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Merge remote-tracking branch 'cehoyos/master'

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* 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>
This commit is contained in:
Michael Niedermayer 2013-09-12 22:19:33 +02:00
commit e2774b3e3b
3 changed files with 16 additions and 7 deletions
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1
libavcodec/jpeg2000dec.c
View file

@ -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;
}

6
libavcodec/libopenjpegdec.c
View file

@ -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++;
}

16
libavformat/mxfenc.c
View file

@ -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;