*/
#include "libavutil/internal.h"
+#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "internal.h"
#include "put_bits.h"
#include "simple_idct.h"
#include "dvdata.h"
+#include "dv.h"
typedef struct BlockInfo {
const uint32_t *factor_table;
if (DV_PROFILE_IS_HD(s->sys)) {
mb->idct_put = s->idct_put[0];
mb->scan_table = s->dv_zigzag[0];
- mb->factor_table = &s->sys->idct_factor[(j >= 4)*4*16*64 + class1*16*64 + quant*64];
+ mb->factor_table = &s->idct_factor[(j >= 4)*4*16*64 + class1*16*64 + quant*64];
is_field_mode[mb_index] |= !j && dct_mode;
} else {
mb->idct_put = s->idct_put[dct_mode && log2_blocksize == 3];
mb->scan_table = s->dv_zigzag[dct_mode];
- mb->factor_table = &s->sys->idct_factor[(class1 == 3)*2*22*64 + dct_mode*22*64 +
+ mb->factor_table = &s->idct_factor[(class1 == 3)*2*22*64 + dct_mode*22*64 +
(quant + ff_dv_quant_offset[class1])*64];
}
dc = dc << 2;
if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||
(s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) ||
(s->sys->height >= 720 && mb_y != 134)) {
- y_stride = (s->picture.linesize[0] << ((!is_field_mode[mb_index]) * log2_blocksize));
+ y_stride = (s->frame->linesize[0] << ((!is_field_mode[mb_index]) * log2_blocksize));
} else {
y_stride = (2 << log2_blocksize);
}
- y_ptr = s->picture.data[0] + ((mb_y * s->picture.linesize[0] + mb_x) << log2_blocksize);
- linesize = s->picture.linesize[0] << is_field_mode[mb_index];
+ y_ptr = s->frame->data[0] + ((mb_y * s->frame->linesize[0] + mb_x) << log2_blocksize);
+ linesize = s->frame->linesize[0] << is_field_mode[mb_index];
mb[0] .idct_put(y_ptr , linesize, block + 0*64);
if (s->sys->video_stype == 4) { /* SD 422 */
mb[2].idct_put(y_ptr + (1 << log2_blocksize) , linesize, block + 2*64);
block += 4*64;
/* idct_put'ting chrominance */
- c_offset = (((mb_y >> (s->sys->pix_fmt == AV_PIX_FMT_YUV420P)) * s->picture.linesize[1] +
+ c_offset = (((mb_y >> (s->sys->pix_fmt == AV_PIX_FMT_YUV420P)) * s->frame->linesize[1] +
(mb_x >> ((s->sys->pix_fmt == AV_PIX_FMT_YUV411P) ? 2 : 1))) << log2_blocksize);
for (j = 2; j; j--) {
- uint8_t *c_ptr = s->picture.data[j] + c_offset;
+ uint8_t *c_ptr = s->frame->data[j] + c_offset;
if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) {
uint64_t aligned_pixels[64/8];
uint8_t *pixels = (uint8_t*)aligned_pixels;
uint8_t *c_ptr1, *ptr1;
int x, y;
mb->idct_put(pixels, 8, block);
- for (y = 0; y < (1 << log2_blocksize); y++, c_ptr += s->picture.linesize[j], pixels += 8) {
+ for (y = 0; y < (1 << log2_blocksize); y++, c_ptr += s->frame->linesize[j], pixels += 8) {
ptr1 = pixels + (1 << (log2_blocksize - 1));
- c_ptr1 = c_ptr + (s->picture.linesize[j] << log2_blocksize);
+ c_ptr1 = c_ptr + (s->frame->linesize[j] << log2_blocksize);
for (x = 0; x < (1 << (log2_blocksize - 1)); x++) {
c_ptr[x] = pixels[x];
c_ptr1[x] = ptr1[x];
block += 64; mb++;
} else {
y_stride = (mb_y == 134) ? (1 << log2_blocksize) :
- s->picture.linesize[j] << ((!is_field_mode[mb_index]) * log2_blocksize);
- linesize = s->picture.linesize[j] << is_field_mode[mb_index];
+ s->frame->linesize[j] << ((!is_field_mode[mb_index]) * log2_blocksize);
+ linesize = s->frame->linesize[j] << is_field_mode[mb_index];
(mb++)-> idct_put(c_ptr , linesize, block); block += 64;
if (s->sys->bpm == 8) {
(mb++)->idct_put(c_ptr + y_stride, linesize, block); block += 64;
int buf_size = avpkt->size;
DVVideoContext *s = avctx->priv_data;
const uint8_t* vsc_pack;
- int apt, is16_9;
+ int apt, is16_9, ret;
+ const DVprofile *sys;
- s->sys = avpriv_dv_frame_profile(s->sys, buf, buf_size);
- if (!s->sys || buf_size < s->sys->frame_size || ff_dv_init_dynamic_tables(s->sys)) {
+ sys = avpriv_dv_frame_profile(s->sys, buf, buf_size);
+ if (!sys || buf_size < sys->frame_size) {
av_log(avctx, AV_LOG_ERROR, "could not find dv frame profile\n");
return -1; /* NOTE: we only accept several full frames */
}
- s->picture.key_frame = 1;
- s->picture.pict_type = AV_PICTURE_TYPE_I;
+ if (sys != s->sys) {
+ ret = ff_dv_init_dynamic_tables(s, sys);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error initializing the work tables.\n");
+ return ret;
+ }
+ s->sys = sys;
+ }
+
+ s->frame = data;
+ s->frame->key_frame = 1;
+ s->frame->pict_type = AV_PICTURE_TYPE_I;
avctx->pix_fmt = s->sys->pix_fmt;
avctx->time_base = s->sys->time_base;
- avcodec_set_dimensions(avctx, s->sys->width, s->sys->height);
- if (ff_get_buffer(avctx, &s->picture, 0) < 0) {
+
+ ret = ff_set_dimensions(avctx, s->sys->width, s->sys->height);
+ if (ret < 0)
+ return ret;
+
+ /* Determine the codec's sample_aspect ratio from the packet */
+ vsc_pack = buf + 80*5 + 48 + 5;
+ if ( *vsc_pack == dv_video_control ) {
+ apt = buf[4] & 0x07;
+ is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07)));
+ ff_set_sar(avctx, s->sys->sar[is16_9]);
+ }
+
+ if (ff_get_buffer(avctx, s->frame, 0) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
- s->picture.interlaced_frame = 1;
- s->picture.top_field_first = 0;
+ s->frame->interlaced_frame = 1;
+ s->frame->top_field_first = 0;
s->buf = buf;
- avctx->execute(avctx, dv_decode_video_segment, s->sys->work_chunks, NULL,
+ avctx->execute(avctx, dv_decode_video_segment, s->work_chunks, NULL,
dv_work_pool_size(s->sys), sizeof(DVwork_chunk));
emms_c();
/* return image */
*got_frame = 1;
- av_frame_move_ref(data, &s->picture);
-
- /* Determine the codec's sample_aspect ratio from the packet */
- vsc_pack = buf + 80*5 + 48 + 5;
- if ( *vsc_pack == dv_video_control ) {
- apt = buf[4] & 0x07;
- is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07)));
- avctx->sample_aspect_ratio = s->sys->sar[is16_9];
- }
return s->sys->frame_size;
}
-static int dvvideo_close(AVCodecContext *c)
-{
- DVVideoContext *s = c->priv_data;
-
- av_frame_unref(&s->picture);
-
- return 0;
-}
-
AVCodec ff_dvvideo_decoder = {
.name = "dvvideo",
.long_name = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
.id = AV_CODEC_ID_DVVIDEO,
.priv_data_size = sizeof(DVVideoContext),
.init = ff_dvvideo_init,
- .close = dvvideo_close,
.decode = dvvideo_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
};
projects / ffmpeg / blobdiff