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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00

avcodec/mpeg4videoenc: Move initializations before ff_mpv_encode_init()

This avoids relying on ff_update_duplicate_context() to copy
these fields to the slice contexts.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-03-18 18:32:18 +01:00
parent 8397351221
commit 0e333a5451
2 changed files with 18 additions and 17 deletions

View File

@ -826,6 +826,11 @@ av_cold void ff_h263_encode_init(MPVMainEncContext *const m)
s->me.mv_penalty = ff_h263_get_mv_penalty(); // FIXME exact table for MSMPEG4 & H.263+ s->me.mv_penalty = ff_h263_get_mv_penalty(); // FIXME exact table for MSMPEG4 & H.263+
ff_h263dsp_init(&s->h263dsp);
if (s->codec_id == AV_CODEC_ID_MPEG4)
return;
s->intra_ac_vlc_length =s->inter_ac_vlc_length = uni_h263_inter_rl_len; s->intra_ac_vlc_length =s->inter_ac_vlc_length = uni_h263_inter_rl_len;
s->intra_ac_vlc_last_length=s->inter_ac_vlc_last_length= uni_h263_inter_rl_len + 128*64; s->intra_ac_vlc_last_length=s->inter_ac_vlc_last_length= uni_h263_inter_rl_len + 128*64;
if(s->h263_aic){ if(s->h263_aic){
@ -842,8 +847,6 @@ av_cold void ff_h263_encode_init(MPVMainEncContext *const m)
// use fcodes >1 only for MPEG-4 & H.263 & H.263+ FIXME // use fcodes >1 only for MPEG-4 & H.263 & H.263+ FIXME
switch(s->codec_id){ switch(s->codec_id){
case AV_CODEC_ID_MPEG4:
break;
case AV_CODEC_ID_H263P: case AV_CODEC_ID_H263P:
if(s->umvplus) if(s->umvplus)
m->fcode_tab = umv_fcode_tab + MAX_MV; m->fcode_tab = umv_fcode_tab + MAX_MV;
@ -875,8 +878,6 @@ av_cold void ff_h263_encode_init(MPVMainEncContext *const m)
m->encode_picture_header = h263_encode_picture_header; m->encode_picture_header = h263_encode_picture_header;
if (!s->encode_mb) if (!s->encode_mb)
s->encode_mb = h263_encode_mb; s->encode_mb = h263_encode_mb;
ff_h263dsp_init(&s->h263dsp);
} }
void ff_h263_encode_mba(MpegEncContext *s) void ff_h263_encode_mba(MpegEncContext *s)

View File

@ -1305,6 +1305,19 @@ static av_cold int encode_init(AVCodecContext *avctx)
m->encode_picture_header = mpeg4_encode_picture_header; m->encode_picture_header = mpeg4_encode_picture_header;
s->encode_mb = mpeg4_encode_mb; s->encode_mb = mpeg4_encode_mb;
m->fcode_tab = fcode_tab + MAX_MV;
s->min_qcoeff = -2048;
s->max_qcoeff = 2047;
s->intra_ac_vlc_length = uni_mpeg4_intra_rl_len;
s->intra_ac_vlc_last_length = uni_mpeg4_intra_rl_len + 128 * 64;
s->inter_ac_vlc_length = uni_mpeg4_inter_rl_len;
s->inter_ac_vlc_last_length = uni_mpeg4_inter_rl_len + 128 * 64;
s->luma_dc_vlc_length = uni_DCtab_lum_len;
s->ac_esc_length = 7 + 2 + 1 + 6 + 1 + 12 + 1;
s->y_dc_scale_table = ff_mpeg4_y_dc_scale_table;
s->c_dc_scale_table = ff_mpeg4_c_dc_scale_table;
ff_qpeldsp_init(&s->qdsp); ff_qpeldsp_init(&s->qdsp);
if ((ret = ff_mpv_encode_init(avctx)) < 0) if ((ret = ff_mpv_encode_init(avctx)) < 0)
return ret; return ret;
@ -1322,19 +1335,6 @@ static av_cold int encode_init(AVCodecContext *avctx)
m4->time_increment_bits = av_log2(avctx->time_base.den - 1) + 1; m4->time_increment_bits = av_log2(avctx->time_base.den - 1) + 1;
m->fcode_tab = fcode_tab + MAX_MV;
s->min_qcoeff = -2048;
s->max_qcoeff = 2047;
s->intra_ac_vlc_length = uni_mpeg4_intra_rl_len;
s->intra_ac_vlc_last_length = uni_mpeg4_intra_rl_len + 128 * 64;
s->inter_ac_vlc_length = uni_mpeg4_inter_rl_len;
s->inter_ac_vlc_last_length = uni_mpeg4_inter_rl_len + 128 * 64;
s->luma_dc_vlc_length = uni_DCtab_lum_len;
s->ac_esc_length = 7 + 2 + 1 + 6 + 1 + 12 + 1;
s->y_dc_scale_table = ff_mpeg4_y_dc_scale_table;
s->c_dc_scale_table = ff_mpeg4_c_dc_scale_table;
if (s->avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { if (s->avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
s->avctx->extradata = av_malloc(1024); s->avctx->extradata = av_malloc(1024);
if (!s->avctx->extradata) if (!s->avctx->extradata)