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FFmpeg/libavcodec/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/avstring.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;
int sharpness;
/**
* 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;
AVDictionary *vp8_ts_parameters;
// 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;
int tune_content;
int corpus_complexity;
int tpl_model;
/**
* If the driver does not support ROI then warn the first time we
* encounter a frame with ROI side data.
*/
int roi_warned;
} 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",
[VP8E_SET_SHARPNESS] = "VP8E_SET_SHARPNESS",
#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",
[VP9E_SET_COLOR_SPACE] = "VP9E_SET_COLOR_SPACE",
#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
#ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
[VP9E_SET_TUNE_CONTENT] = "VP9E_SET_TUNE_CONTENT",
#endif
#ifdef VPX_CTRL_VP9E_SET_TPL
[VP9E_SET_TPL] = "VP9E_SET_TPL",
#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;
int i;
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
" %*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
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, "temporal layering settings\n"
" %*s%u\n", width, "ts_number_layers:", cfg->ts_number_layers);
av_log(avctx, level,
"\n %*s", width, "ts_target_bitrate:");
for (i = 0; i < VPX_TS_MAX_LAYERS; i++)
av_log(avctx, level, "%u ", cfg->ts_target_bitrate[i]);
av_log(avctx, level, "\n");
av_log(avctx, level,
"\n %*s", width, "ts_rate_decimator:");
for (i = 0; i < VPX_TS_MAX_LAYERS; i++)
av_log(avctx, level, "%u ", cfg->ts_rate_decimator[i]);
av_log(avctx, level, "\n");
av_log(avctx, level,
"\n %*s%u\n", width, "ts_periodicity:", cfg->ts_periodicity);
av_log(avctx, level,
"\n %*s", width, "ts_layer_id:");
for (i = 0; i < VPX_TS_MAX_PERIODICITY; i++)
av_log(avctx, level, "%u ", cfg->ts_layer_id[i]);
av_log(avctx, level, "\n");
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);
#if VPX_ENCODER_ABI_VERSION >= 14
av_log(avctx, level, " %*s%u\n",
width, "rc_2pass_vbr_corpus_complexity:", cfg->rc_2pass_vbr_corpus_complexity);
#endif
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->rawimg_alpha.planes[VPX_PLANE_U]);
av_freep(&ctx->rawimg_alpha.planes[VPX_PLANE_V]);
}
av_freep(&ctx->twopass_stats.buf);
av_freep(&avctx->stats_out);
free_frame_list(ctx->coded_frame_list);
return 0;
}
static void vp8_ts_parse_int_array(int *dest, char *value, size_t value_len, int max_entries)
{
int dest_idx = 0;
char *saveptr = NULL;
char *token = av_strtok(value, ",", &saveptr);
while (token && dest_idx < max_entries) {
dest[dest_idx++] = strtoul(token, NULL, 10);
token = av_strtok(NULL, ",", &saveptr);
}
}
static int vp8_ts_param_parse(struct vpx_codec_enc_cfg *enccfg, char *key, char *value)
{
size_t value_len = strlen(value);
if (!value_len)
return -1;
if (!strcmp(key, "ts_number_layers"))
enccfg->ts_number_layers = strtoul(value, &value, 10);
else if (!strcmp(key, "ts_target_bitrate"))
vp8_ts_parse_int_array(enccfg->ts_target_bitrate, value, value_len, VPX_TS_MAX_LAYERS);
else if (!strcmp(key, "ts_rate_decimator"))
vp8_ts_parse_int_array(enccfg->ts_rate_decimator, value, value_len, VPX_TS_MAX_LAYERS);
else if (!strcmp(key, "ts_periodicity"))
enccfg->ts_periodicity = strtoul(value, &value, 10);
else if (!strcmp(key, "ts_layer_id"))
vp8_ts_parse_int_array(enccfg->ts_layer_id, value, value_len, VPX_TS_MAX_PERIODICITY);
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;
enccfg->g_bit_depth = enccfg->g_input_bit_depth = 8;
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;
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;
case AV_PIX_FMT_YUV444P:
enccfg->g_profile = 1;
*img_fmt = VPX_IMG_FMT_I444;
return 0;
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;
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;
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;
default:
break;
}
av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
return AVERROR_INVALIDDATA;
}
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);
}
#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
/**
* Set the target bitrate to VPX library default. Also set CRF to 32 if needed.
*/
static void set_vp8_defaults(AVCodecContext *avctx,
struct vpx_codec_enc_cfg *enccfg)
{
VPxContext *ctx = avctx->priv_data;
av_assert0(!avctx->bit_rate);
avctx->bit_rate = enccfg->rc_target_bitrate * 1000;
if (enccfg->rc_end_usage == VPX_CQ) {
av_log(avctx, AV_LOG_WARNING,
"Bitrate not specified for constrained quality mode, using default of %dkbit/sec\n",
enccfg->rc_target_bitrate);
} else {
enccfg->rc_end_usage = VPX_CQ;
ctx->crf = 32;
av_log(avctx, AV_LOG_WARNING,
"Neither bitrate nor constrained quality specified, using default CRF of %d and bitrate of %dkbit/sec\n",
ctx->crf, enccfg->rc_target_bitrate);
}
}
#if CONFIG_LIBVPX_VP9_ENCODER
/**
* Keep the target bitrate at 0 to engage constant quality mode. If CRF is not
* set, use 32.
*/
static void set_vp9_defaults(AVCodecContext *avctx,
struct vpx_codec_enc_cfg *enccfg)
{
VPxContext *ctx = avctx->priv_data;
av_assert0(!avctx->bit_rate);
if (enccfg->rc_end_usage != VPX_Q && ctx->lossless < 0) {
enccfg->rc_end_usage = VPX_Q;
ctx->crf = 32;
av_log(avctx, AV_LOG_WARNING,
"Neither bitrate nor constrained quality specified, using default CRF of %d\n",
ctx->crf);
}
}
#endif
/**
* Called when the bitrate is not set. It sets appropriate default values for
* bitrate and CRF.
*/
static void set_vpx_defaults(AVCodecContext *avctx,
struct vpx_codec_enc_cfg *enccfg)
{
av_assert0(!avctx->bit_rate);
#if CONFIG_LIBVPX_VP9_ENCODER
if (avctx->codec_id == AV_CODEC_ID_VP9) {
set_vp9_defaults(avctx, enccfg);
return;
}
#endif
set_vp8_defaults(avctx, enccfg);
}
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 =
FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 16);
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);
} else {
// Set bitrate to default value. Also sets CRF to default if needed.
set_vpx_defaults(avctx, &enccfg);
}
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 CONFIG_LIBVPX_VP9_ENCODER
if (avctx->codec_id == AV_CODEC_ID_VP9) {
#if VPX_ENCODER_ABI_VERSION >= 14
if (ctx->corpus_complexity >= 0)
enccfg.rc_2pass_vbr_corpus_complexity = ctx->corpus_complexity;
#endif
}
#endif
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 (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;
if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8) {
AVDictionaryEntry* en = NULL;
while ((en = av_dict_get(ctx->vp8_ts_parameters, "", en, AV_DICT_IGNORE_SUFFIX))) {
if (vp8_ts_param_parse(&enccfg, en->key, en->value) < 0)
av_log(avctx, AV_LOG_WARNING,
"Error parsing option '%s = %s'.\n",
en->key, en->value);
}
}
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 (ctx->sharpness >= 0)
codecctl_int(avctx, VP8E_SET_SHARPNESS, ctx->sharpness);
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));
}
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);
set_colorspace(avctx);
#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
#ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
if (ctx->tune_content >= 0)
codecctl_int(avctx, VP9E_SET_TUNE_CONTENT, ctx->tune_content);
#endif
#ifdef VPX_CTRL_VP9E_SET_TPL
if (ctx->tpl_model >= 0)
codecctl_int(avctx, VP9E_SET_TPL, ctx->tpl_model);
#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
if (avctx->codec_id == AV_CODEC_ID_VP9 && (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH))
ctx->rawimg.bit_depth = enccfg.g_bit_depth;
#endif
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);
av_free(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 ||
(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(*cx_frame));
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 set_roi_map(AVCodecContext *avctx, const AVFrameSideData *sd, int frame_width, int frame_height,
vpx_roi_map_t *roi_map, int block_size, int segment_cnt)
{
/**
* range of vpx_roi_map_t.delta_q[i] is [-63, 63]
*/
#define MAX_DELTA_Q 63
const AVRegionOfInterest *roi = NULL;
int nb_rois;
uint32_t self_size;
int segment_id;
/* record the mapping from delta_q to "segment id + 1" in segment_mapping[].
* the range of delta_q is [-MAX_DELTA_Q, MAX_DELTA_Q],
* and its corresponding array index is [0, 2 * MAX_DELTA_Q],
* and so the length of the mapping array is 2 * MAX_DELTA_Q + 1.
* "segment id + 1", so we can say there's no mapping if the value of array element is zero.
*/
int segment_mapping[2 * MAX_DELTA_Q + 1] = { 0 };
memset(roi_map, 0, sizeof(*roi_map));
/* segment id 0 in roi_map is reserved for the areas not covered by AVRegionOfInterest.
* segment id 0 in roi_map is also for the areas with AVRegionOfInterest.qoffset near 0.
* (delta_q of segment id 0 is 0).
*/
segment_mapping[MAX_DELTA_Q] = 1;
segment_id = 1;
roi = (const AVRegionOfInterest*)sd->data;
self_size = roi->self_size;
if (!self_size || sd->size % self_size) {
av_log(avctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
return AVERROR(EINVAL);
}
nb_rois = sd->size / self_size;
/* This list must be iterated from zero because regions are
* defined in order of decreasing importance. So discard less
* important areas if they exceed the segment count.
*/
for (int i = 0; i < nb_rois; i++) {
int delta_q;
int mapping_index;
roi = (const AVRegionOfInterest*)(sd->data + self_size * i);
if (!roi->qoffset.den) {
av_log(avctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
return AVERROR(EINVAL);
}
delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
mapping_index = delta_q + MAX_DELTA_Q;
if (!segment_mapping[mapping_index]) {
if (segment_id == segment_cnt) {
av_log(avctx, AV_LOG_WARNING,
"ROI only supports %d segments (and segment 0 is reserved for non-ROIs), skipping the left ones.\n",
segment_cnt);
break;
}
segment_mapping[mapping_index] = segment_id + 1;
roi_map->delta_q[segment_id] = delta_q;
segment_id++;
}
}
roi_map->rows = (frame_height + block_size - 1) / block_size;
roi_map->cols = (frame_width + block_size - 1) / block_size;
roi_map->roi_map = av_mallocz_array(roi_map->rows * roi_map->cols, sizeof(*roi_map->roi_map));
if (!roi_map->roi_map) {
av_log(avctx, AV_LOG_ERROR, "roi_map alloc failed.\n");
return AVERROR(ENOMEM);
}
/* This list must be iterated in reverse, so for the case that
* two regions are overlapping, the more important area takes effect.
*/
for (int i = nb_rois - 1; i >= 0; i--) {
int delta_q;
int mapping_value;
int starty, endy, startx, endx;
roi = (const AVRegionOfInterest*)(sd->data + self_size * i);
starty = av_clip(roi->top / block_size, 0, roi_map->rows);
endy = av_clip((roi->bottom + block_size - 1) / block_size, 0, roi_map->rows);
startx = av_clip(roi->left / block_size, 0, roi_map->cols);
endx = av_clip((roi->right + block_size - 1) / block_size, 0, roi_map->cols);
delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
mapping_value = segment_mapping[delta_q + MAX_DELTA_Q];
if (mapping_value) {
for (int y = starty; y < endy; y++)
for (int x = startx; x < endx; x++)
roi_map->roi_map[x + y * roi_map->cols] = mapping_value - 1;
}
}
return 0;
}
static int vp9_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
{
VPxContext *ctx = avctx->priv_data;
#ifdef VPX_CTRL_VP9E_SET_ROI_MAP
int version = vpx_codec_version();
int major = VPX_VERSION_MAJOR(version);
int minor = VPX_VERSION_MINOR(version);
int patch = VPX_VERSION_PATCH(version);
if (major > 1 || (major == 1 && minor > 8) || (major == 1 && minor == 8 && patch >= 1)) {
vpx_roi_map_t roi_map;
const int segment_cnt = 8;
const int block_size = 8;
int ret;
if (ctx->aq_mode > 0 || ctx->cpu_used < 5 || ctx->deadline != VPX_DL_REALTIME) {
if (!ctx->roi_warned) {
ctx->roi_warned = 1;
av_log(avctx, AV_LOG_WARNING, "ROI is only enabled when aq_mode is 0, cpu_used >= 5 "
"and deadline is REALTIME, so skipping ROI.\n");
return AVERROR(EINVAL);
}
}
ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);
if (ret) {
log_encoder_error(avctx, "Failed to set_roi_map.\n");
return ret;
}
memset(roi_map.ref_frame, -1, sizeof(roi_map.ref_frame));
if (vpx_codec_control(&ctx->encoder, VP9E_SET_ROI_MAP, &roi_map)) {
log_encoder_error(avctx, "Failed to set VP9E_SET_ROI_MAP codec control.\n");
ret = AVERROR_INVALIDDATA;
}
av_freep(&roi_map.roi_map);
return ret;
}
#endif
if (!ctx->roi_warned) {
ctx->roi_warned = 1;
av_log(avctx, AV_LOG_WARNING, "ROI is not supported, please upgrade libvpx to version >= 1.8.1. "
"You may need to rebuild ffmpeg.\n");
}
return 0;
}
static int vp8_encode_set_roi(AVCodecContext *avctx, int frame_width, int frame_height, const AVFrameSideData *sd)
{
vpx_roi_map_t roi_map;
const int segment_cnt = 4;
const int block_size = 16;
VPxContext *ctx = avctx->priv_data;
int ret = set_roi_map(avctx, sd, frame_width, frame_height, &roi_map, block_size, segment_cnt);
if (ret) {
log_encoder_error(avctx, "Failed to set_roi_map.\n");
return ret;
}
if (vpx_codec_control(&ctx->encoder, VP8E_SET_ROI_MAP, &roi_map)) {
log_encoder_error(avctx, "Failed to set VP8E_SET_ROI_MAP codec control.\n");
ret = AVERROR_INVALIDDATA;
}
av_freep(&roi_map.roi_map);
return ret;
}
static int realloc_alpha_uv(AVCodecContext *avctx, int width, int height)
{
VPxContext *ctx = avctx->priv_data;
struct vpx_image *rawimg_alpha = &ctx->rawimg_alpha;
unsigned char **planes = rawimg_alpha->planes;
int *stride = rawimg_alpha->stride;
if (!planes[VPX_PLANE_U] ||
!planes[VPX_PLANE_V] ||
width != (int)rawimg_alpha->d_w ||
height != (int)rawimg_alpha->d_h) {
av_freep(&planes[VPX_PLANE_U]);
av_freep(&planes[VPX_PLANE_V]);
vpx_img_wrap(rawimg_alpha, VPX_IMG_FMT_I420, width, height, 1,
(unsigned char*)1);
planes[VPX_PLANE_U] = av_malloc_array(stride[VPX_PLANE_U], height);
planes[VPX_PLANE_V] = av_malloc_array(stride[VPX_PLANE_V], height);
if (!planes[VPX_PLANE_U] || !planes[VPX_PLANE_V])
return AVERROR(ENOMEM);
memset(planes[VPX_PLANE_U], 0x80, stride[VPX_PLANE_U] * height);
memset(planes[VPX_PLANE_V], 0x80, stride[VPX_PLANE_V] * height);
}
return 0;
}
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) {
const AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
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];
rawimg->stride[VPX_PLANE_V] = frame->linesize[2];
if (ctx->is_alpha) {
rawimg_alpha = &ctx->rawimg_alpha;
res = realloc_alpha_uv(avctx, frame->width, frame->height);
if (res < 0)
return res;
rawimg_alpha->planes[VPX_PLANE_Y] = frame->data[3];
rawimg_alpha->stride[VPX_PLANE_Y] = frame->linesize[3];
}
timestamp = frame->pts;
#if VPX_IMAGE_ABI_VERSION >= 4
switch (frame->color_range) {
case AVCOL_RANGE_MPEG:
rawimg->range = VPX_CR_STUDIO_RANGE;
break;
case AVCOL_RANGE_JPEG:
rawimg->range = VPX_CR_FULL_RANGE;
break;
}
#endif
if (frame->pict_type == AV_PICTURE_TYPE_I)
flags |= VPX_EFLAG_FORCE_KF;
if (CONFIG_LIBVPX_VP8_ENCODER && avctx->codec_id == AV_CODEC_ID_VP8 && frame->metadata) {
AVDictionaryEntry* en = av_dict_get(frame->metadata, "vp8-flags", NULL, 0);
if (en) {
flags |= strtoul(en->value, NULL, 10);
}
}
if (sd) {
if (avctx->codec_id == AV_CODEC_ID_VP8) {
vp8_encode_set_roi(avctx, frame->width, frame->height, sd);
} else {
vp9_encode_set_roi(avctx, frame->width, frame->height, sd);
}
}
}
res = vpx_codec_encode(&ctx->encoder, rawimg, timestamp,
avctx->ticks_per_frame, flags, ctx->deadline);
if (res != VPX_CODEC_OK) {
log_encoder_error(avctx, "Error encoding frame");
return AVERROR_INVALIDDATA;
}
if (ctx->is_alpha) {
res = vpx_codec_encode(&ctx->encoder_alpha, rawimg_alpha, timestamp,
avctx->ticks_per_frame, flags, ctx->deadline);
if (res != VPX_CODEC_OK) {
log_encoder_error(avctx, "Error encoding alpha frame");
return AVERROR_INVALIDDATA;
}
}
coded_size = queue_frames(avctx, pkt);
if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
unsigned int b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);
avctx->stats_out = av_malloc(b64_size);
if (!avctx->stats_out) {
av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%d bytes) failed\n",
b64_size);
return AVERROR(ENOMEM);
}
av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
ctx->twopass_stats.sz);
}
*got_packet = !!coded_size;
return 0;
}
#define OFFSET(x) offsetof(VPxContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define COMMON_OPTIONS \
{ "lag-in-frames", "Number of frames to look ahead for " \
"alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
{ "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
{ "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
{ "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"}, \
{ "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" }, \
{ "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" }, \
{ "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" }, \
{ "tune", "Tune the encoding to a specific scenario", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "tune"}, \
{ "psnr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_PSNR}, 0, 0, VE, "tune"}, \
{ "ssim", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VP8_TUNE_SSIM}, 0, 0, VE, "tune"}, \
{ "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
{ "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"}, \
{ "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"}, \
{ "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"}, \
{ "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"}, \
{ "max-intra-rate", "Maximum I-frame bitrate (pct) 0=unlimited", OFFSET(max_intra_rate), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE}, \
{ "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = 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 prediction" \
" is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
{ "crf", "Select the quality for constant quality mode", offsetof(VPxContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
{ "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
{ "drop-threshold", "Frame drop threshold", offsetof(VPxContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE }, \
{ "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE}, \
{ "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
{ "overshoot-pct", "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1000, VE }, \
#define LEGACY_OPTIONS \
{"speed", "", offsetof(VPxContext, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
{"quality", "", offsetof(VPxContext, deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"}, \
{"vp8flags", "", offsetof(VPxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, 0, UINT_MAX, VE, "flags"}, \
{"error_resilient", "enable error resilience", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_ERROR_RESILIENT}, INT_MIN, INT_MAX, VE, "flags"}, \
{"altref", "enable use of alternate reference frames (VP8/2-pass only)", 0, AV_OPT_TYPE_CONST, {.i64 = VP8F_AUTO_ALT_REF}, INT_MIN, INT_MAX, VE, "flags"}, \
{"arnr_max_frames", "altref noise reduction max frame count", offsetof(VPxContext, arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 15, VE}, \
{"arnr_strength", "altref noise reduction filter strength", offsetof(VPxContext, arnr_strength), AV_OPT_TYPE_INT, {.i64 = 3}, 0, 6, VE}, \
{"arnr_type", "altref noise reduction filter type", offsetof(VPxContext, arnr_type), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 3, VE}, \
{"rc_lookahead", "Number of frames to look ahead for alternate reference frame selection", offsetof(VPxContext, lag_in_frames), AV_OPT_TYPE_INT, {.i64 = 25}, 0, 25, VE}, \
{"sharpness", "Increase sharpness at the expense of lower PSNR", offsetof(VPxContext, sharpness), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, VE},
#if CONFIG_LIBVPX_VP8_ENCODER
static const AVOption vp8_options[] = {
COMMON_OPTIONS
{ "auto-alt-ref", "Enable use of alternate reference "
"frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
{ "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
{ "ts-parameters", "Temporal scaling configuration using a "
":-separated list of key=value parameters", OFFSET(vp8_ts_parameters), AV_OPT_TYPE_DICT, {.str=NULL}, 0, 0, VE},
LEGACY_OPTIONS
{ NULL }
};
#endif
#if CONFIG_LIBVPX_VP9_ENCODER
static const AVOption vp9_options[] = {
COMMON_OPTIONS
{ "auto-alt-ref", "Enable use of alternate reference "
"frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
{ "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -8, 8, VE},
{ "lossless", "Lossless mode", OFFSET(lossless), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
{ "tile-columns", "Number of tile columns to use, log2", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
{ "tile-rows", "Number of tile rows to use, log2", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE},
{ "frame-parallel", "Enable frame parallel decodability features", OFFSET(frame_parallel), AV_OPT_TYPE_BOOL,{.i64 = -1}, -1, 1, VE},
#if VPX_ENCODER_ABI_VERSION >= 12
{ "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 4, VE, "aq_mode"},
#else
{ "aq-mode", "adaptive quantization mode", OFFSET(aq_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 3, VE, "aq_mode"},
#endif
{ "none", "Aq not used", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode" },
{ "variance", "Variance based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode" },
{ "complexity", "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode" },
{ "cyclic", "Cyclic Refresh Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode" },
#if VPX_ENCODER_ABI_VERSION >= 12
{ "equator360", "360 video Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 4}, 0, 0, VE, "aq_mode" },
{"level", "Specify level", OFFSET(level), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 6.2, VE},
#endif
#ifdef VPX_CTRL_VP9E_SET_ROW_MT
{"row-mt", "Row based multi-threading", OFFSET(row_mt), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
#endif
#ifdef VPX_CTRL_VP9E_SET_TUNE_CONTENT
#if VPX_ENCODER_ABI_VERSION >= 14
{ "tune-content", "Tune content type", OFFSET(tune_content), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 2, VE, "tune_content" },
#else
{ "tune-content", "Tune content type", OFFSET(tune_content), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE, "tune_content" },
#endif
{ "default", "Regular video content", 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "tune_content" },
{ "screen", "Screen capture content", 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "tune_content" },
#if VPX_ENCODER_ABI_VERSION >= 14
{ "film", "Film content; improves grain retention", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "tune_content" },
#endif
#endif
#if VPX_ENCODER_ABI_VERSION >= 14
{ "corpus-complexity", "corpus vbr complexity midpoint", OFFSET(corpus_complexity), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 10000, VE },
#endif
#ifdef VPX_CTRL_VP9E_SET_TPL
{ "enable-tpl", "Enable temporal dependency model", OFFSET(tpl_model), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE },
#endif
LEGACY_OPTIONS
{ NULL }
};
#endif
#undef COMMON_OPTIONS
#undef LEGACY_OPTIONS
static const AVCodecDefault defaults[] = {
{ "b", "0" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "g", "-1" },
{ "keyint_min", "-1" },
{ NULL },
};
#if CONFIG_LIBVPX_VP8_ENCODER
static av_cold int vp8_init(AVCodecContext *avctx)
{
return vpx_init(avctx, vpx_codec_vp8_cx());
}
static const AVClass class_vp8 = {
.class_name = "libvpx-vp8 encoder",
.item_name = av_default_item_name,
.option = vp8_options,
.version = LIBAVUTIL_VERSION_INT,
};
AVCodec ff_libvpx_vp8_encoder = {
.name = "libvpx",
.long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP8,
.priv_data_size = sizeof(VPxContext),
.init = vp8_init,
.encode2 = vpx_encode,
.close = vpx_free,
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE },
.priv_class = &class_vp8,
.defaults = defaults,
.wrapper_name = "libvpx",
};
#endif /* CONFIG_LIBVPX_VP8_ENCODER */
#if CONFIG_LIBVPX_VP9_ENCODER
static av_cold int vp9_init(AVCodecContext *avctx)
{
return vpx_init(avctx, vpx_codec_vp9_cx());
}
static const AVClass class_vp9 = {
.class_name = "libvpx-vp9 encoder",
.item_name = av_default_item_name,
.option = vp9_options,
.version = LIBAVUTIL_VERSION_INT,
};
AVCodec ff_libvpx_vp9_encoder = {
.name = "libvpx-vp9",
.long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP9,
.priv_data_size = sizeof(VPxContext),
.init = vp9_init,
.encode2 = vpx_encode,
.close = vpx_free,
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS,
.profiles = NULL_IF_CONFIG_SMALL(ff_vp9_profiles),
.priv_class = &class_vp9,
.defaults = defaults,
.init_static_data = ff_vp9_init_static,
.wrapper_name = "libvpx",
};
#endif /* CONFIG_LIBVPX_VP9_ENCODER */