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encavcodec.c
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encavcodec.c
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/* encavcodec.c
Copyright (c) 2003-2024 HandBrake Team
Copyright 2022 NVIDIA Corporation
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#include "handbrake/handbrake.h"
#include "handbrake/hb_dict.h"
#include "handbrake/hbffmpeg.h"
#include "handbrake/hwaccel.h"
#include "handbrake/h264_common.h"
#include "handbrake/h265_common.h"
#include "handbrake/av1_common.h"
#include "handbrake/nal_units.h"
#include "handbrake/nvenc_common.h"
#include "handbrake/vce_common.h"
#include "handbrake/extradata.h"
/*
* The frame info struct remembers information about each frame across calls
* to avcodec_encode_video. Since frames are uniquely identified by their
* frame number, we use this as an index.
*
* The size of the array is chosen so that two frames can't use the same
* slot during the encoder's max frame delay and so that,
* up to some minimum frame rate, frames are guaranteed
* to map to * different slots.
*/
#define FRAME_INFO_SIZE 1024
#define FRAME_INFO_MASK (FRAME_INFO_SIZE - 1)
struct hb_work_private_s
{
hb_job_t * job;
AVCodecContext * context;
AVPacket * pkt;
FILE * file;
int frameno_in;
int frameno_out;
hb_buffer_list_t delay_list;
int64_t dts_delay;
struct {
int64_t start;
int64_t duration;
} frame_info[FRAME_INFO_SIZE];
hb_chapter_queue_t * chapter_queue;
};
int encavcodecInit( hb_work_object_t *, hb_job_t * );
int encavcodecWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
void encavcodecClose( hb_work_object_t * );
static int apply_encoder_preset(int vcodec, AVCodecContext *context,
AVDictionary **av_opts,
const char *preset);
static int apply_encoder_tune(int vcodec, AVDictionary ** av_opts,
const char * tune);
static int apply_encoder_options(hb_job_t *job, AVCodecContext *context,
AVDictionary **av_opts);
static int apply_encoder_level(AVCodecContext *context, AVDictionary **av_opts,
int vcodec, const char *encoder_level);
hb_work_object_t hb_encavcodec =
{
WORK_ENCAVCODEC,
"FFMPEG encoder (libavcodec)",
encavcodecInit,
encavcodecWork,
encavcodecClose
};
static const char * const vpx_preset_names[] =
{
"veryfast", "faster", "fast", "medium", "slow", "slower", "veryslow", NULL
};
static const char * const vp9_tune_names[] =
{
"screen", "film", NULL
};
static const char * const h26x_nvenc_preset_names[] =
{
"fastest", "faster", "fast", "medium", "slow", "slower", "slowest", NULL
};
static const char * const ffv1_preset_names[] =
{
"default", "preservation", NULL
};
static const char * const h264_nvenc_profile_names[] =
{
"auto", "baseline", "main", "high", NULL // "high444p" not supported.
};
static const char * const h265_nvenc_profile_names[] =
{
"auto", "main", NULL
};
static const char * const h265_nvenc_10bit_profile_names[] =
{
"auto", "main10", NULL
};
static const char * const h26x_mf_preset_name[] =
{
"default", NULL
};
static const char * const h264_mf_profile_name[] =
{
"auto", "baseline", "main", "high", NULL
};
static const char * const h265_mf_profile_name[] =
{
"auto", "main", NULL
};
static const char * const av1_mf_profile_name[] =
{
"auto", "main", NULL
};
static const char * const ffv1_profile_names[] =
{
"auto", NULL
};
static const char * const hb_ffv1_level_names[] =
{
"auto", "1", "3", NULL
};
static const int hb_ffv1_level_values[] =
{
-1, 1, 3, 0
};
static const enum AVPixelFormat standard_pix_fmts[] =
{
AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat standard_10bit_pix_fmts[] =
{
AV_PIX_FMT_YUV420P10, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat h26x_mf_pix_fmts[] =
{
AV_PIX_FMT_NV12, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat nvenc_pix_formats_10bit[] =
{
AV_PIX_FMT_P010, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat nvenc_pix_formats[] =
{
AV_PIX_FMT_YUV420P, AV_PIX_FMT_NV12, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat vce_pix_formats_10bit[] =
{
AV_PIX_FMT_P010, AV_PIX_FMT_NONE
};
static const enum AVPixelFormat ffv1_pix_formats[] =
{
AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE
};
int encavcodecInit( hb_work_object_t * w, hb_job_t * job )
{
int ret = 0;
char reason[80];
char * codec_name = NULL;
const AVCodec * codec = NULL;
AVCodecContext * context;
AVRational fps;
AVDictionary *av_opts = NULL;
const AVRational *frame_rates = NULL;
hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
w->private_data = pv;
pv->job = job;
pv->chapter_queue = hb_chapter_queue_init();
pv->pkt = av_packet_alloc();
if (pv->pkt == NULL)
{
hb_log("encavcodecInit: av_packet_alloc failed");
ret = 1;
goto done;
}
hb_buffer_list_clear(&pv->delay_list);
int clock_min, clock_max, clock;
hb_video_framerate_get_limits(&clock_min, &clock_max, &clock);
switch ( w->codec_param )
{
case AV_CODEC_ID_MPEG4:
{
hb_log("encavcodecInit: MPEG-4 ASP encoder");
codec_name = "mpeg4";
} break;
case AV_CODEC_ID_MPEG2VIDEO:
{
hb_log("encavcodecInit: MPEG-2 encoder");
codec_name = "mpeg2video";
} break;
case AV_CODEC_ID_VP8:
{
hb_log("encavcodecInit: VP8 encoder");
codec_name = "libvpx";
} break;
case AV_CODEC_ID_VP9:
{
hb_log("encavcodecInit: VP9 encoder");
codec_name = "libvpx-vp9";
} break;
case AV_CODEC_ID_H264:
{
switch (job->vcodec) {
case HB_VCODEC_FFMPEG_NVENC_H264:
hb_log("encavcodecInit: H.264 (Nvidia NVENC)");
codec_name = "h264_nvenc";
break;
case HB_VCODEC_FFMPEG_VCE_H264:
hb_log("encavcodecInit: H.264 (AMD VCE)");
codec_name = "h264_amf";
break;
case HB_VCODEC_FFMPEG_MF_H264:
hb_log("encavcodecInit: H.264 (MediaFoundation)");
codec_name = "h264_mf";
break;
}
}break;
case AV_CODEC_ID_HEVC:
{
switch (job->vcodec) {
case HB_VCODEC_FFMPEG_NVENC_H265:
case HB_VCODEC_FFMPEG_NVENC_H265_10BIT:
hb_log("encavcodecInit: H.265 (Nvidia NVENC)");
codec_name = "hevc_nvenc";
break;
case HB_VCODEC_FFMPEG_VCE_H265:
case HB_VCODEC_FFMPEG_VCE_H265_10BIT:
hb_log("encavcodecInit: H.265 (AMD VCE)");
codec_name = "hevc_amf";
break;
case HB_VCODEC_FFMPEG_MF_H265:
hb_log("encavcodecInit: H.265 (MediaFoundation)");
codec_name = "hevc_mf";
break;
}
}break;
case AV_CODEC_ID_AV1:
{
switch (job->vcodec) {
case HB_VCODEC_FFMPEG_NVENC_AV1:
case HB_VCODEC_FFMPEG_NVENC_AV1_10BIT:
hb_log("encavcodecInit: AV1 (Nvidia NVENC)");
codec_name = "av1_nvenc";
break;
case HB_VCODEC_FFMPEG_VCE_AV1:
hb_log("encavcodecInit: AV1 (AMD VCE)");
codec_name = "av1_amf";
break;
case HB_VCODEC_FFMPEG_MF_AV1:
hb_log("encavcodecInit: AV1 (MediaFoundation)");
codec_name = "av1_mf";
break;
}
}break;
case AV_CODEC_ID_FFV1:
{
switch (job->vcodec) {
case HB_VCODEC_FFMPEG_FFV1:
hb_log("encavcodecInit: FFV1 (libavcodec)");
codec_name = "ffv1";
break;
}
}break;
}
if (codec_name == NULL)
{
// Catch all when the switch above fails
hb_log( "encavcodecInit: Unable to determine codec_name "
"from hb_work_object_t.codec_param=%d and "
"hb_job_t.vcodec=%x", w->codec_param,
job->vcodec );
ret = 1;
goto done;
}
codec = avcodec_find_encoder_by_name(codec_name);
if( !codec )
{
hb_log( "encavcodecInit: avcodec_find_encoder_by_name(%s) "
"failed", codec_name );
ret = 1;
goto done;
}
context = avcodec_alloc_context3(codec);
// Set things in context that we will allow the user to
// override with advanced settings.
fps.den = job->vrate.den;
fps.num = job->vrate.num;
// If the fps.num is the internal clock rate, there's a good chance
// this is a standard rate that we have in our hb_video_rates table.
// Because of rounding errors and approximations made while
// measuring framerate, the actual value may not be exact. So
// we look for rates that are "close" and make an adjustment
// to fps.den.
if (fps.num == clock)
{
const hb_rate_t *video_framerate = NULL;
while ((video_framerate = hb_video_framerate_get_next(video_framerate)) != NULL)
{
if (abs(fps.den - video_framerate->rate) < 10)
{
fps.den = video_framerate->rate;
break;
}
}
}
hb_reduce(&fps.den, &fps.num, fps.den, fps.num);
// Check that the framerate is supported. If not, pick the closest.
// The mpeg2 codec only supports a specific list of frame rates.
if (avcodec_get_supported_config(context, NULL, AV_CODEC_CONFIG_FRAME_RATE,
0, (const void **)&frame_rates, NULL) == 0 && frame_rates)
{
AVRational supported_fps;
supported_fps = frame_rates[av_find_nearest_q_idx(fps, frame_rates)];
if (supported_fps.num != fps.num || supported_fps.den != fps.den)
{
hb_log( "encavcodec: framerate %d / %d is not supported. Using %d / %d.",
fps.num, fps.den, supported_fps.num, supported_fps.den );
fps = supported_fps;
}
}
else if ((fps.num & ~0xFFFF) || (fps.den & ~0xFFFF))
{
// This may only be required for mpeg4 video. But since
// our only supported options are mpeg2 and mpeg4, there is
// no need to check codec type.
hb_log( "encavcodec: truncating framerate %d / %d",
fps.num, fps.den );
while ((fps.num & ~0xFFFF) || (fps.den & ~0xFFFF))
{
fps.num >>= 1;
fps.den >>= 1;
}
}
context->time_base.den = fps.num;
context->time_base.num = fps.den;
context->framerate = fps;
context->gop_size = ((double)job->orig_vrate.num / job->orig_vrate.den +
0.5) * 10;
if (apply_encoder_level(context, &av_opts, job->vcodec, job->encoder_level))
{
av_free(context);
ret = 1;
goto done;
}
if (apply_encoder_preset(job->vcodec, context, &av_opts, job->encoder_preset))
{
av_free( context );
ret = 1;
goto done;
}
if (apply_encoder_tune(job->vcodec, &av_opts, job->encoder_tune))
{
av_free(context);
ret = 1;
goto done;
}
if (apply_encoder_options(job, context, &av_opts))
{
av_free( context );
ret = 1;
goto done;
}
// Now set the things in context that we don't want to allow
// the user to override.
if (job->vquality <= HB_INVALID_VIDEO_QUALITY)
{
/* Average bitrate */
context->bit_rate = 1000 * job->vbitrate;
// ffmpeg's mpeg2 encoder requires that the bit_rate_tolerance be >=
// bitrate * fps
context->bit_rate_tolerance = context->bit_rate * av_q2d(fps) + 1;
if ( job->vcodec == HB_VCODEC_FFMPEG_NVENC_H264 || job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265 || job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265_10BIT
|| job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1 || job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1_10BIT) {
av_dict_set( &av_opts, "rc", "vbr", 0 );
hb_log( "encavcodec: encoding at rc=vbr, Bitrate %d", job->vbitrate );
}
if ((job->vcodec == HB_VCODEC_FFMPEG_VCE_H264)
|| (job->vcodec == HB_VCODEC_FFMPEG_VCE_H265)
|| (job->vcodec == HB_VCODEC_FFMPEG_VCE_H265_10BIT)
|| (job->vcodec == HB_VCODEC_FFMPEG_VCE_AV1))
{
av_dict_set( &av_opts, "rc", "vbr_peak", 0 );
// since we do not have scene change detection, set a
// relatively short gop size to help avoid stale references
context->gop_size = (int)(FFMIN(av_q2d(fps) * 2, 120));
//Work around an ffmpeg issue mentioned in issue #3447
if (job->vcodec == HB_VCODEC_FFMPEG_VCE_H265 || job->vcodec == HB_VCODEC_FFMPEG_VCE_H265_10BIT)
{
av_dict_set( &av_opts, "qmin", "0", 0 );
av_dict_set( &av_opts, "qmax", "51", 0 );
}
hb_log( "encavcodec: encoding at rc=vbr_peak Bitrate %d", job->vbitrate );
}
if (job->vcodec == HB_VCODEC_FFMPEG_MF_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_AV1) {
av_dict_set(&av_opts, "rate_control", "u_vbr", 0); // options are cbr, pc_vbr, u_vbr, ld_vbr, g_vbr, gld_vbr
// On Qualcomm encoders, the VBR modes can easily drop frames if
// the rate control feels like it needs it (in certain
// configurations), unless scenario is set to camera_record.
av_dict_set(&av_opts, "scenario", "camera_record", 0);
}
}
else
{
/* Constant quantizer */
//Set constant quality for libvpx
if ( w->codec_param == AV_CODEC_ID_VP8 ||
w->codec_param == AV_CODEC_ID_VP9 )
{
if (w->codec_param == AV_CODEC_ID_VP9 && job->vquality == 0)
{
av_dict_set( &av_opts, "lossless", "1", 0 );
}
else
{
// These settings produce better image quality than
// what was previously used
context->flags |= AV_CODEC_FLAG_QSCALE;
context->global_quality = FF_QP2LAMBDA * job->vquality + 0.5;
char quality[7];
snprintf(quality, 7, "%.2f", job->vquality);
av_dict_set( &av_opts, "crf", quality, 0 );
}
if (w->codec_param == AV_CODEC_ID_VP8)
{
//This value was chosen to make the bitrate high enough
//for libvpx to "turn off" the maximum bitrate feature
//that is normally applied to constant quality.
context->bit_rate = (int64_t)job->width * job->height *
fps.num / fps.den;
}
hb_log( "encavcodec: encoding at CQ %.2f", job->vquality );
}
//Set constant quality for nvenc
else if ( job->vcodec == HB_VCODEC_FFMPEG_NVENC_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265_10BIT ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1_10BIT)
{
char qualityI[7];
char quality[7];
char qualityB[7];
double adjustedQualityI = job->vquality - 2;
double adjustedQualityB = job->vquality + 2;
if (adjustedQualityB > 51) {
adjustedQualityB = 51;
}
if (adjustedQualityI < 0){
adjustedQualityI = 0;
}
snprintf(quality, 7, "%.2f", job->vquality);
snprintf(qualityI, 7, "%.2f", adjustedQualityI);
snprintf(qualityB, 7, "%.2f", adjustedQualityB);
context->bit_rate = 0;
av_dict_set( &av_opts, "rc", "vbr", 0 );
av_dict_set( &av_opts, "cq", quality, 0 );
// further Advanced Quality Settings in Constant Quality Mode
av_dict_set( &av_opts, "init_qpP", quality, 0 );
av_dict_set( &av_opts, "init_qpB", qualityB, 0 );
av_dict_set( &av_opts, "init_qpI", qualityI, 0 );
hb_log( "encavcodec: encoding at rc=vbr, %.2f", job->vquality );
}
else if ( job->vcodec == HB_VCODEC_FFMPEG_VCE_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_VCE_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_VCE_H265_10BIT ||
job->vcodec == HB_VCODEC_FFMPEG_VCE_AV1 )
{
// since we do not have scene change detection, set a
// relatively short gop size to help avoid stale references
context->gop_size = (int)(FFMIN(av_q2d(fps) * 2, 120));
char quality[7];
char qualityP[7];
char qualityB[7];
int maxQuality = 51;
double qualityOffsetThreshold = 8;
double qualityOffsetP = 2;
double qualityOffsetB;
double adjustedQualityP;
double adjustedQualityB;
if (job->vcodec == HB_VCODEC_FFMPEG_VCE_AV1)
{
maxQuality = 255;
qualityOffsetThreshold = 32;
qualityOffsetP = 8;
}
if (job->vquality <= qualityOffsetThreshold)
{
qualityOffsetP = job->vquality / qualityOffsetThreshold * qualityOffsetP;
}
qualityOffsetB = qualityOffsetP * 2;
adjustedQualityP = job->vquality + qualityOffsetP;
adjustedQualityB = job->vquality + qualityOffsetB;
if (adjustedQualityP > maxQuality)
{
adjustedQualityP = maxQuality;
}
if (adjustedQualityB > maxQuality)
{
adjustedQualityB = maxQuality;
}
snprintf(quality, 7, "%.2f", job->vquality);
snprintf(qualityP, 7, "%.2f", adjustedQualityP);
snprintf(qualityB, 7, "%.2f", adjustedQualityB);
av_dict_set( &av_opts, "rc", "cqp", 0 );
av_dict_set( &av_opts, "qp_i", quality, 0 );
av_dict_set( &av_opts, "qp_p", qualityP, 0 );
// H.265 encoders do not support B frames
if (job->vcodec != HB_VCODEC_FFMPEG_VCE_H265 &&
job->vcodec != HB_VCODEC_FFMPEG_VCE_H265_10BIT)
{
av_dict_set( &av_opts, "qp_b", qualityB, 0 );
}
hb_log( "encavcodec: encoding at CQ %.2f", job->vquality );
hb_log( "encavcodec: QP (I) %.2f", job->vquality );
hb_log( "encavcodec: QP (P) %.2f", adjustedQualityP );
if (job->vcodec != HB_VCODEC_FFMPEG_VCE_H265 &&
job->vcodec != HB_VCODEC_FFMPEG_VCE_H265_10BIT)
{
hb_log( "encavcodec: QP (B) %.2f", adjustedQualityB );
}
hb_log( "encavcodec: GOP Size %d", context->gop_size );
}
else if (job->vcodec == HB_VCODEC_FFMPEG_MF_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_AV1)
{
char quality[7];
snprintf(quality, 7, "%d", (int)job->vquality);
av_dict_set(&av_opts, "rate_control", "quality", 0);
av_dict_set(&av_opts, "quality", quality, 0);
}
else
{
// These settings produce better image quality than
// what was previously used
context->flags |= AV_CODEC_FLAG_QSCALE;
context->global_quality = FF_QP2LAMBDA * job->vquality + 0.5;
hb_log( "encavcodec: encoding at constant quantizer %d",
context->global_quality );
}
}
context->width = job->width;
context->height = job->height;
if (hb_hwaccel_is_full_hardware_pipeline_enabled(pv->job))
{
context->hw_device_ctx = av_buffer_ref(pv->job->hw_device_ctx);
hb_hwaccel_hwframes_ctx_init(context, job);
context->pix_fmt = job->hw_pix_fmt;
}
else
{
context->pix_fmt = job->output_pix_fmt;
}
context->sample_aspect_ratio.num = job->par.num;
context->sample_aspect_ratio.den = job->par.den;
if (job->vcodec == HB_VCODEC_FFMPEG_MPEG4)
{
// MPEG-4 Part 2 stores the PAR num/den as unsigned 8-bit fields,
// and libavcodec's encoder fails to initialize if we don't
// reduce it to fit 8-bits.
hb_limit_rational(&context->sample_aspect_ratio.num,
&context->sample_aspect_ratio.den,
context->sample_aspect_ratio.num,
context->sample_aspect_ratio.den, 255);
}
hb_log( "encavcodec: encoding with stored aspect %d/%d",
job->par.num, job->par.den );
// set colorimetry
context->color_primaries = hb_output_color_prim(job);
context->color_trc = hb_output_color_transfer(job);
context->colorspace = hb_output_color_matrix(job);
context->color_range = job->color_range;
context->chroma_sample_location = job->chroma_location;
if (!job->inline_parameter_sets)
{
context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
}
if( job->grayscale )
{
context->flags |= AV_CODEC_FLAG_GRAY;
}
if (job->vcodec == HB_VCODEC_FFMPEG_VCE_H264)
{
context->profile = AV_PROFILE_UNKNOWN;
if (job->encoder_profile != NULL && *job->encoder_profile)
{
if (!strcasecmp(job->encoder_profile, "baseline"))
context->profile = AV_PROFILE_H264_BASELINE;
else if (!strcasecmp(job->encoder_profile, "main"))
context->profile = AV_PROFILE_H264_MAIN;
else if (!strcasecmp(job->encoder_profile, "high"))
context->profile = AV_PROFILE_H264_HIGH;
}
av_dict_set(&av_opts, "forced_idr", "1", 0);
}
else if (job->vcodec == HB_VCODEC_FFMPEG_VCE_H265 || job->vcodec == HB_VCODEC_FFMPEG_VCE_H265_10BIT)
{
context->profile = AV_PROFILE_UNKNOWN;
if (job->encoder_profile != NULL && *job->encoder_profile)
{
if (!strcasecmp(job->encoder_profile, "main")) {
context->profile = AV_PROFILE_HEVC_MAIN;
}
if (!strcasecmp(job->encoder_profile, "main10")) {
context->profile = AV_PROFILE_HEVC_MAIN_10;
}
}
av_dict_set(&av_opts, "forced_idr", "1", 0);
// Make VCE h.265 encoder emit an IDR for every GOP
av_dict_set(&av_opts, "gops_per_idr", "1", 0);
}
else if (job->vcodec == HB_VCODEC_FFMPEG_VCE_AV1)
{
context->profile = AV_PROFILE_UNKNOWN;
if (job->encoder_profile != NULL && *job->encoder_profile)
{
if (!strcasecmp(job->encoder_profile, "main"))
context->profile = AV_PROFILE_AV1_MAIN;
}
av_dict_set(&av_opts, "forced_idr", "1", 0);
}
else if (job->vcodec == HB_VCODEC_FFMPEG_NVENC_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_H265_10BIT ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1 ||
job->vcodec == HB_VCODEC_FFMPEG_NVENC_AV1_10BIT)
{
// Force IDR frames when we force a new keyframe for chapters
av_dict_set( &av_opts, "forced-idr", "1", 0 );
if (job->encoder_profile != NULL && *job->encoder_profile)
{
if (!strcasecmp(job->encoder_profile, "baseline"))
av_dict_set(&av_opts, "profile", "baseline", 0);
else if (!strcasecmp(job->encoder_profile, "main"))
av_dict_set(&av_opts, "profile", "main", 0);
else if (!strcasecmp(job->encoder_profile, "high"))
av_dict_set(&av_opts, "profile", "high", 0);
}
// Disable unhandled SEI
// These might be present in the source video
// and passed through in side_data, but we
// don't want to automatically preserve them
av_dict_set(&av_opts, "a53cc", "0", 0);
av_dict_set(&av_opts, "s12m_tc", "0", 0);
}
else if (job->vcodec == HB_VCODEC_FFMPEG_FFV1)
{
int slices[] = {4, 6, 9, 12, 16, 24, 30};
context->slices = hb_get_cpu_count();
int slice_index = 0;
for (int i = 0; i < sizeof(slices) / sizeof(int); i++)
{
if (context->slices >= slices[i])
{
slice_index = i;
}
}
context->slices = slices[slice_index];
}
else if (job->vcodec == HB_VCODEC_FFMPEG_MF_H264 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_H265 ||
job->vcodec == HB_VCODEC_FFMPEG_MF_AV1)
{
if (job->vcodec == HB_VCODEC_FFMPEG_MF_H264)
{
context->profile = AV_PROFILE_UNKNOWN;
if (job->encoder_profile != NULL && *job->encoder_profile)
{
if (!strcasecmp(job->encoder_profile, "baseline"))
context->profile = AV_PROFILE_H264_BASELINE;
else if (!strcasecmp(job->encoder_profile, "main"))
context->profile = AV_PROFILE_H264_MAIN;
else if (!strcasecmp(job->encoder_profile, "high"))
context->profile = AV_PROFILE_H264_HIGH;
}
}
else if (job->vcodec == HB_VCODEC_FFMPEG_MF_H265)
{
// Qualcomm's HEVC encoder does support b-frames. Some chipsets
// support setting this to either 1 or 2, while others only support
// setting it to 1.
context->max_b_frames = 1;
}
av_dict_set(&av_opts, "hw_encoding", "1", 0);
}
if( job->pass_id == HB_PASS_ENCODE_ANALYSIS ||
job->pass_id == HB_PASS_ENCODE_FINAL )
{
char * filename = hb_get_temporary_filename("ffmpeg.log");
if( job->pass_id == HB_PASS_ENCODE_ANALYSIS )
{
pv->file = hb_fopen(filename, "wb");
if (!pv->file)
{
if (strerror_r(errno, reason, 79) != 0)
strcpy(reason, "unknown -- strerror_r() failed");
hb_error("encavcodecInit: Failed to open %s (reason: %s)", filename, reason);
free(filename);
ret = 1;
goto done;
}
context->flags |= AV_CODEC_FLAG_PASS1;
}
else
{
int size;
char * log;
pv->file = hb_fopen(filename, "rb");
if (!pv->file) {
if (strerror_r(errno, reason, 79) != 0)
strcpy(reason, "unknown -- strerror_r() failed");
hb_error("encavcodecInit: Failed to open %s (reason: %s)", filename, reason);
free(filename);
ret = 1;
goto done;
}
fseek( pv->file, 0, SEEK_END );
size = ftell( pv->file );
fseek( pv->file, 0, SEEK_SET );
log = malloc( size + 1 );
log[size] = '\0';
if (size > 0 &&
fread( log, size, 1, pv->file ) < size)
{
if (ferror(pv->file))
{
if (strerror_r(errno, reason, 79) != 0)
strcpy(reason, "unknown -- strerror_r() failed");
hb_error( "encavcodecInit: Failed to read %s (reason: %s)" , filename, reason);
free(filename);
ret = 1;
fclose( pv->file );
pv->file = NULL;
goto done;
}
}
fclose( pv->file );
pv->file = NULL;
context->flags |= AV_CODEC_FLAG_PASS2;
context->stats_in = log;
}
free(filename);
}
if (hb_avcodec_open(context, codec, &av_opts, HB_FFMPEG_THREADS_AUTO))
{
hb_log( "encavcodecInit: avcodec_open failed" );
ret = 1;
goto done;
}
/*
* Reload colorimetry settings in case custom
* values were set in the encoder_options string.
*/
job->color_prim_override = context->color_primaries;
job->color_transfer_override = context->color_trc;
job->color_matrix_override = context->colorspace;
if (job->pass_id == HB_PASS_ENCODE_ANALYSIS &&
context->stats_out != NULL)
{
// Some encoders may write stats during init in avcodec_open
fprintf(pv->file, "%s", context->stats_out);
}
// avcodec_open populates the opts dictionary with the
// things it didn't recognize.
AVDictionaryEntry *t = NULL;
while( ( t = av_dict_get( av_opts, "", t, AV_DICT_IGNORE_SUFFIX ) ) )
{
hb_log( "encavcodecInit: Unknown avcodec option %s", t->key );
}
pv->context = context;
job->areBframes = 0;
if (context->has_b_frames > 0)
{
job->areBframes = context->has_b_frames;
}
if (context->extradata != NULL)
{
hb_set_extradata(w->extradata, context->extradata, context->extradata_size);
}
done:
av_dict_free(&av_opts);
return ret;
}
/***********************************************************************
* Close
***********************************************************************
*
**********************************************************************/
void encavcodecClose( hb_work_object_t * w )
{
hb_work_private_t * pv = w->private_data;
if (pv == NULL)
{
return;
}
av_packet_free(&pv->pkt);
hb_chapter_queue_close(&pv->chapter_queue);
if( pv->context )
{
hb_deep_log( 2, "encavcodec: closing libavcodec" );
if( pv->context->codec ) {
avcodec_flush_buffers( pv->context );
}
hb_avcodec_free_context(&pv->context);
}
if( pv->file )
{
fclose( pv->file );
}
free( pv );
w->private_data = NULL;
}
/*
* see comments in definition of 'frame_info' in pv struct for description
* of what these routines are doing.
*/
static void save_frame_info( hb_work_private_t * pv, hb_buffer_t * in )
{
int i = pv->frameno_in & FRAME_INFO_MASK;
pv->frame_info[i].start = in->s.start;
pv->frame_info[i].duration = in->s.stop - in->s.start;
}
static int64_t get_frame_start( hb_work_private_t * pv, int64_t frameno )
{
int i = frameno & FRAME_INFO_MASK;
return pv->frame_info[i].start;
}
static int64_t get_frame_duration( hb_work_private_t * pv, int64_t frameno )
{
int i = frameno & FRAME_INFO_MASK;
return pv->frame_info[i].duration;
}
static void compute_dts_offset( hb_work_private_t * pv, hb_buffer_t * buf )
{
if ( pv->job->areBframes )
{
if ( ( pv->frameno_in ) == pv->job->areBframes )
{
pv->dts_delay = buf->s.start;
pv->job->init_delay = pv->dts_delay;
}
}
}
// Generate DTS by rearranging PTS in this sequence:
// pts0 - delay, pts1 - delay, pts2 - delay, pts1, pts2, pts3...
//
// Where pts0 - ptsN are in decoded monotonically increasing presentation
// order and delay == pts1 (1 being the number of frames the decoder must
// delay before it has sufficient information to decode). The number of
// frames to delay is set by job->areBframes, so it is configurable.
// This guarantees that DTS <= PTS for any frame.
//
// This is similar to how x264 generates DTS
static hb_buffer_t * process_delay_list( hb_work_private_t * pv, hb_buffer_t * buf )
{
if (pv->job->areBframes)
{
// Has dts_delay been set yet?
hb_buffer_list_append(&pv->delay_list, buf);
if (pv->frameno_in <= pv->job->areBframes)
{
// dts_delay not yet set. queue up buffers till it is set.
return NULL;
}
// We have dts_delay. Apply it to any queued buffers renderOffset
// and return all queued buffers.
buf = hb_buffer_list_head(&pv->delay_list);
while (buf != NULL)
{
// Use the cached frame info to get the start time of Nth frame
// Note that start Nth frame != start time this buffer since the
// output buffers have rearranged start times.
if (pv->frameno_out < pv->job->areBframes)
{
int64_t start = get_frame_start( pv, pv->frameno_out );
buf->s.renderOffset = start - pv->dts_delay;
}
else
{
buf->s.renderOffset = get_frame_start(pv,
pv->frameno_out - pv->job->areBframes);
}
buf = buf->next;
pv->frameno_out++;
}
buf = hb_buffer_list_clear(&pv->delay_list);
return buf;
}
else if (buf != NULL)
{