mirror/mpv
0
0
Fork 0
mirror of https://github.com/mpv-player/mpv.git synced 2024-09-20 20:03:10 +02:00
Code

Support for paletted codecs in ffmpeg

Browse Source 
Support buffer hints from ffmpeg codecs
Support ffmpeg image formats bgr24, rgb555, pal8


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11421 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rtognimp 2003-11-09 23:55:28 +00:00
parent 58898b2fad
commit dd8934e90d
1 changed files with 64 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
libmpcodecs/vd_ffmpeg.c
View File

@ -181,6 +181,11 @@ static int init(sh_video_t *sh){
ctx->avctx = avcodec_alloc_context();
avctx = ctx->avctx;
#if LIBAVCODEC_BUILD >= 4691
if(lavc_codec->capabilities&CODEC_CAP_CR)
avctx->cr_available = 1;
#endif
#ifdef HAVE_XVMC
if(lavc_codec->id == CODEC_ID_MPEG2VIDEO_XVMC){
printf("vd_ffmpeg: XVMC accelerated MPEG2\n");
@ -276,6 +281,21 @@ static int init(sh_video_t *sh){
avctx->extradata = malloc(avctx->extradata_size);
memcpy(avctx->extradata, sh->bih+1, avctx->extradata_size);
}
/* Pass palette to codec */
#if LIBAVCODEC_BUILD >= 4689
if (sh->bih && (sh->bih->biBitCount <= 8)) {
avctx->palctrl = (AVPaletteControl*)calloc(1,sizeof(AVPaletteControl));
avctx->palctrl->palette_changed = 1;
if (sh->bih->biSize-sizeof(BITMAPINFOHEADER))
/* Palette size in biSize */
memcpy(avctx->palctrl->palette, sh->bih+1,
min(sh->bih->biSize-sizeof(BITMAPINFOHEADER), AVPALETTE_SIZE));
else
/* Palette size in biClrUsed */
memcpy(avctx->palctrl->palette, sh->bih+1,
min(sh->bih->biClrUsed * 4, AVPALETTE_SIZE));
}
#endif
if (sh->ImageDesc &&
sh->format == mmioFOURCC('S','V','Q','3')){
avctx->extradata_size = *(int*)sh->ImageDesc;
@ -318,6 +338,9 @@ static void uninit(sh_video_t *sh){
if (avctx->extradata_size)
free(avctx->extradata);
avctx->extradata=NULL;
if (avctx->palctrl)
free(avctx->palctrl);
avctx->palctrl=NULL;
if(avctx->slice_offset!=NULL)
free(avctx->slice_offset);
avctx->slice_offset=NULL;
@ -413,6 +436,9 @@ static int init_vo(sh_video_t *sh){
case PIX_FMT_YUV422: ctx->best_csp=IMGFMT_YUY2;break; //huffyuv perhaps in the future
case PIX_FMT_RGB24 : ctx->best_csp=IMGFMT_BGR24;break; //huffyuv
case PIX_FMT_RGBA32: ctx->best_csp=IMGFMT_BGR32;break; //huffyuv / mjpeg
case PIX_FMT_BGR24 : ctx->best_csp=IMGFMT_BGR24;break; //8bps
case PIX_FMT_RGB555: ctx->best_csp=IMGFMT_BGR15;break; //rpza,cram
case PIX_FMT_PAL8: ctx->best_csp=IMGFMT_BGR8;break; //8bps,mrle,cram
#ifdef HAVE_XVMC
case PIX_FMT_XVMC_MPEG2_MC:ctx->best_csp=IMGFMT_XVMC_MOCO_MPEG2;break;
case PIX_FMT_XVMC_MPEG2_IDCT:ctx->best_csp=IMGFMT_XVMC_IDCT_MPEG2;break;
@ -420,7 +446,6 @@ static int init_vo(sh_video_t *sh){
default:
ctx->best_csp=0;
}
if (!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h, ctx->best_csp))
return -1;
}
@ -440,6 +465,25 @@ static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
if(avctx->pix_fmt == PIX_FMT_YUV410P)
align=63; //yes seriously, its really needed (16x16 chroma blocks in SVQ1 -> 64x64)
#if LIBAVCODEC_BUILD >= 4691
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 {
#endif
if(!pic->reference){
ctx->b_count++;
flags|=(!avctx->hurry_up && ctx->do_slices) ?
@ -449,6 +493,9 @@ static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
flags|= MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE
| (ctx->do_slices ? MP_IMGFLAG_DRAW_CALLBACK : 0);
}
#if LIBAVCODEC_BUILD >= 4691
}
#endif
if(init_vo(sh)<0){
avctx->release_buffer= avcodec_default_release_buffer;
@ -456,6 +503,9 @@ static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
return avctx->get_buffer(avctx, pic);
}
#if LIBAVCODEC_BUILD >= 4691
if (!pic->buffer_hints) {
#endif
if(ctx->b_count>1 || ctx->ip_count>2){
printf("DR1 failure\n");
@ -470,6 +520,9 @@ static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
type= MP_IMGTYPE_IP;
}
mp_msg(MSGT_DECVIDEO,MSGL_DBG2, type== MP_IMGTYPE_IPB ? "using IPB\n" : "using IP\n");
#if LIBAVCODEC_BUILD >= 4691
}
#endif
mpi= mpcodecs_get_image(sh,type, flags,
(width+align)&(~align), (height+align)&(~align));
@ -481,6 +534,11 @@ static int get_buffer(AVCodecContext *avctx, AVFrame *pic){
avctx->draw_horiz_band= draw_slice;
} else
avctx->draw_horiz_band= NULL;
// Palette support: libavcodec copies palette to *data[1]
if (mpi->bpp == 8)
mpi->planes[1] = malloc(AVPALETTE_SIZE);
pic->data[0]= mpi->planes[0];
pic->data[1]= mpi->planes[1];
pic->data[2]= mpi->planes[2];
@ -552,6 +610,11 @@ static void release_buffer(struct AVCodecContext *avctx, AVFrame *pic){
else
ctx->b_count--;
}
// Palette support: free palette buffer allocated in get_buffer
if ((mpi->bpp == 8) && (mpi->planes[1] != NULL))
free(mpi->planes[1]);
#if LIBAVCODEC_BUILD >= 4644
if(pic->type!=FF_BUFFER_TYPE_USER){
avcodec_default_release_buffer(avctx, pic);