*
* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/internal.h"
#include "avcodec.h"
#include "dsputil.h"
+#include "h264chroma.h"
#include "internal.h"
#include "mathops.h"
#include "mpegvideo.h"
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);
- assert(ref == 0);
+ if (ref)
+ av_log(s->avctx, AV_LOG_DEBUG, "Interlaced error concealment is not fully implemented\n");
ff_MPV_decode_mb(s, s->block);
}
av_cold int ff_dct_common_init(MpegEncContext *s)
{
ff_dsputil_init(&s->dsp, s->avctx);
+ ff_h264chroma_init(&s->h264chroma, 8); //for lowres
ff_hpeldsp_init(&s->hdsp, s->avctx->flags);
ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample);
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
+ if (ARCH_ALPHA)
+ ff_MPV_common_init_axp(s);
if (ARCH_ARM)
ff_MPV_common_init_arm(s);
if (ARCH_BFIN)
int ff_mpv_frame_size_alloc(MpegEncContext *s, int linesize)
{
- int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
+ int alloc_size = FFALIGN(FFABS(linesize) + 64, 32);
// edge emu needs blocksize + filter length - 1
// (= 17x17 for halfpel / 21x21 for h264)
// VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9
// at uvlinesize. It supports only YUV420 so 24x24 is enough
// linesize * interlaced * MBsize
- FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 2 * 24,
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 24,
fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 2 * 16 * 3,
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 4 * 16 * 2,
fail)
s->me.temp = s->me.scratchpad;
s->rd_scratchpad = s->me.scratchpad;
{
int i;
+ pic->alloc_mb_width =
+ pic->alloc_mb_height = 0;
+
av_buffer_unref(&pic->mb_var_buf);
av_buffer_unref(&pic->mc_mb_var_buf);
av_buffer_unref(&pic->mb_mean_buf);
return AVERROR(ENOMEM);
}
- if (s->out_format == FMT_H263 || s->encoding) {
+ if (s->out_format == FMT_H263 || s->encoding || s->avctx->debug_mv) {
int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t);
int ref_index_size = 4 * mb_array_size;
}
}
+ pic->alloc_mb_width = s->mb_width;
+ pic->alloc_mb_height = s->mb_height;
+
return 0;
}
{
int i, ret;
+ if (pic->qscale_table_buf)
+ if ( pic->alloc_mb_width != s->mb_width
+ || pic->alloc_mb_height != s->mb_height)
+ free_picture_tables(pic);
+
if (shared) {
- assert(pic->f.data[0]);
+ av_assert0(pic->f.data[0]);
pic->shared = 1;
} else {
- assert(!pic->f.buf[0]);
+ av_assert0(!pic->f.buf[0]);
if (alloc_frame_buffer(s, pic) < 0)
return -1;
dst->ref_index[i] = src->ref_index[i];
}
+ dst->alloc_mb_width = src->alloc_mb_width;
+ dst->alloc_mb_height = src->alloc_mb_height;
+
return 0;
}
int i, ret;
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
- if (dst == src || !s1->context_initialized)
+ if (dst == src)
return 0;
+ av_assert0(s != s1);
+
// FIXME can parameters change on I-frames?
// in that case dst may need a reinit
if (!s->context_initialized) {
s->bitstream_buffer = NULL;
s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
- ff_MPV_common_init(s);
+ if (s1->context_initialized){
+// s->picture_range_start += MAX_PICTURE_COUNT;
+// s->picture_range_end += MAX_PICTURE_COUNT;
+ if((ret = ff_MPV_common_init(s)) < 0){
+ memset(s, 0, sizeof(MpegEncContext));
+ s->avctx = dst;
+ return ret;
+ }
+ }
}
if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
- int err;
s->context_reinit = 0;
s->height = s1->height;
s->width = s1->width;
- if ((err = ff_MPV_common_frame_size_change(s)) < 0)
- return err;
+ if ((ret = ff_MPV_common_frame_size_change(s)) < 0)
+ return ret;
}
s->avctx->coded_height = s1->avctx->coded_height;
s->picture_number = s1->picture_number;
s->input_picture_number = s1->input_picture_number;
+ av_assert0(!s->picture || s->picture != s1->picture);
+ if(s->picture)
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
ff_mpeg_unref_picture(s, &s->picture[i]);
if (s1->picture[i].f.buf[0] &&
// Error/bug resilience
s->next_p_frame_damaged = s1->next_p_frame_damaged;
s->workaround_bugs = s1->workaround_bugs;
+ s->padding_bug_score = s1->padding_bug_score;
// MPEG4 timing info
memcpy(&s->last_time_base, &s1->last_time_base,
} else {
av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not "
"be allocated due to unknown size.\n");
- return AVERROR_BUG;
}
// MPEG2/interlacing info
c_size = s->mb_stride * (s->mb_height + 1);
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
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience 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;
- s->mb_index2xy[s->mb_height * s->mb_width] =
- (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
+ s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
if (s->encoding) {
/* Allocate MV tables */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
- s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
- s->mb_stride + 1;
- s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
- s->mb_stride + 1;
+ s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
+ s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1;
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
/* Allocate MB type table */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
- sizeof(uint16_t), fail); // needed for encoding
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding
- FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
- sizeof(int), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail)
FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
mb_array_size * sizeof(float), fail);
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
s->mb_stride + 1;
}
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
- mb_array_size * 2 * sizeof(uint8_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
- mv_table_size * 2 * sizeof(int16_t), fail);
- s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
- + s->mb_stride + 1;
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail)
+ s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
}
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
- mb_array_size * 2 * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail)
}
}
if (s->out_format == FMT_H263) {
s->coded_block = s->coded_block_base + s->b8_stride + 1;
/* cbp, ac_pred, pred_dir */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
- mb_array_size * sizeof(uint8_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
- mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail);
}
if (s->h263_pred || s->h263_plus || !s->encoding) {
/* dc values */
// MN: we need these for error resilience of intra-frames
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
- yc_size * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail);
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
s->flags2 = s->avctx->flags2;
/* set chroma shifts */
- av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
- &s->chroma_x_shift,
- &s->chroma_y_shift);
+ avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,
+ &s->chroma_x_shift,
+ &s->chroma_y_shift);
/* convert fourcc to upper case */
s->codec_tag = avpriv_toupper4(s->avctx->codec_tag);
s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag);
- if (s->width && s->height) {
- s->avctx->coded_frame = &s->current_picture.f;
+ s->avctx->coded_frame = &s->current_picture.f;
- if (s->encoding) {
- if (s->msmpeg4_version) {
- FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
- 2 * 2 * (MAX_LEVEL + 1) *
- (MAX_RUN + 1) * 2 * sizeof(int), fail);
- }
- FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
-
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,
- 64 * 32 * sizeof(int), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,
- 64 * 32 * sizeof(int), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16,
- 64 * 32 * 2 * sizeof(uint16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16,
- 64 * 32 * 2 * sizeof(uint16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture,
- MAX_PICTURE_COUNT * sizeof(Picture *), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
- MAX_PICTURE_COUNT * sizeof(Picture *), fail);
-
- if (s->avctx->noise_reduction) {
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
- 2 * 64 * sizeof(uint16_t), fail);
- }
+ if (s->encoding) {
+ if (s->msmpeg4_version) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
+ 2 * 2 * (MAX_LEVEL + 1) *
+ (MAX_RUN + 1) * 2 * sizeof(int), fail);
+ }
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
+
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail)
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail)
+
+ if (s->avctx->noise_reduction) {
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail);
}
}
avcodec_get_frame_defaults(&s->last_picture.f);
avcodec_get_frame_defaults(&s->current_picture.f);
- if (s->width && s->height) {
if (init_context_frame(s))
goto fail;
s->parse_context.state = -1;
- }
- s->context_initialized = 1;
- s->thread_context[0] = s;
+ s->context_initialized = 1;
+ s->thread_context[0] = s;
- if (s->width && s->height) {
+// if (s->width && s->height) {
if (nb_slices > 1) {
for (i = 1; i < nb_slices; i++) {
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
s->end_mb_y = s->mb_height;
}
s->slice_context_count = nb_slices;
- }
+// }
return 0;
fail:
av_freep(&s->er.er_temp_buffer);
av_freep(&s->mb_index2xy);
av_freep(&s->lambda_table);
+
av_freep(&s->cplx_tab);
av_freep(&s->bits_tab);
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
}
} else {
- if (init_duplicate_context(s) < 0)
+ err = init_duplicate_context(s);
+ if (err < 0)
goto fail;
s->start_mb_y = 0;
s->end_mb_y = s->mb_height;
av_freep(&s->avctx->stats_out);
av_freep(&s->ac_stats);
+ if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
+ if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
+ s->q_chroma_intra_matrix= NULL;
+ s->q_chroma_intra_matrix16= NULL;
av_freep(&s->q_intra_matrix);
av_freep(&s->q_inter_matrix);
av_freep(&s->q_intra_matrix16);
static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
{
+ if (pic == s->last_picture_ptr)
+ return 0;
if (pic->f.buf[0] == NULL)
return 1;
if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
if (shared) {
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- if (s->picture[i].f.buf[0] == NULL)
+ if (s->picture[i].f.buf[0] == NULL && &s->picture[i] != s->last_picture_ptr)
return i;
}
} else {
}
}
- return AVERROR_INVALIDDATA;
+ av_log(s->avctx, AV_LOG_FATAL,
+ "Internal error, picture buffer overflow\n");
+ /* We could return -1, but the codec would crash trying to draw into a
+ * non-existing frame anyway. This is safer than waiting for a random crash.
+ * Also the return of this is never useful, an encoder must only allocate
+ * as much as allowed in the specification. This has no relationship to how
+ * much libavcodec could allocate (and MAX_PICTURE_COUNT is always large
+ * enough for such valid streams).
+ * Plus, a decoder has to check stream validity and remove frames if too
+ * many reference frames are around. Waiting for "OOM" is not correct at
+ * all. Similarly, missing reference frames have to be replaced by
+ * interpolated/MC frames, anything else is a bug in the codec ...
+ */
+ abort();
+ return -1;
}
int ff_find_unused_picture(MpegEncContext *s, int shared)
Picture *pic;
s->mb_skipped = 0;
+ if (!ff_thread_can_start_frame(avctx)) {
+ av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
+ return -1;
+ }
+
/* mark & release old frames */
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
s->last_picture_ptr != s->next_picture_ptr &&
int h_chroma_shift, v_chroma_shift;
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
&h_chroma_shift, &v_chroma_shift);
- if (s->pict_type != AV_PICTURE_TYPE_I)
+ if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture_ptr && s->next_picture_ptr->f.buf[0])
+ av_log(avctx, AV_LOG_DEBUG,
+ "allocating dummy last picture for B frame\n");
+ else if (s->pict_type != AV_PICTURE_TYPE_I)
av_log(avctx, AV_LOG_ERROR,
"warning: first frame is no keyframe\n");
else if (s->picture_structure != PICT_FRAME)
- av_log(avctx, AV_LOG_INFO,
+ av_log(avctx, AV_LOG_DEBUG,
"allocate dummy last picture for field based first keyframe\n");
/* Allocate a dummy frame */
return i;
}
s->last_picture_ptr = &s->picture[i];
+ s->last_picture_ptr->f.key_frame = 0;
if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) {
s->last_picture_ptr = NULL;
return -1;
}
- memset(s->last_picture_ptr->f.data[0], 0,
+ memset(s->last_picture_ptr->f.data[0], 0x80,
avctx->height * s->last_picture_ptr->f.linesize[0]);
memset(s->last_picture_ptr->f.data[1], 0x80,
(avctx->height >> v_chroma_shift) *
(avctx->height >> v_chroma_shift) *
s->last_picture_ptr->f.linesize[2]);
+ if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){
+ for(i=0; i<avctx->height; i++)
+ memset(s->last_picture_ptr->f.data[0] + s->last_picture_ptr->f.linesize[0]*i, 16, avctx->width);
+ }
+
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
}
return i;
}
s->next_picture_ptr = &s->picture[i];
+ s->next_picture_ptr->f.key_frame = 0;
if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) {
s->next_picture_ptr = NULL;
return -1;
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1);
}
+#if 0 // BUFREF-FIXME
+ memset(s->last_picture.f.data, 0, sizeof(s->last_picture.f.data));
+ memset(s->next_picture.f.data, 0, sizeof(s->next_picture.f.data));
+#endif
if (s->last_picture_ptr) {
ff_mpeg_unref_picture(s, &s->last_picture);
if (s->last_picture_ptr->f.buf[0] &&
return ret;
}
- if (s->pict_type != AV_PICTURE_TYPE_I &&
- !(s->last_picture_ptr && s->last_picture_ptr->f.buf[0])) {
- av_log(s, AV_LOG_ERROR,
- "Non-reference picture received and no reference available\n");
- return AVERROR_INVALIDDATA;
- }
+ av_assert0(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr &&
+ s->last_picture_ptr->f.buf[0]));
if (s->picture_structure!= PICT_FRAME) {
int i;
}
if (s->dct_error_sum) {
- assert(s->avctx->noise_reduction && s->encoding);
+ av_assert2(s->avctx->noise_reduction && s->encoding);
update_noise_reduction(s);
}
* frame has been coded/decoded. */
void ff_MPV_frame_end(MpegEncContext *s)
{
- int i;
-
#if FF_API_XVMC
FF_DISABLE_DEPRECATION_WARNINGS
/* redraw edges for the frame if decoding didn't complete */
} else
FF_ENABLE_DEPRECATION_WARNINGS
#endif /* FF_API_XVMC */
- if ((s->er.error_count || s->encoding) &&
+ if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) &&
!s->avctx->hwaccel &&
+ !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
s->unrestricted_mv &&
s->current_picture.reference &&
!s->intra_only &&
- !(s->flags & CODEC_FLAG_EMU_EDGE)) {
+ !(s->flags & CODEC_FLAG_EMU_EDGE) &&
+ !s->avctx->lowres
+ ) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
int hshift = desc->log2_chroma_w;
int vshift = desc->log2_chroma_h;
- s->dsp.draw_edges(s->current_picture.f.data[0], s->linesize,
+ s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0],
s->h_edge_pos, s->v_edge_pos,
EDGE_WIDTH, EDGE_WIDTH,
EDGE_TOP | EDGE_BOTTOM);
- s->dsp.draw_edges(s->current_picture.f.data[1], s->uvlinesize,
+ s->dsp.draw_edges(s->current_picture.f.data[1], s->current_picture.f.linesize[1],
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
EDGE_TOP | EDGE_BOTTOM);
- s->dsp.draw_edges(s->current_picture.f.data[2], s->uvlinesize,
+ s->dsp.draw_edges(s->current_picture.f.data[2], s->current_picture.f.linesize[2],
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
EDGE_TOP | EDGE_BOTTOM);
break;
}
}
- assert(i < MAX_PICTURE_COUNT);
+ av_assert0(i < MAX_PICTURE_COUNT);
#endif
- if (s->encoding) {
- /* release non-reference frames */
- for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- if (!s->picture[i].reference)
- ff_mpeg_unref_picture(s, &s->picture[i]);
- }
- }
// clear copies, to avoid confusion
#if 0
memset(&s->last_picture, 0, sizeof(Picture));
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
}
+/**
+ * Draw a line from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey,
+ int w, int h, int stride, int color)
+{
+ int x, y, fr, f;
+
+ sx = av_clip(sx, 0, w - 1);
+ sy = av_clip(sy, 0, h - 1);
+ ex = av_clip(ex, 0, w - 1);
+ ey = av_clip(ey, 0, h - 1);
+
+ buf[sy * stride + sx] += color;
+
+ if (FFABS(ex - sx) > FFABS(ey - sy)) {
+ if (sx > ex) {
+ FFSWAP(int, sx, ex);
+ FFSWAP(int, sy, ey);
+ }
+ buf += sx + sy * stride;
+ ex -= sx;
+ f = ((ey - sy) << 16) / ex;
+ for (x = 0; x <= ex; x++) {
+ y = (x * f) >> 16;
+ fr = (x * f) & 0xFFFF;
+ buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
+ if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16;
+ }
+ } else {
+ if (sy > ey) {
+ FFSWAP(int, sx, ex);
+ FFSWAP(int, sy, ey);
+ }
+ buf += sx + sy * stride;
+ ey -= sy;
+ if (ey)
+ f = ((ex - sx) << 16) / ey;
+ else
+ f = 0;
+ for(y= 0; y <= ey; y++){
+ x = (y*f) >> 16;
+ fr = (y*f) & 0xFFFF;
+ buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
+ if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16;
+ }
+ }
+}
+
+/**
+ * Draw an arrow from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_arrow(uint8_t *buf, int sx, int sy, int ex,
+ int ey, int w, int h, int stride, int color)
+{
+ int dx,dy;
+
+ sx = av_clip(sx, -100, w + 100);
+ sy = av_clip(sy, -100, h + 100);
+ ex = av_clip(ex, -100, w + 100);
+ ey = av_clip(ey, -100, h + 100);
+
+ dx = ex - sx;
+ dy = ey - sy;
+
+ if (dx * dx + dy * dy > 3 * 3) {
+ int rx = dx + dy;
+ int ry = -dx + dy;
+ int length = ff_sqrt((rx * rx + ry * ry) << 8);
+
+ // FIXME subpixel accuracy
+ rx = ROUNDED_DIV(rx * 3 << 4, length);
+ ry = ROUNDED_DIV(ry * 3 << 4, length);
+
+ draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
+ draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
+ }
+ draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
+}
+
/**
* Print debugging info for the given picture.
*/
-void ff_print_debug_info(MpegEncContext *s, Picture *p)
+void ff_print_debug_info2(AVCodecContext *avctx, Picture *p, AVFrame *pict, uint8_t *mbskip_table,
+ int *low_delay,
+ int mb_width, int mb_height, int mb_stride, int quarter_sample)
{
- AVFrame *pict;
- if (s->avctx->hwaccel || !p || !p->mb_type)
+ if (avctx->hwaccel || !p || !p->mb_type
+ || (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU))
return;
- pict = &p->f;
- if (s->avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) {
+
+ if (avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) {
int x,y;
- av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: ");
- switch (pict->pict_type) {
- case AV_PICTURE_TYPE_I:
- av_log(s->avctx,AV_LOG_DEBUG,"I\n");
- break;
- case AV_PICTURE_TYPE_P:
- av_log(s->avctx,AV_LOG_DEBUG,"P\n");
- break;
- case AV_PICTURE_TYPE_B:
- av_log(s->avctx,AV_LOG_DEBUG,"B\n");
- break;
- case AV_PICTURE_TYPE_S:
- av_log(s->avctx,AV_LOG_DEBUG,"S\n");
- break;
- case AV_PICTURE_TYPE_SI:
- av_log(s->avctx,AV_LOG_DEBUG,"SI\n");
- break;
- case AV_PICTURE_TYPE_SP:
- av_log(s->avctx,AV_LOG_DEBUG,"SP\n");
- break;
- }
- for (y = 0; y < s->mb_height; y++) {
- for (x = 0; x < s->mb_width; x++) {
- if (s->avctx->debug & FF_DEBUG_SKIP) {
- int count = s->mbskip_table[x + y * s->mb_stride];
+ av_log(avctx, AV_LOG_DEBUG, "New frame, type: %c\n",
+ av_get_picture_type_char(pict->pict_type));
+ for (y = 0; y < mb_height; y++) {
+ for (x = 0; x < mb_width; x++) {
+ if (avctx->debug & FF_DEBUG_SKIP) {
+ int count = mbskip_table[x + y * mb_stride];
if (count > 9)
count = 9;
- av_log(s->avctx, AV_LOG_DEBUG, "%1d", count);
+ av_log(avctx, AV_LOG_DEBUG, "%1d", count);
}
- if (s->avctx->debug & FF_DEBUG_QP) {
- av_log(s->avctx, AV_LOG_DEBUG, "%2d",
- p->qscale_table[x + y * s->mb_stride]);
+ if (avctx->debug & FF_DEBUG_QP) {
+ av_log(avctx, AV_LOG_DEBUG, "%2d",
+ p->qscale_table[x + y * mb_stride]);
}
- if (s->avctx->debug & FF_DEBUG_MB_TYPE) {
- int mb_type = p->mb_type[x + y * s->mb_stride];
+ if (avctx->debug & FF_DEBUG_MB_TYPE) {
+ int mb_type = p->mb_type[x + y * mb_stride];
// Type & MV direction
if (IS_PCM(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "P");
+ av_log(avctx, AV_LOG_DEBUG, "P");
else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "A");
+ av_log(avctx, AV_LOG_DEBUG, "A");
else if (IS_INTRA4x4(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "i");
+ av_log(avctx, AV_LOG_DEBUG, "i");
else if (IS_INTRA16x16(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "I");
+ av_log(avctx, AV_LOG_DEBUG, "I");
else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "d");
+ av_log(avctx, AV_LOG_DEBUG, "d");
else if (IS_DIRECT(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "D");
+ av_log(avctx, AV_LOG_DEBUG, "D");
else if (IS_GMC(mb_type) && IS_SKIP(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "g");
+ av_log(avctx, AV_LOG_DEBUG, "g");
else if (IS_GMC(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "G");
+ av_log(avctx, AV_LOG_DEBUG, "G");
else if (IS_SKIP(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "S");
+ av_log(avctx, AV_LOG_DEBUG, "S");
else if (!USES_LIST(mb_type, 1))
- av_log(s->avctx, AV_LOG_DEBUG, ">");
+ av_log(avctx, AV_LOG_DEBUG, ">");
else if (!USES_LIST(mb_type, 0))
- av_log(s->avctx, AV_LOG_DEBUG, "<");
+ av_log(avctx, AV_LOG_DEBUG, "<");
else {
- assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
- av_log(s->avctx, AV_LOG_DEBUG, "X");
+ av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
+ av_log(avctx, AV_LOG_DEBUG, "X");
}
// segmentation
if (IS_8X8(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "+");
+ av_log(avctx, AV_LOG_DEBUG, "+");
else if (IS_16X8(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "-");
+ av_log(avctx, AV_LOG_DEBUG, "-");
else if (IS_8X16(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "|");
+ av_log(avctx, AV_LOG_DEBUG, "|");
else if (IS_INTRA(mb_type) || IS_16X16(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, " ");
+ av_log(avctx, AV_LOG_DEBUG, " ");
else
- av_log(s->avctx, AV_LOG_DEBUG, "?");
+ av_log(avctx, AV_LOG_DEBUG, "?");
if (IS_INTERLACED(mb_type))
- av_log(s->avctx, AV_LOG_DEBUG, "=");
+ av_log(avctx, AV_LOG_DEBUG, "=");
else
- av_log(s->avctx, AV_LOG_DEBUG, " ");
+ av_log(avctx, AV_LOG_DEBUG, " ");
+ }
+ }
+ av_log(avctx, AV_LOG_DEBUG, "\n");
+ }
+ }
+
+ if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
+ (avctx->debug_mv)) {
+ const int shift = 1 + quarter_sample;
+ int mb_y;
+ uint8_t *ptr;
+ int i;
+ int h_chroma_shift, v_chroma_shift, block_height;
+ const int width = avctx->width;
+ const int height = avctx->height;
+ const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1;
+ const int mv_stride = (mb_width << mv_sample_log2) +
+ (avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1);
+
+ *low_delay = 0; // needed to see the vectors without trashing the buffers
+
+ avcodec_get_chroma_sub_sample(avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+
+ av_frame_make_writable(pict);
+
+ pict->opaque = NULL;
+ ptr = pict->data[0];
+ block_height = 16 >> v_chroma_shift;
+
+ for (mb_y = 0; mb_y < mb_height; mb_y++) {
+ int mb_x;
+ for (mb_x = 0; mb_x < mb_width; mb_x++) {
+ const int mb_index = mb_x + mb_y * mb_stride;
+ if ((avctx->debug_mv) && p->motion_val[0]) {
+ int type;
+ for (type = 0; type < 3; type++) {
+ int direction = 0;
+ switch (type) {
+ case 0:
+ if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) ||
+ (pict->pict_type!= AV_PICTURE_TYPE_P))
+ continue;
+ direction = 0;
+ break;
+ case 1:
+ if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) ||
+ (pict->pict_type!= AV_PICTURE_TYPE_B))
+ continue;
+ direction = 0;
+ break;
+ case 2:
+ if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) ||
+ (pict->pict_type!= AV_PICTURE_TYPE_B))
+ continue;
+ direction = 1;
+ break;
+ }
+ if (!USES_LIST(p->mb_type[mb_index], direction))
+ continue;
+
+ if (IS_8X8(p->mb_type[mb_index])) {
+ int i;
+ for (i = 0; i < 4; i++) {
+ int sx = mb_x * 16 + 4 + 8 * (i & 1);
+ int sy = mb_y * 16 + 4 + 8 * (i >> 1);
+ int xy = (mb_x * 2 + (i & 1) +
+ (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
+ int mx = (p->motion_val[direction][xy][0] >> shift) + sx;
+ int my = (p->motion_val[direction][xy][1] >> shift) + sy;
+ draw_arrow(ptr, sx, sy, mx, my, width,
+ height, pict->linesize[0], 100);
+ }
+ } else if (IS_16X8(p->mb_type[mb_index])) {
+ int i;
+ for (i = 0; i < 2; i++) {
+ int sx = mb_x * 16 + 8;
+ int sy = mb_y * 16 + 4 + 8 * i;
+ int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1);
+ int mx = (p->motion_val[direction][xy][0] >> shift);
+ int my = (p->motion_val[direction][xy][1] >> shift);
+
+ if (IS_INTERLACED(p->mb_type[mb_index]))
+ my *= 2;
+
+ draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
+ height, pict->linesize[0], 100);
+ }
+ } else if (IS_8X16(p->mb_type[mb_index])) {
+ int i;
+ for (i = 0; i < 2; i++) {
+ int sx = mb_x * 16 + 4 + 8 * i;
+ int sy = mb_y * 16 + 8;
+ int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1);
+ int mx = p->motion_val[direction][xy][0] >> shift;
+ int my = p->motion_val[direction][xy][1] >> shift;
+
+ if (IS_INTERLACED(p->mb_type[mb_index]))
+ my *= 2;
+
+ draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
+ height, pict->linesize[0], 100);
+ }
+ } else {
+ int sx= mb_x * 16 + 8;
+ int sy= mb_y * 16 + 8;
+ int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2;
+ int mx= (p->motion_val[direction][xy][0]>>shift) + sx;
+ int my= (p->motion_val[direction][xy][1]>>shift) + sy;
+ draw_arrow(ptr, sx, sy, mx, my, width, height, pict->linesize[0], 100);
+ }
+ }
+ }
+ if ((avctx->debug & FF_DEBUG_VIS_QP)) {
+ uint64_t c = (p->qscale_table[mb_index] * 128 / 31) *
+ 0x0101010101010101ULL;
+ int y;
+ for (y = 0; y < block_height; y++) {
+ *(uint64_t *)(pict->data[1] + 8 * mb_x +
+ (block_height * mb_y + y) *
+ pict->linesize[1]) = c;
+ *(uint64_t *)(pict->data[2] + 8 * mb_x +
+ (block_height * mb_y + y) *
+ pict->linesize[2]) = c;
+ }
+ }
+ if ((avctx->debug & FF_DEBUG_VIS_MB_TYPE) &&
+ p->motion_val[0]) {
+ int mb_type = p->mb_type[mb_index];
+ uint64_t u,v;
+ int y;
+#define COLOR(theta, r) \
+ u = (int)(128 + r * cos(theta * 3.141592 / 180)); \
+ v = (int)(128 + r * sin(theta * 3.141592 / 180));
+
+
+ u = v = 128;
+ if (IS_PCM(mb_type)) {
+ COLOR(120, 48)
+ } else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) ||
+ IS_INTRA16x16(mb_type)) {
+ COLOR(30, 48)
+ } else if (IS_INTRA4x4(mb_type)) {
+ COLOR(90, 48)
+ } else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) {
+ // COLOR(120, 48)
+ } else if (IS_DIRECT(mb_type)) {
+ COLOR(150, 48)
+ } else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) {
+ COLOR(170, 48)
+ } else if (IS_GMC(mb_type)) {
+ COLOR(190, 48)
+ } else if (IS_SKIP(mb_type)) {
+ // COLOR(180, 48)
+ } else if (!USES_LIST(mb_type, 1)) {
+ COLOR(240, 48)
+ } else if (!USES_LIST(mb_type, 0)) {
+ COLOR(0, 48)
+ } else {
+ av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
+ COLOR(300,48)
+ }
+
+ u *= 0x0101010101010101ULL;
+ v *= 0x0101010101010101ULL;
+ for (y = 0; y < block_height; y++) {
+ *(uint64_t *)(pict->data[1] + 8 * mb_x +
+ (block_height * mb_y + y) * pict->linesize[1]) = u;
+ *(uint64_t *)(pict->data[2] + 8 * mb_x +
+ (block_height * mb_y + y) * pict->linesize[2]) = v;
+ }
+
+ // segmentation
+ if (IS_8X8(mb_type) || IS_16X8(mb_type)) {
+ *(uint64_t *)(pict->data[0] + 16 * mb_x + 0 +
+ (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
+ *(uint64_t *)(pict->data[0] + 16 * mb_x + 8 +
+ (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
+ }
+ if (IS_8X8(mb_type) || IS_8X16(mb_type)) {
+ for (y = 0; y < 16; y++)
+ pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) *
+ pict->linesize[0]] ^= 0x80;
+ }
+ if (IS_8X8(mb_type) && mv_sample_log2 >= 2) {
+ int dm = 1 << (mv_sample_log2 - 2);
+ for (i = 0; i < 4; i++) {
+ int sx = mb_x * 16 + 8 * (i & 1);
+ int sy = mb_y * 16 + 8 * (i >> 1);
+ int xy = (mb_x * 2 + (i & 1) +
+ (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
+ // FIXME bidir
+ int32_t *mv = (int32_t *) &p->motion_val[0][xy];
+ if (mv[0] != mv[dm] ||
+ mv[dm * mv_stride] != mv[dm * (mv_stride + 1)])
+ for (y = 0; y < 8; y++)
+ pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80;
+ if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)])
+ *(uint64_t *)(pict->data[0] + sx + (sy + 4) *
+ pict->linesize[0]) ^= 0x8080808080808080ULL;
+ }
+ }
+
+ if (IS_INTERLACED(mb_type) &&
+ avctx->codec->id == AV_CODEC_ID_H264) {
+ // hmm
+ }
+ }
+ mbskip_table[mb_index] = 0;
+ }
+ }
+ }
+}
+
+void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict)
+{
+ ff_print_debug_info2(s->avctx, p, pict, s->mbskip_table, &s->low_delay,
+ s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample);
+}
+
+int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
+{
+ AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf);
+ int offset = 2*s->mb_stride + 1;
+ if(!ref)
+ return AVERROR(ENOMEM);
+ av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16));
+ ref->size -= offset;
+ ref->data += offset;
+ return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type);
+}
+
+static inline int hpel_motion_lowres(MpegEncContext *s,
+ uint8_t *dest, uint8_t *src,
+ int field_based, int field_select,
+ int src_x, int src_y,
+ int width, int height, ptrdiff_t stride,
+ int h_edge_pos, int v_edge_pos,
+ int w, int h, h264_chroma_mc_func *pix_op,
+ int motion_x, int motion_y)
+{
+ const int lowres = s->avctx->lowres;
+ const int op_index = FFMIN(lowres, 3);
+ const int s_mask = (2 << lowres) - 1;
+ int emu = 0;
+ int sx, sy;
+
+ if (s->quarter_sample) {
+ motion_x /= 2;
+ motion_y /= 2;
+ }
+
+ sx = motion_x & s_mask;
+ sy = motion_y & s_mask;
+ src_x += motion_x >> lowres + 1;
+ src_y += motion_y >> lowres + 1;
+
+ src += src_y * stride + src_x;
+
+ if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) ||
+ (unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src,
+ s->linesize, s->linesize,
+ w + 1, (h + 1) << field_based,
+ src_x, src_y << field_based,
+ h_edge_pos, v_edge_pos);
+ src = s->edge_emu_buffer;
+ emu = 1;
+ }
+
+ sx = (sx << 2) >> lowres;
+ sy = (sy << 2) >> lowres;
+ if (field_select)
+ src += s->linesize;
+ pix_op[op_index](dest, src, stride, h, sx, sy);
+ return emu;
+}
+
+/* apply one mpeg motion vector to the three components */
+static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
+ uint8_t *dest_y,
+ uint8_t *dest_cb,
+ uint8_t *dest_cr,
+ int field_based,
+ int bottom_field,
+ int field_select,
+ uint8_t **ref_picture,
+ h264_chroma_mc_func *pix_op,
+ int motion_x, int motion_y,
+ int h, int mb_y)
+{
+ uint8_t *ptr_y, *ptr_cb, *ptr_cr;
+ int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, sx, sy, uvsx, uvsy;
+ ptrdiff_t uvlinesize, linesize;
+ const int lowres = s->avctx->lowres;
+ const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 3);
+ const int block_s = 8>>lowres;
+ const int s_mask = (2 << lowres) - 1;
+ const int h_edge_pos = s->h_edge_pos >> lowres;
+ const int v_edge_pos = s->v_edge_pos >> lowres;
+ linesize = s->current_picture.f.linesize[0] << field_based;
+ uvlinesize = s->current_picture.f.linesize[1] << field_based;
+
+ // FIXME obviously not perfect but qpel will not work in lowres anyway
+ if (s->quarter_sample) {
+ motion_x /= 2;
+ motion_y /= 2;
+ }
+
+ if(field_based){
+ motion_y += (bottom_field - field_select)*((1 << lowres)-1);
+ }
+
+ sx = motion_x & s_mask;
+ sy = motion_y & s_mask;
+ src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1);
+ src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1);
+
+ if (s->out_format == FMT_H263) {
+ uvsx = ((motion_x >> 1) & s_mask) | (sx & 1);
+ uvsy = ((motion_y >> 1) & s_mask) | (sy & 1);
+ uvsrc_x = src_x >> 1;
+ uvsrc_y = src_y >> 1;
+ } else if (s->out_format == FMT_H261) {
+ // even chroma mv's are full pel in H261
+ mx = motion_x / 4;
+ my = motion_y / 4;
+ uvsx = (2 * mx) & s_mask;
+ uvsy = (2 * my) & s_mask;
+ uvsrc_x = s->mb_x * block_s + (mx >> lowres);
+ uvsrc_y = mb_y * block_s + (my >> lowres);
+ } else {
+ if(s->chroma_y_shift){
+ mx = motion_x / 2;
+ my = motion_y / 2;
+ uvsx = mx & s_mask;
+ uvsy = my & s_mask;
+ uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1);
+ uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1);
+ } else {
+ if(s->chroma_x_shift){
+ //Chroma422
+ mx = motion_x / 2;
+ uvsx = mx & s_mask;
+ uvsy = motion_y & s_mask;
+ uvsrc_y = src_y;
+ uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1));
+ } else {
+ //Chroma444
+ uvsx = motion_x & s_mask;
+ uvsy = motion_y & s_mask;
+ uvsrc_x = src_x;
+ uvsrc_y = src_y;
+ }
+ }
+ }
+
+ ptr_y = ref_picture[0] + src_y * linesize + src_x;
+ ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
+ ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
+
+ if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || uvsrc_y<0 ||
+ (unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y,
+ linesize >> field_based, linesize >> field_based,
+ 17, 17 + field_based,
+ src_x, src_y << field_based, h_edge_pos,
+ v_edge_pos);
+ ptr_y = s->edge_emu_buffer;
+ if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
+ uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize;
+ s->vdsp.emulated_edge_mc(uvbuf, ptr_cb,
+ uvlinesize >> field_based, uvlinesize >> field_based,
+ 9, 9 + field_based,
+ uvsrc_x, uvsrc_y << field_based,
+ h_edge_pos >> 1, v_edge_pos >> 1);
+ s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr,
+ uvlinesize >> field_based,uvlinesize >> field_based,
+ 9, 9 + field_based,
+ uvsrc_x, uvsrc_y << field_based,
+ h_edge_pos >> 1, v_edge_pos >> 1);
+ ptr_cb = uvbuf;
+ ptr_cr = uvbuf + 16;
+ }
+ }
+
+ // FIXME use this for field pix too instead of the obnoxious hack which changes picture.f.data
+ if (bottom_field) {
+ dest_y += s->linesize;
+ dest_cb += s->uvlinesize;
+ dest_cr += s->uvlinesize;
+ }
+
+ if (field_select) {
+ ptr_y += s->linesize;
+ ptr_cb += s->uvlinesize;
+ ptr_cr += s->uvlinesize;
+ }
+
+ sx = (sx << 2) >> lowres;
+ sy = (sy << 2) >> lowres;
+ pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy);
+
+ if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
+ int hc = s->chroma_y_shift ? (h+1-bottom_field)>>1 : h;
+ uvsx = (uvsx << 2) >> lowres;
+ uvsy = (uvsy << 2) >> lowres;
+ if (hc) {
+ pix_op[op_index](dest_cb, ptr_cb, uvlinesize, hc, uvsx, uvsy);
+ pix_op[op_index](dest_cr, ptr_cr, uvlinesize, hc, uvsx, uvsy);
+ }
+ }
+ // FIXME h261 lowres loop filter
+}
+
+static inline void chroma_4mv_motion_lowres(MpegEncContext *s,
+ uint8_t *dest_cb, uint8_t *dest_cr,
+ uint8_t **ref_picture,
+ h264_chroma_mc_func * pix_op,
+ int mx, int my)
+{
+ const int lowres = s->avctx->lowres;
+ const int op_index = FFMIN(lowres, 3);
+ const int block_s = 8 >> lowres;
+ const int s_mask = (2 << lowres) - 1;
+ const int h_edge_pos = s->h_edge_pos >> lowres + 1;
+ const int v_edge_pos = s->v_edge_pos >> lowres + 1;
+ int emu = 0, src_x, src_y, sx, sy;
+ ptrdiff_t offset;
+ uint8_t *ptr;
+
+ if (s->quarter_sample) {
+ mx /= 2;
+ my /= 2;
+ }
+
+ /* In case of 8X8, we construct a single chroma motion vector
+ with a special rounding */
+ mx = ff_h263_round_chroma(mx);
+ my = ff_h263_round_chroma(my);
+
+ sx = mx & s_mask;
+ sy = my & s_mask;
+ src_x = s->mb_x * block_s + (mx >> lowres + 1);
+ src_y = s->mb_y * block_s + (my >> lowres + 1);
+
+ offset = src_y * s->uvlinesize + src_x;
+ ptr = ref_picture[1] + offset;
+ if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) ||
+ (unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) {
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
+ s->uvlinesize, s->uvlinesize,
+ 9, 9,
+ src_x, src_y, h_edge_pos, v_edge_pos);
+ ptr = s->edge_emu_buffer;
+ emu = 1;
+ }
+ sx = (sx << 2) >> lowres;
+ sy = (sy << 2) >> lowres;
+ pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy);
+
+ ptr = ref_picture[2] + offset;
+ if (emu) {
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
+ s->uvlinesize, s->uvlinesize,
+ 9, 9,
+ src_x, src_y, h_edge_pos, v_edge_pos);
+ ptr = s->edge_emu_buffer;
+ }
+ pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
+}
+
+/**
+ * motion compensation of a single macroblock
+ * @param s context
+ * @param dest_y luma destination pointer
+ * @param dest_cb chroma cb/u destination pointer
+ * @param dest_cr chroma cr/v destination pointer
+ * @param dir direction (0->forward, 1->backward)
+ * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
+ * @param pix_op halfpel motion compensation function (average or put normally)
+ * the motion vectors are taken from s->mv and the MV type from s->mv_type
+ */
+static inline void MPV_motion_lowres(MpegEncContext *s,
+ uint8_t *dest_y, uint8_t *dest_cb,
+ uint8_t *dest_cr,
+ int dir, uint8_t **ref_picture,
+ h264_chroma_mc_func *pix_op)
+{
+ int mx, my;
+ int mb_x, mb_y, i;
+ const int lowres = s->avctx->lowres;
+ const int block_s = 8 >>lowres;
+
+ mb_x = s->mb_x;
+ mb_y = s->mb_y;
+
+ switch (s->mv_type) {
+ case MV_TYPE_16X16:
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 0, 0, 0,
+ ref_picture, pix_op,
+ s->mv[dir][0][0], s->mv[dir][0][1],
+ 2 * block_s, mb_y);
+ break;
+ case MV_TYPE_8X8:
+ mx = 0;
+ my = 0;
+ for (i = 0; i < 4; i++) {
+ hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) *
+ s->linesize) * block_s,
+ ref_picture[0], 0, 0,
+ (2 * mb_x + (i & 1)) * block_s,
+ (2 * mb_y + (i >> 1)) * block_s,
+ s->width, s->height, s->linesize,
+ s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
+ block_s, block_s, pix_op,
+ s->mv[dir][i][0], s->mv[dir][i][1]);
+
+ mx += s->mv[dir][i][0];
+ my += s->mv[dir][i][1];
+ }
+
+ if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
+ chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture,
+ pix_op, mx, my);
+ break;
+ case MV_TYPE_FIELD:
+ if (s->picture_structure == PICT_FRAME) {
+ /* top field */
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 1, 0, s->field_select[dir][0],
+ ref_picture, pix_op,
+ s->mv[dir][0][0], s->mv[dir][0][1],
+ block_s, mb_y);
+ /* bottom field */
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 1, 1, s->field_select[dir][1],
+ ref_picture, pix_op,
+ s->mv[dir][1][0], s->mv[dir][1][1],
+ block_s, mb_y);
+ } else {
+ if (s->picture_structure != s->field_select[dir][0] + 1 &&
+ s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) {
+ ref_picture = s->current_picture_ptr->f.data;
+
+ }
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 0, 0, s->field_select[dir][0],
+ ref_picture, pix_op,
+ s->mv[dir][0][0],
+ s->mv[dir][0][1], 2 * block_s, mb_y >> 1);
+ }
+ break;
+ case MV_TYPE_16X8:
+ for (i = 0; i < 2; i++) {
+ uint8_t **ref2picture;
+
+ if (s->picture_structure == s->field_select[dir][i] + 1 ||
+ s->pict_type == AV_PICTURE_TYPE_B || s->first_field) {
+ ref2picture = ref_picture;
+ } else {
+ ref2picture = s->current_picture_ptr->f.data;
+ }
+
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 0, 0, s->field_select[dir][i],
+ ref2picture, pix_op,
+ s->mv[dir][i][0], s->mv[dir][i][1] +
+ 2 * block_s * i, block_s, mb_y >> 1);
+
+ dest_y += 2 * block_s * s->linesize;
+ dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
+ dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
+ }
+ break;
+ case MV_TYPE_DMV:
+ if (s->picture_structure == PICT_FRAME) {
+ for (i = 0; i < 2; i++) {
+ int j;
+ for (j = 0; j < 2; j++) {
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 1, j, j ^ i,
+ ref_picture, pix_op,
+ s->mv[dir][2 * i + j][0],
+ s->mv[dir][2 * i + j][1],
+ block_s, mb_y);
+ }
+ pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
+ }
+ } else {
+ for (i = 0; i < 2; i++) {
+ mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
+ 0, 0, s->picture_structure != i + 1,
+ ref_picture, pix_op,
+ s->mv[dir][2 * i][0],s->mv[dir][2 * i][1],
+ 2 * block_s, mb_y >> 1);
+
+ // after put we make avg of the same block
+ pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
+
+ // opposite parity is always in the same
+ // frame if this is second field
+ if (!s->first_field) {
+ ref_picture = s->current_picture_ptr->f.data;
}
}
- av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
+ break;
+ default:
+ av_assert2(0);
}
}
*/
static av_always_inline
void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64],
- int is_mpeg12)
+ int lowres_flag, int is_mpeg12)
{
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
qpel_mc_func (*op_qpix)[16];
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics
const int uvlinesize = s->current_picture.f.linesize[1];
- const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band;
- const int block_size = 8;
+ const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
+ const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8;
/* avoid copy if macroblock skipped in last frame too */
/* skip only during decoding as we might trash the buffers during encoding a bit */
if (s->mb_skipped) {
s->mb_skipped= 0;
- assert(s->pict_type!=AV_PICTURE_TYPE_I);
+ av_assert2(s->pict_type!=AV_PICTURE_TYPE_I);
*mbskip_ptr = 1;
} else if(!s->current_picture.reference) {
*mbskip_ptr = 1;
}
}
- op_qpix= s->me.qpel_put;
- if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
- op_pix = s->hdsp.put_pixels_tab;
+ if(lowres_flag){
+ h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab;
+
+ if (s->mv_dir & MV_DIR_FORWARD) {
+ MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix);
+ op_pix = s->h264chroma.avg_h264_chroma_pixels_tab;
+ }
+ if (s->mv_dir & MV_DIR_BACKWARD) {
+ MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix);
+ }
}else{
- op_pix = s->hdsp.put_no_rnd_pixels_tab;
- }
- if (s->mv_dir & MV_DIR_FORWARD) {
- ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix);
- op_pix = s->hdsp.avg_pixels_tab;
- op_qpix= s->me.qpel_avg;
- }
- if (s->mv_dir & MV_DIR_BACKWARD) {
- ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix);
+ op_qpix = s->me.qpel_put;
+ if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
+ op_pix = s->hdsp.put_pixels_tab;
+ }else{
+ op_pix = s->hdsp.put_no_rnd_pixels_tab;
+ }
+ if (s->mv_dir & MV_DIR_FORWARD) {
+ ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix);
+ op_pix = s->hdsp.avg_pixels_tab;
+ op_qpix= s->me.qpel_avg;
+ }
+ if (s->mv_dir & MV_DIR_BACKWARD) {
+ ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix);
+ }
}
}
}else{
//chroma422
dct_linesize = uvlinesize << s->interlaced_dct;
- dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize * 8;
+ dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
add_dct(s, block[4], 4, dest_cb, dct_linesize);
add_dct(s, block[5], 5, dest_cr, dct_linesize);
add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize);
add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize);
if(!s->chroma_x_shift){//Chroma444
- add_dct(s, block[8], 8, dest_cb+8, dct_linesize);
- add_dct(s, block[9], 9, dest_cr+8, dct_linesize);
- add_dct(s, block[10], 10, dest_cb+8+dct_offset, dct_linesize);
- add_dct(s, block[11], 11, dest_cr+8+dct_offset, dct_linesize);
+ add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize);
+ add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize);
+ add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize);
+ add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize);
}
}
}//fi gray
}else{
dct_linesize = uvlinesize << s->interlaced_dct;
- dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize * 8;
+ dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
s->dsp.idct_put(dest_cb, dct_linesize, block[4]);
s->dsp.idct_put(dest_cr, dct_linesize, block[5]);
s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
if(!s->chroma_x_shift){//Chroma444
- s->dsp.idct_put(dest_cb + 8, dct_linesize, block[8]);
- s->dsp.idct_put(dest_cr + 8, dct_linesize, block[9]);
- s->dsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]);
- s->dsp.idct_put(dest_cr + 8 + dct_offset, dct_linesize, block[11]);
+ s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]);
+ s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]);
+ s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]);
+ s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]);
}
}
}//gray
void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64]){
#if !CONFIG_SMALL
if(s->out_format == FMT_MPEG1) {
- MPV_decode_mb_internal(s, block, 1);
+ if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1);
+ else MPV_decode_mb_internal(s, block, 0, 1);
} else
#endif
- MPV_decode_mb_internal(s, block, 0);
+ if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0);
+ else MPV_decode_mb_internal(s, block, 0, 0);
}
/**
}
if (!avctx->hwaccel &&
+ !(avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
draw_edges &&
cur->reference &&
!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
{
int draw_edges = s->unrestricted_mv && !s->intra_only;
- ff_draw_horiz_band(s->avctx, &s->dsp, &s->current_picture,
- &s->last_picture, y, h, s->picture_structure,
+ ff_draw_horiz_band(s->avctx, &s->dsp, s->current_picture_ptr,
+ s->last_picture_ptr, y, h, s->picture_structure,
s->first_field, draw_edges, s->low_delay,
s->v_edge_pos, s->h_edge_pos);
}
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics
const int uvlinesize = s->current_picture.f.linesize[1];
- const int mb_size= 4;
+ const int mb_size= 4 - s->avctx->lowres;
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
s->dest[0] += (s->mb_y>>1) * linesize << mb_size;
s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
- assert((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD));
+ av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD));
}
}
}
ff_mpeg_unref_picture(s, &s->next_picture);
s->mb_x= s->mb_y= 0;
+ s->closed_gop= 0;
s->parse_context.state= -1;
s->parse_context.frame_start_found= 0;
nCoeffs= s->block_last_index[n];
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
+ block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
/* XXX: only mpeg1 */
quant_matrix = s->intra_matrix;
for(i=1;i<=nCoeffs;i++) {
if(s->alternate_scan) nCoeffs= 63;
else nCoeffs= s->block_last_index[n];
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
+ block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
quant_matrix = s->intra_matrix;
for(i=1;i<=nCoeffs;i++) {
int j= s->intra_scantable.permutated[i];
if(s->alternate_scan) nCoeffs= 63;
else nCoeffs= s->block_last_index[n];
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
+ block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
+ sum += block[0];
quant_matrix = s->intra_matrix;
for(i=1;i<=nCoeffs;i++) {
int j= s->intra_scantable.permutated[i];
int i, level, qmul, qadd;
int nCoeffs;
- assert(s->block_last_index[n]>=0);
+ av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
qmul = qscale << 1;
if (!s->h263_aic) {
- if (n < 4)
- block[0] = block[0] * s->y_dc_scale;
- else
- block[0] = block[0] * s->c_dc_scale;
+ block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
qadd = (qscale - 1) | 1;
}else{
qadd = 0;
int i, level, qmul, qadd;
int nCoeffs;
- assert(s->block_last_index[n]>=0);
+ av_assert2(s->block_last_index[n]>=0);
qadd = (qscale - 1) | 1;
qmul = qscale << 1;
projects / ffmpeg / blobdiff