#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
+#include "libavutil/thread.h"
#include "avcodec.h"
#include "mpegutils.h"
#include "mpegvideo.h"
H261Context *h = (H261Context *)s;
int format, temp_ref;
- avpriv_align_put_bits(&s->pb);
+ align_put_bits(&s->pb);
/* Update the pointer to last GOB */
s->ptr_lastgob = put_bits_ptr(&s->pb);
}
}
-static av_cold void init_uni_h261_rl_tab(RLTable *rl, uint32_t *bits_tab,
- uint8_t *len_tab)
+static av_cold void init_uni_h261_rl_tab(const RLTable *rl, uint8_t *len_tab)
{
int slevel, run, last;
}
}
+static av_cold void h261_encode_init_static(void)
+{
+ static uint8_t h261_rl_table_store[2][2 * MAX_RUN + MAX_LEVEL + 3];
+
+ ff_rl_init(&ff_h261_rl_tcoeff, h261_rl_table_store);
+ init_uni_h261_rl_tab(&ff_h261_rl_tcoeff, uni_h261_rl_len);
+}
+
av_cold void ff_h261_encode_init(MpegEncContext *s)
{
- ff_h261_common_init();
+ static AVOnce init_static_once = AV_ONCE_INIT;
s->min_qcoeff = -127;
s->max_qcoeff = 127;
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
s->ac_esc_length = 6+6+8;
- init_uni_h261_rl_tab(&ff_h261_rl_tcoeff, NULL, uni_h261_rl_len);
-
s->intra_ac_vlc_length = s->inter_ac_vlc_length = uni_h261_rl_len;
s->intra_ac_vlc_last_length = s->inter_ac_vlc_last_length = uni_h261_rl_len + 128*64;
+ ff_thread_once(&init_static_once, h261_encode_init_static);
}
static const AVClass h261_class = {
.version = LIBAVUTIL_VERSION_INT,
};
-AVCodec ff_h261_encoder = {
+const AVCodec ff_h261_encoder = {
.name = "h261",
.long_name = NULL_IF_CONFIG_SMALL("H.261"),
.type = AVMEDIA_TYPE_VIDEO,
.init = ff_mpv_encode_init,
.encode2 = ff_mpv_encode_picture,
.close = ff_mpv_encode_end,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
.priv_class = &h261_class,