Merge remote-tracking branch 'cehoyos/master'

* cehoyos/master:
  Improve amr bitrate calculation for VBR files.
  Warn if rawvideo and an unreadable pix_fmt are written.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/raw.c

@@ -234,3 +234,28 @@ unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat fmt)
     }
     return 0;
 }
+
+const PixelFormatTag avpriv_pix_fmt_bps_avi[] = {
+    { AV_PIX_FMT_MONOWHITE, 1 },
+    { AV_PIX_FMT_PAL8,    2 },
+    { AV_PIX_FMT_PAL8,    4 },
+    { AV_PIX_FMT_PAL8,    8 },
+    { AV_PIX_FMT_RGB444LE, 12 },
+    { AV_PIX_FMT_RGB555LE, 15 },
+    { AV_PIX_FMT_RGB555LE, 16 },
+    { AV_PIX_FMT_BGR24,  24 },
+    { AV_PIX_FMT_BGRA,   32 },
+    { AV_PIX_FMT_NONE,    0 },
+};
+
+const PixelFormatTag avpriv_pix_fmt_bps_mov[] = {
+    { AV_PIX_FMT_MONOWHITE, 1 },
+    { AV_PIX_FMT_PAL8,      2 },
+    { AV_PIX_FMT_PAL8,      4 },
+    { AV_PIX_FMT_PAL8,      8 },
+    { AV_PIX_FMT_RGB555BE, 16 },
+    { AV_PIX_FMT_RGB24,    24 },
+    { AV_PIX_FMT_ARGB,     32 },
+    { AV_PIX_FMT_MONOWHITE,33 },
+    { AV_PIX_FMT_NONE,      0 },
+};

libavcodec/raw.h

@@ -41,4 +41,7 @@ enum AVPixelFormat ff_find_pix_fmt(const PixelFormatTag *tags, unsigned int four
 #endif
 enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags, unsigned int fourcc);
 
+extern av_export const PixelFormatTag avpriv_pix_fmt_bps_avi[];
+extern av_export const PixelFormatTag avpriv_pix_fmt_bps_mov[];
+
 #endif /* AVCODEC_RAW_H */

libavcodec/rawdec.c

@@ -62,31 +62,6 @@ static const AVClass rawdec_class = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-static const PixelFormatTag pix_fmt_bps_avi[] = {
-    { AV_PIX_FMT_MONOWHITE, 1 },
-    { AV_PIX_FMT_PAL8,    2 },
-    { AV_PIX_FMT_PAL8,    4 },
-    { AV_PIX_FMT_PAL8,    8 },
-    { AV_PIX_FMT_RGB444LE, 12 },
-    { AV_PIX_FMT_RGB555LE, 15 },
-    { AV_PIX_FMT_RGB555LE, 16 },
-    { AV_PIX_FMT_BGR24,  24 },
-    { AV_PIX_FMT_BGRA,   32 },
-    { AV_PIX_FMT_NONE,    0 },
-};
-
-static const PixelFormatTag pix_fmt_bps_mov[] = {
-    { AV_PIX_FMT_MONOWHITE, 1 },
-    { AV_PIX_FMT_PAL8,      2 },
-    { AV_PIX_FMT_PAL8,      4 },
-    { AV_PIX_FMT_PAL8,      8 },
-    { AV_PIX_FMT_RGB555BE, 16 },
-    { AV_PIX_FMT_RGB24,    24 },
-    { AV_PIX_FMT_ARGB,     32 },
-    { AV_PIX_FMT_MONOWHITE,33 },
-    { AV_PIX_FMT_NONE,      0 },
-};
-
 #if LIBAVCODEC_VERSION_MAJOR < 55
 enum AVPixelFormat ff_find_pix_fmt(const PixelFormatTag *tags, unsigned int fourcc)
 {
@@ -103,15 +78,15 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx)
 
     if (   avctx->codec_tag == MKTAG('r','a','w',' ')
         || avctx->codec_tag == MKTAG('N','O','1','6'))
-        avctx->pix_fmt = avpriv_find_pix_fmt(pix_fmt_bps_mov,
+        avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
                                       avctx->bits_per_coded_sample);
     else if (avctx->codec_tag == MKTAG('W', 'R', 'A', 'W'))
-        avctx->pix_fmt = avpriv_find_pix_fmt(pix_fmt_bps_avi,
+        avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi,
                                       avctx->bits_per_coded_sample);
     else if (avctx->codec_tag && (avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0))
         avctx->pix_fmt = avpriv_find_pix_fmt(ff_raw_pix_fmt_tags, avctx->codec_tag);
     else if (avctx->pix_fmt == AV_PIX_FMT_NONE && avctx->bits_per_coded_sample)
-        avctx->pix_fmt = avpriv_find_pix_fmt(pix_fmt_bps_avi,
+        avctx->pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi,
                                       avctx->bits_per_coded_sample);
 
     desc = av_pix_fmt_desc_get(avctx->pix_fmt);

libavformat/amr.c

@@ -30,6 +30,11 @@ Only mono files are supported.
 #include "avformat.h"
 #include "internal.h"
 
+typedef struct {
+    uint64_t cumulated_size;
+    uint64_t block_count;
+} AMRContext;
+
 static const char AMR_header[]   = "#!AMR\n";
 static const char AMRWB_header[] = "#!AMR-WB\n";
 
@@ -110,6 +115,7 @@ static int amr_read_packet(AVFormatContext *s, AVPacket *pkt)
     AVCodecContext *enc = s->streams[0]->codec;
     int read, size = 0, toc, mode;
     int64_t pos = avio_tell(s->pb);
+    AMRContext *amr = s->priv_data;
 
     if (url_feof(s->pb)) {
         return AVERROR(EIO);
@@ -136,8 +142,11 @@ static int amr_read_packet(AVFormatContext *s, AVPacket *pkt)
     if (!size || av_new_packet(pkt, size))
         return AVERROR(EIO);
 
-    /* Both AMR formats have 50 frames per second */
-    s->streams[0]->codec->bit_rate = size*8*50;
+    if (amr->cumulated_size < UINT64_MAX - size) {
+        amr->cumulated_size += size;
+        /* Both AMR formats have 50 frames per second */
+        s->streams[0]->codec->bit_rate = amr->cumulated_size / ++amr->block_count * 8 * 50;
+    }
 
     pkt->stream_index = 0;
     pkt->pos          = pos;
@@ -157,6 +166,7 @@ static int amr_read_packet(AVFormatContext *s, AVPacket *pkt)
 AVInputFormat ff_amr_demuxer = {
     .name           = "amr",
     .long_name      = NULL_IF_CONFIG_SMALL("3GPP AMR"),
+    .priv_data_size = sizeof(AMRContext),
     .read_probe     = amr_probe,
     .read_header    = amr_read_header,
     .read_packet    = amr_read_packet,

libavformat/avienc.c

@@ -32,6 +32,8 @@
 #include "libavutil/dict.h"
 #include "libavutil/avassert.h"
 #include "libavutil/timestamp.h"
+#include "libavutil/pixdesc.h"
+#include "libavcodec/raw.h"
 
 /*
  * TODO:
@@ -296,6 +298,7 @@ static int avi_write_header(AVFormatContext *s)
 
         if (stream->codec_type != AVMEDIA_TYPE_DATA) {
             int ret;
+            enum AVPixelFormat pix_fmt;
 
             strf = ff_start_tag(pb, "strf");
             switch (stream->codec_type) {
@@ -306,6 +309,14 @@ static int avi_write_header(AVFormatContext *s)
                     break;
             case AVMEDIA_TYPE_VIDEO:
                 ff_put_bmp_header(pb, stream, ff_codec_bmp_tags, 0, 0);
+                pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi,
+                                              stream->bits_per_coded_sample);
+                if (   !stream->codec_tag
+                    && stream->codec_id == AV_CODEC_ID_RAWVIDEO
+                    && stream->pix_fmt != pix_fmt
+                    && stream->pix_fmt != AV_PIX_FMT_NONE)
+                    av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to avi, output file will be unreadable\n",
+                          av_get_pix_fmt_name(stream->pix_fmt));
                 break;
             case AVMEDIA_TYPE_AUDIO:
                 if ((ret = ff_put_wav_header(pb, stream)) < 0)

libavformat/movenc.c

@@ -34,12 +34,14 @@
 #include "libavcodec/get_bits.h"
 #include "libavcodec/put_bits.h"
 #include "libavcodec/vc1.h"
+#include "libavcodec/raw.h"
 #include "internal.h"
 #include "libavutil/avstring.h"
 #include "libavutil/intfloat.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "libavutil/dict.h"
+#include "libavutil/pixdesc.h"
 #include "hevc.h"
 #include "rtpenc.h"
 #include "mov_chan.h"
@@ -1009,6 +1011,7 @@ static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
 {
     int tag = track->enc->codec_tag;
     int i;
+    enum AVPixelFormat pix_fmt;
 
     for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
         if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
@@ -1019,6 +1022,13 @@ static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
         }
     }
 
+    pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
+                                  track->enc->bits_per_coded_sample);
+    if (tag == MKTAG('r','a','w',' ') &&
+        track->enc->pix_fmt != pix_fmt &&
+        track->enc->pix_fmt != AV_PIX_FMT_NONE)
+        av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
+               av_get_pix_fmt_name(track->enc->pix_fmt));
     return tag;
 }