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Code Issues Releases Activity

avcodec/mpegvideo: Move frame_skip_* fields to MPVMainEncContext

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-03-01 02:04:41 +01:00
parent 4d79175b9a
commit 3275d788ec
3 changed files with 28 additions and 25 deletions
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7
libavcodec/mpegvideo.h
View File

@ -510,13 +510,6 @@ typedef struct MpegEncContext {
int error_rate;
/* frame skip options for encoding */
int frame_skip_threshold;
int frame_skip_factor;
int frame_skip_exp;
int frame_skip_cmp;
me_cmp_func frame_skip_cmp_fn;
int scenechange_threshold;
int noise_reduction;

31
libavcodec/mpegvideo_enc.c
View File

@ -307,8 +307,9 @@ av_cold void ff_dct_encode_init(MpegEncContext *s)
s->dct_quantize = dct_quantize_trellis_c;
}
static av_cold int me_cmp_init(MpegEncContext *s, AVCodecContext *avctx)
static av_cold int me_cmp_init(MPVMainEncContext *const m, AVCodecContext *avctx)
{
MpegEncContext *const s = &m->s;
MECmpContext mecc;
me_cmp_func me_cmp[6];
int ret;
@ -317,10 +318,10 @@ static av_cold int me_cmp_init(MpegEncContext *s, AVCodecContext *avctx)
ret = ff_me_init(&s->me, avctx, &mecc, 1);
if (ret < 0)
return ret;
ret = ff_set_cmp(&mecc, me_cmp, s->frame_skip_cmp, 1);
ret = ff_set_cmp(&mecc, me_cmp, m->frame_skip_cmp, 1);
if (ret < 0)
return ret;
s->frame_skip_cmp_fn = me_cmp[1];
m->frame_skip_cmp_fn = me_cmp[1];
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
ret = ff_set_cmp(&mecc, me_cmp, avctx->ildct_cmp, 1);
if (ret < 0)
@ -898,7 +899,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
s->alternate_scan);
if (avctx->flags & AV_CODEC_FLAG_PSNR || avctx->mb_decision == FF_MB_DECISION_RD ||
s->frame_skip_threshold || s->frame_skip_factor) {
m->frame_skip_threshold || m->frame_skip_factor) {
s->frame_reconstruction_bitfield = (1 << AV_PICTURE_TYPE_I) |
(1 << AV_PICTURE_TYPE_P) |
(1 << AV_PICTURE_TYPE_B);
@ -922,7 +923,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
ff_fdctdsp_init(&s->fdsp, avctx);
ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx);
ff_pixblockdsp_init(&s->pdsp, avctx);
ret = me_cmp_init(s, avctx);
ret = me_cmp_init(m, avctx);
if (ret < 0)
return ret;
@ -1402,8 +1403,10 @@ fail:
return ret;
}
static int skip_check(MpegEncContext *s, const MPVPicture *p, const MPVPicture *ref)
static int skip_check(MPVMainEncContext *const m,
const MPVPicture *p, const MPVPicture *ref)
{
MpegEncContext *const s = &m->s;
int x, y, plane;
int score = 0;
int64_t score64 = 0;
@ -1416,9 +1419,9 @@ static int skip_check(MpegEncContext *s, const MPVPicture *p, const MPVPicture *
int off = p->shared ? 0 : 16;
const uint8_t *dptr = p->f->data[plane] + 8 * (x + y * stride) + off;
const uint8_t *rptr = ref->f->data[plane] + 8 * (x + y * stride);
int v = s->frame_skip_cmp_fn(s, dptr, rptr, stride, 8);
int v = m->frame_skip_cmp_fn(s, dptr, rptr, stride, 8);
switch (FFABS(s->frame_skip_exp)) {
switch (FFABS(m->frame_skip_exp)) {
case 0: score = FFMAX(score, v); break;
case 1: score += FFABS(v); break;
case 2: score64 += v * (int64_t)v; break;
@ -1432,13 +1435,13 @@ static int skip_check(MpegEncContext *s, const MPVPicture *p, const MPVPicture *
if (score)
score64 = score;
if (s->frame_skip_exp < 0)
if (m->frame_skip_exp < 0)
score64 = pow(score64 / (double)(s->mb_width * s->mb_height),
-1.0/s->frame_skip_exp);
-1.0/m->frame_skip_exp);
if (score64 < s->frame_skip_threshold)
if (score64 < m->frame_skip_threshold)
return 1;
if (score64 < ((s->frame_skip_factor * (int64_t) s->lambda) >> 8))
if (score64 < ((m->frame_skip_factor * (int64_t) s->lambda) >> 8))
return 1;
return 0;
}
@ -1626,10 +1629,10 @@ static int set_bframe_chain_length(MPVMainEncContext *const m)
return 0;
/* set next picture type & ordering */
if (s->frame_skip_threshold || s->frame_skip_factor) {
if (m->frame_skip_threshold || m->frame_skip_factor) {
if (s->picture_in_gop_number < s->gop_size &&
s->next_pic.ptr &&
skip_check(s, s->input_picture[0], s->next_pic.ptr)) {
skip_check(m, s->input_picture[0], s->next_pic.ptr)) {
// FIXME check that the gop check above is +-1 correct
av_refstruct_unref(&s->input_picture[0]);

15
libavcodec/mpegvideoenc.h
View File

@ -45,6 +45,13 @@ typedef struct MPVMainEncContext {
int b_sensitivity;
int brd_scale;
/* frame skip options */
int frame_skip_threshold;
int frame_skip_factor;
int frame_skip_exp;
int frame_skip_cmp;
me_cmp_func frame_skip_cmp_fn;
/* bit rate control */
int64_t total_bits;
int frame_bits; ///< bits used for the current frame
@ -134,10 +141,10 @@ FF_MPV_OPT_CMP_FUNC, \
{"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"lmin", "minimum Lagrange factor (VBR)", FF_MPV_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"lmax", "maximum Lagrange factor (VBR)", FF_MPV_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_threshold", "Frame skip threshold", FF_MPV_OFFSET(frame_skip_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_factor", "Frame skip factor", FF_MPV_OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_exp", "Frame skip exponent", FF_MPV_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_cmp", "Frame skip compare function", FF_MPV_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{"skip_threshold", "Frame skip threshold", FF_MPV_MAIN_OFFSET(frame_skip_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_factor", "Frame skip factor", FF_MPV_MAIN_OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_exp", "Frame skip exponent", FF_MPV_MAIN_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"skip_cmp", "Frame skip compare function", FF_MPV_MAIN_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \
{"sc_threshold", "Scene change threshold", FF_MPV_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"noise_reduction", "Noise reduction", FF_MPV_OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
{"ps", "RTP payload size in bytes", FF_MPV_OFFSET(rtp_payload_size), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \