X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Flibvpxenc.c;h=fce3de0ea88e4602bb6b044d48d8fc477d182bf0;hb=937ff3a18a637a28e56752b57b6c2f6ed47b04c1;hp=79009b1ad5e13a2c8e9b7665f3fa8dcf915415c4;hpb=975a1447f76e8d30fc01e6ea5466c84faf3d76e4;p=ffmpeg diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index 79009b1ad5e..fce3de0ea88 100644 --- a/libavcodec/libvpxenc.c +++ b/libavcodec/libvpxenc.c @@ -29,7 +29,10 @@ #include #include "avcodec.h" +#include "internal.h" #include "libavutil/base64.h" +#include "libavutil/mathematics.h" +#include "libavutil/opt.h" /** * Portion of struct vpx_codec_cx_pkt from vpx_encoder.h. @@ -47,11 +50,19 @@ struct FrameListData { }; typedef struct VP8EncoderContext { + AVClass *class; struct vpx_codec_ctx encoder; struct vpx_image rawimg; struct vpx_fixed_buf twopass_stats; unsigned long deadline; //i.e., RT/GOOD/BEST struct FrameListData *coded_frame_list; + int cpu_used; + int auto_alt_ref; + int arnr_max_frames; + int arnr_strength; + int arnr_type; + int lag_in_frames; + int error_resilient; } VP8Context; /** String mappings for enum vp8e_enc_control_id */ @@ -204,7 +215,6 @@ static av_cold int vp8_init(AVCodecContext *avctx) { VP8Context *ctx = avctx->priv_data; const struct vpx_codec_iface *iface = &vpx_codec_vp8_cx_algo; - int cpuused = 3; struct vpx_codec_enc_cfg enccfg; int res; @@ -224,6 +234,9 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.g_timebase.den = avctx->time_base.den; enccfg.g_threads = avctx->thread_count; + if (ctx->lag_in_frames >= 0) + enccfg.g_lag_in_frames = ctx->lag_in_frames; + if (avctx->flags & CODEC_FLAG_PASS1) enccfg.g_pass = VPX_RC_FIRST_PASS; else if (avctx->flags & CODEC_FLAG_PASS2) @@ -236,9 +249,10 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.rc_end_usage = VPX_CBR; enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000, AV_ROUND_NEAR_INF); - - enccfg.rc_min_quantizer = avctx->qmin; - enccfg.rc_max_quantizer = avctx->qmax; + if (avctx->qmin > 0) + enccfg.rc_min_quantizer = avctx->qmin; + if (avctx->qmax > 0) + enccfg.rc_max_quantizer = avctx->qmax; enccfg.rc_dropframe_thresh = avctx->frame_skip_threshold; //0-100 (0 => CBR, 100 => VBR) @@ -258,9 +272,10 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6; //_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO - if (avctx->keyint_min == avctx->gop_size) + if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size) enccfg.kf_min_dist = avctx->keyint_min; - enccfg.kf_max_dist = avctx->gop_size; + if (avctx->gop_size >= 0) + enccfg.kf_max_dist = avctx->gop_size; if (enccfg.g_pass == VPX_RC_FIRST_PASS) enccfg.g_lag_in_frames = 0; @@ -291,13 +306,14 @@ static av_cold int vp8_init(AVCodecContext *avctx) enccfg.rc_twopass_stats_in = ctx->twopass_stats; } - ctx->deadline = VPX_DL_GOOD_QUALITY; /* 0-3: For non-zero values the encoder increasingly optimizes for reduced complexity playback on low powered devices at the expense of encode quality. */ if (avctx->profile != FF_PROFILE_UNKNOWN) enccfg.g_profile = avctx->profile; + enccfg.g_error_resilient = ctx->error_resilient; + dump_enc_cfg(avctx, &enccfg); /* Construct Encoder Context */ res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, 0); @@ -308,9 +324,19 @@ static av_cold int vp8_init(AVCodecContext *avctx) //codec control failures are currently treated only as warnings av_log(avctx, AV_LOG_DEBUG, "vpx_codec_control\n"); - codecctl_int(avctx, VP8E_SET_CPUUSED, cpuused); + if (ctx->cpu_used != INT_MIN) + codecctl_int(avctx, VP8E_SET_CPUUSED, ctx->cpu_used); + if (ctx->auto_alt_ref >= 0) + codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref); + if (ctx->arnr_max_frames >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_MAXFRAMES, ctx->arnr_max_frames); + if (ctx->arnr_strength >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_STRENGTH, ctx->arnr_strength); + if (ctx->arnr_type >= 0) + codecctl_int(avctx, VP8E_SET_ARNR_TYPE, ctx->arnr_type); codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction); codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices)); + codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, avctx->mb_threshold); //provide dummy value to initialize wrapper, values will be updated each _encode() vpx_img_wrap(&ctx->rawimg, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1, @@ -494,16 +520,61 @@ static int vp8_encode(AVCodecContext *avctx, uint8_t *buf, int buf_size, return coded_size; } +#define OFFSET(x) offsetof(VP8Context, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE}, + { "auto-alt-ref", "Enable use of alternate reference " + "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {-1}, -1, 1, VE}, + { "lag-in-frames", "Number of frames to look ahead for " + "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE}, + { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {-1}, -1, INT_MAX, VE, "arnr_type"}, + { "backward", NULL, 0, AV_OPT_TYPE_CONST, {1}, 0, 0, VE, "arnr_type" }, + { "forward", NULL, 0, AV_OPT_TYPE_CONST, {2}, 0, 0, VE, "arnr_type" }, + { "centered", NULL, 0, AV_OPT_TYPE_CONST, {3}, 0, 0, VE, "arnr_type" }, + { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, + { "best", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, + { "good", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, + { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {VPX_DL_REALTIME}, 0, 0, VE, "quality"}, + { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {0}, INT_MIN, INT_MAX, VE, "er"}, +#ifdef VPX_ERROR_RESILIENT_DEFAULT + { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"}, + { "partitions", "The frame partitions are independently decodable " + "by the bool decoder, meaning that partitions can be decoded even " + "though earlier partitions have been lost. Note that intra predicition" + " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, +#endif + { NULL } +}; + +static const AVClass class = { + .class_name = "libvpx encoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVCodecDefault defaults[] = { + { "qmin", "-1" }, + { "qmax", "-1" }, + { "g", "-1" }, + { "keyint_min", "-1" }, + { NULL }, +}; + AVCodec ff_libvpx_encoder = { - "libvpx", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_VP8, - sizeof(VP8Context), - vp8_init, - vp8_encode, - vp8_free, - NULL, - CODEC_CAP_DELAY, + .name = "libvpx", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_VP8, + .priv_data_size = sizeof(VP8Context), + .init = vp8_init, + .encode = vp8_encode, + .close = vp8_free, + .capabilities = CODEC_CAP_DELAY, .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"), + .priv_class = &class, + .defaults = defaults, };