#include "avcodec.h"
#include "bytestream.h"
-
+#include "internal.h"
+#include "h264chroma.h"
#include "vp56.h"
#include "vp56data.h"
s->quantizer = quantizer;
s->dequant_dc = vp56_dc_dequant[quantizer] << 2;
s->dequant_ac = vp56_ac_dequant[quantizer] << 2;
- memset(s->qscale_table, quantizer, s->mb_width);
}
static int vp56_get_vectors_predictors(VP56Context *s, int row, int col,
s->macroblocks[row * s->mb_width + col].mv = s->mv[3];
/* chroma vectors are average luma vectors */
- if (s->avctx->codec->id == CODEC_ID_VP5) {
+ if (s->avctx->codec->id == AV_CODEC_ID_VP5) {
s->mv[4].x = s->mv[5].x = RSHIFT(mv.x,2);
s->mv[4].y = s->mv[5].y = RSHIFT(mv.y,2);
} else {
for (b=0; b<6; b++) {
VP56RefDc *ab = &s->above_blocks[s->above_block_idx[b]];
- VP56RefDc *lb = &s->left_block[vp56_b6to4[b]];
+ VP56RefDc *lb = &s->left_block[ff_vp56_b6to4[b]];
int count = 0;
int dc = 0;
int i;
dc += ab->dc_coeff;
count++;
}
- if (s->avctx->codec->id == CODEC_ID_VP5)
+ if (s->avctx->codec->id == AV_CODEC_ID_VP5)
for (i=0; i<2; i++)
if (count < 2 && ref_frame == ab[-1+2*i].ref_frame) {
dc += ab[-1+2*i].dc_coeff;
count++;
}
if (count == 0)
- dc = s->prev_dc[vp56_b2p[b]][ref_frame];
+ dc = s->prev_dc[ff_vp56_b2p[b]][ref_frame];
else if (count == 2)
dc /= 2;
s->block_coeff[b][idx] += dc;
- s->prev_dc[vp56_b2p[b]][ref_frame] = s->block_coeff[b][idx];
+ s->prev_dc[ff_vp56_b2p[b]][ref_frame] = s->block_coeff[b][idx];
ab->dc_coeff = s->block_coeff[b][idx];
ab->ref_frame = ref_frame;
lb->dc_coeff = s->block_coeff[b][idx];
static void vp56_mc(VP56Context *s, int b, int plane, uint8_t *src,
int stride, int x, int y)
{
- uint8_t *dst=s->framep[VP56_FRAME_CURRENT]->data[plane]+s->block_offset[b];
+ uint8_t *dst = s->frames[VP56_FRAME_CURRENT]->data[plane] + s->block_offset[b];
uint8_t *src_block;
int src_offset;
int overlap_offset = 0;
if (s->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY
- && !s->framep[VP56_FRAME_CURRENT]->key_frame))
+ && !s->frames[VP56_FRAME_CURRENT]->key_frame))
deblock_filtering = 0;
dx = s->mv[b].x / s->vp56_coord_div[b];
if (x<0 || x+12>=s->plane_width[plane] ||
y<0 || y+12>=s->plane_height[plane]) {
- s->dsp.emulated_edge_mc(s->edge_emu_buffer,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
src + s->block_offset[b] + (dy-2)*stride + (dx-2),
stride, 12, 12, x, y,
s->plane_width[plane],
s->filter(s, dst, src_block, src_offset, src_offset+overlap_offset,
stride, s->mv[b], mask, s->filter_selection, b<4);
else
- s->dsp.put_no_rnd_pixels_l2[1](dst, src_block+src_offset,
+ s->vp3dsp.put_no_rnd_pixels_l2(dst, src_block+src_offset,
src_block+src_offset+overlap_offset,
stride, 8);
} else {
VP56Frame ref_frame;
int b, ab, b_max, plane, off;
- if (s->framep[VP56_FRAME_CURRENT]->key_frame)
+ if (s->frames[VP56_FRAME_CURRENT]->key_frame)
mb_type = VP56_MB_INTRA;
else
mb_type = vp56_decode_mv(s, row, col);
ref_frame = vp56_reference_frame[mb_type];
- s->dsp.clear_blocks(*s->block_coeff);
-
s->parse_coeff(s);
vp56_add_predictors_dc(s, ref_frame);
- frame_current = s->framep[VP56_FRAME_CURRENT];
- frame_ref = s->framep[ref_frame];
+ frame_current = s->frames[VP56_FRAME_CURRENT];
+ frame_ref = s->frames[ref_frame];
if (mb_type != VP56_MB_INTRA && !frame_ref->data[0])
return;
switch (mb_type) {
case VP56_MB_INTRA:
for (b=0; b<b_max; b++) {
- plane = vp56_b2p[b+ab];
- s->dsp.idct_put(frame_current->data[plane] + s->block_offset[b],
+ plane = ff_vp56_b2p[b+ab];
+ s->vp3dsp.idct_put(frame_current->data[plane] + s->block_offset[b],
s->stride[plane], s->block_coeff[b]);
}
break;
case VP56_MB_INTER_NOVEC_PF:
case VP56_MB_INTER_NOVEC_GF:
for (b=0; b<b_max; b++) {
- plane = vp56_b2p[b+ab];
+ plane = ff_vp56_b2p[b+ab];
off = s->block_offset[b];
s->dsp.put_pixels_tab[1][0](frame_current->data[plane] + off,
frame_ref->data[plane] + off,
s->stride[plane], 8);
- s->dsp.idct_add(frame_current->data[plane] + off,
+ s->vp3dsp.idct_add(frame_current->data[plane] + off,
s->stride[plane], s->block_coeff[b]);
}
break;
for (b=0; b<b_max; b++) {
int x_off = b==1 || b==3 ? 8 : 0;
int y_off = b==2 || b==3 ? 8 : 0;
- plane = vp56_b2p[b+ab];
+ plane = ff_vp56_b2p[b+ab];
vp56_mc(s, b, plane, frame_ref->data[plane], s->stride[plane],
16*col+x_off, 16*row+y_off);
- s->dsp.idct_add(frame_current->data[plane] + s->block_offset[b],
+ s->vp3dsp.idct_add(frame_current->data[plane] + s->block_offset[b],
s->stride[plane], s->block_coeff[b]);
}
break;
}
+
+ if (is_alpha) {
+ s->block_coeff[4][0] = 0;
+ s->block_coeff[5][0] = 0;
+ }
}
static int vp56_size_changed(AVCodecContext *avctx)
{
VP56Context *s = avctx->priv_data;
- int stride = s->framep[VP56_FRAME_CURRENT]->linesize[0];
+ int stride = s->frames[VP56_FRAME_CURRENT]->linesize[0];
int i;
s->plane_width[0] = s->plane_width[3] = avctx->coded_width;
s->plane_height[1] = s->plane_height[2] = avctx->coded_height/2;
for (i=0; i<4; i++)
- s->stride[i] = s->flip * s->framep[VP56_FRAME_CURRENT]->linesize[i];
+ s->stride[i] = s->flip * s->frames[VP56_FRAME_CURRENT]->linesize[i];
s->mb_width = (avctx->coded_width +15) / 16;
s->mb_height = (avctx->coded_height+15) / 16;
if (s->mb_width > 1000 || s->mb_height > 1000) {
+ avcodec_set_dimensions(avctx, 0, 0);
av_log(avctx, AV_LOG_ERROR, "picture too big\n");
return -1;
}
- s->qscale_table = av_realloc(s->qscale_table, s->mb_width);
s->above_blocks = av_realloc(s->above_blocks,
(4*s->mb_width+6) * sizeof(*s->above_blocks));
s->macroblocks = av_realloc(s->macroblocks,
return 0;
}
-int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
+int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
VP56Context *s = avctx->priv_data;
- AVFrame *const p = s->framep[VP56_FRAME_CURRENT];
+ AVFrame *const p = s->frames[VP56_FRAME_CURRENT];
int remaining_buf_size = avpkt->size;
int is_alpha, av_uninit(alpha_offset);
+ int res;
if (s->has_alpha) {
if (remaining_buf_size < 3)
int mb_row, mb_col, mb_row_flip, mb_offset = 0;
int block, y, uv, stride_y, stride_uv;
int golden_frame = 0;
- int res;
s->modelp = &s->models[is_alpha];
res = s->parse_header(s, buf, remaining_buf_size, &golden_frame);
- if (!res)
- return -1;
+ if (res < 0) {
+ int i;
+ for (i = 0; i < 4; i++)
+ av_frame_unref(s->frames[i]);
+ return res;
+ }
+
+ if (res == VP56_SIZE_CHANGE) {
+ int i;
+ for (i = 0; i < 4; i++)
+ av_frame_unref(s->frames[i]);
+ if (is_alpha) {
+ avcodec_set_dimensions(avctx, 0, 0);
+ return -1;
+ }
+ }
if (!is_alpha) {
- p->reference = 1;
- if (avctx->get_buffer(avctx, p) < 0) {
+ if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
- if (res == 2)
+ if (res == VP56_SIZE_CHANGE)
if (vp56_size_changed(avctx)) {
- avctx->release_buffer(avctx, p);
+ av_frame_unref(p);
return -1;
}
}
s->mb_type = VP56_MB_INTER_NOVEC_PF;
}
- s->parse_coeff_models(s);
+ if (s->parse_coeff_models(s))
+ goto next;
memset(s->prev_dc, 0, sizeof(s->prev_dc));
s->prev_dc[1][VP56_FRAME_CURRENT] = 128;
}
}
+ next:
if (p->key_frame || golden_frame) {
- if (s->framep[VP56_FRAME_GOLDEN]->data[0] &&
- s->framep[VP56_FRAME_GOLDEN] != s->framep[VP56_FRAME_GOLDEN2])
- avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN]);
- s->framep[VP56_FRAME_GOLDEN] = p;
+ av_frame_unref(s->frames[VP56_FRAME_GOLDEN]);
+ if ((res = av_frame_ref(s->frames[VP56_FRAME_GOLDEN], p)) < 0)
+ return res;
}
if (s->has_alpha) {
- FFSWAP(AVFrame *, s->framep[VP56_FRAME_GOLDEN],
- s->framep[VP56_FRAME_GOLDEN2]);
+ FFSWAP(AVFrame *, s->frames[VP56_FRAME_GOLDEN],
+ s->frames[VP56_FRAME_GOLDEN2]);
buf += alpha_offset;
remaining_buf_size -= alpha_offset;
}
}
- if (s->framep[VP56_FRAME_PREVIOUS] == s->framep[VP56_FRAME_GOLDEN] ||
- s->framep[VP56_FRAME_PREVIOUS] == s->framep[VP56_FRAME_GOLDEN2]) {
- if (s->framep[VP56_FRAME_UNUSED] != s->framep[VP56_FRAME_GOLDEN] &&
- s->framep[VP56_FRAME_UNUSED] != s->framep[VP56_FRAME_GOLDEN2])
- FFSWAP(AVFrame *, s->framep[VP56_FRAME_PREVIOUS],
- s->framep[VP56_FRAME_UNUSED]);
- else
- FFSWAP(AVFrame *, s->framep[VP56_FRAME_PREVIOUS],
- s->framep[VP56_FRAME_UNUSED2]);
- } else if (s->framep[VP56_FRAME_PREVIOUS]->data[0])
- avctx->release_buffer(avctx, s->framep[VP56_FRAME_PREVIOUS]);
- FFSWAP(AVFrame *, s->framep[VP56_FRAME_CURRENT],
- s->framep[VP56_FRAME_PREVIOUS]);
-
- p->qstride = 0;
- p->qscale_table = s->qscale_table;
- p->qscale_type = FF_QSCALE_TYPE_VP56;
- *(AVFrame*)data = *p;
- *data_size = sizeof(AVFrame);
+ av_frame_unref(s->frames[VP56_FRAME_PREVIOUS]);
+ FFSWAP(AVFrame *, s->frames[VP56_FRAME_CURRENT],
+ s->frames[VP56_FRAME_PREVIOUS]);
+
+ if ((res = av_frame_ref(data, p)) < 0)
+ return res;
+ *got_frame = 1;
return avpkt->size;
}
-av_cold void ff_vp56_init(AVCodecContext *avctx, int flip, int has_alpha)
+av_cold int ff_vp56_init(AVCodecContext *avctx, int flip, int has_alpha)
{
VP56Context *s = avctx->priv_data;
int i;
s->avctx = avctx;
- avctx->pix_fmt = has_alpha ? PIX_FMT_YUVA420P : PIX_FMT_YUV420P;
+ avctx->pix_fmt = has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;
- if (avctx->idct_algo == FF_IDCT_AUTO)
- avctx->idct_algo = FF_IDCT_VP3;
- dsputil_init(&s->dsp, avctx);
+ ff_dsputil_init(&s->dsp, avctx);
+ ff_h264chroma_init(&s->h264chroma, 8);
+ ff_videodsp_init(&s->vdsp, 8);
+ ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
+ ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);
- for (i=0; i<4; i++)
- s->framep[i] = &s->frames[i];
- s->framep[VP56_FRAME_UNUSED] = s->framep[VP56_FRAME_GOLDEN];
- s->framep[VP56_FRAME_UNUSED2] = s->framep[VP56_FRAME_GOLDEN2];
+ for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
+ s->frames[i] = av_frame_alloc();
+ if (!s->frames[i]) {
+ ff_vp56_free(avctx);
+ return AVERROR(ENOMEM);
+ }
+ }
s->edge_emu_buffer_alloc = NULL;
s->above_blocks = NULL;
s->frbi = 0;
s->srbi = 2;
}
+
+ return 0;
}
av_cold int ff_vp56_free(AVCodecContext *avctx)
{
VP56Context *s = avctx->priv_data;
+ int i;
- av_freep(&s->qscale_table);
av_freep(&s->above_blocks);
av_freep(&s->macroblocks);
av_freep(&s->edge_emu_buffer_alloc);
- if (s->framep[VP56_FRAME_GOLDEN]->data[0])
- avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN]);
- if (s->framep[VP56_FRAME_GOLDEN2]->data[0])
- avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN2]);
- if (s->framep[VP56_FRAME_PREVIOUS]->data[0])
- avctx->release_buffer(avctx, s->framep[VP56_FRAME_PREVIOUS]);
+
+ for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
+ av_frame_free(&s->frames[i]);
+
return 0;
}
projects / ffmpeg / blobdiff