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avcodec/dovi_rpuenc: add ff_dovi_configure_ext()

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More flexible version of ff_dovi_configure() which does not require an
AVCodecContext. Usable, for example, inside a bitstream filter.
This commit is contained in:
Niklas Haas 2024-07-15 13:26:13 +02:00
parent 765f29c61e
commit 1917270d32
2 changed files with 72 additions and 29 deletions
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16
libavcodec/dovi_rpu.h
View File

@ -26,7 +26,9 @@
#include "libavutil/dovi_meta.h"
#include "libavutil/frame.h"
#include "avcodec.h"
#include "codec_par.h"
#define DOVI_MAX_DM_ID 15
typedef struct DOVIContext {
@ -125,11 +127,23 @@ int ff_dovi_attach_side_data(DOVIContext *s, AVFrame *frame);
/**
* Configure the encoder for Dolby Vision encoding. Generates a configuration
* record in s->cfg, and attaches it to avctx->coded_side_data. Sets the correct
* profile and compatibility ID based on the tagged AVCodecContext colorspace
* profile and compatibility ID based on the tagged AVCodecParameters colorspace
* metadata, and the correct level based on the resolution and tagged framerate.
*
* `metadata` should point to the first frame's RPU, if available. If absent,
* auto-detection will be performed, but this can sometimes lead to inaccurate
* results (in particular for HEVC streams with enhancement layers).
*
* Returns 0 or a negative error code.
*/
int ff_dovi_configure_ext(DOVIContext *s, AVCodecParameters *codecpar,
const AVDOVIMetadata *metadata,
int strict_std_compliance);
/**
* Helper wrapper around `ff_dovi_configure_ext` which infers the codec
* parameters from an AVCodecContext.
*/
int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx);
enum {

85
libavcodec/dovi_rpuenc.c
View File

@ -52,11 +52,12 @@ static struct {
[13] = {7680*4320*120u, 7680, 240, 800},
};
int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
int ff_dovi_configure_ext(DOVIContext *s, AVCodecParameters *codecpar,
const AVDOVIMetadata *metadata,
int strict_std_compliance)
{
AVDOVIDecoderConfigurationRecord *cfg;
const AVDOVIRpuDataHeader *hdr = NULL;
const AVFrameSideData *sd;
int dv_profile, dv_level, bl_compat_id = -1;
size_t cfg_size;
uint64_t pps;
@ -64,16 +65,13 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
if (!s->enable)
goto skip;
sd = av_frame_side_data_get(avctx->decoded_side_data,
avctx->nb_decoded_side_data, AV_FRAME_DATA_DOVI_METADATA);
if (sd)
hdr = av_dovi_get_header((const AVDOVIMetadata *) sd->data);
if (metadata)
hdr = av_dovi_get_header(metadata);
if (s->enable == FF_DOVI_AUTOMATIC && !hdr)
goto skip;
switch (avctx->codec_id) {
switch (codecpar->codec_id) {
case AV_CODEC_ID_AV1: dv_profile = 10; break;
case AV_CODEC_ID_H264: dv_profile = 9; break;
case AV_CODEC_ID_HEVC: dv_profile = hdr ? ff_dovi_guess_profile_hevc(hdr) : 8; break;
@ -83,12 +81,12 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
return AVERROR_BUG;
}
if (avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
if (strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
if (dv_profile == 9) {
if (avctx->pix_fmt != AV_PIX_FMT_YUV420P)
if (codecpar->format != AV_PIX_FMT_YUV420P)
dv_profile = 0;
} else {
if (avctx->pix_fmt != AV_PIX_FMT_YUV420P10)
if (codecpar->format != AV_PIX_FMT_YUV420P10)
dv_profile = 0;
}
}
@ -115,17 +113,17 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
}
/* fall through */
case 8: /* HEVC (or AV1) with BL compatibility */
if (avctx->colorspace == AVCOL_SPC_BT2020_NCL &&
avctx->color_primaries == AVCOL_PRI_BT2020 &&
avctx->color_trc == AVCOL_TRC_SMPTE2084) {
if (codecpar->color_space == AVCOL_SPC_BT2020_NCL &&
codecpar->color_primaries == AVCOL_PRI_BT2020 &&
codecpar->color_trc == AVCOL_TRC_SMPTE2084) {
bl_compat_id = 1;
} else if (avctx->colorspace == AVCOL_SPC_BT2020_NCL &&
avctx->color_primaries == AVCOL_PRI_BT2020 &&
avctx->color_trc == AVCOL_TRC_ARIB_STD_B67) {
} else if (codecpar->color_space == AVCOL_SPC_BT2020_NCL &&
codecpar->color_primaries == AVCOL_PRI_BT2020 &&
codecpar->color_trc == AVCOL_TRC_ARIB_STD_B67) {
bl_compat_id = 4;
} else if (avctx->colorspace == AVCOL_SPC_BT709 &&
avctx->color_primaries == AVCOL_PRI_BT709 &&
avctx->color_trc == AVCOL_TRC_BT709) {
} else if (codecpar->color_space == AVCOL_SPC_BT709 &&
codecpar->color_primaries == AVCOL_PRI_BT709 &&
codecpar->color_trc == AVCOL_TRC_BT709) {
bl_compat_id = 2;
}
}
@ -140,9 +138,9 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
goto skip;
}
pps = avctx->width * avctx->height;
if (avctx->framerate.num) {
pps = pps * avctx->framerate.num / avctx->framerate.den;
pps = codecpar->width * codecpar->height;
if (codecpar->framerate.num) {
pps = pps * codecpar->framerate.num / codecpar->framerate.den;
} else {
pps *= 25; /* sanity fallback */
}
@ -151,7 +149,7 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
for (int i = 1; i < FF_ARRAY_ELEMS(dv_levels); i++) {
if (pps > dv_levels[i].pps)
continue;
if (avctx->width > dv_levels[i].width)
if (codecpar->width > dv_levels[i].width)
continue;
/* In theory, we should also test the bitrate when known, and
* distinguish between main and high tier. In practice, just ignore
@ -162,14 +160,14 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
}
if (!dv_level) {
if (avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
if (strict_std_compliance >= FF_COMPLIANCE_STRICT) {
av_log(s->logctx, AV_LOG_ERROR, "Coded PPS (%"PRIu64") and width (%d) "
"exceed Dolby Vision limitations\n", pps, avctx->width);
"exceed Dolby Vision limitations\n", pps, codecpar->width);
return AVERROR(EINVAL);
} else {
av_log(s->logctx, AV_LOG_WARNING, "Coded PPS (%"PRIu64") and width (%d) "
"exceed Dolby Vision limitations. Ignoring, resulting file "
"may be non-conforming.\n", pps, avctx->width);
"may be non-conforming.\n", pps, codecpar->width);
dv_level = FF_ARRAY_ELEMS(dv_levels) - 1;
}
}
@ -178,7 +176,8 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
if (!cfg)
return AVERROR(ENOMEM);
if (!av_packet_side_data_add(&avctx->coded_side_data, &avctx->nb_coded_side_data,
if (!av_packet_side_data_add(&codecpar->coded_side_data,
&codecpar->nb_coded_side_data,
AV_PKT_DATA_DOVI_CONF, cfg, cfg_size, 0)) {
av_free(cfg);
return AVERROR(ENOMEM);
@ -201,6 +200,36 @@ skip:
return 0;
}
int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
{
int ret;
const AVFrameSideData *sd;
const AVDOVIMetadata *metadata = NULL;
AVCodecParameters *codecpar = avcodec_parameters_alloc();
if (!codecpar)
return AVERROR(ENOMEM);
ret = avcodec_parameters_from_context(codecpar, avctx);
if (ret < 0)
goto fail;
sd = av_frame_side_data_get(avctx->decoded_side_data,
avctx->nb_decoded_side_data,
AV_FRAME_DATA_DOVI_METADATA);
if (sd)
metadata = (const AVDOVIMetadata *) sd->data;
ret = ff_dovi_configure_ext(s, codecpar, metadata, avctx->strict_std_compliance);
if (ret < 0)
goto fail;
ret = avcodec_parameters_to_context(avctx, codecpar);
fail:
avcodec_parameters_free(&codecpar);
return ret;
}
static inline void put_ue_coef(PutBitContext *pb, const AVDOVIRpuDataHeader *hdr,
uint64_t coef)
{