Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Set bits_per_raw_sample when reading j2k frames.
  libopenjpegdec.c: Correctly scale gray16 output if precision < 16
  Use rc_max_rate if no video bit_rate was specified when muxing mxf_d10.
  Store the video bit_rate in the context when muxing mxf.

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

libavcodec/jpeg2000dec.c

@@ -350,6 +350,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
                ncomponents > 2 ? s->cdx[2] : 0,
                ncomponents > 2 ? s->cdy[2] : 0);
     }
+    s->avctx->bits_per_raw_sample = s->precision;
     return 0;
 }
 

libavcodec/libopenjpegdec.c

@@ -207,12 +207,16 @@ static inline void libopenjpeg_copyto16(AVFrame *picture, opj_image_t *image) {
     int *comp_data;
     uint16_t *img_ptr;
     int index, x, y;
+    int adjust[4];
+    for (x = 0; x < image->numcomps; x++)
+        adjust[x] = FFMAX(FFMIN(16 - image->comps[x].prec, 8), 0);
+
     for (index = 0; index < image->numcomps; index++) {
         comp_data = image->comps[index].data;
         for (y = 0; y < image->comps[index].h; y++) {
             img_ptr = (uint16_t*) (picture->data[index] + y * picture->linesize[index]);
             for (x = 0; x < image->comps[index].w; x++) {
-                *img_ptr = *comp_data;
+                *img_ptr = *comp_data << adjust[index];
                 img_ptr++;
                 comp_data++;
             }

libavformat/mxfenc.c

@@ -76,6 +76,7 @@ typedef struct {
     int temporal_reordering;
     AVRational aspect_ratio; ///< display aspect ratio
     int closed_gop;          ///< gop is closed, used in mpeg-2 frame parsing
+    int video_bit_rate;
 } MXFStreamContext;
 
 typedef struct {
@@ -976,13 +977,14 @@ static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
 static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
 {
     AVIOContext *pb = s->pb;
+    MXFStreamContext *sc = st->priv_data;
     int profile_and_level = (st->codec->profile<<4) | st->codec->level;
 
     mxf_write_cdci_common(s, st, mxf_mpegvideo_descriptor_key, 8+5);
 
     // bit rate
     mxf_write_local_tag(pb, 4, 0x8000);
-    avio_wb32(pb, st->codec->bit_rate);
+    avio_wb32(pb, sc->video_bit_rate);
 
     // profile and level
     mxf_write_local_tag(pb, 1, 0x8007);
@@ -1708,14 +1710,15 @@ static int mxf_write_header(AVFormatContext *s)
                 ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
             if (ret < 0)
                 return ret;
+            sc->video_bit_rate = st->codec->bit_rate ? st->codec->bit_rate : st->codec->rc_max_rate;
             if (s->oformat == &ff_mxf_d10_muxer) {
-                if (st->codec->bit_rate == 50000000) {
+                if (sc->video_bit_rate == 50000000) {
                     if (mxf->time_base.den == 25) sc->index = 3;
                     else                          sc->index = 5;
-                } else if (st->codec->bit_rate == 40000000) {
+                } else if (sc->video_bit_rate == 40000000) {
                     if (mxf->time_base.den == 25) sc->index = 7;
                     else                          sc->index = 9;
-                } else if (st->codec->bit_rate == 30000000) {
+                } else if (sc->video_bit_rate == 30000000) {
                     if (mxf->time_base.den == 25) sc->index = 11;
                     else                          sc->index = 13;
                 } else {
@@ -1724,7 +1727,7 @@ static int mxf_write_header(AVFormatContext *s)
                 }
 
                 mxf->edit_unit_byte_count = KAG_SIZE; // system element
-                mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)st->codec->bit_rate *
+                mxf->edit_unit_byte_count += 16 + 4 + (uint64_t)sc->video_bit_rate *
                     mxf->time_base.num / (8*mxf->time_base.den);
                 mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
                 mxf->edit_unit_byte_count += 16 + 4 + 4 + spf->samples_per_frame[0]*8*4;
@@ -1858,7 +1861,8 @@ static void mxf_write_d10_video_packet(AVFormatContext *s, AVStream *st, AVPacke
 {
     MXFContext *mxf = s->priv_data;
     AVIOContext *pb = s->pb;
-    int packet_size = (uint64_t)st->codec->bit_rate*mxf->time_base.num /
+    MXFStreamContext *sc = st->priv_data;
+    int packet_size = (uint64_t)sc->video_bit_rate*mxf->time_base.num /
         (8*mxf->time_base.den); // frame size
     int pad;