Merge commit 'ecf442a58b09bdb1dc1d2c3904b82ac5f79b2878'

* commit 'ecf442a58b09bdb1dc1d2c3904b82ac5f79b2878':
  lavf: improve support for AVC-Intra files.

Conflicts:
	libavformat/internal.h
	libavformat/isom.c
	libavformat/mxfdec.c
	libavformat/utils.c

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

libavformat/internal.h

@@ -357,9 +357,10 @@ enum AVCodecID ff_get_pcm_codec_id(int bps, int flt, int be, int sflags);
 AVRational ff_choose_timebase(AVFormatContext *s, AVStream *st, int min_precission);
 
 /**
- * Generate standard extradata for AVC-Intra based on width/height and field order.
+ * Generate standard extradata for AVC-Intra based on width/height and field
+ * order.
  */
-void ff_generate_avci_extradata(AVStream *st);
+int ff_generate_avci_extradata(AVStream *st);
 
 /**
  * Allocate extradata with additional FF_INPUT_BUFFER_PADDING_SIZE at end

libavformat/isom.h

@@ -207,6 +207,22 @@ void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
 #define MOV_TKHD_FLAG_IN_PREVIEW    0x0004
 #define MOV_TKHD_FLAG_IN_POSTER     0x0008
 
+#define TAG_IS_AVCI(tag)                    \
+    ((tag) == MKTAG('a', 'i', '5', 'p') ||  \
+     (tag) == MKTAG('a', 'i', '5', 'q') ||  \
+     (tag) == MKTAG('a', 'i', '5', '2') ||  \
+     (tag) == MKTAG('a', 'i', '5', '3') ||  \
+     (tag) == MKTAG('a', 'i', '5', '5') ||  \
+     (tag) == MKTAG('a', 'i', '5', '6') ||  \
+     (tag) == MKTAG('a', 'i', '1', 'p') ||  \
+     (tag) == MKTAG('a', 'i', '1', 'q') ||  \
+     (tag) == MKTAG('a', 'i', '1', '2') ||  \
+     (tag) == MKTAG('a', 'i', '1', '3') ||  \
+     (tag) == MKTAG('a', 'i', '1', '5') ||  \
+     (tag) == MKTAG('a', 'i', '1', '6') ||  \
+     (tag) == MKTAG('A', 'V', 'i', 'n'))
+
+
 int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
 enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
 

libavformat/mov.c

@@ -2387,8 +2387,10 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     // done for ai5q, ai52, ai55, ai1q, ai12 and ai15.
     if (!st->codec->extradata_size && st->codec->codec_id == AV_CODEC_ID_H264 &&
-        st->codec->codec_tag != MKTAG('a', 'v', 'c', '1')) {
-        ff_generate_avci_extradata(st);
+        TAG_IS_AVCI(st->codec->codec_tag)) {
+        ret = ff_generate_avci_extradata(st);
+        if (ret < 0)
+            return ret;
     }
 
     switch (st->codec->codec_id) {

libavformat/mxfdec.c

@@ -1516,6 +1516,7 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
                 av_log(mxf->fc, AV_LOG_VERBOSE, ".");
         }
         av_log(mxf->fc, AV_LOG_VERBOSE, "\n");
+
         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);
@@ -1605,8 +1606,10 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
             if (!ff_alloc_extradata(st->codec, descriptor->extradata_size)) {
                 memcpy(st->codec->extradata, descriptor->extradata, descriptor->extradata_size);
             }
-        } else if(st->codec->codec_id == AV_CODEC_ID_H264) {
-            ff_generate_avci_extradata(st);
+        } else if (st->codec->codec_id == AV_CODEC_ID_H264) {
+            ret = ff_generate_avci_extradata(st);
+            if (ret < 0)
+                return ret;
         }
         if (st->codec->codec_type != AVMEDIA_TYPE_DATA && (*essence_container_ul)[15] > 0x01) {
             /* TODO: decode timestamps */

libavformat/utils.c

@@ -4171,7 +4171,7 @@ int avformat_match_stream_specifier(AVFormatContext *s, AVStream *st,
     return AVERROR(EINVAL);
 }
 
-void ff_generate_avci_extradata(AVStream *st)
+int ff_generate_avci_extradata(AVStream *st)
 {
     static const uint8_t avci100_1080p_extradata[] = {
         // SPS
@@ -4238,8 +4238,10 @@ void ff_generate_avci_extradata(AVStream *st)
         0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x31, 0x12,
         0x11
     };
+
+    const uint8_t *data = NULL;
     int size = 0;
-    const uint8_t *data = 0;
+
     if (st->codec->width == 1920) {
         if (st->codec->field_order == AV_FIELD_PROGRESSIVE) {
             data = avci100_1080p_extradata;
@@ -4255,10 +4257,14 @@ void ff_generate_avci_extradata(AVStream *st)
         data = avci100_720p_extradata;
         size = sizeof(avci100_720p_extradata);
     }
+
     if (!size)
-        return;
+        return 0;
+
     av_freep(&st->codec->extradata);
     if (ff_alloc_extradata(st->codec, size))
-        return;
+        return AVERROR(ENOMEM);
     memcpy(st->codec->extradata, data, size);
+
+    return 0;
 }