VAAPI_ENCODE_RC_MODE(name, desc) \
|
||||
{ #name, desc, 0, AV_OPT_TYPE_CONST, { .i64 = RC_MODE_ ## name }, \
|
||||
0, 0, FLAGS, "rc_mode" }
|
||||
#define VAAPI_ENCODE_RC_OPTIONS \
|
||||
{ "rc_mode",\
|
||||
"Set rate control mode", \
|
||||
OFFSET(common.explicit_rc_mode), AV_OPT_TYPE_INT, \
|
||||
{ .i64 = RC_MODE_AUTO }, RC_MODE_AUTO, RC_MODE_MAX, FLAGS, "rc_mode" }, \
|
||||
{ "auto", "Choose mode automatically based on other parameters", \
|
||||
0, AV_OPT_TYPE_CONST, { .i64 = RC_MODE_AUTO }, 0, 0, FLAGS, "rc_mode" }, \
|
||||
VAAPI_ENCODE_RC_MODE(CQP, "Constant-quality"), \
|
||||
VAAPI_ENCODE_RC_MODE(CBR, "Constant-bitrate"), \
|
||||
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")
|
||||
|
||||
|
||||
#endif /* AVCODEC_VAAPI_ENCODE_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user