uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
srcY -= s->mspel * (1 + s->linesize);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize,
+ srcY, s->linesize,
17 + s->mspel * 2, 17 + s->mspel * 2,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(uvbuf, s->uvlinesize, srcU, s->uvlinesize,
+ 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(uvbuf + 16, s->uvlinesize, srcV, s->uvlinesize,
+ 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;
/* if we deal with range reduction we need to scale source blocks */
|| (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) {
srcY -= s->mspel * (1 + (s->linesize << fieldmv));
/* check emulate edge stride and offset */
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize, srcY, s->linesize,
9 + s->mspel * 2, (9 + s->mspel * 2) << fieldmv,
src_x - s->mspel, src_y - (s->mspel << fieldmv),
s->h_edge_pos, v_edge_pos);
|| s->h_edge_pos < 18 || v_edge_pos < 18
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
|| (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) {
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize,
- 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->uvlinesize, srcU,
+ s->uvlinesize, 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize,
- 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, s->uvlinesize, srcV,
+ s->uvlinesize, 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
srcU = s->edge_emu_buffer;
srcV = s->edge_emu_buffer + 16;
|| s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv)
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5
|| (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) {
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU, s->uvlinesize,
- 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
- s->h_edge_pos >> 1, v_edge_pos);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize,
- 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
- s->h_edge_pos >> 1, v_edge_pos);
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->uvlinesize, srcU,
+ s->uvlinesize, 5, (5 << fieldmv), uvsrc_x,
+ uvsrc_y, s->h_edge_pos >> 1, v_edge_pos);
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, s->uvlinesize, srcV,
+ s->uvlinesize, 5, (5 << fieldmv), uvsrc_x,
+ uvsrc_y, s->h_edge_pos >> 1, v_edge_pos);
srcU = s->edge_emu_buffer;
srcV = s->edge_emu_buffer + 16;
uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
srcY -= s->mspel * (1 + s->linesize);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->linesize, srcY, s->linesize,
17 + s->mspel * 2, 17 + s->mspel * 2,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
- s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(uvbuf, s->uvlinesize, srcU, s->uvlinesize,
+ 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(uvbuf + 16, s->uvlinesize, srcV, s->uvlinesize,
+ 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;
/* if we deal with range reduction we need to scale source blocks */
{
MpegEncContext *s = &v->s;
+ if (!v->s.last_picture.f.data[0])
+ return;
+
ff_er_add_slice(&s->er, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END);
s->first_slice_line = 1;
for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
s->mb_x = 0;
init_block_index(v);
ff_update_block_index(s);
- if (s->last_picture.f.data[0]) {
- memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16);
- memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
- memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
- }
+ memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16);
+ memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
+ memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
if (s->avctx->codec_id == AV_CODEC_ID_WMV3IMAGE || s->avctx->codec_id == AV_CODEC_ID_VC1IMAGE) {
for (i = 0; i < 4; i++)
- if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width))) return -1;
+ if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width)))
+ return AVERROR(ENOMEM);
}
if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane ||
!v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base ||
- !v->mb_type_base)
- return -1;
+ !v->mb_type_base) {
+ av_freep(&v->mv_type_mb_plane);
+ av_freep(&v->direct_mb_plane);
+ av_freep(&v->acpred_plane);
+ av_freep(&v->over_flags_plane);
+ av_freep(&v->block);
+ av_freep(&v->cbp_base);
+ av_freep(&v->ttblk_base);
+ av_freep(&v->is_intra_base);
+ av_freep(&v->luma_mv_base);
+ av_freep(&v->mb_type_base);
+ return AVERROR(ENOMEM);
+ }
return 0;
}
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
GetBitContext gb;
+ int ret;
/* save the container output size for WMImage */
v->output_width = avctx->width;
avctx->flags |= CODEC_FLAG_EMU_EDGE;
v->s.flags |= CODEC_FLAG_EMU_EDGE;
- if (ff_vc1_init_common(v) < 0)
- return -1;
+ if ((ret = ff_vc1_init_common(v)) < 0)
+ return ret;
// ensure static VLC tables are initialized
- if (ff_msmpeg4_decode_init(avctx) < 0)
- return -1;
- if (ff_vc1_decode_init_alloc_tables(v) < 0)
- return -1;
+ if ((ret = ff_msmpeg4_decode_init(avctx)) < 0)
+ return ret;
+ if ((ret = ff_vc1_decode_init_alloc_tables(v)) < 0)
+ return ret;
// Hack to ensure the above functions will be called
// again once we know all necessary settings.
// That this is necessary might indicate a bug.
init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8);
- if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0)
- return -1;
+ if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0)
+ return ret;
count = avctx->extradata_size*8 - get_bits_count(&gb);
if (count > 0) {
init_get_bits(&gb, buf2, buf2_size * 8);
switch (AV_RB32(start)) {
case VC1_CODE_SEQHDR:
- if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0) {
+ if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0) {
av_free(buf2);
- return -1;
+ return ret;
}
seq_initialized = 1;
break;
case VC1_CODE_ENTRYPOINT:
- if (ff_vc1_decode_entry_point(avctx, v, &gb) < 0) {
+ if ((ret = ff_vc1_decode_entry_point(avctx, v, &gb)) < 0) {
av_free(buf2);
- return -1;
+ return ret;
}
ep_initialized = 1;
break;
}
if (!s->context_initialized) {
- if (ff_msmpeg4_decode_init(avctx) < 0 || ff_vc1_decode_init_alloc_tables(v) < 0)
+ if (ff_msmpeg4_decode_init(avctx) < 0)
goto err;
+ if (ff_vc1_decode_init_alloc_tables(v) < 0) {
+ ff_MPV_common_end(s);
+ goto err;
+ }
s->low_delay = !avctx->has_b_frames || v->res_sprite;
} else {
int header_ret = 0;
-
ff_mpeg_er_frame_start(s);
v->bits = buf_size * 8;
if (v->field_mode && i == n_slices1 + 2) {
if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n");
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ goto err;
continue;
}
} else if (get_bits1(&s->gb)) {
v->pic_header_flag = 1;
if ((header_ret = ff_vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n");
+ if (avctx->err_recognition & AV_EF_EXPLODE)
+ goto err;
continue;
}
}