#include "idctdsp.h"
#include "internal.h"
#include "mathops.h"
+#include "mpeg_er.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
block[0] = block[0] * s->y_dc_scale;
else
block[0] = block[0] * s->c_dc_scale;
- /* XXX: only mpeg1 */
+ /* XXX: only MPEG-1 */
quant_matrix = s->intra_matrix;
for(i=1;i<=nCoeffs;i++) {
int j= s->intra_scantable.permutated[i];
}
}
-static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
- int (*mv)[2][4][2],
- int mb_x, int mb_y, int mb_intra, int mb_skipped)
-{
- MpegEncContext *s = opaque;
-
- s->mv_dir = mv_dir;
- s->mv_type = mv_type;
- s->mb_intra = mb_intra;
- s->mb_skipped = mb_skipped;
- s->mb_x = mb_x;
- s->mb_y = mb_y;
- memcpy(s->mv, mv, sizeof(*mv));
-
- ff_init_block_index(s);
- ff_update_block_index(s);
-
- s->bdsp.clear_blocks(s->block[0]);
-
- s->dest[0] = s->current_picture.f->data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;
- s->dest[1] = s->current_picture.f->data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
- s->dest[2] = s->current_picture.f->data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
-
- if (ref)
- av_log(s->avctx, AV_LOG_DEBUG,
- "Interlaced error concealment is not fully implemented\n");
- ff_mpv_decode_mb(s, s->block);
-}
-
/* init common dct for both encoder and decoder */
static av_cold int dct_init(MpegEncContext *s)
{
s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
- if (s->avctx->flags & CODEC_FLAG_BITEXACT)
+ if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
ME_MAP_SIZE * sizeof(uint32_t), fail)
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map,
ME_MAP_SIZE * sizeof(uint32_t), fail)
- if (s->avctx->noise_reduction) {
+ if (s->noise_reduction) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum,
2 * 64 * sizeof(int), fail)
}
s->next_p_frame_damaged = s1->next_p_frame_damaged;
s->workaround_bugs = s1->workaround_bugs;
- // MPEG4 timing info
+ // MPEG-4 timing info
memcpy(&s->last_time_base, &s1->last_time_base,
(char *) &s1->pb_field_time + sizeof(s1->pb_field_time) -
(char *) &s1->last_time_base);
if (s1->bitstream_buffer) {
if (s1->bitstream_buffer_size +
- FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
+ AV_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
av_fast_malloc(&s->bitstream_buffer,
&s->allocated_bitstream_buffer_size,
s1->allocated_bitstream_buffer_size);
memcpy(s->bitstream_buffer, s1->bitstream_buffer,
s1->bitstream_buffer_size);
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
- FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
}
- // linesize dependend scratch buffer allocation
+ // linesize-dependent scratch buffer allocation
if (!s->sc.edge_emu_buffer)
if (s1->linesize) {
if (ff_mpeg_framesize_alloc(s->avctx, &s->me,
return AVERROR_BUG;
}
- // MPEG2/interlacing info
+ // MPEG-2/interlacing info
memcpy(&s->progressive_sequence, &s1->progressive_sequence,
(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
ff_mpv_common_defaults(s);
}
-static int init_er(MpegEncContext *s)
-{
- ERContext *er = &s->er;
- int mb_array_size = s->mb_height * s->mb_stride;
- int i;
-
- er->avctx = s->avctx;
-
- er->mb_index2xy = s->mb_index2xy;
- er->mb_num = s->mb_num;
- er->mb_width = s->mb_width;
- er->mb_height = s->mb_height;
- er->mb_stride = s->mb_stride;
- er->b8_stride = s->b8_stride;
-
- er->er_temp_buffer = av_malloc(s->mb_height * s->mb_stride);
- er->error_status_table = av_mallocz(mb_array_size);
- if (!er->er_temp_buffer || !er->error_status_table)
- goto fail;
-
- er->mbskip_table = s->mbskip_table;
- er->mbintra_table = s->mbintra_table;
-
- for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++)
- er->dc_val[i] = s->dc_val[i];
-
- er->decode_mb = mpeg_er_decode_mb;
- er->opaque = s;
-
- return 0;
-fail:
- av_freep(&er->er_temp_buffer);
- av_freep(&er->error_status_table);
- return AVERROR(ENOMEM);
-}
-
/**
* Initialize and allocates MpegEncContext fields dependent on the resolution.
*/
mb_array_size = s->mb_height * s->mb_stride;
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
- /* set default edge pos, will be overriden
+ /* set default edge pos, will be overridden
* in decode_header if needed */
s->h_edge_pos = s->mb_width * 16;
s->v_edge_pos = s->mb_height * 16;
yc_size = y_size + 2 * c_size;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
- fail); // error ressilience code looks cleaner with this
+ fail); // error resilience code looks cleaner with this
for (y = 0; y < s->mb_height; y++)
for (x = 0; x < s->mb_width; x++)
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
}
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
- (s->avctx->flags & CODEC_FLAG_INTERLACED_ME)) {
+ (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {
/* interlaced direct mode decoding tables */
for (i = 0; i < 2; i++) {
int j, k;
/* init macroblock skip table */
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
- // Note the + 1 is for a quicker mpeg4 slice_end detection
+ // Note the + 1 is for a quicker MPEG-4 slice_end detection
- return init_er(s);
+ return ff_mpeg_er_init(s);
fail:
return AVERROR(ENOMEM);
}
}
/* release forgotten pictures */
- /* if (mpeg124/h263) */
+ /* if (MPEG-124 / H.263) */
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
if (&s->picture[i] != s->last_picture_ptr &&
&s->picture[i] != s->next_picture_ptr &&
s->picture[i].reference && !s->picture[i].needs_realloc) {
- if (!(avctx->active_thread_type & FF_THREAD_FRAME))
- av_log(avctx, AV_LOG_ERROR,
- "releasing zombie picture\n");
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
}
}
s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME;
s->current_picture_ptr->f->pict_type = s->pict_type;
- // if (s->avctx->flags && CODEC_FLAG_QSCALE)
+ // if (s->avctx->flags && AV_CODEC_FLAG_QSCALE)
// s->current_picture_ptr->quality = s->new_picture_ptr->quality;
s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
}
/* set dequantizer, we can't do it during init as
- * it might change for mpeg4 and we can't do it in the header
- * decode as init is not called for mpeg4 there yet */
+ * it might change for MPEG-4 and we can't do it in the header
+ * decode as init is not called for MPEG-4 there yet */
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
/**
* find the lowest MB row referenced in the MVs
*/
-int ff_mpv_lowest_referenced_row(MpegEncContext *s, int dir)
+static int lowest_referenced_row(MpegEncContext *s, int dir)
{
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
int my, off, i, mvs;
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
s->mbintra_table[mb_xy]=1;
- if ((s->avctx->flags & CODEC_FLAG_PSNR) ||
+ if ((s->avctx->flags & AV_CODEC_FLAG_PSNR) ||
!(s->encoding && (s->intra_only || s->pict_type == AV_PICTURE_TYPE_B) &&
s->avctx->mb_decision != FF_MB_DECISION_RD)) { // FIXME precalc
uint8_t *dest_y, *dest_cb, *dest_cr;
if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
if (s->mv_dir & MV_DIR_FORWARD) {
ff_thread_await_progress(&s->last_picture_ptr->tf,
- ff_mpv_lowest_referenced_row(s, 0),
+ lowest_referenced_row(s, 0),
0);
}
if (s->mv_dir & MV_DIR_BACKWARD) {
ff_thread_await_progress(&s->next_picture_ptr->tf,
- ff_mpv_lowest_referenced_row(s, 1),
+ lowest_referenced_row(s, 1),
0);
}
}
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
- if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+ if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
if (s->chroma_y_shift){
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize);
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
- if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+ if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
if(s->chroma_y_shift){//Chroma420
add_dct(s, block[4], 4, dest_cb, uvlinesize);
add_dct(s, block[5], 5, dest_cr, uvlinesize);
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
- if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+ if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
if(s->chroma_y_shift){
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
s->idsp.idct_put(dest_y + dct_offset, dct_linesize, block[2]);
s->idsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
- if (!CONFIG_GRAY || !(s->avctx->flags & CODEC_FLAG_GRAY)) {
+ if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
if(s->chroma_y_shift){
s->idsp.idct_put(dest_cb, uvlinesize, block[4]);
s->idsp.idct_put(dest_cr, uvlinesize, block[5]);
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
//block_index is not used by mpeg2, so it is not affected by chroma_format
- s->dest[0] = s->current_picture.f->data[0] + ((s->mb_x - 1) << mb_size);
- s->dest[1] = s->current_picture.f->data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
- s->dest[2] = s->current_picture.f->data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
+ s->dest[0] = s->current_picture.f->data[0] + (s->mb_x - 1) * (1 << mb_size);
+ s->dest[1] = s->current_picture.f->data[1] + (s->mb_x - 1) * (1 << (mb_size - s->chroma_x_shift));
+ s->dest[2] = s->current_picture.f->data[2] + (s->mb_x - 1) * (1 << (mb_size - s->chroma_x_shift));
if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
{
}
}
-/**
- * Permute an 8x8 block.
- * @param block the block which will be permuted according to the given permutation vector
- * @param permutation the permutation vector
- * @param last the last non zero coefficient in scantable order, used to speed the permutation up
- * @param scantable the used scantable, this is only used to speed the permutation up, the block is not
- * (inverse) permutated to scantable order!
- */
-void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last)
-{
- int i;
- int16_t temp[64];
-
- if(last<=0) return;
- //if(permutation[1]==1) return; //FIXME it is ok but not clean and might fail for some permutations
-
- for(i=0; i<=last; i++){
- const int j= scantable[i];
- temp[j]= block[j];
- block[j]=0;
- }
-
- for(i=0; i<=last; i++){
- const int j= scantable[i];
- const int perm_j= permutation[j];
- block[perm_j]= temp[j];
- }
-}
-
void ff_mpeg_flush(AVCodecContext *avctx){
int i;
MpegEncContext *s = avctx->priv_data;
projects / ffmpeg / blobdiff