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Code Issues Releases Activity

Handle r10k endianess atom DpxE.

Browse Source 
Fixes playback and remuxing of r10k_full-range_big-endian.mov.

Reported, analyzed and tested by Olaf Matthes, olaf matthes gmx de
This commit is contained in:
Carl Eugen Hoyos 2015-01-11 12:11:36 +01:00
parent aa6545e1f3
commit a5334d4081
3 changed files with 26 additions and 1 deletions
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5
libavcodec/r210dec.c
View File

@ -47,6 +47,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
uint8_t *dst_line;
int r10 = (avctx->codec_tag & 0xFFFFFF) == MKTAG('r', '1', '0', 0);
int le = avctx->codec_tag == MKTAG('R', '1', '0', 'k') &&
avctx->extradata_size >= 12 && !memcmp(&avctx->extradata[4], "DpxE", 4) &&
!avctx->extradata[11];
if (avpkt->size < 4 * aligned_width * avctx->height) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
@ -65,7 +68,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
for (w = 0; w < avctx->width; w++) {
uint32_t pixel;
uint16_t r, g, b;
if (avctx->codec_id == AV_CODEC_ID_AVRP || r10) {
if (avctx->codec_id == AV_CODEC_ID_AVRP || r10 || le) {
pixel = av_le2ne32(*src++);
} else {
pixel = av_be2ne32(*src++);

6
libavformat/mov.c
View File

@ -1114,6 +1114,11 @@ static int mov_read_jp2h(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return mov_read_extradata(c, pb, atom, AV_CODEC_ID_JPEG2000);
}
static int mov_read_dpxe(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
return mov_read_extradata(c, pb, atom, AV_CODEC_ID_R10K);
}
static int mov_read_avid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
int ret = mov_read_extradata(c, pb, atom, AV_CODEC_ID_AVUI);
@ -3363,6 +3368,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
{ MKTAG('c','o','l','r'), mov_read_colr },
{ MKTAG('c','t','t','s'), mov_read_ctts }, /* composition time to sample */
{ MKTAG('d','i','n','f'), mov_read_default },
{ MKTAG('D','p','x','E'), mov_read_dpxe },
{ MKTAG('d','r','e','f'), mov_read_dref },
{ MKTAG('e','d','t','s'), mov_read_default },
{ MKTAG('e','l','s','t'), mov_read_elst },

16
libavformat/movenc.c
View File

@ -1081,6 +1081,19 @@ static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
return 0;
}
static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
{
avio_wb32(pb, 12);
ffio_wfourcc(pb, "DpxE");
if (track->enc->extradata_size >= 12 &&
!memcmp(&track->enc->extradata[4], "DpxE", 4)) {
avio_wb32(pb, track->enc->extradata[11]);
} else {
avio_wb32(pb, 1);
}
return 0;
}
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = track->enc->codec_tag;
@ -1580,6 +1593,9 @@ static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
track->enc->codec_id == AV_CODEC_ID_VP6A) {
/* Don't write any potential extradata here - the cropping
* is signalled via the normal width/height fields. */
} else if (track->enc->codec_id == AV_CODEC_ID_R10K) {
if (track->enc->codec_tag == MKTAG('R','1','0','k'))
mov_write_dpxe_tag(pb, track);
} else if (track->vos_len > 0)
mov_write_glbl_tag(pb, track);