]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/mxfdec.c
avformat: Drop unnecessary ff_ name prefixes from static functions
[ffmpeg] / libavformat / mxfdec.c
index d73ad2ce46ff170006d39b836a8efae1b2f10b52..7e3a6900103fdec3b8824e6f8117c3d1667a97a4 100644 (file)
@@ -132,7 +132,8 @@ typedef struct {
     AVRational sample_rate;
     AVRational aspect_ratio;
     int width;
-    int height;
+    int height; /* Field height, not frame height */
+    int frame_layout; /* See MXFFrameLayout enum */
     int channels;
     int bits_per_sample;
     unsigned int component_depth;
@@ -143,7 +144,7 @@ typedef struct {
     int linked_track_id;
     uint8_t *extradata;
     int extradata_size;
-    enum PixelFormat pix_fmt;
+    enum AVPixelFormat pix_fmt;
 } MXFDescriptor;
 
 typedef struct {
@@ -339,7 +340,7 @@ static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv
     int index;
 
     if (!mxf->aesc && s->key && s->keylen == 16) {
-        mxf->aesc = av_malloc(av_aes_size);
+        mxf->aesc = av_aes_alloc();
         if (!mxf->aesc)
             return AVERROR(ENOMEM);
         av_aes_init(mxf->aesc, s->key, 128, 1);
@@ -395,8 +396,7 @@ static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, U
     int item_len = avio_rb32(pb);
 
     if (item_len != 18) {
-        av_log_ask_for_sample(pb, "unsupported primer pack item length %d\n",
-                              item_len);
+        avpriv_request_sample(pb, "Primer pack item length %d", item_len);
         return AVERROR_PATCHWELCOME;
     }
     if (item_num > UINT_MAX / item_len)
@@ -797,7 +797,7 @@ static void mxf_read_pixel_layout(AVIOContext *pb, MXFDescriptor *descriptor)
 static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
 {
     MXFDescriptor *descriptor = arg;
-    descriptor->pix_fmt = PIX_FMT_NONE;
+    descriptor->pix_fmt = AV_PIX_FMT_NONE;
     switch(tag) {
     case 0x3F01:
         descriptor->sub_descriptors_count = avio_rb32(pb);
@@ -824,6 +824,9 @@ static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int
     case 0x3202:
         descriptor->height = avio_rb32(pb);
         break;
+    case 0x320C:
+        descriptor->frame_layout = avio_r8(pb);
+        break;
     case 0x320E:
         descriptor->aspect_ratio.num = avio_rb32(pb);
         descriptor->aspect_ratio.den = avio_rb32(pb);
@@ -908,31 +911,31 @@ static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref, enum MXFMe
 
 static const MXFCodecUL mxf_picture_essence_container_uls[] = {
     // video essence container uls
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, CODEC_ID_MPEG2VIDEO }, /* MPEG-ES Frame wrapped */
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,    CODEC_ID_DVVIDEO }, /* DV 625 25mbps */
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,   CODEC_ID_RAWVIDEO }, /* Uncompressed Picture */
-    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      CODEC_ID_NONE },
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MPEG-ES Frame wrapped */
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,    AV_CODEC_ID_DVVIDEO }, /* DV 625 25mbps */
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,   AV_CODEC_ID_RAWVIDEO }, /* Uncompressed Picture */
+    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      AV_CODEC_ID_NONE },
 };
 
 /* EC ULs for intra-only formats */
 static const MXFCodecUL mxf_intra_only_essence_container_uls[] = {
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14, CODEC_ID_MPEG2VIDEO }, /* MXF-GC SMPTE D-10 Mappings */
-    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       CODEC_ID_NONE },
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MXF-GC SMPTE D-10 Mappings */
+    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
 };
 
 /* intra-only PictureEssenceCoding ULs, where no corresponding EC UL exists */
 static const MXFCodecUL mxf_intra_only_picture_essence_coding_uls[] = {
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,       CODEC_ID_H264 }, /* H.264/MPEG-4 AVC Intra Profiles */
-    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       CODEC_ID_NONE },
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,       AV_CODEC_ID_H264 }, /* H.264/MPEG-4 AVC Intra Profiles */
+    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
 };
 
 static const MXFCodecUL mxf_sound_essence_container_uls[] = {
     // sound essence container uls
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, CODEC_ID_PCM_S16LE }, /* BWF Frame wrapped */
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,       CODEC_ID_MP2 }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */
-    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, CODEC_ID_PCM_S16LE }, /* D-10 Mapping 50Mbps PAL Extended Template */
-    { { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0xFF,0x4B,0x46,0x41,0x41,0x00,0x0D,0x4D,0x4F }, 14, CODEC_ID_PCM_S16LE }, /* 0001GL00.MXF.A1.mxf_opatom.mxf */
-    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      CODEC_ID_NONE },
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, AV_CODEC_ID_PCM_S16LE }, /* BWF Frame wrapped */
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,       AV_CODEC_ID_MP2 }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */
+    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE }, /* D-10 Mapping 50Mbps PAL Extended Template */
+    { { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0xFF,0x4B,0x46,0x41,0x41,0x00,0x0D,0x4D,0x4F }, 14, AV_CODEC_ID_PCM_S16LE }, /* 0001GL00.MXF.A1.mxf_opatom.mxf */
+    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      AV_CODEC_ID_NONE },
 };
 
 static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segments, MXFIndexTableSegment ***sorted_segments)
@@ -946,9 +949,12 @@ static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segment
         if (mxf->metadata_sets[i]->type == IndexTableSegment)
             nb_segments++;
 
+    if (!nb_segments)
+        return AVERROR_INVALIDDATA;
+
     *sorted_segments  = av_mallocz(nb_segments * sizeof(**sorted_segments));
     unsorted_segments = av_mallocz(nb_segments * sizeof(*unsorted_segments));
-    if (!sorted_segments || !unsorted_segments) {
+    if (!*sorted_segments || !unsorted_segments) {
         av_freep(sorted_segments);
         av_free(unsorted_segments);
         return AVERROR(ENOMEM);
@@ -1066,7 +1072,7 @@ static int mxf_edit_unit_absolute_offset(MXFContext *mxf, MXFIndexTable *index_t
                 if (s->nb_index_entries == 2 * s->index_duration + 1)
                     index *= 2;     /* Avid index */
 
-                if (index < 0 || index > s->nb_index_entries) {
+                if (index < 0 || index >= s->nb_index_entries) {
                     av_log(mxf->fc, AV_LOG_ERROR, "IndexSID %i segment at %"PRId64" IndexEntryArray too small\n",
                            index_table->index_sid, s->index_start_position);
                     return AVERROR_INVALIDDATA;
@@ -1301,9 +1307,9 @@ finish_decoding_index:
 static int mxf_is_intra_only(MXFDescriptor *d)
 {
     return mxf_get_codec_ul(mxf_intra_only_essence_container_uls,
-                            &d->essence_container_ul)->id != CODEC_ID_NONE ||
+                            &d->essence_container_ul)->id != AV_CODEC_ID_NONE ||
            mxf_get_codec_ul(mxf_intra_only_picture_essence_coding_uls,
-                            &d->essence_codec_ul)->id     != CODEC_ID_NONE;
+                            &d->essence_codec_ul)->id     != AV_CODEC_ID_NONE;
 }
 
 static int mxf_parse_structural_metadata(MXFContext *mxf)
@@ -1464,23 +1470,50 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
         if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
             source_track->intra_only = mxf_is_intra_only(descriptor);
             container_ul = mxf_get_codec_ul(mxf_picture_essence_container_uls, essence_container_ul);
-            if (st->codec->codec_id == CODEC_ID_NONE)
+            if (st->codec->codec_id == AV_CODEC_ID_NONE)
                 st->codec->codec_id = container_ul->id;
             st->codec->width = descriptor->width;
+            /* Field height, not frame height */
             st->codec->height = descriptor->height;
-            if (st->codec->codec_id == CODEC_ID_RAWVIDEO) {
+            switch (descriptor->frame_layout) {
+                case SegmentedFrame:
+                    /* This one is a weird layout I don't fully understand. */
+                    av_log(mxf->fc, AV_LOG_INFO,
+                           "SegmentedFrame layout isn't currently supported\n");
+                    break;
+                case FullFrame:
+                    break;
+                case OneField:
+                    /* Every other line is stored and needs to be duplicated. */
+                    av_log(mxf->fc, AV_LOG_INFO,
+                           "OneField frame layout isn't currently supported\n");
+                    break;
+                    /* The correct thing to do here is fall through, but by
+                     * breaking we might be able to decode some streams at half
+                     * the vertical resolution, rather than not al all.
+                     * It's also for compatibility with the old behavior. */
+                case SeparateFields:
+                case MixedFields:
+                    /* Turn field height into frame height. */
+                    st->codec->height *= 2;
+                default:
+                    av_log(mxf->fc, AV_LOG_INFO,
+                           "Unknown frame layout type: %d\n",
+                           descriptor->frame_layout);
+            }
+            if (st->codec->codec_id == AV_CODEC_ID_RAWVIDEO) {
                 st->codec->pix_fmt = descriptor->pix_fmt;
-                if (st->codec->pix_fmt == PIX_FMT_NONE) {
+                if (st->codec->pix_fmt == AV_PIX_FMT_NONE) {
                     pix_fmt_ul = mxf_get_codec_ul(ff_mxf_pixel_format_uls,
                                                   &descriptor->essence_codec_ul);
                     st->codec->pix_fmt = pix_fmt_ul->id;
-                    if (st->codec->pix_fmt == PIX_FMT_NONE) {
+                    if (st->codec->pix_fmt == AV_PIX_FMT_NONE) {
                         /* support files created before RP224v10 by defaulting to UYVY422
                            if subsampling is 4:2:2 and component depth is 8-bit */
                         if (descriptor->horiz_subsampling == 2 &&
                             descriptor->vert_subsampling == 1 &&
                             descriptor->component_depth == 8) {
-                            st->codec->pix_fmt = PIX_FMT_UYVY422;
+                            st->codec->pix_fmt = AV_PIX_FMT_UYVY422;
                         }
                     }
                 }
@@ -1488,7 +1521,7 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
             st->need_parsing = AVSTREAM_PARSE_HEADERS;
         } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
             container_ul = mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul);
-            if (st->codec->codec_id == CODEC_ID_NONE)
+            if (st->codec->codec_id == AV_CODEC_ID_NONE)
                 st->codec->codec_id = container_ul->id;
             st->codec->channels = descriptor->channels;
             st->codec->bits_per_coded_sample = descriptor->bits_per_sample;
@@ -1496,18 +1529,18 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
             if (descriptor->sample_rate.den > 0)
                 st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
 
-            /* TODO: implement CODEC_ID_RAWAUDIO */
-            if (st->codec->codec_id == CODEC_ID_PCM_S16LE) {
+            /* TODO: implement AV_CODEC_ID_RAWAUDIO */
+            if (st->codec->codec_id == AV_CODEC_ID_PCM_S16LE) {
                 if (descriptor->bits_per_sample > 16 && descriptor->bits_per_sample <= 24)
-                    st->codec->codec_id = CODEC_ID_PCM_S24LE;
+                    st->codec->codec_id = AV_CODEC_ID_PCM_S24LE;
                 else if (descriptor->bits_per_sample == 32)
-                    st->codec->codec_id = CODEC_ID_PCM_S32LE;
-            } else if (st->codec->codec_id == CODEC_ID_PCM_S16BE) {
+                    st->codec->codec_id = AV_CODEC_ID_PCM_S32LE;
+            } else if (st->codec->codec_id == AV_CODEC_ID_PCM_S16BE) {
                 if (descriptor->bits_per_sample > 16 && descriptor->bits_per_sample <= 24)
-                    st->codec->codec_id = CODEC_ID_PCM_S24BE;
+                    st->codec->codec_id = AV_CODEC_ID_PCM_S24BE;
                 else if (descriptor->bits_per_sample == 32)
-                    st->codec->codec_id = CODEC_ID_PCM_S32BE;
-            } else if (st->codec->codec_id == CODEC_ID_MP2) {
+                    st->codec->codec_id = AV_CODEC_ID_PCM_S32BE;
+            } else if (st->codec->codec_id == AV_CODEC_ID_MP2) {
                 st->need_parsing = AVSTREAM_PARSE_FULL;
             }
         }
@@ -1748,10 +1781,10 @@ static inline void compute_partition_essence_offset(AVFormatContext *s,
     }
 }
 
-static int is_pcm(enum CodecID codec_id)
+static int is_pcm(enum AVCodecID codec_id)
 {
     /* we only care about "normal" PCM codecs until we get samples */
-    return codec_id >= CODEC_ID_PCM_S16LE && codec_id < CODEC_ID_PCM_S24DAUD;
+    return codec_id >= AV_CODEC_ID_PCM_S16LE && codec_id < AV_CODEC_ID_PCM_S24DAUD;
 }
 
 /**
@@ -1842,6 +1875,9 @@ static int mxf_read_header(AVFormatContext *s)
             /* next partition pack - keep going, seek to previous partition or stop */
             if(mxf_parse_handle_partition_or_eof(mxf) <= 0)
                 break;
+            else if (mxf->parsing_backward)
+                continue;
+            /* we're still parsing forward. proceed to parsing this partition pack */
         }
 
         for (metadata = mxf_metadata_read_table; metadata->read; metadata++) {
@@ -1969,11 +2005,17 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
             IS_KLV_KEY(klv.key, mxf_avid_essence_element_key)) {
             int index = mxf_get_stream_index(s, &klv);
             int64_t next_ofs, next_klv;
+            AVStream *st;
+            MXFTrack *track;
 
             if (index < 0) {
                 av_log(s, AV_LOG_ERROR, "error getting stream index %d\n", AV_RB32(klv.key+12));
                 goto skip;
             }
+
+            st = s->streams[index];
+            track = st->priv_data;
+
             if (s->streams[index]->discard == AVDISCARD_ALL)
                 goto skip;
 
@@ -1984,10 +2026,10 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
                 /* if this check is hit then it's possible OPAtom was treated
                  * as OP1a truncate the packet since it's probably very large
                  * (>2 GiB is common) */
-                av_log_ask_for_sample(s,
-                                      "KLV for edit unit %i extends into next "
-                                      "edit unit - OPAtom misinterpreted as "
-                                      "OP1a?\n",
+                avpriv_request_sample(s,
+                                      "OPAtom misinterpreted as OP1a?"
+                                      "KLV for edit unit %i extending into "
+                                      "next edit unit",
                                       mxf->current_edit_unit);
                 klv.length = next_ofs - avio_tell(s->pb);
             }
@@ -2015,6 +2057,11 @@ static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
                     mxf->current_edit_unit < t->nb_ptses) {
                     pkt->dts = mxf->current_edit_unit + t->first_dts;
                     pkt->pts = t->ptses[mxf->current_edit_unit];
+                } else if (track->intra_only) {
+                    /* intra-only -> PTS = EditUnit.
+                     * let utils.c figure out DTS since it can be
+                     * < PTS if low_delay = 0 (Sony IMX30) */
+                    pkt->pts = mxf->current_edit_unit;
                 }
             }
 
@@ -2162,7 +2209,7 @@ static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_ti
     int ret;
     MXFIndexTable *t;
 
-    if (mxf->index_tables <= 0) {
+    if (mxf->nb_index_tables <= 0) {
     if (!s->bit_rate)
         return AVERROR_INVALIDDATA;
     if (sample_time < 0)
@@ -2201,7 +2248,7 @@ static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_ti
 
 AVInputFormat ff_mxf_demuxer = {
     .name           = "mxf",
-    .long_name      = NULL_IF_CONFIG_SMALL("Material eXchange Format"),
+    .long_name      = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
     .priv_data_size = sizeof(MXFContext),
     .read_probe     = mxf_probe,
     .read_header    = mxf_read_header,