mirror of https://git.videolan.org/git/ffmpeg.git
Move plane decoding code into separate function in Bink decoder
Originally committed as revision 21980 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov
parent
ba3e821414
commit
54d4c0de7c
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@ -672,12 +672,11 @@ static int read_residue(GetBitContext *gb, DCTELEM block[64], int masks_count)
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return 0;
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}
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static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
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static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
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int is_chroma)
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{
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BinkContext * const c = avctx->priv_data;
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GetBitContext gb;
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int blk;
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int i, j, plane, plane_idx, bx, by;
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int i, j, bx, by;
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uint8_t *dst, *prev, *ref, *ref_start, *ref_end;
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int v, col[2];
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const uint8_t *scan;
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@ -685,39 +684,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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DECLARE_ALIGNED_16(DCTELEM, block[64]);
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DECLARE_ALIGNED_16(uint8_t, ublock[64]);
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int coordmap[64];
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int bits_count = pkt->size << 3;
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if(c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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if(avctx->get_buffer(avctx, &c->pic) < 0){
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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}
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init_get_bits(&gb, pkt->data, bits_count);
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if (c->has_alpha) {
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int aplane_bits = get_bits_long(&gb, 32) << 3;
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if (aplane_bits <= 32 || (aplane_bits & 0x1F)) {
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av_log(avctx, AV_LOG_ERROR, "Incorrect alpha plane size %d\n", aplane_bits);
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return -1;
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}
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skip_bits_long(&gb, aplane_bits - 32);
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}
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if (c->version >= 'i')
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skip_bits_long(&gb, 32);
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for (plane = 0; plane < 3; plane++) {
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const int stride = c->pic.linesize[plane];
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int bw = plane ? (avctx->width + 15) >> 4 : (avctx->width + 7) >> 3;
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int bh = plane ? (avctx->height + 15) >> 4 : (avctx->height + 7) >> 3;
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int width = avctx->width >> !!plane;
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const int stride = c->pic.linesize[plane_idx];
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int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
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int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
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int width = c->avctx->width >> is_chroma;
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init_lengths(c, FFMAX(width, 8), bw);
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for (i = 0; i < BINK_NB_SRC; i++)
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read_bundle(&gb, c, i);
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read_bundle(gb, c, i);
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plane_idx = (!plane || !c->swap_planes) ? plane : (plane ^ 3);
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ref_start = c->last.data[plane_idx];
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ref_end = c->last.data[plane_idx]
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+ (bw - 1 + c->last.linesize[plane_idx] * (bh - 1)) * 8;
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@ -726,23 +702,23 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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coordmap[i] = (i & 7) + (i >> 3) * stride;
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for (by = 0; by < bh; by++) {
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if (read_block_types(avctx, &gb, &c->bundle[BINK_SRC_BLOCK_TYPES]) < 0)
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if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_BLOCK_TYPES]) < 0)
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return -1;
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if (read_block_types(avctx, &gb, &c->bundle[BINK_SRC_SUB_BLOCK_TYPES]) < 0)
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if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_SUB_BLOCK_TYPES]) < 0)
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return -1;
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if (read_colors(&gb, &c->bundle[BINK_SRC_COLORS], c) < 0)
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if (read_colors(gb, &c->bundle[BINK_SRC_COLORS], c) < 0)
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return -1;
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if (read_patterns(avctx, &gb, &c->bundle[BINK_SRC_PATTERN]) < 0)
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if (read_patterns(c->avctx, gb, &c->bundle[BINK_SRC_PATTERN]) < 0)
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return -1;
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if (read_motion_values(avctx, &gb, &c->bundle[BINK_SRC_X_OFF]) < 0)
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if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_X_OFF]) < 0)
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return -1;
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if (read_motion_values(avctx, &gb, &c->bundle[BINK_SRC_Y_OFF]) < 0)
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if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_Y_OFF]) < 0)
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return -1;
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if (read_dcs(avctx, &gb, &c->bundle[BINK_SRC_INTRA_DC], DC_START_BITS, 0) < 0)
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if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTRA_DC], DC_START_BITS, 0) < 0)
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return -1;
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if (read_dcs(avctx, &gb, &c->bundle[BINK_SRC_INTER_DC], DC_START_BITS, 1) < 0)
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if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTER_DC], DC_START_BITS, 1) < 0)
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return -1;
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if (read_runs(avctx, &gb, &c->bundle[BINK_SRC_RUN]) < 0)
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if (read_runs(c->avctx, gb, &c->bundle[BINK_SRC_RUN]) < 0)
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return -1;
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if (by == bh)
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@ -766,17 +742,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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blk = get_value(c, BINK_SRC_SUB_BLOCK_TYPES);
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switch (blk) {
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case RUN_BLOCK:
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scan = bink_patterns[get_bits(&gb, 4)];
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scan = bink_patterns[get_bits(gb, 4)];
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i = 0;
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do {
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int run = get_value(c, BINK_SRC_RUN) + 1;
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i += run;
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if (i > 64) {
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av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
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av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
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return -1;
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}
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if (get_bits1(&gb)) {
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if (get_bits1(gb)) {
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v = get_value(c, BINK_SRC_COLORS);
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for (j = 0; j < run; j++)
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ublock[*scan++] = v;
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@ -791,7 +767,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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case INTRA_BLOCK:
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c->dsp.clear_block(block);
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block[0] = get_value(c, BINK_SRC_INTRA_DC);
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read_dct_coeffs(&gb, block, c->scantable.permutated, 1);
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read_dct_coeffs(gb, block, c->scantable.permutated, 1);
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c->dsp.idct(block);
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c->dsp.put_pixels_nonclamped(block, ublock, 8);
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break;
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@ -814,7 +790,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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ublock[i + j*8] = get_value(c, BINK_SRC_COLORS);
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "Incorrect 16x16 block type %d\n", blk);
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av_log(c->avctx, AV_LOG_ERROR, "Incorrect 16x16 block type %d\n", blk);
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return -1;
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}
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if (blk != FILL_BLOCK)
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@ -828,24 +804,24 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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yoff = get_value(c, BINK_SRC_Y_OFF);
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ref = prev + xoff + yoff * stride;
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if (ref < ref_start || ref > ref_end) {
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av_log(avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
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av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
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bx*8 + xoff, by*8 + yoff);
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return -1;
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}
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c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
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break;
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case RUN_BLOCK:
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scan = bink_patterns[get_bits(&gb, 4)];
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scan = bink_patterns[get_bits(gb, 4)];
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i = 0;
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do {
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int run = get_value(c, BINK_SRC_RUN) + 1;
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i += run;
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if (i > 64) {
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av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
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av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
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return -1;
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}
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if (get_bits1(&gb)) {
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if (get_bits1(gb)) {
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v = get_value(c, BINK_SRC_COLORS);
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for (j = 0; j < run; j++)
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dst[coordmap[*scan++]] = v;
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@ -862,20 +838,20 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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yoff = get_value(c, BINK_SRC_Y_OFF);
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ref = prev + xoff + yoff * stride;
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if (ref < ref_start || ref > ref_end) {
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av_log(avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
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av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
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bx*8 + xoff, by*8 + yoff);
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return -1;
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}
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c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
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c->dsp.clear_block(block);
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v = get_bits(&gb, 7);
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read_residue(&gb, block, v);
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v = get_bits(gb, 7);
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read_residue(gb, block, v);
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c->dsp.add_pixels8(dst, block, stride);
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break;
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case INTRA_BLOCK:
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c->dsp.clear_block(block);
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block[0] = get_value(c, BINK_SRC_INTRA_DC);
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read_dct_coeffs(&gb, block, c->scantable.permutated, 1);
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read_dct_coeffs(gb, block, c->scantable.permutated, 1);
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c->dsp.idct_put(dst, stride, block);
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break;
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case FILL_BLOCK:
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@ -889,7 +865,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
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c->dsp.clear_block(block);
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block[0] = get_value(c, BINK_SRC_INTER_DC);
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read_dct_coeffs(&gb, block, c->scantable.permutated, 0);
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read_dct_coeffs(gb, block, c->scantable.permutated, 0);
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c->dsp.idct_add(dst, stride, block);
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break;
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case PATTERN_BLOCK:
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@ -907,13 +883,49 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
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c->bundle[BINK_SRC_COLORS].cur_ptr += 64;
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
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av_log(c->avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
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return -1;
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}
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}
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}
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if (get_bits_count(&gb) & 0x1F) //next plane data starts at 32-bit boundary
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skip_bits_long(&gb, 32 - (get_bits_count(&gb) & 0x1F));
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if (get_bits_count(gb) & 0x1F) //next plane data starts at 32-bit boundary
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skip_bits_long(gb, 32 - (get_bits_count(gb) & 0x1F));
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return 0;
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}
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static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
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{
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BinkContext * const c = avctx->priv_data;
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GetBitContext gb;
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int plane, plane_idx;
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int bits_count = pkt->size << 3;
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if(c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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if(avctx->get_buffer(avctx, &c->pic) < 0){
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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}
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init_get_bits(&gb, pkt->data, bits_count);
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if (c->has_alpha) {
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int aplane_bits = get_bits_long(&gb, 32) << 3;
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if (aplane_bits <= 32 || (aplane_bits & 0x1F)) {
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av_log(avctx, AV_LOG_ERROR, "Incorrect alpha plane size %d\n", aplane_bits);
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return -1;
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}
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skip_bits_long(&gb, aplane_bits - 32);
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}
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if (c->version >= 'i')
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skip_bits_long(&gb, 32);
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for (plane = 0; plane < 3; plane++) {
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plane_idx = (!plane || !c->swap_planes) ? plane : (plane ^ 3);
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if (bink_decode_plane(c, &gb, plane_idx, !!plane) < 0)
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return -1;
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if (get_bits_count(&gb) >= bits_count)
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break;
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}
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