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lavc/mpeg*: drop the XvMC hwaccel code

Browse Source 
XvMC was last relevant over 10 years ago, if ever. There is no reason to
use it today.
This commit is contained in:
Anton Khirnov 2022-02-01 10:15:51 +01:00
parent a67734596d
commit be95df12bb
15 changed files with 2 additions and 501 deletions
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1
Changelog
View File

@ -3,6 +3,7 @@ releases are sorted from youngest to oldest.
version 5.1:
- dialogue enhance audio filter
- dropped obsolete XvMC hwaccel
version 5.0:

1
MAINTAINERS
View File

@ -266,7 +266,6 @@ Codecs:
xan.c Mike Melanson
xbm* Paul B Mahol
xface Stefano Sabatini
xvmc.c Ivan Kalvachev
xwd* Paul B Mahol
Hardware acceleration:

9
configure vendored
View File

@ -1900,7 +1900,6 @@ HWACCEL_AUTODETECT_LIBRARY_LIST="
videotoolbox
vulkan
v4l2_m2m
xvmc
"
# catchall list of things that require external libs to link
@ -3006,7 +3005,6 @@ vaapi_x11_deps="xlib_x11"
videotoolbox_hwaccel_deps="videotoolbox pthreads"
videotoolbox_hwaccel_extralibs="-framework QuartzCore"
vulkan_deps_any="libdl LoadLibrary"
xvmc_deps="X11_extensions_XvMClib_h"
av1_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_AV1"
av1_d3d11va_hwaccel_select="av1_decoder"
@ -3054,16 +3052,12 @@ mjpeg_nvdec_hwaccel_deps="nvdec"
mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
mjpeg_vaapi_hwaccel_deps="vaapi"
mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
mpeg_xvmc_hwaccel_deps="xvmc"
mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
mpeg1_nvdec_hwaccel_deps="nvdec"
mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
mpeg1_vdpau_hwaccel_deps="vdpau"
mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
mpeg1_xvmc_hwaccel_deps="xvmc"
mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
mpeg2_d3d11va_hwaccel_deps="d3d11va"
mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
mpeg2_d3d11va2_hwaccel_deps="d3d11va"
@ -3078,8 +3072,6 @@ mpeg2_vdpau_hwaccel_deps="vdpau"
mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
mpeg2_xvmc_hwaccel_deps="xvmc"
mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
mpeg4_nvdec_hwaccel_deps="nvdec"
mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
mpeg4_vaapi_hwaccel_deps="vaapi"
@ -6308,7 +6300,6 @@ check_headers unistd.h
check_headers valgrind/valgrind.h
check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
check_headers windows.h
check_headers X11/extensions/XvMClib.h
check_headers asm/types.h
# it seems there are versions of clang in some distros that try to use the

2
libavcodec/Makefile
View File

@ -963,7 +963,6 @@ OBJS-$(CONFIG_MJPEG_VAAPI_HWACCEL) += vaapi_mjpeg.o
OBJS-$(CONFIG_MPEG1_NVDEC_HWACCEL) += nvdec_mpeg12.o
OBJS-$(CONFIG_MPEG1_VDPAU_HWACCEL) += vdpau_mpeg12.o
OBJS-$(CONFIG_MPEG1_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
OBJS-$(CONFIG_MPEG1_XVMC_HWACCEL) += mpegvideo_xvmc.o
OBJS-$(CONFIG_MPEG2_D3D11VA_HWACCEL) += dxva2_mpeg2.o
OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL) += dxva2_mpeg2.o
OBJS-$(CONFIG_MPEG2_NVDEC_HWACCEL) += nvdec_mpeg12.o
@ -971,7 +970,6 @@ OBJS-$(CONFIG_MPEG2_QSV_HWACCEL) += qsvdec.o
OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL) += vaapi_mpeg2.o
OBJS-$(CONFIG_MPEG2_VDPAU_HWACCEL) += vdpau_mpeg12.o
OBJS-$(CONFIG_MPEG2_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
OBJS-$(CONFIG_MPEG2_XVMC_HWACCEL) += mpegvideo_xvmc.o
OBJS-$(CONFIG_MPEG4_NVDEC_HWACCEL) += nvdec_mpeg4.o
OBJS-$(CONFIG_MPEG4_VAAPI_HWACCEL) += vaapi_mpeg4.o
OBJS-$(CONFIG_MPEG4_VDPAU_HWACCEL) += vdpau_mpeg4.o

12
libavcodec/avcodec.h
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@ -2119,7 +2119,6 @@ typedef struct AVHWAccel {
*
* Meaningful slice information (codec specific) is guaranteed to
* be parsed at this point. This function is mandatory.
* The only exception is XvMC, that works on MB level.
*
* @param avctx the codec context
* @param buf the slice data buffer base
@ -2148,17 +2147,6 @@ typedef struct AVHWAccel {
*/
int frame_priv_data_size;
/**
* Called for every Macroblock in a slice.
*
* XvMC uses it to replace the ff_mpv_reconstruct_mb().
* Instead of decoding to raw picture, MB parameters are
* stored in an array provided by the video driver.
*
* @param s the mpeg context
*/
void (*decode_mb)(struct MpegEncContext *s);
/**
* Initialize the hwaccel private data.
*

9
libavcodec/error_resilience.c
View File

@ -736,12 +736,6 @@ static int is_intra_more_likely(ERContext *s)
if (undamaged_count < 5)
return 0; // almost all MBs damaged -> use temporal prediction
// prevent dsp.sad() check, that requires access to the image
if (CONFIG_XVMC &&
s->avctx->hwaccel && s->avctx->hwaccel->decode_mb &&
s->cur_pic.f->pict_type == AV_PICTURE_TYPE_I)
return 1;
skip_amount = FFMAX(undamaged_count / 50, 1); // check only up to 50 MBs
is_intra_likely = 0;
@ -1229,9 +1223,6 @@ void ff_er_frame_end(ERContext *s)
} else
guess_mv(s);
/* the filters below manipulate raw image, skip them */
if (CONFIG_XVMC && s->avctx->hwaccel && s->avctx->hwaccel->decode_mb)
goto ec_clean;
/* fill DC for inter blocks */
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {

2
libavcodec/hwaccels.h
View File

@ -47,7 +47,6 @@ extern const AVHWAccel ff_mjpeg_vaapi_hwaccel;
extern const AVHWAccel ff_mpeg1_nvdec_hwaccel;
extern const AVHWAccel ff_mpeg1_vdpau_hwaccel;
extern const AVHWAccel ff_mpeg1_videotoolbox_hwaccel;
extern const AVHWAccel ff_mpeg1_xvmc_hwaccel;
extern const AVHWAccel ff_mpeg2_d3d11va_hwaccel;
extern const AVHWAccel ff_mpeg2_d3d11va2_hwaccel;
extern const AVHWAccel ff_mpeg2_nvdec_hwaccel;
@ -55,7 +54,6 @@ extern const AVHWAccel ff_mpeg2_dxva2_hwaccel;
extern const AVHWAccel ff_mpeg2_vaapi_hwaccel;
extern const AVHWAccel ff_mpeg2_vdpau_hwaccel;
extern const AVHWAccel ff_mpeg2_videotoolbox_hwaccel;
extern const AVHWAccel ff_mpeg2_xvmc_hwaccel;
extern const AVHWAccel ff_mpeg4_nvdec_hwaccel;
extern const AVHWAccel ff_mpeg4_vaapi_hwaccel;
extern const AVHWAccel ff_mpeg4_vdpau_hwaccel;

2
libavcodec/hwconfig.h
View File

@ -78,8 +78,6 @@ typedef struct AVCodecHWConfigInternal {
HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel)
#define HWACCEL_D3D11VA(codec) \
HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
#define HWACCEL_XVMC(codec) \
HW_CONFIG_HWACCEL(0, 0, 1, XVMC, NONE, ff_ ## codec ## _xvmc_hwaccel)
#define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \
&(const AVCodecHWConfigInternal) { \

43
libavcodec/mpeg12dec.c
View File

@ -51,7 +51,6 @@
#include "profiles.h"
#include "startcode.h"
#include "thread.h"
#include "xvmc_internal.h"
#define A53_MAX_CC_COUNT 2000
@ -763,9 +762,6 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
memset(s->last_mv, 0, sizeof(s->last_mv));
}
s->mb_intra = 1;
// if 1, we memcpy blocks in xvmcvideo
if ((CONFIG_MPEG1_XVMC_HWACCEL || CONFIG_MPEG2_XVMC_HWACCEL) && s->pack_pblocks)
ff_xvmc_pack_pblocks(s, -1); // inter are always full blocks
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
if (s->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
@ -994,10 +990,6 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
return AVERROR_INVALIDDATA;
}
// if 1, we memcpy blocks in xvmcvideo
if ((CONFIG_MPEG1_XVMC_HWACCEL || CONFIG_MPEG2_XVMC_HWACCEL) && s->pack_pblocks)
ff_xvmc_pack_pblocks(s, cbp);
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
if (s->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
for (i = 0; i < 6; i++) {
@ -1115,9 +1107,6 @@ static const enum AVPixelFormat mpeg1_hwaccel_pixfmt_list_420[] = {
#if CONFIG_MPEG1_NVDEC_HWACCEL
AV_PIX_FMT_CUDA,
#endif
#if CONFIG_MPEG1_XVMC_HWACCEL
AV_PIX_FMT_XVMC,
#endif
#if CONFIG_MPEG1_VDPAU_HWACCEL
AV_PIX_FMT_VDPAU,
#endif
@ -1129,9 +1118,6 @@ static const enum AVPixelFormat mpeg2_hwaccel_pixfmt_list_420[] = {
#if CONFIG_MPEG2_NVDEC_HWACCEL
AV_PIX_FMT_CUDA,
#endif
#if CONFIG_MPEG2_XVMC_HWACCEL
AV_PIX_FMT_XVMC,
#endif
#if CONFIG_MPEG2_VDPAU_HWACCEL
AV_PIX_FMT_VDPAU,
#endif
@ -1183,21 +1169,6 @@ static enum AVPixelFormat mpeg_get_pixelformat(AVCodecContext *avctx)
return ff_thread_get_format(avctx, pix_fmts);
}
static void setup_hwaccel_for_pixfmt(AVCodecContext *avctx)
{
// until then pix_fmt may be changed right after codec init
if (avctx->hwaccel)
if (avctx->idct_algo == FF_IDCT_AUTO)
avctx->idct_algo = FF_IDCT_NONE;
if (avctx->hwaccel && avctx->pix_fmt == AV_PIX_FMT_XVMC) {
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
s->pack_pblocks = 1;
}
}
/* Call this function when we know all parameters.
* It may be called in different places for MPEG-1 and MPEG-2. */
static int mpeg_decode_postinit(AVCodecContext *avctx)
@ -1321,7 +1292,6 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
} // MPEG-2
avctx->pix_fmt = mpeg_get_pixelformat(avctx);
setup_hwaccel_for_pixfmt(avctx);
/* Quantization matrices may need reordering
* if DCT permutation is changed. */
@ -1809,10 +1779,6 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
}
for (;;) {
// If 1, we memcpy blocks in xvmcvideo.
if ((CONFIG_MPEG1_XVMC_HWACCEL || CONFIG_MPEG2_XVMC_HWACCEL) && s->pack_pblocks)
ff_xvmc_init_block(s); // set s->block
if ((ret = mpeg_decode_mb(s, s->block)) < 0)
return ret;
@ -2166,7 +2132,6 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
s->codec_id =
s->avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
s->out_format = FMT_MPEG1;
s->swap_uv = 0; // AFAIK VCR2 does not have SEQ_HEADER
if (s->avctx->flags & AV_CODEC_FLAG_LOW_DELAY)
s->low_delay = 1;
@ -2195,7 +2160,6 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
s->low_delay = 1;
avctx->pix_fmt = mpeg_get_pixelformat(avctx);
setup_hwaccel_for_pixfmt(avctx);
ff_mpv_idct_init(s);
if ((ret = ff_mpv_common_init(s)) < 0)
@ -2222,7 +2186,6 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
if (s->codec_tag == AV_RL32("BW10")) {
s->codec_id = s->avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
} else {
s->swap_uv = 1; // in case of xvmc we need to swap uv for each MB
s->codec_id = s->avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
}
s1->save_width = s->width;
@ -2924,9 +2887,6 @@ const AVCodec ff_mpeg1video_decoder = {
#endif
#if CONFIG_MPEG1_VIDEOTOOLBOX_HWACCEL
HWACCEL_VIDEOTOOLBOX(mpeg1),
#endif
#if CONFIG_MPEG1_XVMC_HWACCEL
HWACCEL_XVMC(mpeg1),
#endif
NULL
},
@ -2972,9 +2932,6 @@ const AVCodec ff_mpeg2video_decoder = {
#endif
#if CONFIG_MPEG2_VIDEOTOOLBOX_HWACCEL
HWACCEL_VIDEOTOOLBOX(mpeg2),
#endif
#if CONFIG_MPEG2_XVMC_HWACCEL
HWACCEL_XVMC(mpeg2),
#endif
NULL
},

6
libavcodec/mpegvideo.c
View File

@ -1644,12 +1644,6 @@ skip_idct:
void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64])
{
if (CONFIG_XVMC &&
s->avctx->hwaccel && s->avctx->hwaccel->decode_mb) {
s->avctx->hwaccel->decode_mb(s); //xvmc uses pblocks
return;
}
if (s->avctx->debug & FF_DEBUG_DCT_COEFF) {
/* print DCT coefficients */
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);

2
libavcodec/mpegvideo.h
View File

@ -467,8 +467,6 @@ typedef struct MpegEncContext {
int rtp_payload_size;
uint8_t *ptr_lastgob;
int swap_uv; //vcr2 codec is an MPEG-2 variant with U and V swapped
int pack_pblocks; //xvmc needs to keep blocks without gaps.
int16_t (*pblocks[12])[64];
int16_t (*block)[64]; ///< points to one of the following blocks

377
libavcodec/mpegvideo_xvmc.c
View File

@ -1,377 +0,0 @@
/*
* XVideo Motion Compensation
* Copyright (c) 2003 Ivan Kalvachev
*
* This file is part of FFmpeg.
*
* 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.
*
* 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <limits.h>
#include <X11/extensions/XvMC.h>
#include "avcodec.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodec.h"
#undef NDEBUG
#include <assert.h>
#include "xvmc.h"
#include "xvmc_internal.h"
#include "version.h"
/**
* Initialize the block field of the MpegEncContext pointer passed as
* parameter after making sure that the data is not corrupted.
* In order to implement something like direct rendering instead of decoding
* coefficients in s->blocks and then copying them, copy them directly
* into the data_blocks array provided by xvmc.
*/
void ff_xvmc_init_block(MpegEncContext *s)
{
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.f->data[2];
assert(render && render->xvmc_id == AV_XVMC_ID);
s->block = (int16_t (*)[64])(render->data_blocks + render->next_free_data_block_num * 64);
}
static void exchange_uv(MpegEncContext *s)
{
int16_t (*tmp)[64];
tmp = s->pblocks[4];
s->pblocks[4] = s->pblocks[5];
s->pblocks[5] = tmp;
}
/**
* Fill individual block pointers, so there are no gaps in the data_block array
* in case not all blocks in the macroblock are coded.
*/
void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
{
int i, j = 0;
const int mb_block_count = 4 + (1 << s->chroma_format);
cbp <<= 12-mb_block_count;
for (i = 0; i < mb_block_count; i++) {
if (cbp & (1 << 11))
s->pblocks[i] = &s->block[j++];
else
s->pblocks[i] = NULL;
cbp += cbp;
}
if (s->swap_uv) {
exchange_uv(s);
}
}
/**
* Find and store the surfaces that are used as reference frames.
* This function should be called for every new field and/or frame.
* It should be safe to call the function a few times for the same field.
*/
static int ff_xvmc_field_start(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size)
{
struct MpegEncContext *s = avctx->priv_data;
struct xvmc_pix_fmt *last, *next, *render = (struct xvmc_pix_fmt*)s->current_picture.f->data[2];
const int mb_block_count = 4 + (1 << s->chroma_format);
assert(avctx);
if (!render || render->xvmc_id != AV_XVMC_ID ||
!render->data_blocks || !render->mv_blocks ||
(unsigned int)render->allocated_mv_blocks > INT_MAX/(64*6) ||
(unsigned int)render->allocated_data_blocks > INT_MAX/64 ||
!render->p_surface) {
av_log(avctx, AV_LOG_ERROR,
"Render token doesn't look as expected.\n");
return -1; // make sure that this is a render packet
}
if (render->filled_mv_blocks_num) {
av_log(avctx, AV_LOG_ERROR,
"Rendering surface contains %i unprocessed blocks.\n",
render->filled_mv_blocks_num);
return -1;
}
if (render->allocated_mv_blocks < 1 ||
render->allocated_data_blocks < render->allocated_mv_blocks*mb_block_count ||
render->start_mv_blocks_num >= render->allocated_mv_blocks ||
render->next_free_data_block_num >
render->allocated_data_blocks -
mb_block_count*(render->allocated_mv_blocks-render->start_mv_blocks_num)) {
av_log(avctx, AV_LOG_ERROR,
"Rendering surface doesn't provide enough block structures to work with.\n");
return -1;
}
render->picture_structure = s->picture_structure;
render->flags = s->first_field ? 0 : XVMC_SECOND_FIELD;
render->p_future_surface = NULL;
render->p_past_surface = NULL;
switch(s->pict_type) {
case AV_PICTURE_TYPE_I:
return 0; // no prediction from other frames
case AV_PICTURE_TYPE_B:
next = (struct xvmc_pix_fmt*)s->next_picture.f->data[2];
if (!next)
return -1;
if (next->xvmc_id != AV_XVMC_ID)
return -1;
render->p_future_surface = next->p_surface;
// no return here, going to set forward prediction
case AV_PICTURE_TYPE_P:
last = (struct xvmc_pix_fmt*)s->last_picture.f->data[2];
if (!last)
last = render; // predict second field from the first
if (last->xvmc_id != AV_XVMC_ID)
return -1;
render->p_past_surface = last->p_surface;
return 0;
}
return -1;
}
/**
* Complete frame/field rendering by passing any remaining blocks.
* Normally ff_draw_horiz_band() is called for each slice, however,
* some leftover blocks, for example from error_resilience(), may remain.
* It should be safe to call the function a few times for the same field.
*/
static int ff_xvmc_field_end(AVCodecContext *avctx)
{
struct MpegEncContext *s = avctx->priv_data;
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.f->data[2];
assert(render);
if (render->filled_mv_blocks_num > 0)
ff_mpeg_draw_horiz_band(s, 0, 0);
return 0;
}
/**
* Synthesize the data needed by XvMC to render one macroblock of data.
* Fill all relevant fields, if necessary do IDCT.
*/
static void ff_xvmc_decode_mb(struct MpegEncContext *s)
{
XvMCMacroBlock *mv_block;
struct xvmc_pix_fmt *render;
int i, cbp, blocks_per_mb;
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
if (s->encoding) {
av_log(s->avctx, AV_LOG_ERROR, "XVMC doesn't support encoding!!!\n");
return;
}
// from ff_mpv_reconstruct_mb(), update DC predictors for P macroblocks
if (!s->mb_intra) {
s->last_dc[0] =
s->last_dc[1] =
s->last_dc[2] = 128 << s->intra_dc_precision;
}
// MC doesn't skip blocks
s->mb_skipped = 0;
// Do I need to export quant when I could not perform postprocessing?
// Anyway, it doesn't hurt.
s->current_picture.qscale_table[mb_xy] = s->qscale;
// start of XVMC-specific code
render = (struct xvmc_pix_fmt*)s->current_picture.f->data[2];
assert(render);
assert(render->xvmc_id == AV_XVMC_ID);
assert(render->mv_blocks);
// take the next free macroblock
mv_block = &render->mv_blocks[render->start_mv_blocks_num +
render->filled_mv_blocks_num];
mv_block->x = s->mb_x;
mv_block->y = s->mb_y;
mv_block->dct_type = s->interlaced_dct; // XVMC_DCT_TYPE_FRAME/FIELD;
if (s->mb_intra) {
mv_block->macroblock_type = XVMC_MB_TYPE_INTRA; // no MC, all done
} else {
mv_block->macroblock_type = XVMC_MB_TYPE_PATTERN;
if (s->mv_dir & MV_DIR_FORWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_FORWARD;
// PMV[n][dir][xy] = mv[dir][n][xy]
mv_block->PMV[0][0][0] = s->mv[0][0][0];
mv_block->PMV[0][0][1] = s->mv[0][0][1];
mv_block->PMV[1][0][0] = s->mv[0][1][0];
mv_block->PMV[1][0][1] = s->mv[0][1][1];
}
if (s->mv_dir & MV_DIR_BACKWARD) {
mv_block->macroblock_type |= XVMC_MB_TYPE_MOTION_BACKWARD;
mv_block->PMV[0][1][0] = s->mv[1][0][0];
mv_block->PMV[0][1][1] = s->mv[1][0][1];
mv_block->PMV[1][1][0] = s->mv[1][1][0];
mv_block->PMV[1][1][1] = s->mv[1][1][1];
}
switch(s->mv_type) {
case MV_TYPE_16X16:
mv_block->motion_type = XVMC_PREDICTION_FRAME;
break;
case MV_TYPE_16X8:
mv_block->motion_type = XVMC_PREDICTION_16x8;
break;
case MV_TYPE_FIELD:
mv_block->motion_type = XVMC_PREDICTION_FIELD;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][1] <<= 1;
mv_block->PMV[1][0][1] <<= 1;
mv_block->PMV[0][1][1] <<= 1;
mv_block->PMV[1][1][1] <<= 1;
}
break;
case MV_TYPE_DMV:
mv_block->motion_type = XVMC_PREDICTION_DUAL_PRIME;
if (s->picture_structure == PICT_FRAME) {
mv_block->PMV[0][0][0] = s->mv[0][0][0]; // top from top
mv_block->PMV[0][0][1] = s->mv[0][0][1] << 1;
mv_block->PMV[0][1][0] = s->mv[0][0][0]; // bottom from bottom
mv_block->PMV[0][1][1] = s->mv[0][0][1] << 1;
mv_block->PMV[1][0][0] = s->mv[0][2][0]; // dmv00, top from bottom
mv_block->PMV[1][0][1] = s->mv[0][2][1] << 1; // dmv01
mv_block->PMV[1][1][0] = s->mv[0][3][0]; // dmv10, bottom from top
mv_block->PMV[1][1][1] = s->mv[0][3][1] << 1; // dmv11
} else {
mv_block->PMV[0][1][0] = s->mv[0][2][0]; // dmv00
mv_block->PMV[0][1][1] = s->mv[0][2][1]; // dmv01
}
break;
default:
assert(0);
}
mv_block->motion_vertical_field_select = 0;
// set correct field references
if (s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8) {
mv_block->motion_vertical_field_select |= s->field_select[0][0];
mv_block->motion_vertical_field_select |= s->field_select[1][0] << 1;
mv_block->motion_vertical_field_select |= s->field_select[0][1] << 2;
mv_block->motion_vertical_field_select |= s->field_select[1][1] << 3;
}
} // !intra
// time to handle data blocks
mv_block->index = render->next_free_data_block_num;
blocks_per_mb = 6;
if (s->chroma_format >= 2) {
blocks_per_mb = 4 + (1 << s->chroma_format);
}
// calculate cbp
cbp = 0;
for (i = 0; i < blocks_per_mb; i++) {
cbp += cbp;
if (s->block_last_index[i] >= 0)
cbp++;
}
if (s->avctx->flags & AV_CODEC_FLAG_GRAY) {
if (s->mb_intra) { // intra frames are always full chroma blocks
for (i = 4; i < blocks_per_mb; i++) {
memset(s->pblocks[i], 0, sizeof(*s->pblocks[i])); // so we need to clear them
if (!render->unsigned_intra)
*s->pblocks[i][0] = 1 << 10;
}
} else {
cbp &= 0xf << (blocks_per_mb - 4);
blocks_per_mb = 4; // luminance blocks only
}
}
mv_block->coded_block_pattern = cbp;
if (cbp == 0)
mv_block->macroblock_type &= ~XVMC_MB_TYPE_PATTERN;
for (i = 0; i < blocks_per_mb; i++) {
if (s->block_last_index[i] >= 0) {
// I do not have unsigned_intra MOCO to test, hope it is OK.
if (s->mb_intra && (render->idct || !render->unsigned_intra))
*s->pblocks[i][0] -= 1 << 10;
if (!render->idct) {
s->idsp.idct(*s->pblocks[i]);
/* It is unclear if MC hardware requires pixel diff values to be
* in the range [-255;255]. TODO: Clipping if such hardware is
* ever found. As of now it would only be an unnecessary
* slowdown. */
}
// copy blocks only if the codec doesn't support pblocks reordering
if (!s->pack_pblocks) {
memcpy(&render->data_blocks[render->next_free_data_block_num*64],
s->pblocks[i], sizeof(*s->pblocks[i]));
}
render->next_free_data_block_num++;
}
}
render->filled_mv_blocks_num++;
assert(render->filled_mv_blocks_num <= render->allocated_mv_blocks);
assert(render->next_free_data_block_num <= render->allocated_data_blocks);
/* The above conditions should not be able to fail as long as this function
* is used and the following 'if ()' automatically calls a callback to free
* blocks. */
if (render->filled_mv_blocks_num == render->allocated_mv_blocks)
ff_mpeg_draw_horiz_band(s, 0, 0);
}
#if CONFIG_MPEG1_XVMC_HWACCEL
const AVHWAccel ff_mpeg1_xvmc_hwaccel = {
.name = "mpeg1_xvmc",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG1VIDEO,
.pix_fmt = AV_PIX_FMT_XVMC,
.start_frame = ff_xvmc_field_start,
.end_frame = ff_xvmc_field_end,
.decode_slice = NULL,
.decode_mb = ff_xvmc_decode_mb,
.priv_data_size = 0,
};
#endif
#if CONFIG_MPEG2_XVMC_HWACCEL
const AVHWAccel ff_mpeg2_xvmc_hwaccel = {
.name = "mpeg2_xvmc",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,
.pix_fmt = AV_PIX_FMT_XVMC,
.start_frame = ff_xvmc_field_start,
.end_frame = ff_xvmc_field_end,
.decode_slice = NULL,
.decode_mb = ff_xvmc_decode_mb,
.priv_data_size = 0,
};
#endif

2
libavcodec/version.h
View File

@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 59
#define LIBAVCODEC_VERSION_MINOR 20
#define LIBAVCODEC_VERSION_MINOR 21
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

4
libavcodec/x86/blockdsp_init.c
View File

@ -44,10 +44,6 @@ av_cold void ff_blockdsp_init_x86(BlockDSPContext *c,
c->clear_blocks = ff_clear_blocks_mmx;
}
/* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb)
return;
if (EXTERNAL_SSE(cpu_flags)) {
c->clear_block = ff_clear_block_sse;
c->clear_blocks = ff_clear_blocks_sse;

31
libavcodec/xvmc_internal.h
View File

@ -1,31 +0,0 @@
/*
* XVideo Motion Compensation internal functions
*
* This file is part of FFmpeg.
*
* 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.
*
* 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_XVMC_INTERNAL_H
#define AVCODEC_XVMC_INTERNAL_H
#include "avcodec.h"
#include "mpegvideo.h"
#include "version.h"
void ff_xvmc_init_block(MpegEncContext *s);
void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp);
#endif /* AVCODEC_XVMC_INTERNAL_H */