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mpegvideo: Have ff_mpeg_unref_picture use AVCodecContext directly

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This skips setting the memory to 0 but allows for reuse on different
contextes. Oracle did not report any unsual activity because of it.
This commit is contained in:
Vittorio Giovara
2015-04-27 22:09:19 +01:00
parent 6f54dc43ce
commit d528045558
3 changed files with 38 additions and 42 deletions
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18
libavcodec/mpegvideo_enc.c
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@@ -886,7 +886,7 @@ av_cold int ff_mpv_encode_end(AVCodecContext *avctx)
av_frame_free(&s->tmp_frames[i]);
ff_free_picture_tables(&s->new_picture);
ff_mpeg_unref_picture(s, &s->new_picture);
ff_mpeg_unref_picture(s->avctx, &s->new_picture);
av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
@@ -1370,7 +1370,7 @@ no_output_pic:
s->reordered_input_picture[0]->f->pict_type !=
AV_PICTURE_TYPE_B ? 3 : 0;
ff_mpeg_unref_picture(s, &s->new_picture);
ff_mpeg_unref_picture(s->avctx, &s->new_picture);
if ((ret = ff_mpeg_ref_picture(s, &s->new_picture, s->reordered_input_picture[0])))
return ret;
@@ -1405,14 +1405,14 @@ no_output_pic:
s->new_picture.f->data[i] += INPLACE_OFFSET;
}
}
ff_mpeg_unref_picture(s, &s->current_picture);
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
s->current_picture_ptr)) < 0)
return ret;
s->picture_number = s->new_picture.f->display_picture_number;
} else {
ff_mpeg_unref_picture(s, &s->new_picture);
ff_mpeg_unref_picture(s->avctx, &s->new_picture);
}
return 0;
}
@@ -1456,7 +1456,7 @@ static void frame_end(MpegEncContext *s)
/* release non-reference frames */
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
if (!s->picture[i].reference)
ff_mpeg_unref_picture(s, &s->picture[i]);
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
}
}
@@ -1493,13 +1493,13 @@ static int frame_start(MpegEncContext *s)
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
s->last_picture_ptr != s->next_picture_ptr &&
s->last_picture_ptr->f->buf[0]) {
ff_mpeg_unref_picture(s, s->last_picture_ptr);
ff_mpeg_unref_picture(s->avctx, s->last_picture_ptr);
}
s->current_picture_ptr->f->pict_type = s->pict_type;
s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
ff_mpeg_unref_picture(s, &s->current_picture);
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
s->current_picture_ptr)) < 0)
return ret;
@@ -1511,14 +1511,14 @@ static int frame_start(MpegEncContext *s)
}
if (s->last_picture_ptr) {
ff_mpeg_unref_picture(s, &s->last_picture);
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
if (s->last_picture_ptr->f->buf[0] &&
(ret = ff_mpeg_ref_picture(s, &s->last_picture,
s->last_picture_ptr)) < 0)
return ret;
}
if (s->next_picture_ptr) {
ff_mpeg_unref_picture(s, &s->next_picture);
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
if (s->next_picture_ptr->f->buf[0] &&
(ret = ff_mpeg_ref_picture(s, &s->next_picture,
s->next_picture_ptr)) < 0)