Merge remote-tracking branch 'qatar/master'

* qatar/master:
  adpcm: use sign_extend()
  mpeg12: fix mpeg_decode_slice context parameter type
  Revert "mpeg12: move full_pel from MpegEncContext to Mpeg1Context"

Conflicts:
	libavcodec/mpeg12.c
	libavcodec/mpeg12.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 6 insertions, 8 deletions

diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 08d46d4ef9..3bc857dc5f 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -735,9 +735,8 @@ static void exchange_uv(MpegEncContext *s)
 #define MT_16X8  2
 #define MT_DMV   3
 
-static int mpeg_decode_mb(Mpeg1Context *s1, DCTELEM block[12][64])
+static int mpeg_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
 {
-    MpegEncContext *s = &s1->mpeg_enc_ctx;
     int i, j, k, cbp, val, mb_type, motion_type;
     const int mb_block_count = 4 + (1 << s->chroma_format);
 
@@ -1658,10 +1657,9 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
  * @return DECODE_SLICE_ERROR if the slice is damaged<br>
  *         DECODE_SLICE_OK if this slice is ok<br>
  */
-static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
+static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
                              const uint8_t **buf, int buf_size)
 {
-    MpegEncContext *s     = &s1->mpeg_enc_ctx;
     AVCodecContext *avctx = s->avctx;
     const int lowres      = s->avctx->lowres;
     const int field_pic   = s->picture_structure != PICT_FRAME;
@@ -1750,7 +1748,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
         if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration > 1)
             ff_xvmc_init_block(s); // set s->block
 
-        if (mpeg_decode_mb(s1, s->block) < 0)
+        if (mpeg_decode_mb(s, s->block) < 0)
             return -1;
 
         if (s->current_picture.f.motion_val[0] && !s->encoding) { // note motion_val is normally NULL unless we want to extract the MVs
@@ -1893,7 +1891,7 @@ static int slice_decode_thread(AVCodecContext *c, void *arg)
         uint32_t start_code;
         int ret;
 
-        ret = mpeg_decode_slice((Mpeg1Context*)s, mb_y, &buf, s->gb.buffer_end - buf);
+        ret = mpeg_decode_slice(s, mb_y, &buf, s->gb.buffer_end - buf);
         emms_c();
 //av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
 //ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count);
@@ -2308,7 +2306,7 @@ static int decode_chunks(AVCodecContext *avctx,
                 }
 
                 if (CONFIG_VDPAU && uses_vdpau(avctx))
-                    ff_vdpau_mpeg_picture_complete(s, buf, buf_size, s->slice_count);
+                    ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);
 
 
                 if (slice_end(avctx, picture)) {
@@ -2500,7 +2498,7 @@ static int decode_chunks(AVCodecContext *avctx,
                     }
                     buf_ptr += 2; // FIXME add minimum number of bytes per slice
                 } else {
-                    ret = mpeg_decode_slice(s, mb_y, &buf_ptr, input_size);
+                    ret = mpeg_decode_slice(s2, mb_y, &buf_ptr, input_size);
                     emms_c();
 
                     if (ret < 0) {