mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-27 13:10:37 +00:00
mpegvideo: drop vismv code
It has been broken for over a year without anyone complaining or noticing, thus proving that nobody ever uses it.
This commit is contained in:
Anton Khirnov
parent
2eba9087f3
commit
37045e4229
@ -1008,16 +1008,6 @@ static int init_context_frame(MpegEncContext *s)
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FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
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// Note the + 1 is for a quicker mpeg4 slice_end detection
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if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
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s->avctx->debug_mv) {
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s->visualization_buffer[0] = av_malloc((s->mb_width * 16 +
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2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
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s->visualization_buffer[1] = av_malloc((s->mb_width * 16 +
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2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
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s->visualization_buffer[2] = av_malloc((s->mb_width * 16 +
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2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
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}
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return init_er(s);
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fail:
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return AVERROR(ENOMEM);
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@ -1213,9 +1203,6 @@ static int free_context_frame(MpegEncContext *s)
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s->linesize = s->uvlinesize = 0;
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for (i = 0; i < 3; i++)
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av_freep(&s->visualization_buffer[i]);
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return 0;
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}
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@ -1805,94 +1792,6 @@ void ff_MPV_frame_end(MpegEncContext *s)
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ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
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}
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/**
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* Draw a line from (ex, ey) -> (sx, sy).
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* @param w width of the image
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* @param h height of the image
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* @param stride stride/linesize of the image
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* @param color color of the arrow
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*/
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static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey,
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int w, int h, int stride, int color)
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{
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int x, y, fr, f;
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sx = av_clip(sx, 0, w - 1);
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sy = av_clip(sy, 0, h - 1);
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ex = av_clip(ex, 0, w - 1);
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ey = av_clip(ey, 0, h - 1);
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buf[sy * stride + sx] += color;
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if (FFABS(ex - sx) > FFABS(ey - sy)) {
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if (sx > ex) {
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FFSWAP(int, sx, ex);
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FFSWAP(int, sy, ey);
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}
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buf += sx + sy * stride;
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ex -= sx;
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f = ((ey - sy) << 16) / ex;
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for (x = 0; x <= ex; x++) {
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y = (x * f) >> 16;
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fr = (x * f) & 0xFFFF;
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buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
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buf[(y + 1) * stride + x] += (color * fr ) >> 16;
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}
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} else {
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if (sy > ey) {
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FFSWAP(int, sx, ex);
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FFSWAP(int, sy, ey);
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}
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buf += sx + sy * stride;
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ey -= sy;
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if (ey)
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f = ((ex - sx) << 16) / ey;
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else
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f = 0;
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for (y = 0; y = ey; y++) {
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x = (y * f) >> 16;
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fr = (y * f) & 0xFFFF;
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buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
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buf[y * stride + x + 1] += (color * fr ) >> 16;
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}
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}
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}
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/**
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* Draw an arrow from (ex, ey) -> (sx, sy).
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* @param w width of the image
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* @param h height of the image
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* @param stride stride/linesize of the image
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* @param color color of the arrow
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*/
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static void draw_arrow(uint8_t *buf, int sx, int sy, int ex,
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int ey, int w, int h, int stride, int color)
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{
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int dx,dy;
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sx = av_clip(sx, -100, w + 100);
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sy = av_clip(sy, -100, h + 100);
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ex = av_clip(ex, -100, w + 100);
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ey = av_clip(ey, -100, h + 100);
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dx = ex - sx;
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dy = ey - sy;
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if (dx * dx + dy * dy > 3 * 3) {
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int rx = dx + dy;
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int ry = -dx + dy;
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int length = ff_sqrt((rx * rx + ry * ry) << 8);
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// FIXME subpixel accuracy
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rx = ROUNDED_DIV(rx * 3 << 4, length);
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ry = ROUNDED_DIV(ry * 3 << 4, length);
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draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
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draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
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}
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draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
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}
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/**
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* Print debugging info for the given picture.
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*/
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@ -1991,214 +1890,6 @@ void ff_print_debug_info(MpegEncContext *s, Picture *p)
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av_log(s->avctx, AV_LOG_DEBUG, "\n");
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}
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}
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if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
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(s->avctx->debug_mv)) {
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const int shift = 1 + s->quarter_sample;
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int mb_y;
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uint8_t *ptr;
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int i;
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int h_chroma_shift, v_chroma_shift, block_height;
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const int width = s->avctx->width;
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const int height = s->avctx->height;
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const int mv_sample_log2 = 4 - pict->motion_subsample_log2;
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const int mv_stride = (s->mb_width << mv_sample_log2) +
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(s->codec_id == AV_CODEC_ID_H264 ? 0 : 1);
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s->low_delay = 0; // needed to see the vectors without trashing the buffers
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av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
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&h_chroma_shift, &v_chroma_shift);
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for (i = 0; i < 3; i++) {
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memcpy(s->visualization_buffer[i], pict->data[i],
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(i == 0) ? pict->linesize[i] * height:
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pict->linesize[i] * height >> v_chroma_shift);
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pict->data[i] = s->visualization_buffer[i];
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}
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ptr = pict->data[0];
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block_height = 16 >> v_chroma_shift;
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for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
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int mb_x;
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for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
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const int mb_index = mb_x + mb_y * s->mb_stride;
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if ((s->avctx->debug_mv) && p->motion_val) {
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int type;
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for (type = 0; type < 3; type++) {
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int direction = 0;
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switch (type) {
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case 0:
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if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) ||
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(pict->pict_type!= AV_PICTURE_TYPE_P))
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continue;
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direction = 0;
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break;
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case 1:
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if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) ||
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(pict->pict_type!= AV_PICTURE_TYPE_B))
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continue;
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direction = 0;
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break;
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case 2:
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if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) ||
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(pict->pict_type!= AV_PICTURE_TYPE_B))
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continue;
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direction = 1;
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break;
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}
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if (!USES_LIST(p->mb_type[mb_index], direction))
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continue;
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if (IS_8X8(p->mb_type[mb_index])) {
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int i;
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for (i = 0; i < 4; i++) {
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int sx = mb_x * 16 + 4 + 8 * (i & 1);
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int sy = mb_y * 16 + 4 + 8 * (i >> 1);
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int xy = (mb_x * 2 + (i & 1) +
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(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
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int mx = (p->motion_val[direction][xy][0] >> shift) + sx;
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int my = (p->motion_val[direction][xy][1] >> shift) + sy;
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draw_arrow(ptr, sx, sy, mx, my, width,
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height, s->linesize, 100);
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}
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} else if (IS_16X8(p->mb_type[mb_index])) {
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int i;
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for (i = 0; i < 2; i++) {
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int sx = mb_x * 16 + 8;
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int sy = mb_y * 16 + 4 + 8 * i;
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int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1);
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int mx = (p->motion_val[direction][xy][0] >> shift);
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int my = (p->motion_val[direction][xy][1] >> shift);
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if (IS_INTERLACED(p->mb_type[mb_index]))
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my *= 2;
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draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
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height, s->linesize, 100);
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}
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} else if (IS_8X16(p->mb_type[mb_index])) {
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int i;
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for (i = 0; i < 2; i++) {
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int sx = mb_x * 16 + 4 + 8 * i;
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int sy = mb_y * 16 + 8;
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int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1);
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int mx = p->motion_val[direction][xy][0] >> shift;
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int my = p->motion_val[direction][xy][1] >> shift;
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if (IS_INTERLACED(p->mb_type[mb_index]))
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my *= 2;
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draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
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height, s->linesize, 100);
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}
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} else {
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int sx = mb_x * 16 + 8;
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int sy = mb_y * 16 + 8;
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int xy = (mb_x + mb_y * mv_stride) << mv_sample_log2;
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int mx = p->motion_val[direction][xy][0] >> shift + sx;
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int my = p->motion_val[direction][xy][1] >> shift + sy;
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draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100);
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}
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}
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}
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if ((s->avctx->debug & FF_DEBUG_VIS_QP) && p->motion_val) {
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uint64_t c = (p->qscale_table[mb_index] * 128 / 31) *
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0x0101010101010101ULL;
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int y;
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for (y = 0; y < block_height; y++) {
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*(uint64_t *)(pict->data[1] + 8 * mb_x +
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(block_height * mb_y + y) *
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pict->linesize[1]) = c;
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*(uint64_t *)(pict->data[2] + 8 * mb_x +
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(block_height * mb_y + y) *
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pict->linesize[2]) = c;
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}
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}
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if ((s->avctx->debug & FF_DEBUG_VIS_MB_TYPE) &&
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p->motion_val) {
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int mb_type = p->mb_type[mb_index];
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uint64_t u,v;
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int y;
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#define COLOR(theta, r) \
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u = (int)(128 + r * cos(theta * 3.141592 / 180)); \
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v = (int)(128 + r * sin(theta * 3.141592 / 180));
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u = v = 128;
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if (IS_PCM(mb_type)) {
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COLOR(120, 48)
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} else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) ||
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IS_INTRA16x16(mb_type)) {
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COLOR(30, 48)
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} else if (IS_INTRA4x4(mb_type)) {
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COLOR(90, 48)
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} else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) {
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// COLOR(120, 48)
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} else if (IS_DIRECT(mb_type)) {
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COLOR(150, 48)
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} else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) {
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COLOR(170, 48)
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} else if (IS_GMC(mb_type)) {
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COLOR(190, 48)
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} else if (IS_SKIP(mb_type)) {
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// COLOR(180, 48)
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} else if (!USES_LIST(mb_type, 1)) {
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COLOR(240, 48)
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} else if (!USES_LIST(mb_type, 0)) {
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COLOR(0, 48)
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} else {
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assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
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COLOR(300,48)
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}
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u *= 0x0101010101010101ULL;
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v *= 0x0101010101010101ULL;
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for (y = 0; y < block_height; y++) {
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*(uint64_t *)(pict->data[1] + 8 * mb_x +
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(block_height * mb_y + y) * pict->linesize[1]) = u;
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*(uint64_t *)(pict->data[2] + 8 * mb_x +
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(block_height * mb_y + y) * pict->linesize[2]) = v;
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}
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// segmentation
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if (IS_8X8(mb_type) || IS_16X8(mb_type)) {
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*(uint64_t *)(pict->data[0] + 16 * mb_x + 0 +
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(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
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*(uint64_t *)(pict->data[0] + 16 * mb_x + 8 +
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(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
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}
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if (IS_8X8(mb_type) || IS_8X16(mb_type)) {
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for (y = 0; y < 16; y++)
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pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) *
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pict->linesize[0]] ^= 0x80;
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}
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if (IS_8X8(mb_type) && mv_sample_log2 >= 2) {
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int dm = 1 << (mv_sample_log2 - 2);
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for (i = 0; i < 4; i++) {
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int sx = mb_x * 16 + 8 * (i & 1);
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int sy = mb_y * 16 + 8 * (i >> 1);
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int xy = (mb_x * 2 + (i & 1) +
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(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
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// FIXME bidir
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int32_t *mv = (int32_t *) &p->motion_val[0][xy];
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if (mv[0] != mv[dm] ||
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mv[dm * mv_stride] != mv[dm * (mv_stride + 1)])
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for (y = 0; y < 8; y++)
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pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80;
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if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)])
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*(uint64_t *)(pict->data[0] + sx + (sy + 4) *
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pict->linesize[0]) ^= 0x8080808080808080ULL;
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}
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}
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if (IS_INTERLACED(mb_type) &&
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s->codec_id == AV_CODEC_ID_H264) {
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// hmm
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}
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}
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s->mbskip_table[mb_index] = 0;
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}
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}
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}
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}
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/**
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@ -340,7 +340,6 @@ typedef struct MpegEncContext {
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Picture *last_picture_ptr; ///< pointer to the previous picture.
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Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
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Picture *current_picture_ptr; ///< pointer to the current picture
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uint8_t *visualization_buffer[3]; ///< temporary buffer vor MV visualization
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int last_dc[3]; ///< last DC values for MPEG1
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int16_t *dc_val_base;
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int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
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