[FFmpeg-cvslog] avformat/mxfenc: simplify dnxhd handling and add more flavors

Baptiste Coudurier git at videolan.org
Wed Oct 24 19:11:36 EEST 2018


ffmpeg | branch: master | Baptiste Coudurier <baptiste.coudurier at gmail.com> | Tue Oct 16 13:19:45 2018 -0700| [8c733013af478e281dbbaf876a2ad6b75f91910b] | committer: Baptiste Coudurier

avformat/mxfenc: simplify dnxhd handling and add more flavors

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8c733013af478e281dbbaf876a2ad6b75f91910b
---

 libavformat/mxfenc.c | 218 +++++++++++++++------------------------------------
 1 file changed, 63 insertions(+), 155 deletions(-)

diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index a2f68dd4ed..3549b4137d 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -142,23 +142,10 @@ enum ULIndex {
     INDEX_DV100_1080_50,
     INDEX_DV100_720_60,
     INDEX_DV100_720_50,
-    INDEX_DNXHD_1080p_10bit_HIGH,
-    INDEX_DNXHD_1080p_8bit_MEDIUM,
-    INDEX_DNXHD_1080p_8bit_HIGH,
-    INDEX_DNXHD_1080i_10bit_HIGH,
-    INDEX_DNXHD_1080i_8bit_MEDIUM,
-    INDEX_DNXHD_1080i_8bit_HIGH,
-    INDEX_DNXHD_720p_10bit,
-    INDEX_DNXHD_720p_8bit_HIGH,
-    INDEX_DNXHD_720p_8bit_MEDIUM,
-    INDEX_DNXHD_720p_8bit_LOW,
-    INDEX_DNXHR_LB,
-    INDEX_DNXHR_SQ,
-    INDEX_DNXHR_HQ,
-    INDEX_DNXHR_HQX,
-    INDEX_DNXHR_444,
+    INDEX_DNXHD,
     INDEX_JPEG2000,
     INDEX_H264,
+    INDEX_S436M,
 };
 
 static const struct {
@@ -169,7 +156,7 @@ static const struct {
     { AV_CODEC_ID_PCM_S24LE,  INDEX_AES3 },
     { AV_CODEC_ID_PCM_S16LE,  INDEX_AES3 },
     { AV_CODEC_ID_DVVIDEO,    INDEX_DV },
-    { AV_CODEC_ID_DNXHD,      INDEX_DNXHD_1080p_10bit_HIGH },
+    { AV_CODEC_ID_DNXHD,      INDEX_DNXHD },
     { AV_CODEC_ID_JPEG2000,   INDEX_JPEG2000 },
     { AV_CODEC_ID_H264,       INDEX_H264 },
     { AV_CODEC_ID_NONE }
@@ -307,81 +294,11 @@ static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
       { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
       { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
       mxf_write_cdci_desc },
-    // DNxHD 1080p 10bit high
+    // DNxHD
     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
       { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
       { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
       mxf_write_cdci_desc },
-    // DNxHD 1080p 8bit medium
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 1080p 8bit high
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 1080i 10bit high
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 1080i 8bit medium
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 1080i 8bit high
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 720p 10bit
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 720p 8bit high
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 720p 8bit medium
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHD 720p 8bit low
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHR LB - CID 1274
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHR SQ - CID 1273
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHR HQ - CID 1272
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHR HQX - CID 1271
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 },
-      mxf_write_cdci_desc },
-    // DNxHR 444 - CID 1270
-    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
-      { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0D,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 },
-      mxf_write_cdci_desc },
     // JPEG2000
     { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
       { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
@@ -1363,7 +1280,7 @@ static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID
     default:   f1 =  0; f2 =   0; break;
     }
 
-    if (!sc->interlaced) {
+    if (!sc->interlaced && f2) {
         f2  = 0;
         f1 *= 2;
     }
@@ -2028,90 +1945,81 @@ static int mxf_write_partition(AVFormatContext *s, int bodysid,
     return 0;
 }
 
-static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
-AVPacket *pkt)
+static const struct {
+    int cid;
+    UID codec_ul;
+} mxf_dnxhd_codec_uls[] = {
+    { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
+    { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
+    { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
+    { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
+    { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
+    { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
+    { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
+    { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
+    { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
+    { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
+    { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
+    { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
+    { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
+    { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
+    { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
+    { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
+    { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
+    { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
+    { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
+    { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
+};
+
+static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
 {
     MXFContext *mxf = s->priv_data;
     MXFStreamContext *sc = st->priv_data;
-    int cid;
-    uint8_t* header_cid;
-    int frame_size = 0;
+    int i, cid, frame_size = 0;
 
     if (mxf->header_written)
         return 1;
 
     if (pkt->size < 43)
-        return -1;
+        return 0;
 
-    header_cid = pkt->data + 0x28;
-    cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
+    sc->codec_ul = NULL;
+    cid = AV_RB32(pkt->data + 0x28);
+    for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
+        if (cid == mxf_dnxhd_codec_uls[i].cid) {
+            sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
+            break;
+        }
+    }
+    if (!sc->codec_ul)
+        return 0;
+
+    sc->component_depth = 0;
+    switch (pkt->data[0x21] >> 5) {
+    case 1: sc->component_depth = 8; break;
+    case 2: sc->component_depth = 10; break;
+    case 3: sc->component_depth = 12; break;
+    }
+    if (!sc->component_depth)
+        return 0;
 
     if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
         frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
     }
-
     if (frame_size < 0)
-        return -1;
+        return 0;
+
     if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
-        return AVERROR_INVALIDDATA;
+        return 0;
 
-    switch (cid) {
-    case 1235:
-        sc->index = INDEX_DNXHD_1080p_10bit_HIGH;
-        sc->component_depth = 10;
-        break;
-    case 1237:
-        sc->index = INDEX_DNXHD_1080p_8bit_MEDIUM;
-        break;
-    case 1238:
-        sc->index = INDEX_DNXHD_1080p_8bit_HIGH;
-        break;
-    case 1241:
-        sc->index = INDEX_DNXHD_1080i_10bit_HIGH;
-        sc->component_depth = 10;
-        break;
-    case 1242:
-        sc->index = INDEX_DNXHD_1080i_8bit_MEDIUM;
-        break;
-    case 1243:
-        sc->index = INDEX_DNXHD_1080i_8bit_HIGH;
-        break;
-    case 1250:
-        sc->index = INDEX_DNXHD_720p_10bit;
-        sc->component_depth = 10;
-        break;
-    case 1251:
-        sc->index = INDEX_DNXHD_720p_8bit_HIGH;
-        break;
-    case 1252:
-        sc->index = INDEX_DNXHD_720p_8bit_MEDIUM;
-        break;
-    case 1253:
-        sc->index = INDEX_DNXHD_720p_8bit_LOW;
-        break;
-    case 1274:
-        sc->index = INDEX_DNXHR_LB;
-        break;
-    case 1273:
-        sc->index = INDEX_DNXHR_SQ;
-        break;
-    case 1272:
-        sc->index = INDEX_DNXHR_HQ;
-        break;
-    case 1271:
-        sc->index = INDEX_DNXHR_HQX;
-        sc->component_depth = st->codecpar->bits_per_raw_sample;
-        break;
-    case 1270:
-        sc->index = INDEX_DNXHR_444;
-        sc->component_depth = st->codecpar->bits_per_raw_sample;
-        break;
-    default:
-        return -1;
+    if (cid >= 1270) { // RI raster
+        av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den,
+                  st->codecpar->width, st->codecpar->height,
+                  INT_MAX);
+    } else {
+        sc->aspect_ratio = (AVRational){ 16, 9 };
     }
 
-    sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
-    sc->aspect_ratio = (AVRational){ 16, 9 };
     sc->frame_size = pkt->size;
 
     return 1;
@@ -2575,7 +2483,7 @@ static int mxf_write_header(AVFormatContext *s)
         } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
             AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
             if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
-                sc->index = 38;
+                sc->index = INDEX_S436M;
             } else {
                 av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
                 return -1;



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