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mpv/libmpcodecs/vd_ffmpeg.c

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include <stdbool.h>
#include "talloc.h"
#include "config.h"
#include "mp_msg.h"
#include "options.h"
#include "av_opts.h"
#include "libavutil/common.h"
#include "ffmpeg_files/intreadwrite.h"
#include "mpbswap.h"
#include "fmt-conversion.h"
#include "vd.h"
#include "img_format.h"
#include "libmpdemux/stheader.h"
#include "codec-cfg.h"
#include "osdep/numcores.h"
#include "vd_ffmpeg.h"
static const vd_info_t info = {
"FFmpeg's libavcodec codec family",
"ffmpeg",
"A'rpi",
"A'rpi, Michael, Alex",
"native codecs"
};
#include "libavcodec/avcodec.h"
#if AVPALETTE_SIZE > 1024
#error palette too large, adapt libmpcodecs/vf.c:vf_get_image
#endif
#if CONFIG_XVMC
#include "libavcodec/xvmc.h"
#endif
int avcodec_initialized=0;
typedef struct {
AVCodecContext *avctx;
AVFrame *pic;
enum PixelFormat pix_fmt;
int do_slices;
int do_dr1;
int vo_initialized;
int best_csp;
int b_age;
int ip_age[2];
int qp_stat[32];
double qp_sum;
double inv_qp_sum;
int ip_count;
int b_count;
AVRational last_sample_aspect_ratio;
int lowres;
} vd_ffmpeg_ctx;
#include "m_option.h"
static int get_buffer(AVCodecContext *avctx, AVFrame *pic);
static void release_buffer(AVCodecContext *avctx, AVFrame *pic);
static void draw_slice(struct AVCodecContext *s, const AVFrame *src,
int offset[4], int y, int type, int height);
static enum PixelFormat get_format(struct AVCodecContext *avctx,
const enum PixelFormat *pix_fmt);
static void uninit(struct sh_video *sh);
const m_option_t lavc_decode_opts_conf[]={
OPT_INTRANGE("bug", lavc_param.workaround_bugs, 0, -1, 999999),
OPT_INTRANGE("er", lavc_param.error_resilience, 0, 0, 99),
OPT_FLAG_ON("gray", lavc_param.gray, 0),
OPT_INTRANGE("idct", lavc_param.idct_algo, 0, 0, 99),
OPT_INTRANGE("ec", lavc_param.error_concealment, 0, 0, 99),
OPT_FLAG_ON("vstats", lavc_param.vstats, 0),
OPT_INTRANGE("debug", lavc_param.debug, 0, 0, 9999999),
OPT_INTRANGE("vismv", lavc_param.vismv, 0, 0, 9999999),
OPT_INTRANGE("st", lavc_param.skip_top, 0, 0, 999),
OPT_INTRANGE("sb", lavc_param.skip_bottom, 0, 0, 999),
OPT_FLAG_CONSTANTS("fast", lavc_param.fast, 0, 0, CODEC_FLAG2_FAST),
OPT_STRING("lowres", lavc_param.lowres_str, 0),
OPT_STRING("skiploopfilter", lavc_param.skip_loop_filter_str, 0),
OPT_STRING("skipidct", lavc_param.skip_idct_str, 0),
OPT_STRING("skipframe", lavc_param.skip_frame_str, 0),
OPT_INTRANGE("threads", lavc_param.threads, 0, 0, 16),
OPT_FLAG_CONSTANTS("bitexact", lavc_param.bitexact, 0, 0, CODEC_FLAG_BITEXACT),
OPT_STRING("o", lavc_param.avopt, 0),
{NULL, NULL, 0, 0, 0, 0, NULL}
};
static enum AVDiscard str2AVDiscard(char *str) {
if (!str) return AVDISCARD_DEFAULT;
if (strcasecmp(str, "none" ) == 0) return AVDISCARD_NONE;
if (strcasecmp(str, "default") == 0) return AVDISCARD_DEFAULT;
if (strcasecmp(str, "nonref" ) == 0) return AVDISCARD_NONREF;
if (strcasecmp(str, "bidir" ) == 0) return AVDISCARD_BIDIR;
if (strcasecmp(str, "nonkey" ) == 0) return AVDISCARD_NONKEY;
if (strcasecmp(str, "all" ) == 0) return AVDISCARD_ALL;
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Unknown discard value %s\n", str);
return AVDISCARD_DEFAULT;
}
// to set/get/query special features/parameters
static int control(sh_video_t *sh, int cmd, void *arg, ...){
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
switch(cmd){
case VDCTRL_QUERY_FORMAT:
{
int format =(*((int *)arg));
if(format == ctx->best_csp) return CONTROL_TRUE;//supported
// possible conversions:
switch(format){
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
// "converted" using pointer/stride modification
if(ctx->best_csp == IMGFMT_YV12) return CONTROL_TRUE;// u/v swap
if(ctx->best_csp == IMGFMT_422P && !ctx->do_dr1) return CONTROL_TRUE;// half stride
break;
#if CONFIG_XVMC
case IMGFMT_XVMC_IDCT_MPEG2:
case IMGFMT_XVMC_MOCO_MPEG2:
if(avctx->pix_fmt==PIX_FMT_XVMC_MPEG2_IDCT) return CONTROL_TRUE;
#endif
}
return CONTROL_FALSE;
}
case VDCTRL_RESYNC_STREAM:
avcodec_flush_buffers(avctx);
return CONTROL_TRUE;
case VDCTRL_QUERY_UNSEEN_FRAMES:;
int delay = avctx->has_b_frames;
return delay + 10;
}
return CONTROL_UNKNOWN;
}
void init_avcodec(void)
{
if (!avcodec_initialized) {
avcodec_init();
avcodec_register_all();
avcodec_initialized = 1;
}
}
// init driver
static int init(sh_video_t *sh){
struct lavc_param *lavc_param = &sh->opts->lavc_param;
AVCodecContext *avctx;
vd_ffmpeg_ctx *ctx;
AVCodec *lavc_codec;
int lowres_w=0;
int do_vis_debug= lavc_param->vismv || (lavc_param->debug&(FF_DEBUG_VIS_MB_TYPE|FF_DEBUG_VIS_QP));
init_avcodec();
ctx = sh->context = talloc_zero(NULL, vd_ffmpeg_ctx);
lavc_codec = avcodec_find_decoder_by_name(sh->codec->dll);
if(!lavc_codec){
mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "Cannot find codec '%s' in libavcodec...\n", sh->codec->dll);
uninit(sh);
return 0;
}
if(sh->opts->vd_use_slices && (lavc_codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND) && !do_vis_debug)
ctx->do_slices=1;
if(lavc_codec->capabilities&CODEC_CAP_DR1 && !do_vis_debug && lavc_codec->id != CODEC_ID_H264 && lavc_codec->id != CODEC_ID_INTERPLAY_VIDEO && lavc_codec->id != CODEC_ID_ROQ && lavc_codec->id != CODEC_ID_VP8)
ctx->do_dr1=1;
ctx->b_age= ctx->ip_age[0]= ctx->ip_age[1]= 256*256*256*64;
ctx->ip_count= ctx->b_count= 0;
ctx->pic = avcodec_alloc_frame();
ctx->avctx = avcodec_alloc_context();
avctx = ctx->avctx;
avctx->opaque = sh;
avctx->codec_type = CODEC_TYPE_VIDEO;
avctx->codec_id = lavc_codec->id;
if (lavc_codec->capabilities & CODEC_CAP_HWACCEL // XvMC
|| lavc_codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) {
ctx->do_dr1 = true;
ctx->do_slices = true;
lavc_param->threads = 1;
avctx->get_format = get_format;
avctx->get_buffer = get_buffer;
avctx->release_buffer = release_buffer;
avctx->reget_buffer = get_buffer;
avctx->draw_horiz_band = draw_slice;
if (lavc_codec->capabilities & CODEC_CAP_HWACCEL)
mp_msg(MSGT_DECVIDEO, MSGL_V, "[VD_FFMPEG] XVMC-accelerated "
"MPEG-2.\n");
if (lavc_codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
mp_msg(MSGT_DECVIDEO, MSGL_V, "[VD_FFMPEG] VDPAU hardware "
"decoding.\n");
avctx->slice_flags = SLICE_FLAG_CODED_ORDER|SLICE_FLAG_ALLOW_FIELD;
}
if (lavc_param->threads == 0) {
int threads = default_thread_count();
if (threads < 1) {
mp_msg(MSGT_DECVIDEO, MSGL_WARN, "[VD_FFMPEG] Could not determine "
"thread count to use, defaulting to 1.\n");
threads = 1;
}
threads = FFMIN(threads, 16);
lavc_param->threads = threads;
}
/* Our get_buffer and draw_horiz_band callbacks are not safe to call
* from other threads. */
if (lavc_param->threads > 1) {
ctx->do_dr1 = false;
ctx->do_slices = false;
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Asking decoder to use "
"%d threads if supported.\n", lavc_param->threads);
}
if(ctx->do_dr1){
avctx->flags|= CODEC_FLAG_EMU_EDGE;
avctx->get_buffer= get_buffer;
avctx->release_buffer= release_buffer;
avctx->reget_buffer= get_buffer;
}
avctx->flags|= lavc_param->bitexact;
avctx->coded_width = sh->disp_w;
avctx->coded_height= sh->disp_h;
avctx->workaround_bugs= lavc_param->workaround_bugs;
avctx->error_recognition= lavc_param->error_resilience;
if(lavc_param->gray) avctx->flags|= CODEC_FLAG_GRAY;
avctx->flags2|= lavc_param->fast;
avctx->codec_tag= sh->format;
avctx->stream_codec_tag= sh->video.fccHandler;
avctx->idct_algo= lavc_param->idct_algo;
avctx->error_concealment= lavc_param->error_concealment;
avctx->debug= lavc_param->debug;
if (lavc_param->debug)
av_log_set_level(AV_LOG_DEBUG);
avctx->debug_mv= lavc_param->vismv;
avctx->skip_top = lavc_param->skip_top;
avctx->skip_bottom= lavc_param->skip_bottom;
if(lavc_param->lowres_str != NULL)
{
sscanf(lavc_param->lowres_str, "%d,%d", &ctx->lowres, &lowres_w);
if(ctx->lowres < 1 || ctx->lowres > 16 || (lowres_w > 0 && avctx->width < lowres_w))
ctx->lowres = 0;
avctx->lowres = ctx->lowres;
}
avctx->skip_loop_filter = str2AVDiscard(lavc_param->skip_loop_filter_str);
avctx->skip_idct = str2AVDiscard(lavc_param->skip_idct_str);
avctx->skip_frame = str2AVDiscard(lavc_param->skip_frame_str);
if(lavc_param->avopt){
if(parse_avopts(avctx, lavc_param->avopt) < 0){
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", lavc_param->avopt);
uninit(sh);
return 0;
}
}
mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "libavcodec.size: %d x %d\n", avctx->width, avctx->height);
switch (sh->format) {
case mmioFOURCC('S','V','Q','3'):
/* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
in the phony AVI header if demux_lavf is used. The first case is
handled here; the second case falls through to the next section. */
if (sh->ImageDesc) {
avctx->extradata_size = (*(int *)sh->ImageDesc) - sizeof(int);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, ((int *)sh->ImageDesc)+1, avctx->extradata_size);
break;
}
/* fallthrough */
case mmioFOURCC('A','V','R','n'):
case mmioFOURCC('M','J','P','G'):
/* AVRn stores huffman table in AVI header */
/* Pegasus MJPEG stores it also in AVI header, but it uses the common
MJPG fourcc :( */
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
avctx->flags |= CODEC_FLAG_EXTERN_HUFF;
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
#if 0
{
int x;
uint8_t *p = avctx->extradata;
for (x=0; x<avctx->extradata_size; x++)
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "[%x] ", p[x]);
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "\n");
}
#endif
break;
case mmioFOURCC('R', 'V', '1', '0'):
case mmioFOURCC('R', 'V', '1', '3'):
case mmioFOURCC('R', 'V', '2', '0'):
case mmioFOURCC('R', 'V', '3', '0'):
case mmioFOURCC('R', 'V', '4', '0'):
if(sh->bih->biSize<sizeof(*sh->bih)+8){
/* only 1 packet per frame & sub_id from fourcc */
avctx->extradata_size= 8;
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
((uint32_t *)avctx->extradata)[0] = 0;
((uint32_t *)avctx->extradata)[1] =
(sh->format == mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000;
} else {
/* has extra slice header (demux_rm or rm->avi streamcopy) */
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
}
avctx->sub_id= AV_RB32(avctx->extradata+4);
// printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]);
break;
default:
if (!sh->bih || sh->bih->biSize <= sizeof(*sh->bih))
break;
avctx->extradata_size = sh->bih->biSize-sizeof(*sh->bih);
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
break;
}
/* Pass palette to codec */
if (sh->bih && (sh->bih->biBitCount <= 8)) {
avctx->palctrl = calloc(1, sizeof(AVPaletteControl));
avctx->palctrl->palette_changed = 1;
if (sh->bih->biSize-sizeof(*sh->bih))
/* Palette size in biSize */
memcpy(avctx->palctrl->palette, sh->bih+1,
FFMIN(sh->bih->biSize-sizeof(*sh->bih), AVPALETTE_SIZE));
else
/* Palette size in biClrUsed */
memcpy(avctx->palctrl->palette, sh->bih+1,
FFMIN(sh->bih->biClrUsed * 4, AVPALETTE_SIZE));
}
if(sh->bih)
avctx->bits_per_coded_sample= sh->bih->biBitCount;
if(lavc_param->threads > 1)
avcodec_thread_init(avctx, lavc_param->threads);
/* open it */
if (avcodec_open(avctx, lavc_codec) < 0) {
mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "Could not open codec.\n");
uninit(sh);
return 0;
}
mp_msg(MSGT_DECVIDEO, MSGL_V, "INFO: libavcodec init OK!\n");
return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12);
}
// uninit driver
static void uninit(sh_video_t *sh){
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
if(sh->opts->lavc_param.vstats){
int i;
for(i=1; i<32; i++){
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "QP: %d, count: %d\n", i, ctx->qp_stat[i]);
}
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "[VD_FFMPEG] Arithmetic mean of QP: %2.4f, Harmonic mean of QP: %2.4f\n",
ctx->qp_sum / avctx->coded_frame->coded_picture_number,
1.0/(ctx->inv_qp_sum / avctx->coded_frame->coded_picture_number)
);
}
if (avctx) {
if (avctx->codec && avcodec_close(avctx) < 0)
mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "Could not close codec.\n");
av_freep(&avctx->extradata);
free(avctx->palctrl);
av_freep(&avctx->slice_offset);
}
av_freep(&avctx);
av_freep(&ctx->pic);
talloc_free(ctx);
}
static void draw_slice(struct AVCodecContext *s,
const AVFrame *src, int offset[4],
int y, int type, int height){
sh_video_t *sh = s->opaque;
uint8_t *source[MP_MAX_PLANES]= {src->data[0] + offset[0], src->data[1] + offset[1], src->data[2] + offset[2]};
int strides[MP_MAX_PLANES] = {src->linesize[0], src->linesize[1], src->linesize[2]};
#if 0
int start=0, i;
int width= s->width;
vd_ffmpeg_ctx *ctx = sh->context;
int skip_stride= ((width << ctx->lowres)+15)>>4;
uint8_t *skip= &s->coded_frame->mbskip_table[(y>>4)*skip_stride];
int threshold= s->coded_frame->age;
if(s->pict_type!=B_TYPE){
for(i=0; i*16<width+16; i++){
if(i*16>=width || skip[i]>=threshold){
if(start==i) start++;
else{
uint8_t *src2[3]= {src[0] + start*16,
src[1] + start*8,
src[2] + start*8};
//printf("%2d-%2d x %d\n", start, i, y);
mpcodecs_draw_slice (sh, src2, stride, (i-start)*16, height, start*16, y);
start= i+1;
}
}
}
}else
#endif
if (height < 0)
{
int i;
height = -height;
y -= height;
for (i = 0; i < MP_MAX_PLANES; i++)
{
strides[i] = -strides[i];
source[i] -= strides[i];
}
}
if (y < sh->disp_h) {
height = FFMIN(height, sh->disp_h-y);
mpcodecs_draw_slice (sh, source, strides, sh->disp_w, height, 0, y);
}
}
static int init_vo(sh_video_t *sh, enum PixelFormat pix_fmt){
vd_ffmpeg_ctx *ctx = sh->context;
AVCodecContext *avctx = ctx->avctx;
float aspect= av_q2d(avctx->sample_aspect_ratio) * avctx->width / avctx->height;
int width, height;
width = avctx->width;
height = avctx->height;
// HACK!
// if sh->ImageDesc is non-NULL, it means we decode QuickTime(tm) video.
// use dimensions from BIH to avoid black borders at the right and bottom.
if (sh->bih && sh->ImageDesc) {
width = sh->bih->biWidth >> ctx->lowres;
height = sh->bih->biHeight >> ctx->lowres;
}
// it is possible another vo buffers to be used after vo config()
// lavc reset its buffers on width/heigh change but not on aspect change!!!
if (av_cmp_q(avctx->sample_aspect_ratio, ctx->last_sample_aspect_ratio) ||
width != sh->disp_w ||
height != sh->disp_h ||
pix_fmt != ctx->pix_fmt ||
!ctx->vo_initialized)
{
ctx->vo_initialized = 0;
mp_msg(MSGT_DECVIDEO, MSGL_V, "[ffmpeg] aspect_ratio: %f\n", aspect);
// Do not overwrite s->aspect on the first call, so that a container
// aspect if available is preferred.
// But set it even if the sample aspect did not change, since a
// resolution change can cause an aspect change even if the
// _sample_ aspect is unchanged.
if (sh->aspect == 0 || ctx->last_sample_aspect_ratio.den)
sh->aspect = aspect;
ctx->last_sample_aspect_ratio = avctx->sample_aspect_ratio;
sh->disp_w = width;
sh->disp_h = height;
ctx->pix_fmt = pix_fmt;
ctx->best_csp = pixfmt2imgfmt(pix_fmt);
if (!mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, ctx->best_csp))
return -1;
ctx->vo_initialized = 1;
}
return 0;
}
static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
sh_video_t *sh = avctx->opaque;
vd_ffmpeg_ctx *ctx = sh->context;
mp_image_t *mpi=NULL;
int flags= MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE;
int type= MP_IMGTYPE_IPB;
int width= avctx->width;
int height= avctx->height;
avcodec_align_dimensions(avctx, &width, &height);
//printf("get_buffer %d %d %d\n", pic->reference, ctx->ip_count, ctx->b_count);
if (pic->buffer_hints) {
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Buffer hints: %u\n", pic->buffer_hints);
type = MP_IMGTYPE_TEMP;
if (pic->buffer_hints & FF_BUFFER_HINTS_READABLE)
flags |= MP_IMGFLAG_READABLE;
if (pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) {
type = MP_IMGTYPE_STATIC;
flags |= MP_IMGFLAG_PRESERVE;
}
if (pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) {
type = MP_IMGTYPE_STATIC;
flags |= MP_IMGFLAG_PRESERVE;
}
flags|=(!avctx->hurry_up && ctx->do_slices) ?
MP_IMGFLAG_DRAW_CALLBACK:0;
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, type == MP_IMGTYPE_STATIC ? "using STATIC\n" : "using TEMP\n");
} else {
if(!pic->reference){
ctx->b_count++;
flags|=(!avctx->hurry_up && ctx->do_slices) ?
MP_IMGFLAG_DRAW_CALLBACK:0;
}else{
ctx->ip_count++;
flags|= MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE
| (ctx->do_slices ? MP_IMGFLAG_DRAW_CALLBACK : 0);
}
}
if(init_vo(sh, avctx->pix_fmt) < 0){
avctx->release_buffer= avcodec_default_release_buffer;
avctx->get_buffer= avcodec_default_get_buffer;
return avctx->get_buffer(avctx, pic);
}
if (IMGFMT_IS_HWACCEL(ctx->best_csp)) {
type = MP_IMGTYPE_NUMBERED | (0xffff << 16);
} else
if (!pic->buffer_hints) {
if(ctx->b_count>1 || ctx->ip_count>2){
mp_tmsg(MSGT_DECVIDEO, MSGL_WARN, "[VD_FFMPEG] DRI failure.\n");
ctx->do_dr1=0; //FIXME
avctx->get_buffer= avcodec_default_get_buffer;
return avctx->get_buffer(avctx, pic);
}
if(avctx->has_b_frames || ctx->b_count){
type= MP_IMGTYPE_IPB;
}else{
type= MP_IMGTYPE_IP;
}
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, type== MP_IMGTYPE_IPB ? "using IPB\n" : "using IP\n");
}
if (ctx->best_csp == IMGFMT_RGB8 || ctx->best_csp == IMGFMT_BGR8)
flags |= MP_IMGFLAG_RGB_PALETTE;
mpi= mpcodecs_get_image(sh, type, flags, width, height);
if (!mpi) return -1;
// ok, let's see what did we get:
if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK &&
!(mpi->flags&MP_IMGFLAG_DIRECT)){
// nice, filter/vo likes draw_callback :)
avctx->draw_horiz_band= draw_slice;
} else
avctx->draw_horiz_band= NULL;
if(IMGFMT_IS_HWACCEL(mpi->imgfmt)) {
avctx->draw_horiz_band= draw_slice;
}
#if CONFIG_XVMC
if(IMGFMT_IS_XVMC(mpi->imgfmt)) {
struct xvmc_pix_fmt *render = mpi->priv; //same as data[2]
if(!avctx->xvmc_acceleration) {
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "[VD_FFMPEG] The mc_get_buffer should work only with XVMC acceleration!!");
assert(0);
exit(1);
// return -1;//!!fixme check error conditions in ffmpeg
}
if(!(mpi->flags & MP_IMGFLAG_DIRECT)) {
mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "[VD_FFMPEG] Only buffers allocated by vo_xvmc allowed.\n");
assert(0);
exit(1);
// return -1;//!!fixme check error conditions in ffmpeg
}
if(mp_msg_test(MSGT_DECVIDEO, MSGL_DBG5))
mp_msg(MSGT_DECVIDEO, MSGL_DBG5, "vd_ffmpeg::get_buffer (xvmc render=%p)\n", render);
assert(render != 0);
assert(render->xvmc_id == AV_XVMC_ID);
render->state |= AV_XVMC_STATE_PREDICTION;
}
#endif
pic->data[0]= mpi->planes[0];
pic->data[1]= mpi->planes[1];
pic->data[2]= mpi->planes[2];
pic->data[3]= mpi->planes[3];
#if 0
assert(mpi->width >= ((width +align)&(~align)));
assert(mpi->height >= ((height+align)&(~align)));
assert(mpi->stride[0] >= mpi->width);
if(mpi->imgfmt==IMGFMT_I420 || mpi->imgfmt==IMGFMT_YV12 || mpi->imgfmt==IMGFMT_IYUV){
const int y_size= mpi->stride[0] * (mpi->h-1) + mpi->w;
const int c_size= mpi->stride[1] * ((mpi->h>>1)-1) + (mpi->w>>1);
assert(mpi->planes[0] > mpi->planes[1] || mpi->planes[0] + y_size <= mpi->planes[1]);
assert(mpi->planes[0] > mpi->planes[2] || mpi->planes[0] + y_size <= mpi->planes[2]);
assert(mpi->planes[1] > mpi->planes[0] || mpi->planes[1] + c_size <= mpi->planes[0]);
assert(mpi->planes[1] > mpi->planes[2] || mpi->planes[1] + c_size <= mpi->planes[2]);
assert(mpi->planes[2] > mpi->planes[0] || mpi->planes[2] + c_size <= mpi->planes[0]);
assert(mpi->planes[2] > mpi->planes[1] || mpi->planes[2] + c_size <= mpi->planes[1]);
}
#endif
/* Note, some (many) codecs in libavcodec must have stride1==stride2 && no changes between frames
* lavc will check that and die with an error message, if its not true
*/
pic->linesize[0]= mpi->stride[0];
pic->linesize[1]= mpi->stride[1];
pic->linesize[2]= mpi->stride[2];
pic->linesize[3]= mpi->stride[3];
pic->opaque = mpi;
//printf("%X\n", (int)mpi->planes[0]);
#if 0
if(mpi->flags&MP_IMGFLAG_DIRECT)
printf("D");
else if(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)
printf("S");
else
printf(".");
#endif
if(pic->reference){
pic->age= ctx->ip_age[0];
ctx->ip_age[0]= ctx->ip_age[1]+1;
ctx->ip_age[1]= 1;
ctx->b_age++;
}else{
pic->age= ctx->b_age;
ctx->ip_age[0]++;
ctx->ip_age[1]++;
ctx->b_age=1;
}
pic->type= FF_BUFFER_TYPE_USER;
/* The libavcodec reordered_opaque functionality is implemented by
* a similar copy in avcodec_default_get_buffer() and without a
* workaround like this it'd stop working when a custom buffer
* callback is used.
*/
pic->reordered_opaque = avctx->reordered_opaque;
return 0;
}
static void release_buffer(struct AVCodecContext *avctx, AVFrame *pic){
mp_image_t *mpi= pic->opaque;
sh_video_t *sh = avctx->opaque;
vd_ffmpeg_ctx *ctx = sh->context;
int i;
//printf("release buffer %d %d %d\n", mpi ? mpi->flags&MP_IMGFLAG_PRESERVE : -99, ctx->ip_count, ctx->b_count);
if(ctx->ip_count <= 2 && ctx->b_count<=1){
if(mpi->flags&MP_IMGFLAG_PRESERVE)
ctx->ip_count--;
else
ctx->b_count--;
}
if (mpi) {
// Palette support: free palette buffer allocated in get_buffer
if (mpi->bpp == 8)
av_freep(&mpi->planes[1]);
#if CONFIG_XVMC
if (IMGFMT_IS_XVMC(mpi->imgfmt)) {
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)pic->data[2]; //same as mpi->priv
if(mp_msg_test(MSGT_DECVIDEO, MSGL_DBG5))
mp_msg(MSGT_DECVIDEO, MSGL_DBG5, "vd_ffmpeg::release_buffer (xvmc render=%p)\n", render);
assert(render!=NULL);
assert(render->xvmc_id == AV_XVMC_ID);
render->state&=~AV_XVMC_STATE_PREDICTION;
}
#endif
// release mpi (in case MPI_IMGTYPE_NUMBERED is used, e.g. for VDPAU)
mpi->usage_count--;
}
if(pic->type!=FF_BUFFER_TYPE_USER){
avcodec_default_release_buffer(avctx, pic);
return;
}
for(i=0; i<4; i++){
pic->data[i]= NULL;
}
//printf("R%X %X\n", pic->linesize[0], pic->data[0]);
}
// copypaste from demux_real.c - it should match to get it working!
//FIXME put into some header
typedef struct dp_hdr_s {
uint32_t chunks; // number of chunks
uint32_t timestamp; // timestamp from packet header
uint32_t len; // length of actual data
uint32_t chunktab; // offset to chunk offset array
} dp_hdr_t;
static av_unused void swap_palette(void *pal)
{
int i;
uint32_t *p = pal;
for (i = 0; i < AVPALETTE_COUNT; i++)
p[i] = le2me_32(p[i]);
}
// decode a frame
static struct mp_image *decode(struct sh_video *sh, void *data, int len,
int flags, double *reordered_pts)
{
int got_picture=0;
int ret;
vd_ffmpeg_ctx *ctx = sh->context;
AVFrame *pic= ctx->pic;
AVCodecContext *avctx = ctx->avctx;
struct lavc_param *lavc_param = &sh->opts->lavc_param;
mp_image_t *mpi=NULL;
int dr1= ctx->do_dr1;
AVPacket pkt;
if(len<=0) return NULL; // skipped frame
//ffmpeg interlace (mpeg2) bug have been fixed. no need of -noslices
if (!dr1)
avctx->draw_horiz_band=NULL;
if(ctx->vo_initialized && !(flags&3) && !dr1){
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE |
(ctx->do_slices?MP_IMGFLAG_DRAW_CALLBACK:0),
sh->disp_w, sh->disp_h);
if(mpi && mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
// vd core likes slices!
avctx->draw_horiz_band=draw_slice;
}
}
if (flags & 2)
avctx->skip_frame = AVDISCARD_ALL;
else if (flags & 1)
avctx->skip_frame = AVDISCARD_NONREF;
else
avctx->skip_frame = 0;
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "vd_ffmpeg data: %04x, %04x, %04x, %04x\n",
((int *)data)[0], ((int *)data)[1], ((int *)data)[2], ((int *)data)[3]);
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
// HACK: make PNGs decode normally instead of as CorePNG delta frames
pkt.flags = PKT_FLAG_KEY;
// The avcodec opaque field stupidly supports only int64_t type
*(double *)&avctx->reordered_opaque = *reordered_pts;
ret = avcodec_decode_video2(avctx, pic, &got_picture, &pkt);
*reordered_pts = *(double *)&pic->reordered_opaque;
dr1= ctx->do_dr1;
if(ret<0) mp_msg(MSGT_DECVIDEO, MSGL_WARN, "Error while decoding frame!\n");
//printf("repeat: %d\n", pic->repeat_pict);
//-- vstats generation
while(lavc_param->vstats){ // always one time loop
static FILE *fvstats=NULL;
char filename[20];
static long long int all_len=0;
static int frame_number=0;
static double all_frametime=0.0;
AVFrame *pic= avctx->coded_frame;
double quality=0.0;
if(!fvstats) {
time_t today2;
struct tm *today;
today2 = time(NULL);
today = localtime(&today2);
sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
today->tm_min, today->tm_sec);
fvstats = fopen(filename, "w");
if(!fvstats) {
perror("fopen");
lavc_param->vstats=0; // disable block
break;
/*exit(1);*/
}
}
// average MB quantizer
{
int x, y;
int w = ((avctx->width << ctx->lowres)+15) >> 4;
int h = ((avctx->height << ctx->lowres)+15) >> 4;
int8_t *q = pic->qscale_table;
for(y = 0; y < h; y++) {
for(x = 0; x < w; x++)
quality += (double)*(q+x);
q += pic->qstride;
}
quality /= w * h;
}
all_len+=len;
all_frametime+=sh->frametime;
fprintf(fvstats, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ",
++frame_number, quality, len, (double)all_len/1024);
fprintf(fvstats, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
all_frametime, (double)(len*8)/sh->frametime/1000.0,
(double)(all_len*8)/all_frametime/1000.0);
switch(pic->pict_type){
case FF_I_TYPE:
fprintf(fvstats, "type= I\n");
break;
case FF_P_TYPE:
fprintf(fvstats, "type= P\n");
break;
case FF_S_TYPE:
fprintf(fvstats, "type= S\n");
break;
case FF_B_TYPE:
fprintf(fvstats, "type= B\n");
break;
default:
fprintf(fvstats, "type= ? (%d)\n", pic->pict_type);
break;
}
ctx->qp_stat[(int)(quality+0.5)]++;
ctx->qp_sum += quality;
ctx->inv_qp_sum += 1.0/(double)quality;
break;
}
//--
if(!got_picture) return NULL; // skipped image
if(init_vo(sh, avctx->pix_fmt) < 0) return NULL;
if(dr1 && pic->opaque){
mpi= (mp_image_t *)pic->opaque;
}
if(!mpi)
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_PRESERVE,
avctx->width, avctx->height);
if(!mpi){ // temporary!
mp_tmsg(MSGT_DECVIDEO, MSGL_WARN, "[VD_FFMPEG] Couldn't allocate image for codec.\n");
return NULL;
}
if(!dr1){
mpi->planes[0]=pic->data[0];
mpi->planes[1]=pic->data[1];
mpi->planes[2]=pic->data[2];
mpi->planes[3]=pic->data[3];
mpi->stride[0]=pic->linesize[0];
mpi->stride[1]=pic->linesize[1];
mpi->stride[2]=pic->linesize[2];
mpi->stride[3]=pic->linesize[3];
}
if (!mpi->planes[0])
return NULL;
if(ctx->best_csp == IMGFMT_422P && mpi->chroma_y_shift==1){
// we have 422p but user wants 420p
mpi->stride[1]*=2;
mpi->stride[2]*=2;
}
#if HAVE_BIGENDIAN
// FIXME: this might cause problems for buffers with FF_BUFFER_HINTS_PRESERVE
if (mpi->bpp == 8)
swap_palette(mpi->planes[1]);
#endif
/* to comfirm with newer lavc style */
mpi->qscale =pic->qscale_table;
mpi->qstride=pic->qstride;
mpi->pict_type=pic->pict_type;
mpi->qscale_type= pic->qscale_type;
mpi->fields = MP_IMGFIELD_ORDERED;
if(pic->interlaced_frame) mpi->fields |= MP_IMGFIELD_INTERLACED;
if(pic->top_field_first ) mpi->fields |= MP_IMGFIELD_TOP_FIRST;
if(pic->repeat_pict == 1) mpi->fields |= MP_IMGFIELD_REPEAT_FIRST;
return mpi;
}
static enum PixelFormat get_format(struct AVCodecContext *avctx,
const enum PixelFormat *fmt){
enum PixelFormat selected_format;
int imgfmt;
sh_video_t *sh = avctx->opaque;
int i;
for(i=0;fmt[i]!=PIX_FMT_NONE;i++){
imgfmt = pixfmt2imgfmt(fmt[i]);
if(!IMGFMT_IS_HWACCEL(imgfmt)) continue;
mp_msg(MSGT_DECVIDEO, MSGL_V, "[VD_FFMPEG] Trying pixfmt=%d.\n", i);
if(init_vo(sh, fmt[i]) >= 0) {
break;
}
}
selected_format = fmt[i];
return selected_format;
}
const struct vd_functions mpcodecs_vd_ffmpeg = {
.info = &info,
.init = init,
.uninit = uninit,
.control = control,
.decode2 = decode
};
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