/
libvpxenc.c
1233 lines (1126 loc) · 48.1 KB
/
libvpxenc.c
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/*
* Copyright (c) 2010, Google, Inc.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* VP8/9 encoder support via libvpx
*/
#define VPX_DISABLE_CTRL_TYPECHECKS 1
#define VPX_CODEC_DISABLE_COMPAT 1
#include <vpx/vpx_encoder.h>
#include <vpx/vp8cx.h>
#include "avcodec.h"
#include "internal.h"
#include "libavutil/avassert.h"
#include "libvpx.h"
#include "profiles.h"
#include "libavutil/base64.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
/**
* Portion of struct vpx_codec_cx_pkt from vpx_encoder.h.
* One encoded frame returned from the library.
*/
struct FrameListData {
void *buf; /**< compressed data buffer */
size_t sz; /**< length of compressed data */
void *buf_alpha;
size_t sz_alpha;
int64_t pts; /**< time stamp to show frame
(in timebase units) */
unsigned long duration; /**< duration to show frame
(in timebase units) */
uint32_t flags; /**< flags for this frame */
uint64_t sse[4];
int have_sse; /**< true if we have pending sse[] */
uint64_t frame_number;
struct FrameListData *next;
};
typedef struct VPxEncoderContext {
AVClass *class;
struct vpx_codec_ctx encoder;
struct vpx_image rawimg;
struct vpx_codec_ctx encoder_alpha;
struct vpx_image rawimg_alpha;
uint8_t is_alpha;
struct vpx_fixed_buf twopass_stats;
int deadline; //i.e., RT/GOOD/BEST
uint64_t sse[4];
int have_sse; /**< true if we have pending sse[] */
uint64_t frame_number;
struct FrameListData *coded_frame_list;
int cpu_used;
/**
* VP8 specific flags, see VP8F_* below.
*/
int flags;
#define VP8F_ERROR_RESILIENT 0x00000001 ///< Enable measures appropriate for streaming over lossy links
#define VP8F_AUTO_ALT_REF 0x00000002 ///< Enable automatic alternate reference frame generation
int auto_alt_ref;
int arnr_max_frames;
int arnr_strength;
int arnr_type;
int tune;
int lag_in_frames;
int error_resilient;
int crf;
int static_thresh;
int max_intra_rate;
int rc_undershoot_pct;
int rc_overshoot_pct;
// VP9-only
int lossless;
int tile_columns;
int tile_rows;
int frame_parallel;
int aq_mode;
int drop_threshold;
int noise_sensitivity;
int vpx_cs;
float level;
int row_mt;
} VPxContext;
/** String mappings for enum vp8e_enc_control_id */
static const char *const ctlidstr[] = {
[VP8E_SET_CPUUSED] = "VP8E_SET_CPUUSED",
[VP8E_SET_ENABLEAUTOALTREF] = "VP8E_SET_ENABLEAUTOALTREF",
[VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
[VP8E_SET_STATIC_THRESHOLD] = "VP8E_SET_STATIC_THRESHOLD",
[VP8E_SET_TOKEN_PARTITIONS] = "VP8E_SET_TOKEN_PARTITIONS",
[VP8E_SET_ARNR_MAXFRAMES] = "VP8E_SET_ARNR_MAXFRAMES",
[VP8E_SET_ARNR_STRENGTH] = "VP8E_SET_ARNR_STRENGTH",
[VP8E_SET_ARNR_TYPE] = "VP8E_SET_ARNR_TYPE",
[VP8E_SET_TUNING] = "VP8E_SET_TUNING",
[VP8E_SET_CQ_LEVEL] = "VP8E_SET_CQ_LEVEL",
[VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
#if CONFIG_LIBVPX_VP9_ENCODER
[VP9E_SET_LOSSLESS] = "VP9E_SET_LOSSLESS",
[VP9E_SET_TILE_COLUMNS] = "VP9E_SET_TILE_COLUMNS",
[VP9E_SET_TILE_ROWS] = "VP9E_SET_TILE_ROWS",
[VP9E_SET_FRAME_PARALLEL_DECODING] = "VP9E_SET_FRAME_PARALLEL_DECODING",
[VP9E_SET_AQ_MODE] = "VP9E_SET_AQ_MODE",
#if VPX_ENCODER_ABI_VERSION > 8
[VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
#endif
#if VPX_ENCODER_ABI_VERSION >= 11
[VP9E_SET_COLOR_RANGE] = "VP9E_SET_COLOR_RANGE",
#endif
#if VPX_ENCODER_ABI_VERSION >= 12
[VP9E_SET_TARGET_LEVEL] = "VP9E_SET_TARGET_LEVEL",
[VP9E_GET_LEVEL] = "VP9E_GET_LEVEL",
#endif
#ifdef VPX_CTRL_VP9E_SET_ROW_MT
[VP9E_SET_ROW_MT] = "VP9E_SET_ROW_MT",
#endif
#endif
};
static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
{
VPxContext *ctx = avctx->priv_data;
const char *error = vpx_codec_error(&ctx->encoder);
const char *detail = vpx_codec_error_detail(&ctx->encoder);
av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
if (detail)
av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail);
}
static av_cold void dump_enc_cfg(AVCodecContext *avctx,
const struct vpx_codec_enc_cfg *cfg)
{
int width = -30;
int level = AV_LOG_DEBUG;
av_log(avctx, level, "vpx_codec_enc_cfg\n");
av_log(avctx, level, "generic settings\n"
" %*s%u\n %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
#if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
" %*s%u\n %*s%u\n"
#endif
" %*s{%u/%u}\n %*s%u\n %*s%d\n %*s%u\n",
width, "g_usage:", cfg->g_usage,
width, "g_threads:", cfg->g_threads,
width, "g_profile:", cfg->g_profile,
width, "g_w:", cfg->g_w,
width, "g_h:", cfg->g_h,
#if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
width, "g_bit_depth:", cfg->g_bit_depth,
width, "g_input_bit_depth:", cfg->g_input_bit_depth,
#endif
width, "g_timebase:", cfg->g_timebase.num, cfg->g_timebase.den,
width, "g_error_resilient:", cfg->g_error_resilient,
width, "g_pass:", cfg->g_pass,
width, "g_lag_in_frames:", cfg->g_lag_in_frames);
av_log(avctx, level, "rate control settings\n"
" %*s%u\n %*s%u\n %*s%u\n %*s%u\n"
" %*s%d\n %*s%p(%"SIZE_SPECIFIER")\n %*s%u\n",
width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
width, "rc_resize_allowed:", cfg->rc_resize_allowed,
width, "rc_resize_up_thresh:", cfg->rc_resize_up_thresh,
width, "rc_resize_down_thresh:", cfg->rc_resize_down_thresh,
width, "rc_end_usage:", cfg->rc_end_usage,
width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
width, "rc_target_bitrate:", cfg->rc_target_bitrate);
av_log(avctx, level, "quantizer settings\n"
" %*s%u\n %*s%u\n",
width, "rc_min_quantizer:", cfg->rc_min_quantizer,
width, "rc_max_quantizer:", cfg->rc_max_quantizer);
av_log(avctx, level, "bitrate tolerance\n"
" %*s%u\n %*s%u\n",
width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
width, "rc_overshoot_pct:", cfg->rc_overshoot_pct);
av_log(avctx, level, "decoder buffer model\n"
" %*s%u\n %*s%u\n %*s%u\n",
width, "rc_buf_sz:", cfg->rc_buf_sz,
width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
av_log(avctx, level, "2 pass rate control settings\n"
" %*s%u\n %*s%u\n %*s%u\n",
width, "rc_2pass_vbr_bias_pct:", cfg->rc_2pass_vbr_bias_pct,
width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
av_log(avctx, level, "keyframing settings\n"
" %*s%d\n %*s%u\n %*s%u\n",
width, "kf_mode:", cfg->kf_mode,
width, "kf_min_dist:", cfg->kf_min_dist,
width, "kf_max_dist:", cfg->kf_max_dist);
av_log(avctx, level, "\n");
}
static void coded_frame_add(void *list, struct FrameListData *cx_frame)
{
struct FrameListData **p = list;
while (*p)
p = &(*p)->next;
*p = cx_frame;
cx_frame->next = NULL;
}
static av_cold void free_coded_frame(struct FrameListData *cx_frame)
{
av_freep(&cx_frame->buf);
if (cx_frame->buf_alpha)
av_freep(&cx_frame->buf_alpha);
av_freep(&cx_frame);
}
static av_cold void free_frame_list(struct FrameListData *list)
{
struct FrameListData *p = list;
while (p) {
list = list->next;
free_coded_frame(p);
p = list;
}
}
static av_cold int codecctl_int(AVCodecContext *avctx,
enum vp8e_enc_control_id id, int val)
{
VPxContext *ctx = avctx->priv_data;
char buf[80];
int width = -30;
int res;
snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, val);
res = vpx_codec_control(&ctx->encoder, id, val);
if (res != VPX_CODEC_OK) {
snprintf(buf, sizeof(buf), "Failed to set %s codec control",
ctlidstr[id]);
log_encoder_error(avctx, buf);
}
return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
}
#if VPX_ENCODER_ABI_VERSION >= 12
static av_cold int codecctl_intp(AVCodecContext *avctx,
enum vp8e_enc_control_id id, int *val)
{
VPxContext *ctx = avctx->priv_data;
char buf[80];
int width = -30;
int res;
snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
av_log(avctx, AV_LOG_DEBUG, " %*s%d\n", width, buf, *val);
res = vpx_codec_control(&ctx->encoder, id, val);
if (res != VPX_CODEC_OK) {
snprintf(buf, sizeof(buf), "Failed to set %s codec control",
ctlidstr[id]);
log_encoder_error(avctx, buf);
}
return res == VPX_CODEC_OK ? 0 : AVERROR(EINVAL);
}
#endif
static av_cold int vpx_free(AVCodecContext *avctx)
{
VPxContext *ctx = avctx->priv_data;
#if VPX_ENCODER_ABI_VERSION >= 12
if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->level >= 0 &&
!(avctx->flags & AV_CODEC_FLAG_PASS1)) {
int level_out = 0;
if (!codecctl_intp(avctx, VP9E_GET_LEVEL, &level_out))
av_log(avctx, AV_LOG_INFO, "Encoded level %.1f\n", level_out * 0.1);
}
#endif
vpx_codec_destroy(&ctx->encoder);
if (ctx->is_alpha)
vpx_codec_destroy(&ctx->encoder_alpha);
av_freep(&ctx->twopass_stats.buf);
av_freep(&avctx->stats_out);
free_frame_list(ctx->coded_frame_list);
return 0;
}
#if CONFIG_LIBVPX_VP9_ENCODER
static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t *flags,
vpx_img_fmt_t *img_fmt)
{
VPxContext av_unused *ctx = avctx->priv_data;
#ifdef VPX_IMG_FMT_HIGHBITDEPTH
enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
#endif
switch (avctx->pix_fmt) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUVA420P:
enccfg->g_profile = 0;
*img_fmt = VPX_IMG_FMT_I420;
return 0;
case AV_PIX_FMT_YUV422P:
enccfg->g_profile = 1;
*img_fmt = VPX_IMG_FMT_I422;
return 0;
#if VPX_IMAGE_ABI_VERSION >= 3
case AV_PIX_FMT_YUV440P:
enccfg->g_profile = 1;
*img_fmt = VPX_IMG_FMT_I440;
return 0;
case AV_PIX_FMT_GBRP:
ctx->vpx_cs = VPX_CS_SRGB;
#endif
case AV_PIX_FMT_YUV444P:
enccfg->g_profile = 1;
*img_fmt = VPX_IMG_FMT_I444;
return 0;
#ifdef VPX_IMG_FMT_HIGHBITDEPTH
case AV_PIX_FMT_YUV420P10:
case AV_PIX_FMT_YUV420P12:
if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
enccfg->g_bit_depth = enccfg->g_input_bit_depth =
avctx->pix_fmt == AV_PIX_FMT_YUV420P10 ? 10 : 12;
enccfg->g_profile = 2;
*img_fmt = VPX_IMG_FMT_I42016;
*flags |= VPX_CODEC_USE_HIGHBITDEPTH;
return 0;
}
break;
case AV_PIX_FMT_YUV422P10:
case AV_PIX_FMT_YUV422P12:
if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
enccfg->g_bit_depth = enccfg->g_input_bit_depth =
avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 10 : 12;
enccfg->g_profile = 3;
*img_fmt = VPX_IMG_FMT_I42216;
*flags |= VPX_CODEC_USE_HIGHBITDEPTH;
return 0;
}
break;
#if VPX_IMAGE_ABI_VERSION >= 3
case AV_PIX_FMT_YUV440P10:
case AV_PIX_FMT_YUV440P12:
if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
enccfg->g_bit_depth = enccfg->g_input_bit_depth =
avctx->pix_fmt == AV_PIX_FMT_YUV440P10 ? 10 : 12;
enccfg->g_profile = 3;
*img_fmt = VPX_IMG_FMT_I44016;
*flags |= VPX_CODEC_USE_HIGHBITDEPTH;
return 0;
}
break;
case AV_PIX_FMT_GBRP10:
case AV_PIX_FMT_GBRP12:
ctx->vpx_cs = VPX_CS_SRGB;
#endif
case AV_PIX_FMT_YUV444P10:
case AV_PIX_FMT_YUV444P12:
if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH) {
enccfg->g_bit_depth = enccfg->g_input_bit_depth =
avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ||
avctx->pix_fmt == AV_PIX_FMT_GBRP10 ? 10 : 12;
enccfg->g_profile = 3;
*img_fmt = VPX_IMG_FMT_I44416;
*flags |= VPX_CODEC_USE_HIGHBITDEPTH;
return 0;
}
break;
#endif
default:
break;
}
av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
return AVERROR_INVALIDDATA;
}
#if VPX_ENCODER_ABI_VERSION > 8
static void set_colorspace(AVCodecContext *avctx)
{
enum vpx_color_space vpx_cs;
VPxContext *ctx = avctx->priv_data;
if (ctx->vpx_cs) {
vpx_cs = ctx->vpx_cs;
} else {
switch (avctx->colorspace) {
case AVCOL_SPC_RGB: vpx_cs = VPX_CS_SRGB; break;
case AVCOL_SPC_BT709: vpx_cs = VPX_CS_BT_709; break;
case AVCOL_SPC_UNSPECIFIED: vpx_cs = VPX_CS_UNKNOWN; break;
case AVCOL_SPC_RESERVED: vpx_cs = VPX_CS_RESERVED; break;
case AVCOL_SPC_BT470BG: vpx_cs = VPX_CS_BT_601; break;
case AVCOL_SPC_SMPTE170M: vpx_cs = VPX_CS_SMPTE_170; break;
case AVCOL_SPC_SMPTE240M: vpx_cs = VPX_CS_SMPTE_240; break;
case AVCOL_SPC_BT2020_NCL: vpx_cs = VPX_CS_BT_2020; break;
default:
av_log(avctx, AV_LOG_WARNING, "Unsupported colorspace (%d)\n",
avctx->colorspace);
return;
}
}
codecctl_int(avctx, VP9E_SET_COLOR_SPACE, vpx_cs);
}
#endif
#if VPX_ENCODER_ABI_VERSION >= 11
static void set_color_range(AVCodecContext *avctx)
{
enum vpx_color_range vpx_cr;
switch (avctx->color_range) {
case AVCOL_RANGE_UNSPECIFIED:
case AVCOL_RANGE_MPEG: vpx_cr = VPX_CR_STUDIO_RANGE; break;
case AVCOL_RANGE_JPEG: vpx_cr = VPX_CR_FULL_RANGE; break;
default:
av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
avctx->color_range);
return;
}
codecctl_int(avctx, VP9E_SET_COLOR_RANGE, vpx_cr);
}
#endif
#endif
static av_cold int vpx_init(AVCodecContext *avctx,
const struct vpx_codec_iface *iface)
{
VPxContext *ctx = avctx->priv_data;
struct vpx_codec_enc_cfg enccfg = { 0 };
struct vpx_codec_enc_cfg enccfg_alpha;
vpx_codec_flags_t flags = (avctx->flags & AV_CODEC_FLAG_PSNR) ? VPX_CODEC_USE_PSNR : 0;
AVCPBProperties *cpb_props;
int res;
vpx_img_fmt_t img_fmt = VPX_IMG_FMT_I420;
#if CONFIG_LIBVPX_VP9_ENCODER
vpx_codec_caps_t codec_caps = vpx_codec_get_caps(iface);
#endif
av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
if (avctx->pix_fmt == AV_PIX_FMT_YUVA420P)
ctx->is_alpha = 1;
if ((res = vpx_codec_enc_config_default(iface, &enccfg, 0)) != VPX_CODEC_OK) {
av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
vpx_codec_err_to_string(res));
return AVERROR(EINVAL);
}
#if CONFIG_LIBVPX_VP9_ENCODER
if (avctx->codec_id == AV_CODEC_ID_VP9) {
if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
return AVERROR(EINVAL);
}
#endif
if(!avctx->bit_rate)
if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
return AVERROR(EINVAL);
}
dump_enc_cfg(avctx, &enccfg);
enccfg.g_w = avctx->width;
enccfg.g_h = avctx->height;
enccfg.g_timebase.num = avctx->time_base.num;
enccfg.g_timebase.den = avctx->time_base.den;
enccfg.g_threads = avctx->thread_count;
enccfg.g_lag_in_frames= ctx->lag_in_frames;
if (avctx->flags & AV_CODEC_FLAG_PASS1)
enccfg.g_pass = VPX_RC_FIRST_PASS;
else if (avctx->flags & AV_CODEC_FLAG_PASS2)
enccfg.g_pass = VPX_RC_LAST_PASS;
else
enccfg.g_pass = VPX_RC_ONE_PASS;
if (avctx->rc_min_rate == avctx->rc_max_rate &&
avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
enccfg.rc_end_usage = VPX_CBR;
} else if (ctx->crf >= 0) {
enccfg.rc_end_usage = VPX_CQ;
#if CONFIG_LIBVPX_VP9_ENCODER
if (!avctx->bit_rate && avctx->codec_id == AV_CODEC_ID_VP9)
enccfg.rc_end_usage = VPX_Q;
#endif
}
if (avctx->bit_rate) {
enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
AV_ROUND_NEAR_INF);
#if CONFIG_LIBVPX_VP9_ENCODER
} else if (enccfg.rc_end_usage == VPX_Q) {
#endif
} else {
if (enccfg.rc_end_usage == VPX_CQ) {
enccfg.rc_target_bitrate = 1000000;
} else {
avctx->bit_rate = enccfg.rc_target_bitrate * 1000;
av_log(avctx, AV_LOG_WARNING,
"Neither bitrate nor constrained quality specified, using default bitrate of %dkbit/sec\n",
enccfg.rc_target_bitrate);
}
}
if (avctx->codec_id == AV_CODEC_ID_VP9 && ctx->lossless == 1) {
enccfg.rc_min_quantizer =
enccfg.rc_max_quantizer = 0;
} else {
if (avctx->qmin >= 0)
enccfg.rc_min_quantizer = avctx->qmin;
if (avctx->qmax >= 0)
enccfg.rc_max_quantizer = avctx->qmax;
}
if (enccfg.rc_end_usage == VPX_CQ
#if CONFIG_LIBVPX_VP9_ENCODER
|| enccfg.rc_end_usage == VPX_Q
#endif
) {
if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
av_log(avctx, AV_LOG_ERROR,
"CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
return AVERROR(EINVAL);
}
}
#if FF_API_PRIVATE_OPT
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->frame_skip_threshold)
ctx->drop_threshold = avctx->frame_skip_threshold;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
enccfg.rc_dropframe_thresh = ctx->drop_threshold;
//0-100 (0 => CBR, 100 => VBR)
enccfg.rc_2pass_vbr_bias_pct = lrint(avctx->qcompress * 100);
if (avctx->bit_rate)
enccfg.rc_2pass_vbr_minsection_pct =
avctx->rc_min_rate * 100LL / avctx->bit_rate;
if (avctx->rc_max_rate)
enccfg.rc_2pass_vbr_maxsection_pct =
avctx->rc_max_rate * 100LL / avctx->bit_rate;
if (avctx->rc_buffer_size)
enccfg.rc_buf_sz =
avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
if (avctx->rc_initial_buffer_occupancy)
enccfg.rc_buf_initial_sz =
avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
#if FF_API_MPV_OPT
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->rc_buffer_aggressivity != 1.0) {
av_log(avctx, AV_LOG_WARNING, "The rc_buffer_aggressivity option is "
"deprecated, use the undershoot-pct private option instead.\n");
enccfg.rc_undershoot_pct = lrint(avctx->rc_buffer_aggressivity * 100);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (ctx->rc_undershoot_pct >= 0)
enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
if (ctx->rc_overshoot_pct >= 0)
enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;
//_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
enccfg.kf_min_dist = avctx->keyint_min;
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;
else if (enccfg.g_pass == VPX_RC_LAST_PASS) {
int decode_size, ret;
if (!avctx->stats_in) {
av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
return AVERROR_INVALIDDATA;
}
ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
ret = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR,
"Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
ctx->twopass_stats.sz);
ctx->twopass_stats.sz = 0;
return ret;
}
decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
ctx->twopass_stats.sz);
if (decode_size < 0) {
av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
return AVERROR_INVALIDDATA;
}
ctx->twopass_stats.sz = decode_size;
enccfg.rc_twopass_stats_in = ctx->twopass_stats;
}
/* 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 || ctx->flags & VP8F_ERROR_RESILIENT;
dump_enc_cfg(avctx, &enccfg);
/* Construct Encoder Context */
res = vpx_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
if (res != VPX_CODEC_OK) {
log_encoder_error(avctx, "Failed to initialize encoder");
return AVERROR(EINVAL);
}
if (ctx->is_alpha) {
enccfg_alpha = enccfg;
res = vpx_codec_enc_init(&ctx->encoder_alpha, iface, &enccfg_alpha, flags);
if (res != VPX_CODEC_OK) {
log_encoder_error(avctx, "Failed to initialize alpha encoder");
return AVERROR(EINVAL);
}
}
//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, ctx->cpu_used);
if (ctx->flags & VP8F_AUTO_ALT_REF)
ctx->auto_alt_ref = 1;
if (ctx->auto_alt_ref >= 0)
codecctl_int(avctx, VP8E_SET_ENABLEAUTOALTREF,
avctx->codec_id == AV_CODEC_ID_VP8 ? !!ctx->auto_alt_ref : 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);
if (ctx->tune >= 0)
codecctl_int(avctx, VP8E_SET_TUNING, ctx->tune);
if (ctx->auto_alt_ref && ctx->is_alpha && avctx->codec_id == AV_CODEC_ID_VP8) {
av_log(avctx, AV_LOG_ERROR, "Transparency encoding with auto_alt_ref does not work\n");
return AVERROR(EINVAL);
}
if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
#if FF_API_PRIVATE_OPT
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->noise_reduction)
ctx->noise_sensitivity = avctx->noise_reduction;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS, av_log2(avctx->slices));
}
#if FF_API_MPV_OPT
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->mb_threshold) {
av_log(avctx, AV_LOG_WARNING, "The mb_threshold option is deprecated, "
"use the static-thresh private option instead.\n");
ctx->static_thresh = avctx->mb_threshold;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
codecctl_int(avctx, VP8E_SET_STATIC_THRESHOLD, ctx->static_thresh);
if (ctx->crf >= 0)
codecctl_int(avctx, VP8E_SET_CQ_LEVEL, ctx->crf);
if (ctx->max_intra_rate >= 0)
codecctl_int(avctx, VP8E_SET_MAX_INTRA_BITRATE_PCT, ctx->max_intra_rate);
#if CONFIG_LIBVPX_VP9_ENCODER
if (avctx->codec_id == AV_CODEC_ID_VP9) {
if (ctx->lossless >= 0)
codecctl_int(avctx, VP9E_SET_LOSSLESS, ctx->lossless);
if (ctx->tile_columns >= 0)
codecctl_int(avctx, VP9E_SET_TILE_COLUMNS, ctx->tile_columns);
if (ctx->tile_rows >= 0)
codecctl_int(avctx, VP9E_SET_TILE_ROWS, ctx->tile_rows);
if (ctx->frame_parallel >= 0)
codecctl_int(avctx, VP9E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
if (ctx->aq_mode >= 0)
codecctl_int(avctx, VP9E_SET_AQ_MODE, ctx->aq_mode);
#if VPX_ENCODER_ABI_VERSION > 8
set_colorspace(avctx);
#endif
#if VPX_ENCODER_ABI_VERSION >= 11
set_color_range(avctx);
#endif
#if VPX_ENCODER_ABI_VERSION >= 12
codecctl_int(avctx, VP9E_SET_TARGET_LEVEL, ctx->level < 0 ? 255 : lrint(ctx->level * 10));
#endif
#ifdef VPX_CTRL_VP9E_SET_ROW_MT
if (ctx->row_mt >= 0)
codecctl_int(avctx, VP9E_SET_ROW_MT, ctx->row_mt);
#endif
}
#endif
av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
//provide dummy value to initialize wrapper, values will be updated each _encode()
vpx_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
(unsigned char*)1);
#if CONFIG_LIBVPX_VP9_ENCODER && defined(VPX_IMG_FMT_HIGHBITDEPTH)
if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
ctx->rawimg.bit_depth = enccfg.g_bit_depth;
#endif
if (ctx->is_alpha)
vpx_img_wrap(&ctx->rawimg_alpha, VPX_IMG_FMT_I420, avctx->width, avctx->height, 1,
(unsigned char*)1);
cpb_props = ff_add_cpb_side_data(avctx);
if (!cpb_props)
return AVERROR(ENOMEM);
if (enccfg.rc_end_usage == VPX_CBR ||
enccfg.g_pass != VPX_RC_ONE_PASS) {
cpb_props->max_bitrate = avctx->rc_max_rate;
cpb_props->min_bitrate = avctx->rc_min_rate;
cpb_props->avg_bitrate = avctx->bit_rate;
}
cpb_props->buffer_size = avctx->rc_buffer_size;
return 0;
}
static inline void cx_pktcpy(struct FrameListData *dst,
const struct vpx_codec_cx_pkt *src,
const struct vpx_codec_cx_pkt *src_alpha,
VPxContext *ctx)
{
dst->pts = src->data.frame.pts;
dst->duration = src->data.frame.duration;
dst->flags = src->data.frame.flags;
dst->sz = src->data.frame.sz;
dst->buf = src->data.frame.buf;
dst->have_sse = 0;
/* For alt-ref frame, don't store PSNR or increment frame_number */
if (!(dst->flags & VPX_FRAME_IS_INVISIBLE)) {
dst->frame_number = ++ctx->frame_number;
dst->have_sse = ctx->have_sse;
if (ctx->have_sse) {
/* associate last-seen SSE to the frame. */
/* Transfers ownership from ctx to dst. */
/* WARNING! This makes the assumption that PSNR_PKT comes
just before the frame it refers to! */
memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
ctx->have_sse = 0;
}
} else {
dst->frame_number = -1; /* sanity marker */
}
if (src_alpha) {
dst->buf_alpha = src_alpha->data.frame.buf;
dst->sz_alpha = src_alpha->data.frame.sz;
} else {
dst->buf_alpha = NULL;
dst->sz_alpha = 0;
}
}
/**
* Store coded frame information in format suitable for return from encode2().
*
* Write information from @a cx_frame to @a pkt
* @return packet data size on success
* @return a negative AVERROR on error
*/
static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
AVPacket *pkt)
{
int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
uint8_t *side_data;
if (ret >= 0) {
int pict_type;
memcpy(pkt->data, cx_frame->buf, pkt->size);
pkt->pts = pkt->dts = cx_frame->pts;
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->pts = cx_frame->pts;
avctx->coded_frame->key_frame = !!(cx_frame->flags & VPX_FRAME_IS_KEY);
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!!(cx_frame->flags & VPX_FRAME_IS_KEY)) {
pict_type = AV_PICTURE_TYPE_I;
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->pict_type = pict_type;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->flags |= AV_PKT_FLAG_KEY;
} else {
pict_type = AV_PICTURE_TYPE_P;
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->pict_type = pict_type;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
cx_frame->have_sse ? 3 : 0, pict_type);
if (cx_frame->have_sse) {
int i;
/* Beware of the Y/U/V/all order! */
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
avctx->coded_frame->error[0] = cx_frame->sse[1];
avctx->coded_frame->error[1] = cx_frame->sse[2];
avctx->coded_frame->error[2] = cx_frame->sse[3];
avctx->coded_frame->error[3] = 0; // alpha
FF_ENABLE_DEPRECATION_WARNINGS
#endif
for (i = 0; i < 3; ++i) {
avctx->error[i] += cx_frame->sse[i + 1];
}
cx_frame->have_sse = 0;
}
if (cx_frame->sz_alpha > 0) {
side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
cx_frame->sz_alpha + 8);
if(!side_data) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
AV_WB64(side_data, 1);
memcpy(side_data + 8, cx_frame->buf_alpha, cx_frame->sz_alpha);
}
} else {
return ret;
}
return pkt->size;
}
/**
* Queue multiple output frames from the encoder, returning the front-most.
* In cases where vpx_codec_get_cx_data() returns more than 1 frame append
* the frame queue. Return the head frame if available.
* @return Stored frame size
* @return AVERROR(EINVAL) on output size error
* @return AVERROR(ENOMEM) on coded frame queue data allocation error
*/
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
{
VPxContext *ctx = avctx->priv_data;
const struct vpx_codec_cx_pkt *pkt;
const struct vpx_codec_cx_pkt *pkt_alpha = NULL;
const void *iter = NULL;
const void *iter_alpha = NULL;
int size = 0;
if (ctx->coded_frame_list) {
struct FrameListData *cx_frame = ctx->coded_frame_list;
/* return the leading frame if we've already begun queueing */
size = storeframe(avctx, cx_frame, pkt_out);
if (size < 0)
return size;
ctx->coded_frame_list = cx_frame->next;
free_coded_frame(cx_frame);
}
/* consume all available output from the encoder before returning. buffers
are only good through the next vpx_codec call */
while ((pkt = vpx_codec_get_cx_data(&ctx->encoder, &iter)) &&
(!ctx->is_alpha ||
(ctx->is_alpha && (pkt_alpha = vpx_codec_get_cx_data(&ctx->encoder_alpha, &iter_alpha))))) {
switch (pkt->kind) {
case VPX_CODEC_CX_FRAME_PKT:
if (!size) {
struct FrameListData cx_frame;
/* avoid storing the frame when the list is empty and we haven't yet
provided a frame for output */
av_assert0(!ctx->coded_frame_list);
cx_pktcpy(&cx_frame, pkt, pkt_alpha, ctx);
size = storeframe(avctx, &cx_frame, pkt_out);
if (size < 0)
return size;
} else {
struct FrameListData *cx_frame =
av_malloc(sizeof(struct FrameListData));
if (!cx_frame) {
av_log(avctx, AV_LOG_ERROR,
"Frame queue element alloc failed\n");
return AVERROR(ENOMEM);
}
cx_pktcpy(cx_frame, pkt, pkt_alpha, ctx);
cx_frame->buf = av_malloc(cx_frame->sz);
if (!cx_frame->buf) {
av_log(avctx, AV_LOG_ERROR,
"Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
cx_frame->sz);
av_freep(&cx_frame);
return AVERROR(ENOMEM);
}
memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
if (ctx->is_alpha) {
cx_frame->buf_alpha = av_malloc(cx_frame->sz_alpha);
if (!cx_frame->buf_alpha) {
av_log(avctx, AV_LOG_ERROR,
"Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
cx_frame->sz_alpha);
av_free(cx_frame);
return AVERROR(ENOMEM);
}
memcpy(cx_frame->buf_alpha, pkt_alpha->data.frame.buf, pkt_alpha->data.frame.sz);
}
coded_frame_add(&ctx->coded_frame_list, cx_frame);
}
break;
case VPX_CODEC_STATS_PKT: {
struct vpx_fixed_buf *stats = &ctx->twopass_stats;
int err;
if ((err = av_reallocp(&stats->buf,
stats->sz +
pkt->data.twopass_stats.sz)) < 0) {
stats->sz = 0;
av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
return err;
}
memcpy((uint8_t*)stats->buf + stats->sz,
pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
stats->sz += pkt->data.twopass_stats.sz;
break;
}
case VPX_CODEC_PSNR_PKT:
av_assert0(!ctx->have_sse);
ctx->sse[0] = pkt->data.psnr.sse[0];
ctx->sse[1] = pkt->data.psnr.sse[1];
ctx->sse[2] = pkt->data.psnr.sse[2];
ctx->sse[3] = pkt->data.psnr.sse[3];
ctx->have_sse = 1;
break;
case VPX_CODEC_CUSTOM_PKT:
//ignore unsupported/unrecognized packet types
break;
}
}
return size;
}
static int vpx_encode(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
VPxContext *ctx = avctx->priv_data;
struct vpx_image *rawimg = NULL;
struct vpx_image *rawimg_alpha = NULL;
int64_t timestamp = 0;
int res, coded_size;
vpx_enc_frame_flags_t flags = 0;
if (frame) {
rawimg = &ctx->rawimg;
rawimg->planes[VPX_PLANE_Y] = frame->data[0];
rawimg->planes[VPX_PLANE_U] = frame->data[1];
rawimg->planes[VPX_PLANE_V] = frame->data[2];
rawimg->stride[VPX_PLANE_Y] = frame->linesize[0];
rawimg->stride[VPX_PLANE_U] = frame->linesize[1];