Revert "lavc: remove FF_API_HURRY_UP cruft"

This reverts commit e7021c0ed5d1265d5b4f0f01a01f840196a70415.

14 files changed, 96 insertions, 2 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 35037979b5..78715e4f0f 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1340,6 +1340,16 @@ typedef struct AVCodecContext {
 
     int b_frame_strategy;
 
+#if FF_API_HURRY_UP
+    /**
+     * hurry up amount
+     * - encoding: unused
+     * - decoding: Set by user. 1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
+     * @deprecated Deprecated in favor of skip_idct and skip_frame.
+     */
+    attribute_deprecated int hurry_up;
+#endif
+
     struct AVCodec *codec;
 
     void *priv_data;
diff --git a/libavcodec/h261dec.c b/libavcodec/h261dec.c
index d732123d3e..060aef6173 100644
--- a/libavcodec/h261dec.c
+++ b/libavcodec/h261dec.c
@@ -599,6 +599,10 @@ retry:
     s->current_picture.pict_type= s->pict_type;
     s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
 
+#if FF_API_HURRY_UP
+    /* skip everything if we are in a hurry>=5 */
+    if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
+#endif
     if(  (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
        ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
        || avctx->skip_frame >= AVDISCARD_ALL)
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 72622e693f..4151f4b012 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -612,10 +612,18 @@ retry:
 
     /* skip B-frames if we don't have reference frames */
     if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size);
+#if FF_API_HURRY_UP
+    /* skip b frames if we are in a hurry */
+    if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return get_consumed_bytes(s, buf_size);
+#endif
     if(   (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
        || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
        ||  avctx->skip_frame >= AVDISCARD_ALL)
         return get_consumed_bytes(s, buf_size);
+#if FF_API_HURRY_UP
+    /* skip everything if we are in a hurry>=5 */
+    if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
+#endif
 
     if(s->next_p_frame_damaged){
         if(s->pict_type==FF_B_TYPE)
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 285dbeadd6..22a57866d4 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -2966,7 +2966,11 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
         buf_index += consumed;
 
         //FIXME do not discard SEI id
-        if(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0)
+        if(
+#if FF_API_HURRY_UP
+           (s->hurry_up == 1 && h->nal_ref_idc  == 0) ||
+#endif
+           (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0))
             continue;
 
       again:
@@ -3003,6 +3007,9 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
             }
 
             if(hx->redundant_pic_count==0
+#if FF_API_HURRY_UP
+               && hx->s.hurry_up < 5
+#endif
                && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || hx->slice_type_nos!=FF_B_TYPE)
                && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
@@ -3040,6 +3047,9 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
 
             if(hx->redundant_pic_count==0 && hx->intra_gb_ptr && hx->s.data_partitioning
                && s->context_initialized
+#if FF_API_HURRY_UP
+               && s->hurry_up < 5
+#endif
                && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || hx->slice_type_nos!=FF_B_TYPE)
                && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
@@ -3176,7 +3186,11 @@ static int decode_frame(AVCodecContext *avctx,
     }
 
     if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
-        if (avctx->skip_frame >= AVDISCARD_NONREF)
+        if (avctx->skip_frame >= AVDISCARD_NONREF
+#if FF_API_HURRY_UP
+                || s->hurry_up
+#endif
+           )
             return 0;
         av_log(avctx, AV_LOG_ERROR, "no frame!\n");
         return -1;
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 510a2b0809..192ecdd478 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -2476,10 +2476,18 @@ static int decode_chunks(AVCodecContext *avctx,
                 /* Skip P-frames if we do not have a reference frame or we have an invalid header. */
                     if(s2->pict_type==FF_P_TYPE && !s->sync) break;
                 }
+#if FF_API_HURRY_UP
+                /* Skip B-frames if we are in a hurry. */
+                if(avctx->hurry_up && s2->pict_type==FF_B_TYPE) break;
+#endif
                 if(  (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==FF_B_TYPE)
                     ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=FF_I_TYPE)
                     || avctx->skip_frame >= AVDISCARD_ALL)
                     break;
+#if FF_API_HURRY_UP
+                /* Skip everything if we are in a hurry>=5. */
+                if(avctx->hurry_up>=5) break;
+#endif
 
                 if (!s->mpeg_enc_ctx_allocated) break;
 
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 73305d1324..819f58dc95 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1131,6 +1131,9 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
         }
     }
 
+#if FF_API_HURRY_UP
+    s->hurry_up= s->avctx->hurry_up;
+#endif
     s->error_recognition= avctx->error_recognition;
 
     /* set dequantizer, we can't do it during init as it might change for mpeg4
@@ -2122,6 +2125,9 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64],
             }
 
             /* skip dequant / idct if we are really late ;) */
+#if FF_API_HURRY_UP
+            if(s->hurry_up>1) goto skip_idct;
+#endif
             if(s->avctx->skip_idct){
                 if(  (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == FF_B_TYPE)
                    ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != FF_I_TYPE)
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index c90912f853..3836a6ef38 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -391,6 +391,11 @@ typedef struct MpegEncContext {
     int no_rounding;  /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
                         for b-frames rounding mode is always 0 */
 
+#if FF_API_HURRY_UP
+    int hurry_up;     /**< when set to 1 during decoding, b frames will be skipped
+                         when set to 2 idct/dequant will be skipped too */
+#endif
+
     /* macroblock layer */
     int mb_x, mb_y;
     int mb_skip_run;
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 3117bbe1b5..fae1164c9b 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -127,6 +127,9 @@ static const AVOption options[]={
 {"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
 {"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
+#if FF_API_HURRY_UP
+{"hurry_up", "deprecated, use skip_idct/skip_frame instead", OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
+#endif
 {"ps", "rtp payload size in bytes", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
 {"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index 6d4ee549cb..e0eea4b1f1 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -380,6 +380,9 @@ static void update_context_from_user(AVCodecContext *dst, AVCodecContext *src)
     dst->release_buffer = src->release_buffer;
 
     dst->opaque   = src->opaque;
+#if FF_API_HURRY_UP
+    dst->hurry_up = src->hurry_up;
+#endif
     dst->dsp_mask = src->dsp_mask;
     dst->debug    = src->debug;
     dst->debug_mv = src->debug_mv;
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index b11e84ea0b..32d8198eeb 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -1454,10 +1454,19 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
     }
     if((!s->last_picture_ptr || !s->last_picture_ptr->data[0]) && si.type == FF_B_TYPE)
         return -1;
+#if FF_API_HURRY_UP
+    /* skip b frames if we are in a hurry */
+    if(avctx->hurry_up && si.type==FF_B_TYPE) return buf_size;
+#endif
     if(   (avctx->skip_frame >= AVDISCARD_NONREF && si.type==FF_B_TYPE)
        || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=FF_I_TYPE)
        ||  avctx->skip_frame >= AVDISCARD_ALL)
         return buf_size;
+#if FF_API_HURRY_UP
+    /* skip everything if we are in a hurry>=5 */
+    if(avctx->hurry_up>=5)
+        return buf_size;
+#endif
 
     for(i=0; i<slice_count; i++){
         int offset= get_slice_offset(avctx, slices_hdr, i);
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index dca1ea0c9a..cb84ea98a3 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -684,6 +684,9 @@ static int svq1_decode_frame(AVCodecContext *avctx,
   //this should be removed after libavcodec can handle more flexible picture types & ordering
   if(s->pict_type==FF_B_TYPE && s->last_picture_ptr==NULL) return buf_size;
 
+#if FF_API_HURRY_UP
+  if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return buf_size;
+#endif
   if(  (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
      ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
      || avctx->skip_frame >= AVDISCARD_ALL)
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index ece514dc2e..c7119b975b 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -952,6 +952,14 @@ static int svq3_decode_frame(AVCodecContext *avctx,
     /* Skip B-frames if we do not have reference frames. */
     if (s->last_picture_ptr == NULL && s->pict_type == FF_B_TYPE)
         return 0;
+#if FF_API_HURRY_UP
+    /* Skip B-frames if we are in a hurry. */
+    if (avctx->hurry_up && s->pict_type == FF_B_TYPE)
+        return 0;
+    /* Skip everything if we are in a hurry >= 5. */
+    if (avctx->hurry_up >= 5)
+        return 0;
+#endif
     if (  (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == FF_B_TYPE)
         ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != FF_I_TYPE)
         || avctx->skip_frame >= AVDISCARD_ALL)
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index ddd59700fa..27695f184a 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3519,11 +3519,21 @@ static int vc1_decode_frame(AVCodecContext *avctx,
     if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)){
         goto err;
     }
+#if FF_API_HURRY_UP
+    /* skip b frames if we are in a hurry */
+    if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return -1;//buf_size;
+#endif
     if(   (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
        || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
        ||  avctx->skip_frame >= AVDISCARD_ALL) {
         goto end;
     }
+#if FF_API_HURRY_UP
+    /* skip everything if we are in a hurry>=5 */
+    if(avctx->hurry_up>=5) {
+        goto err;
+    }
+#endif
 
     if(s->next_p_frame_damaged){
         if(s->pict_type==FF_B_TYPE)
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 56c7a95b0c..9046632b94 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -71,6 +71,9 @@
 #ifndef FF_API_OLD_AUDIOCONVERT
 #define FF_API_OLD_AUDIOCONVERT (LIBAVCODEC_VERSION_MAJOR < 54)
 #endif
+#ifndef FF_API_HURRY_UP
+#define FF_API_HURRY_UP         (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
 #ifndef FF_API_RATE_EMU
 #define FF_API_RATE_EMU         (LIBAVCODEC_VERSION_MAJOR < 53)
 #endif