Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

mpegvideo: Move ER functions to a separate file

Browse Source
pull/138/head
Vittorio Giovara 10 years ago
parent c0e6b8cab8
commit 8b5007a31b
3 changed files with 74 additions and 66 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 71
      libavcodec/mpeg_er.c
  2. 1
      libavcodec/mpeg_er.h
  3. 68
      libavcodec/mpegvideo.c

71
libavcodec/mpeg_er.c
Unescape View File

@ -57,3 +57,74 @@ void ff_mpeg_er_frame_start(MpegEncContext *s)
ff_er_frame_start(er);
}
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);
}
int ff_mpeg_er_init(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);
}

1
libavcodec/mpeg_er.h
Unescape View File

@ -21,6 +21,7 @@
#include "mpegvideo.h"
int ff_mpeg_er_init(MpegEncContext *s);
void ff_mpeg_er_frame_start(MpegEncContext *s);
#endif /* AVCODEC_MPEG_ER_H */

68
libavcodec/mpegvideo.c
Unescape View File

@ -37,6 +37,7 @@
#include "idctdsp.h"
#include "internal.h"
#include "mathops.h"
#include "mpeg_er.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
@ -266,35 +267,6 @@ static void dct_unquantize_h263_inter_c(MpegEncContext *s,
}
}
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)
{
@ -645,42 +617,6 @@ void ff_mpv_decode_defaults(MpegEncContext *s)
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.
*/
@ -815,7 +751,7 @@ static int init_context_frame(MpegEncContext *s)
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
return init_er(s);
return ff_mpeg_er_init(s);
fail:
return AVERROR(ENOMEM);
}

Write Preview
Loading…
Cancel
Save