dxva: support DXGI_FORMAT_420_OPAQUE decoding

[ffmpeg] / libavcodec / h264dec.c

diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c
index 25aeba7d71a0daf154e6c3bd536047ddfdd20975..c7abd9d45d56593c88e5158b312365618c76358d 100644 (file)
--- a/libavcodec/h264dec.c
+++ b/libavcodec/h264dec.c
@@ -309,6 +309,9 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
     h->avctx                 = avctx;
     h->cur_chroma_format_idc = -1;
 
+    h->width_from_caller     = avctx->width;
+    h->height_from_caller    = avctx->height;
+
     h->picture_structure     = PICT_FRAME;
     h->workaround_bugs       = avctx->workaround_bugs;
     h->flags                 = avctx->flags;
@@ -388,7 +391,7 @@ static av_cold int h264_decode_end(AVCodecContext *avctx)
 
 static AVOnce h264_vlc_init = AV_ONCE_INIT;
 
-av_cold int ff_h264_decode_init(AVCodecContext *avctx)
+static av_cold int h264_decode_init(AVCodecContext *avctx)
 {
     H264Context *h = avctx->priv_data;
     int ret;
@@ -845,8 +848,6 @@ static int get_consumed_bytes(int pos, int buf_size)
 static int output_frame(H264Context *h, AVFrame *dst, H264Picture *srcp)
 {
     AVFrame *src = srcp->f;
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(src->format);
-    int i;
     int ret;
 
     if (src->format == AV_PIX_FMT_VIDEOTOOLBOX && src->buf[0]->size == 1)
@@ -860,16 +861,7 @@ static int output_frame(H264Context *h, AVFrame *dst, H264Picture *srcp)
 
     if (srcp->sei_recovery_frame_cnt == 0)
         dst->key_frame = 1;
-    if (!srcp->crop)
-        return 0;
 
-    for (i = 0; i < desc->nb_components; i++) {
-        int hshift = (i > 0) ? desc->log2_chroma_w : 0;
-        int vshift = (i > 0) ? desc->log2_chroma_h : 0;
-        int off    = ((srcp->crop_left >> hshift) << h->pixel_shift) +
-                      (srcp->crop_top  >> vshift) * dst->linesize[i];
-        dst->data[i] += off;
-    }
     return 0;
 }
 
@@ -1072,13 +1064,13 @@ AVCodec ff_h264_decoder = {
     .type                  = AVMEDIA_TYPE_VIDEO,
     .id                    = AV_CODEC_ID_H264,
     .priv_data_size        = sizeof(H264Context),
-    .init                  = ff_h264_decode_init,
+    .init                  = h264_decode_init,
     .close                 = h264_decode_end,
     .decode                = h264_decode_frame,
     .capabilities          = /*AV_CODEC_CAP_DRAW_HORIZ_BAND |*/ AV_CODEC_CAP_DR1 |
                              AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS |
                              AV_CODEC_CAP_FRAME_THREADS,
-    .caps_internal         = FF_CODEC_CAP_INIT_THREADSAFE,
+    .caps_internal         = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_EXPORTS_CROPPING,
     .flush                 = flush_dpb,
     .init_thread_copy      = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_h264_update_thread_context),
@@ -1100,7 +1092,7 @@ AVCodec ff_h264_vdpau_decoder = {
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_H264,
     .priv_data_size = sizeof(H264Context),
-    .init           = ff_h264_decode_init,
+    .init           = h264_decode_init,
     .close          = h264_decode_end,
     .decode         = h264_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HWACCEL_VDPAU,