Merge remote-tracking branch 'qatar/master'

* qatar/master: (22 commits)
  wma: Clip WMA1 and WMA2 frame length to 11 bits.
  movenc: Don't require frame_size to be set for modes other than mov
  doc: Update APIchanges with info on muxer flushing
  movenc: Reindent a block
  tools: Remove some unnecessary #undefs.
  rv20: prevent calling ff_h263_decode_mba() with unset height/width
  tools: K&R reformatting cosmetics
  Ignore generated aviocat and ismindex tools.
  build: Automatically include architecture-specific library Makefile snippets.
  indeo5: prevent null pointer dereference on broken files
  pktdumper: Use usleep instead of sleep
  cosmetics: Remove some unnecessary block braces.
  Drop unnecessary prefix from *sink* variable and struct names.
  Add a tool for creating smooth streaming manifests
  movdec: Calculate an average bit rate for fragmented streams, too
  movenc: Write the sample rate instead of time scale in the stsd atom
  movenc: Add a separate ismv/isma (smooth streaming) muxer
  movenc: Allow the caller to decide on fragmentation
  libavformat: Add a flag for muxers that support write_packet(NULL) for flushing
  movenc: Add support for writing fragmented mov files
  ...

Conflicts:
	Changelog
	cmdutils.c
	cmdutils.h
	doc/APIchanges
	ffmpeg.c
	ffplay.c
	libavfilter/Makefile
	libavformat/Makefile
	libavformat/avformat.h
	libavformat/movenc.c
	libavformat/movenc.h
	libavformat/version.h
	tools/graph2dot.c

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

.gitignore

@@ -44,8 +44,10 @@ tests/tiny_psnr
 tests/videogen
 tests/vsynth1
 tests/vsynth2
+tools/aviocat
 tools/cws2fws
 tools/graph2dot
+tools/ismindex
 tools/lavfi-showfiltfmts
 tools/pktdumper
 tools/probetest

Changelog

@@ -12,6 +12,7 @@ version next:
 - tinterlace video filter
 - astreamsync audio filter
 - amerge audio filter
+- ISMV (Smooth Streaming) muxer
 - GSM audio parser
 - SMJPEG muxer
 - XWD encoder and decoder

Makefile

@@ -77,6 +77,7 @@ define DOSUBDIR
 $(foreach V,$(SUBDIR_VARS),$(eval $(call RESET,$(V))))
 SUBDIR := $(1)/
 include $(SRC_PATH)/$(1)/Makefile
+-include $(SRC_PATH)/$(1)/$(ARCH)/Makefile
 include $(SRC_PATH)/library.mak
 endef
 

doc/APIchanges

@@ -16,6 +16,12 @@ API changes, most recent first:
 2012-01-24 - xxxxxxx - lavfi 2.60.100
   Add avfilter_graph_dump.
 
+2012-01-25 - lavf 53.22.0
+  f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
+          buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
+          muxers supporting it (av_write_frame makes sure it is called
+          only for muxers with this flag).
+
 2012-01-15 - lavc 53.34.0
   New audio encoding API:
   b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio

ffmpeg.c

@@ -629,6 +629,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
                                        "src", args, NULL, ost->graph);
     if (ret < 0)
         return ret;
+
 #if FF_API_OLD_VSINK_API
     ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
                                        "out", NULL, pix_fmts, ost->graph);
@@ -638,6 +639,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
                                        "out", NULL, buffersink_params, ost->graph);
 #endif
     av_freep(&buffersink_params);
+
     if (ret < 0)
         return ret;
     last_filter = ost->input_video_filter;

ffplay.c

@@ -1745,6 +1745,7 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
     if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
                                             NULL, is, graph)) < 0)
         return ret;
+
 #if FF_API_OLD_VSINK_API
     ret = avfilter_graph_create_filter(&filt_out, avfilter_get_by_name("buffersink"), "out",
                                        NULL, pix_fmts, graph);

libavcodec/Makefile

@@ -721,8 +721,6 @@ OBJS-$(CONFIG_MLIB)                    += mlib/dsputil_mlib.o           \
 # well.
 OBJS-$(!CONFIG_SMALL)                  += inverse.o
 
--include $(SRC_PATH)/$(SUBDIR)$(ARCH)/Makefile
-
 SKIPHEADERS                            += %_tablegen.h                  \
                                           %_tables.h                    \
                                           aac_tablegen_decl.h           \

libavcodec/indeo5.c

@@ -454,6 +454,10 @@ static int decode_mb_info(IVI5DecContext *ctx, IVIBandDesc *band,
     ref_mb = tile->ref_mbs;
     offs   = tile->ypos * band->pitch + tile->xpos;
 
+    if (!ref_mb &&
+        ((band->qdelta_present && band->inherit_qdelta) || band->inherit_mv))
+        return AVERROR_INVALIDDATA;
+
     /* scale factor for motion vectors */
     mv_scale = (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3);
     mv_x = mv_y = 0;

libavcodec/motion_est.c

@@ -1301,28 +1301,26 @@ static int ff_estimate_motion_b(MpegEncContext * s,
         break;
     case ME_X1:
     case ME_EPZS:
-       {
-            P_LEFT[0]        = mv_table[mot_xy - 1][0];
-            P_LEFT[1]        = mv_table[mot_xy - 1][1];
-
-            if(P_LEFT[0]       > (c->xmax<<shift)) P_LEFT[0]       = (c->xmax<<shift);
+        P_LEFT[0] = mv_table[mot_xy - 1][0];
+        P_LEFT[1] = mv_table[mot_xy - 1][1];
 
-            /* special case for first line */
-            if (!s->first_slice_line) {
-                P_TOP[0] = mv_table[mot_xy - mot_stride             ][0];
-                P_TOP[1] = mv_table[mot_xy - mot_stride             ][1];
-                P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1         ][0];
-                P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1         ][1];
-                if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift);
-                if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
-                if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
+        if (P_LEFT[0] > (c->xmax << shift)) P_LEFT[0] = (c->xmax << shift);
 
-                P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
-                P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
-            }
-            c->pred_x= P_LEFT[0];
-            c->pred_y= P_LEFT[1];
+        /* special case for first line */
+        if (!s->first_slice_line) {
+            P_TOP[0]      = mv_table[mot_xy - mot_stride    ][0];
+            P_TOP[1]      = mv_table[mot_xy - mot_stride    ][1];
+            P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1][0];
+            P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1][1];
+            if (P_TOP[1] > (c->ymax << shift)) P_TOP[1] = (c->ymax << shift);
+            if (P_TOPRIGHT[0] < (c->xmin << shift)) P_TOPRIGHT[0] = (c->xmin << shift);
+            if (P_TOPRIGHT[1] > (c->ymax << shift)) P_TOPRIGHT[1] = (c->ymax << shift);
+
+            P_MEDIAN[0] = mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+            P_MEDIAN[1] = mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
         }
+        c->pred_x = P_LEFT[0];
+        c->pred_y = P_LEFT[1];
 
         if(mv_table == s->b_forw_mv_table){
             mv_scale= (s->pb_time<<16) / (s->pp_time<<shift);

libavcodec/rv10.c

@@ -379,7 +379,8 @@ static int rv20_decode_picture_header(MpegEncContext *s)
         if(s->avctx->debug & FF_DEBUG_PICT_INFO){
             av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits);
         }
-    }
+    } else if (av_image_check_size(s->width, s->height, 0, s->avctx) < 0)
+        return AVERROR_INVALIDDATA;
 
     mb_pos = ff_h263_decode_mba(s);
 

libavcodec/wma.c

@@ -85,7 +85,7 @@ int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version,
     } else if (sample_rate <= 22050 ||
              (sample_rate <= 32000 && version == 1)) {
         frame_len_bits = 10;
-    } else if (sample_rate <= 48000) {
+    } else if (sample_rate <= 48000 || version < 3) {
         frame_len_bits = 11;
     } else if (sample_rate <= 96000) {
         frame_len_bits = 12;

libavcodec/x86/dsputil_mmx.c

@@ -839,7 +839,7 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w,
     }
 
     if (sides&EDGE_BOTTOM) {
-        for(i = 0; i < w; i += 4) {
+        for(i = 0; i < h; i += 4) {
             ptr= last_line + (i + 1) * wrap - w;
             __asm__ volatile(
                     "1:                             \n\t"

libavfilter/Makefile

@@ -106,7 +106,6 @@ OBJS-$(CONFIG_TESTSRC_FILTER)                += vsrc_testsrc.o
 OBJS-$(CONFIG_BUFFERSINK_FILTER)             += sink_buffer.o
 OBJS-$(CONFIG_NULLSINK_FILTER)               += vsink_nullsink.o
 
-
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/mp_image.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/img_format.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_2xsai.o
@@ -164,8 +163,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_yvu9.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/pullup.o
 
 
--include $(SRC_PATH)/$(SUBDIR)$(ARCH)/Makefile
-
 DIRS = x86 libmpcodecs
 
 TESTPROGS = formats

libavfilter/vf_hflip.c

@@ -96,10 +96,8 @@ static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
         for (i = 0; i < h>>vsub; i++) {
             switch (step) {
             case 1:
-            {
                 for (j = 0; j < (inlink->w >> hsub); j++)
                     outrow[j] = inrow[-j];
-            }
             break;
 
             case 2:

libavformat/Makefile

@@ -374,4 +374,4 @@ OBJS-$(CONFIG_UDP_PROTOCOL)              += udp.o
 
 SKIPHEADERS-$(CONFIG_NETWORK)            += network.h rtsp.h
 TESTPROGS = seek
-TOOLS     = aviocat pktdumper probetest
+TOOLS     = aviocat ismindex pktdumper probetest

libavformat/allformats.c

@@ -119,6 +119,7 @@ void av_register_all(void)
     REGISTER_DEMUXER  (INGENIENT, ingenient);
     REGISTER_DEMUXER  (IPMOVIE, ipmovie);
     REGISTER_MUXER    (IPOD, ipod);
+    REGISTER_MUXER    (ISMV, ismv);
     REGISTER_DEMUXER  (ISS, iss);
     REGISTER_DEMUXER  (IV8, iv8);
     REGISTER_MUXDEMUX (IVF, ivf);

libavformat/avformat.h

@@ -380,6 +380,7 @@ typedef struct AVFormatParameters {
 #define AVFMT_NOBINSEARCH   0x2000 /**< Format does not allow to fallback to binary search via read_timestamp */
 #define AVFMT_NOGENSEARCH   0x4000 /**< Format does not allow to fallback to generic search */
 #define AVFMT_NO_BYTE_SEEK  0x8000 /**< Format does not allow seeking by bytes */
+#define AVFMT_ALLOW_FLUSH  0x10000 /**< Format allows flushing. If not set, the muxer will not receive a NULL packet in the write_packet function. */
 #define AVFMT_TS_NONSTRICT  0x8000000 /**< Format does not require strictly
                                            increasing timestamps, but they must
                                            still be monotonic */
@@ -406,12 +407,19 @@ typedef struct AVOutputFormat {
     enum CodecID audio_codec; /**< default audio codec */
     enum CodecID video_codec; /**< default video codec */
     int (*write_header)(struct AVFormatContext *);
+    /**
+     * Write a packet. If AVFMT_ALLOW_FLUSH is set in flags,
+     * pkt can be NULL in order to flush data buffered in the muxer.
+     * When flushing, return 0 if there still is more data to flush,
+     * or 1 if everything was flushed and there is no more buffered
+     * data.
+     */
     int (*write_packet)(struct AVFormatContext *, AVPacket *pkt);
     int (*write_trailer)(struct AVFormatContext *);
     /**
      * can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_RAWPICTURE,
      * AVFMT_GLOBALHEADER, AVFMT_NOTIMESTAMPS, AVFMT_VARIABLE_FPS,
-     * AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS
+     * AVFMT_NODIMENSIONS, AVFMT_NOSTREAMS, AVFMT_ALLOW_FLUSH
      */
     int flags;
 
@@ -1803,8 +1811,12 @@ attribute_deprecated int av_write_header(AVFormatContext *s);
  *
  * @param s media file handle
  * @param pkt The packet, which contains the stream_index, buf/buf_size,
-              dts/pts, ...
- * @return < 0 on error, = 0 if OK, 1 if end of stream wanted
+ *            dts/pts, ...
+ *            This can be NULL (at any time, not just at the end), in
+ *            order to immediately flush data buffered within the muxer,
+ *            for muxers that buffer up data internally before writing it
+ *            to the output.
+ * @return < 0 on error, = 0 if OK, 1 if flushed and there is no more data to flush
  */
 int av_write_frame(AVFormatContext *s, AVPacket *pkt);
 

libavformat/isom.h

@@ -127,6 +127,7 @@ typedef struct MOVStreamContext {
     int dts_shift;        ///< dts shift when ctts is negative
     uint32_t palette[256];
     int has_palette;
+    int64_t data_size;
 } MOVStreamContext;
 
 typedef struct MOVContext {

libavformat/mov.c

@@ -1643,8 +1643,10 @@ static int mov_read_stsz(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 
     init_get_bits(&gb, buf, 8*num_bytes);
 
-    for (i=0; i<entries; i++)
+    for (i = 0; i < entries; i++) {
         sc->sample_sizes[i] = get_bits_long(&gb, field_size);
+        sc->data_size += sc->sample_sizes[i];
+    }
 
     av_free(buf);
     return 0;
@@ -2347,6 +2349,7 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         distance++;
         dts += sample_duration;
         offset += sample_size;
+        sc->data_size += sample_size;
     }
     frag->moof_offset = offset;
     st->duration = dts + sc->time_offset;
@@ -2722,6 +2725,16 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap)
                 mov_read_timecode_track(s, s->streams[i]);
     }
 
+    if (mov->trex_data) {
+        int i;
+        for (i = 0; i < s->nb_streams; i++) {
+            AVStream *st = s->streams[i];
+            MOVStreamContext *sc = st->priv_data;
+            if (st->duration)
+                st->codec->bit_rate = sc->data_size * 8 * sc->time_scale / st->duration;
+        }
+    }
+
     return 0;
 }
 

libavformat/movenc.h

@@ -38,6 +38,7 @@
 // ffmpeg -i testinput.avi  -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
 #define MODE_3G2  0x10
 #define MODE_IPOD 0x20
+#define MODE_ISM  0x40
 
 typedef struct MOVIentry {
     uint64_t     pos;
@@ -50,7 +51,6 @@ typedef struct MOVIentry {
 #define MOV_SYNC_SAMPLE         0x0001
 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
     uint32_t     flags;
-    uint8_t      *data;
 } MOVIentry;
 
 typedef struct HintSample {
@@ -67,6 +67,13 @@ typedef struct {
     HintSample *samples;
 } HintSampleQueue;
 
+typedef struct {
+    int64_t offset;
+    int64_t time;
+    int64_t duration;
+    int64_t tfrf_offset;
+} MOVFragmentInfo;
+
 typedef struct MOVIndex {
     int         mode;
     int         entry;
@@ -87,14 +94,12 @@ typedef struct MOVIndex {
 
     int         vosLen;
     uint8_t     *vosData;
-    int         cluster_write_index;
     MOVIentry   *cluster;
     int         audio_vbr;
     int         height; ///< active picture (w/o VBI) height for D-10/IMX
     uint32_t    tref_tag;
     int         tref_id; ///< trackID of the referenced track
-    uint32_t    trex_flags;
-    int         trex_size;
+    int64_t     start_dts;
 
     int         hint_track;   ///< the track that hints this track, -1 if no hint track is set
     int         src_track;    ///< the track that this hint track describes
@@ -102,9 +107,21 @@ typedef struct MOVIndex {
     uint32_t    prev_rtp_ts;
     int64_t     cur_rtp_ts_unwrapped;
     uint32_t    max_packet_size;
-    int64_t     base_data_offset_pos;
+
+    int64_t     default_duration;
+    uint32_t    default_sample_flags;
+    uint32_t    default_size;
 
     HintSampleQueue sample_queue;
+
+    AVIOContext *mdat_buf;
+    int64_t     moof_size_offset;
+    int64_t     data_offset;
+    int64_t     frag_start;
+    int64_t     tfrf_offset;
+
+    int         nb_frag_info;
+    MOVFragmentInfo *frag_info;
 } MOVTrack;
 
 typedef struct MOVMuxContext {
@@ -116,22 +133,28 @@ typedef struct MOVMuxContext {
     int64_t mdat_pos;
     uint64_t mdat_size;
     MOVTrack *tracks;
-    int fragments;
-    int frag_seq_num;
 
     int flags;
     int rtp_flags;
     int reserved_moov_size;
     int64_t reserved_moov_pos;
-    int max_fragment_duration;
-    int max_fragment_size;
 
     int iods_skip;
     int iods_video_profile;
     int iods_audio_profile;
+
+    int fragments;
+    int max_fragment_duration;
+    int max_fragment_size;
+    int ism_lookahead;
 } MOVMuxContext;
 
 #define FF_MOV_FLAG_RTP_HINT 1
+#define FF_MOV_FLAG_FRAGMENT 2
+#define FF_MOV_FLAG_EMPTY_MOOV 4
+#define FF_MOV_FLAG_FRAG_KEYFRAME 8
+#define FF_MOV_FLAG_SEPARATE_MOOF 16
+#define FF_MOV_FLAG_FRAG_CUSTOM 32
 
 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);
 

libavformat/utils.c

@@ -3336,7 +3336,15 @@ static int compute_pkt_fields2(AVFormatContext *s, AVStream *st, AVPacket *pkt){
 
 int av_write_frame(AVFormatContext *s, AVPacket *pkt)
 {
-    int ret = compute_pkt_fields2(s, s->streams[pkt->stream_index], pkt);
+    int ret;
+
+    if (!pkt) {
+        if (s->oformat->flags & AVFMT_ALLOW_FLUSH)
+            return s->oformat->write_packet(s, pkt);
+        return 1;
+    }
+
+    ret = compute_pkt_fields2(s, s->streams[pkt->stream_index], pkt);
 
     if(ret<0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
         return ret;

libavformat/version.h

@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 53
-#define LIBAVFORMAT_VERSION_MINOR 30
+#define LIBAVFORMAT_VERSION_MINOR 31
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \

libswscale/ppc/swscale_altivec.c

@@ -99,7 +99,6 @@ yuv2planeX_altivec(const int16_t *filter, int filterSize,
                    const uint8_t *dither, int offset)
 {
     register int i, j;
-    {
         DECLARE_ALIGNED(16, int, val)[dstW];
 
         for (i=0; i<dstW; i++)
@@ -142,7 +141,6 @@ yuv2planeX_altivec(const int16_t *filter, int filterSize,
             }
         }
         altivec_packIntArrayToCharArray(val, dest, dstW);
-    }
 }
 
 static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
@@ -166,7 +164,6 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
     else
     switch (filterSize) {
     case 4:
-    {
     for (i=0; i<dstW; i++) {
         register int srcPos = filterPos[i];
 
@@ -201,11 +198,9 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
         vec_st(val_s, 0, tempo);
         dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
     }
-    }
     break;
 
     case 8:
-    {
     for (i=0; i<dstW; i++) {
         register int srcPos = filterPos[i];
 
@@ -228,11 +223,9 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
         vec_st(val_s, 0, tempo);
         dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
     }
-    }
     break;
 
     case 16:
-    {
         for (i=0; i<dstW; i++) {
             register int srcPos = filterPos[i];
 
@@ -257,11 +250,9 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
             vec_st(val_s, 0, tempo);
             dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
         }
-    }
     break;
 
     default:
-    {
     for (i=0; i<dstW; i++) {
         register int j;
         register int srcPos = filterPos[i];
@@ -321,7 +312,6 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
     }
 
     }
-    }
 }
 
 void ff_sws_init_swScale_altivec(SwsContext *c)

tools/aviocat.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+
 #include "libavformat/avformat.h"
 
 static int usage(const char *argv0, int ret)
@@ -80,13 +81,14 @@ int main(int argc, char **argv)
         stream_pos += n;
         if (bps) {
             avio_flush(output);
-            while ((av_gettime() - start_time)*bps/AV_TIME_BASE < stream_pos)
-                usleep(50*1000);
+            while ((av_gettime() - start_time) * bps / AV_TIME_BASE < stream_pos)
+                usleep(50 * 1000);
         }
     }
 
     avio_flush(output);
     avio_close(output);
+
 fail:
     avio_close(input);
     avformat_network_deinit();

tools/cws2fws.c

@@ -26,46 +26,42 @@ int main(int argc, char *argv[])
     z_stream zstream;
     struct stat statbuf;
 
-    if (argc < 3)
-    {
+    if (argc < 3) {
         printf("Usage: %s <infile.swf> <outfile.swf>\n", argv[0]);
         return 1;
     }
 
     fd_in = open(argv[1], O_RDONLY);
-    if (fd_in < 0)
-    {
+    if (fd_in < 0) {
         perror("Error opening input file");
         return 1;
     }
 
-    fd_out = open(argv[2], O_WRONLY|O_CREAT, 00644);
-    if (fd_out < 0)
-    {
+    fd_out = open(argv[2], O_WRONLY | O_CREAT, 00644);
+    if (fd_out < 0) {
         perror("Error opening output file");
         close(fd_in);
         return 1;
     }
 
-    if (read(fd_in, &buf_in, 8) != 8)
-    {
+    if (read(fd_in, &buf_in, 8) != 8) {
         printf("Header error\n");
         close(fd_in);
         close(fd_out);
         return 1;
     }
 
-    if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S')
-    {
+    if (buf_in[0] != 'C' || buf_in[1] != 'W' || buf_in[2] != 'S') {
         printf("Not a compressed flash file\n");
         return 1;
     }
 
     fstat(fd_in, &statbuf);
-    comp_len = statbuf.st_size;
+    comp_len   = statbuf.st_size;
     uncomp_len = buf_in[4] | (buf_in[5] << 8) | (buf_in[6] << 16) | (buf_in[7] << 24);
 
-    printf("Compressed size: %d Uncompressed size: %d\n", comp_len-4, uncomp_len-4);
+    printf("Compressed size: %d Uncompressed size: %d\n",
+           comp_len - 4, uncomp_len - 4);
 
     // write out modified header
     buf_in[0] = 'F';
@@ -75,36 +71,35 @@ int main(int argc, char *argv[])
     }
 
     zstream.zalloc = NULL;
-    zstream.zfree = NULL;
+    zstream.zfree  = NULL;
     zstream.opaque = NULL;
     inflateInit(&zstream);
 
-    for (i = 0; i < comp_len-8;)
-    {
+    for (i = 0; i < comp_len - 8;) {
         int ret, len = read(fd_in, &buf_in, 1024);
 
         dbgprintf("read %d bytes\n", len);
 
         last_out = zstream.total_out;
 
-        zstream.next_in = &buf_in[0];
-        zstream.avail_in = len;
-        zstream.next_out = &buf_out[0];
+        zstream.next_in   = &buf_in[0];
+        zstream.avail_in  = len;
+        zstream.next_out  = &buf_out[0];
         zstream.avail_out = 65536;
 
         ret = inflate(&zstream, Z_SYNC_FLUSH);
-        if (ret != Z_STREAM_END && ret != Z_OK)
-        {
+        if (ret != Z_STREAM_END && ret != Z_OK) {
             printf("Error while decompressing: %d\n", ret);
             inflateEnd(&zstream);
             return 1;
         }
 
         dbgprintf("a_in: %d t_in: %lu a_out: %d t_out: %lu -- %lu out\n",
-            zstream.avail_in, zstream.total_in, zstream.avail_out, zstream.total_out,
-            zstream.total_out-last_out);
+                  zstream.avail_in, zstream.total_in, zstream.avail_out,
+                  zstream.total_out, zstream.total_out - last_out);
 
-        if (write(fd_out, &buf_out, zstream.total_out - last_out) < zstream.total_out - last_out) {
+        if (write(fd_out, &buf_out, zstream.total_out - last_out) <
+            zstream.total_out - last_out) {
             perror("Error writing output file");
             return 1;
         }
@@ -115,15 +110,14 @@ int main(int argc, char *argv[])
             break;
     }
 
-    if (zstream.total_out != uncomp_len-8)
-    {
+    if (zstream.total_out != uncomp_len - 8) {
         printf("Size mismatch (%lu != %d), updating header...\n",
-            zstream.total_out, uncomp_len-8);
+               zstream.total_out, uncomp_len - 8);
 
-        buf_in[0] = (zstream.total_out+8) & 0xff;
-        buf_in[1] = ((zstream.total_out+8) >> 8) & 0xff;
-        buf_in[2] = ((zstream.total_out+8) >> 16) & 0xff;
-        buf_in[3] = ((zstream.total_out+8) >> 24) & 0xff;
+        buf_in[0] =  (zstream.total_out + 8)        & 0xff;
+        buf_in[1] = ((zstream.total_out + 8) >>  8) & 0xff;
+        buf_in[2] = ((zstream.total_out + 8) >> 16) & 0xff;
+        buf_in[3] = ((zstream.total_out + 8) >> 24) & 0xff;
 
         lseek(fd_out, 4, SEEK_SET);
         if (write(fd_out, &buf_in, 4) < 4) {

tools/graph2dot.c

@@ -20,7 +20,6 @@
 
 #include <unistd.h>             /* getopt */
 
-#undef HAVE_AV_CONFIG_H
 #include "libavutil/pixdesc.h"
 #include "libavutil/audioconvert.h"
 #include "libavfilter/avfiltergraph.h"
@@ -63,19 +62,25 @@ static void print_digraph(FILE *outfile, AVFilterGraph *graph)
                 char dst_filter_ctx_label[128];
                 const AVFilterContext *dst_filter_ctx = link->dst;
 
-                snprintf(dst_filter_ctx_label, sizeof(dst_filter_ctx_label), "%s (%s)",
+                snprintf(dst_filter_ctx_label, sizeof(dst_filter_ctx_label),
+                         "%s (%s)",
                          dst_filter_ctx->name,
                          dst_filter_ctx->filter->name);
 
-                fprintf(outfile, "\"%s\" -> \"%s\"", filter_ctx_label, dst_filter_ctx_label);
+                fprintf(outfile, "\"%s\" -> \"%s\"",
+                        filter_ctx_label, dst_filter_ctx_label);
                 if (link->type == AVMEDIA_TYPE_VIDEO) {
-                    fprintf(outfile, " [ label= \"fmt:%s w:%d h:%d tb:%d/%d\" ]",
+                    fprintf(outfile,
+                            " [ label= \"fmt:%s w:%d h:%d tb:%d/%d\" ]",
                             av_pix_fmt_descriptors[link->format].name,
-                            link->w, link->h, link->time_base.num, link->time_base.den);
+                            link->w, link->h, link->time_base.num,
+                            link->time_base.den);
                 } else if (link->type == AVMEDIA_TYPE_AUDIO) {
                     char buf[255];
-                    av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
-                    fprintf(outfile, " [ label= \"fmt:%s sr:%"PRId64" cl:%s tb:%d/%d\" ]",
+                    av_get_channel_layout_string(buf, sizeof(buf), -1,
+                                                 link->channel_layout);
+                    fprintf(outfile,
+                            " [ label= \"fmt:%s sr:%"PRId64" cl:%s tb:%d/%d\" ]",
                             av_get_sample_fmt_name(link->format),
                             link->sample_rate, buf,
                             link->time_base.num, link->time_base.den);
@@ -90,17 +95,17 @@ static void print_digraph(FILE *outfile, AVFilterGraph *graph)
 int main(int argc, char **argv)
 {
     const char *outfilename = NULL;
-    const char *infilename = NULL;
-    FILE *outfile = NULL;
-    FILE *infile = NULL;
-    char *graph_string = NULL;
+    const char *infilename  = NULL;
+    FILE *outfile           = NULL;
+    FILE *infile            = NULL;
+    char *graph_string      = NULL;
     AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
     char c;
 
     av_log_set_level(AV_LOG_DEBUG);
 
     while ((c = getopt(argc, argv, "hi:o:")) != -1) {
-        switch(c) {
+        switch (c) {
         case 'h':
             usage();
             return 0;
@@ -119,7 +124,8 @@ int main(int argc, char **argv)
         infilename = "/dev/stdin";
     infile = fopen(infilename, "r");
     if (!infile) {
-        fprintf(stderr, "Impossible to open input file '%s': %s\n", infilename, strerror(errno));
+        fprintf(stderr, "Impossible to open input file '%s': %s\n",
+                infilename, strerror(errno));
         return 1;
     }
 
@@ -127,7 +133,8 @@ int main(int argc, char **argv)
         outfilename = "/dev/stdout";
     outfile = fopen(outfilename, "w");
     if (!outfile) {
-        fprintf(stderr, "Impossible to open output file '%s': %s\n", outfilename, strerror(errno));
+        fprintf(stderr, "Impossible to open output file '%s': %s\n",
+                outfilename, strerror(errno));
         return 1;
     }
 
@@ -142,7 +149,7 @@ int main(int argc, char **argv)
             struct line *new_line = av_malloc(sizeof(struct line));
             count += strlen(last_line->data);
             last_line->next = new_line;
-            last_line = new_line;
+            last_line       = new_line;
         }
         last_line->next = NULL;
 

tools/ismindex.c

@@ -0,0 +1,521 @@
+/*
+ * Copyright (c) 2012 Martin Storsjo
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * To create a simple file for smooth streaming:
+ * avconv <normal input/transcoding options> -movflags frag_keyframe foo.ismv
+ * ismindex -n foo foo.ismv
+ * This step creates foo.ism and foo.ismc that is required by IIS for
+ * serving it.
+ *
+ * To pre-split files for serving as static files by a web server without
+ * any extra server support, create the ismv file as above, and split it:
+ * ismindex -split foo.ismv
+ * This step creates a file Manifest and directories QualityLevel(...),
+ * that can be read directly by a smooth streaming player.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "libavformat/avformat.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mathematics.h"
+
+static int usage(const char *argv0, int ret)
+{
+    fprintf(stderr, "%s [-split] [-n basename] file1 [file2] ...\n", argv0);
+    return ret;
+}
+
+struct MoofOffset {
+    int64_t time;
+    int64_t offset;
+    int duration;
+};
+
+struct VideoFile {
+    const char *name;
+    int64_t duration;
+    int bitrate;
+    int track_id;
+    int is_audio, is_video;
+    int width, height;
+    int chunks;
+    int sample_rate, channels;
+    uint8_t *codec_private;
+    int codec_private_size;
+    struct MoofOffset *offsets;
+    int timescale;
+    const char *fourcc;
+    int blocksize;
+    int tag;
+};
+
+struct VideoFiles {
+    int nb_files;
+    int64_t duration;
+    struct VideoFile **files;
+    int video_file, audio_file;
+    int nb_video_files, nb_audio_files;
+};
+
+static int copy_tag(AVIOContext *in, AVIOContext *out, int32_t tag_name)
+{
+    int32_t size, tag;
+
+    size = avio_rb32(in);
+    tag  = avio_rb32(in);
+    avio_wb32(out, size);
+    avio_wb32(out, tag);
+    if (tag != tag_name)
+        return -1;
+    size -= 8;
+    while (size > 0) {
+        char buf[1024];
+        int len = FFMIN(sizeof(buf), size);
+        if (avio_read(in, buf, len) != len)
+            break;
+        avio_write(out, buf, len);
+        size -= len;
+    }
+    return 0;
+}
+
+static int write_fragment(const char *filename, AVIOContext *in)
+{
+    AVIOContext *out = NULL;
+    int ret;
+
+    if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, NULL, NULL)) < 0)
+        return ret;
+    copy_tag(in, out, MKBETAG('m', 'o', 'o', 'f'));
+    copy_tag(in, out, MKBETAG('m', 'd', 'a', 't'));
+
+    avio_flush(out);
+    avio_close(out);
+
+    return ret;
+}
+
+static int write_fragments(struct VideoFiles *files, int start_index,
+                           AVIOContext *in)
+{
+    char dirname[100], filename[500];
+    int i, j;
+
+    for (i = start_index; i < files->nb_files; i++) {
+        struct VideoFile *vf = files->files[i];
+        const char *type     = vf->is_video ? "video" : "audio";
+        snprintf(dirname, sizeof(dirname), "QualityLevels(%d)", vf->bitrate);
+        mkdir(dirname, 0777);
+        for (j = 0; j < vf->chunks; j++) {
+            snprintf(filename, sizeof(filename), "%s/Fragments(%s=%"PRId64")",
+                     dirname, type, vf->offsets[j].time);
+            avio_seek(in, vf->offsets[j].offset, SEEK_SET);
+            write_fragment(filename, in);
+        }
+    }
+    return 0;
+}
+
+static int read_tfra(struct VideoFiles *files, int start_index, AVIOContext *f)
+{
+    int ret = AVERROR_EOF, track_id;
+    int version, fieldlength, i, j;
+    int64_t pos   = avio_tell(f);
+    uint32_t size = avio_rb32(f);
+    struct VideoFile *vf = NULL;
+
+    if (avio_rb32(f) != MKBETAG('t', 'f', 'r', 'a'))
+        goto fail;
+    version = avio_r8(f);
+    avio_rb24(f);
+    track_id = avio_rb32(f); /* track id */
+    for (i = start_index; i < files->nb_files && !vf; i++)
+        if (files->files[i]->track_id == track_id)
+            vf = files->files[i];
+    if (!vf) {
+        /* Ok, continue parsing the next atom */
+        ret = 0;
+        goto fail;
+    }
+    fieldlength = avio_rb32(f);
+    vf->chunks  = avio_rb32(f);
+    vf->offsets = av_mallocz(sizeof(*vf->offsets) * vf->chunks);
+    if (!vf->offsets) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
+    for (i = 0; i < vf->chunks; i++) {
+        if (version == 1) {
+            vf->offsets[i].time   = avio_rb64(f);
+            vf->offsets[i].offset = avio_rb64(f);
+        } else {
+            vf->offsets[i].time   = avio_rb32(f);
+            vf->offsets[i].offset = avio_rb32(f);
+        }
+        for (j = 0; j < ((fieldlength >> 4) & 3) + 1; j++)
+            avio_r8(f);
+        for (j = 0; j < ((fieldlength >> 2) & 3) + 1; j++)
+            avio_r8(f);
+        for (j = 0; j < ((fieldlength >> 0) & 3) + 1; j++)
+            avio_r8(f);
+        if (i > 0)
+            vf->offsets[i - 1].duration = vf->offsets[i].time -
+                                          vf->offsets[i - 1].time;
+    }
+    if (vf->chunks > 0)
+        vf->offsets[vf->chunks - 1].duration = vf->duration -
+                                               vf->offsets[vf->chunks - 1].time;
+    ret = 0;
+
+fail:
+    avio_seek(f, pos + size, SEEK_SET);
+    return ret;
+}
+
+static int read_mfra(struct VideoFiles *files, int start_index,
+                     const char *file, int split)
+{
+    int err = 0;
+    AVIOContext *f = NULL;
+    int32_t mfra_size;
+
+    if ((err = avio_open2(&f, file, AVIO_FLAG_READ, NULL, NULL)) < 0)
+        goto fail;
+    avio_seek(f, avio_size(f) - 4, SEEK_SET);
+    mfra_size = avio_rb32(f);
+    avio_seek(f, -mfra_size, SEEK_CUR);
+    if (avio_rb32(f) != mfra_size)
+        goto fail;
+    if (avio_rb32(f) != MKBETAG('m', 'f', 'r', 'a'))
+        goto fail;
+    while (!read_tfra(files, start_index, f)) {
+        /* Empty */
+    }
+
+    if (split)
+        write_fragments(files, start_index, f);
+
+fail:
+    if (f)
+        avio_close(f);
+    return err;
+}
+
+static int get_private_data(struct VideoFile *vf, AVCodecContext *codec)
+{
+    vf->codec_private_size = codec->extradata_size;
+    vf->codec_private      = av_mallocz(codec->extradata_size);
+    if (!vf->codec_private)
+        return AVERROR(ENOMEM);
+    memcpy(vf->codec_private, codec->extradata, codec->extradata_size);
+    return 0;
+}
+
+static int get_video_private_data(struct VideoFile *vf, AVCodecContext *codec)
+{
+    AVIOContext *io = NULL;
+    uint16_t sps_size, pps_size;
+    int err = AVERROR(EINVAL);
+
+    if (codec->codec_id == CODEC_ID_VC1)
+        return get_private_data(vf, codec);
+
+    avio_open_dyn_buf(&io);
+    if (codec->extradata_size < 11 || codec->extradata[0] != 1)
+        goto fail;
+    sps_size = AV_RB16(&codec->extradata[6]);
+    if (11 + sps_size > codec->extradata_size)
+        goto fail;
+    avio_wb32(io, 0x00000001);
+    avio_write(io, &codec->extradata[8], sps_size);
+    pps_size = AV_RB16(&codec->extradata[9 + sps_size]);
+    if (11 + sps_size + pps_size > codec->extradata_size)
+        goto fail;
+    avio_wb32(io, 0x00000001);
+    avio_write(io, &codec->extradata[11 + sps_size], pps_size);
+    err = 0;
+
+fail:
+    vf->codec_private_size = avio_close_dyn_buf(io, &vf->codec_private);
+    return err;
+}
+
+static int handle_file(struct VideoFiles *files, const char *file, int split)
+{
+    AVFormatContext *ctx = NULL;
+    int err = 0, i, orig_files = files->nb_files;
+    char errbuf[50], *ptr;
+    struct VideoFile *vf;
+
+    err = avformat_open_input(&ctx, file, NULL, NULL);
+    if (err < 0) {
+        av_strerror(err, errbuf, sizeof(errbuf));
+        fprintf(stderr, "Unable to open %s: %s\n", file, errbuf);
+        return 1;
+    }
+
+    err = avformat_find_stream_info(ctx, NULL);
+    if (err < 0) {
+        av_strerror(err, errbuf, sizeof(errbuf));
+        fprintf(stderr, "Unable to identify %s: %s\n", file, errbuf);
+        goto fail;
+    }
+
+    if (ctx->nb_streams < 1) {
+        fprintf(stderr, "No streams found in %s\n", file);
+        goto fail;
+    }
+    if (!files->duration)
+        files->duration = ctx->duration;
+
+    for (i = 0; i < ctx->nb_streams; i++) {
+        AVStream *st = ctx->streams[i];
+        vf = av_mallocz(sizeof(*vf));
+        files->files = av_realloc(files->files,
+                                  sizeof(*files->files) * (files->nb_files + 1));
+        files->files[files->nb_files] = vf;
+
+        vf->name = file;
+        if ((ptr = strrchr(file, '/')) != NULL)
+            vf->name = ptr + 1;
+
+        vf->bitrate   = st->codec->bit_rate;
+        vf->track_id  = st->id;
+        vf->timescale = st->time_base.den;
+        vf->duration  = av_rescale_rnd(ctx->duration, vf->timescale,
+                                       AV_TIME_BASE, AV_ROUND_UP);
+        vf->is_audio  = st->codec->codec_type == AVMEDIA_TYPE_AUDIO;
+        vf->is_video  = st->codec->codec_type == AVMEDIA_TYPE_VIDEO;
+
+        if (!vf->is_audio && !vf->is_video) {
+            fprintf(stderr,
+                    "Track %d in %s is neither video nor audio, skipping\n",
+                    vf->track_id, file);
+            av_freep(&files->files[files->nb_files]);
+            continue;
+        }
+
+        if (vf->is_audio) {
+            if (files->audio_file < 0)
+                files->audio_file = files->nb_files;
+            files->nb_audio_files++;
+            vf->channels    = st->codec->channels;
+            vf->sample_rate = st->codec->sample_rate;
+            if (st->codec->codec_id == CODEC_ID_AAC) {
+                vf->fourcc    = "AACL";
+                vf->tag       = 255;
+                vf->blocksize = 4;
+            } else if (st->codec->codec_id == CODEC_ID_WMAPRO) {
+                vf->fourcc    = "WMAP";
+                vf->tag       = st->codec->codec_tag;
+                vf->blocksize = st->codec->block_align;
+            }
+            get_private_data(vf, st->codec);
+        }
+        if (vf->is_video) {
+            if (files->video_file < 0)
+                files->video_file = files->nb_files;
+            files->nb_video_files++;
+            vf->width  = st->codec->width;
+            vf->height = st->codec->height;
+            if (st->codec->codec_id == CODEC_ID_H264)
+                vf->fourcc = "H264";
+            else if (st->codec->codec_id == CODEC_ID_VC1)
+                vf->fourcc = "WVC1";
+            get_video_private_data(vf, st->codec);
+        }
+
+        files->nb_files++;
+    }
+
+    avformat_close_input(&ctx);
+
+    read_mfra(files, orig_files, file, split);
+
+fail:
+    if (ctx)
+        avformat_close_input(&ctx);
+    return err;
+}
+
+static void output_server_manifest(struct VideoFiles *files,
+                                   const char *basename)
+{
+    char filename[1000];
+    FILE *out;
+    int i;
+
+    snprintf(filename, sizeof(filename), "%s.ism", basename);
+    out = fopen(filename, "w");
+    if (!out) {
+        perror(filename);
+        return;
+    }
+    fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+    fprintf(out, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
+    fprintf(out, "\t<head>\n");
+    fprintf(out, "\t\t<meta name=\"clientManifestRelativePath\" "
+                 "content=\"%s.ismc\" />\n", basename);
+    fprintf(out, "\t</head>\n");
+    fprintf(out, "\t<body>\n");
+    fprintf(out, "\t\t<switch>\n");
+    for (i = 0; i < files->nb_files; i++) {
+        struct VideoFile *vf = files->files[i];
+        const char *type     = vf->is_video ? "video" : "audio";
+        fprintf(out, "\t\t\t<%s src=\"%s\" systemBitrate=\"%d\">\n",
+                type, vf->name, vf->bitrate);
+        fprintf(out, "\t\t\t\t<param name=\"trackID\" value=\"%d\" "
+                     "valueType=\"data\" />\n", vf->track_id);
+        fprintf(out, "\t\t\t</%s>\n", type);
+    }
+    fprintf(out, "\t\t</switch>\n");
+    fprintf(out, "\t</body>\n");
+    fprintf(out, "</smil>\n");
+    fclose(out);
+}
+
+static void output_client_manifest(struct VideoFiles *files,
+                                   const char *basename, int split)
+{
+    char filename[1000];
+    FILE *out;
+    int i, j;
+
+    if (split)
+        snprintf(filename, sizeof(filename), "Manifest");
+    else
+        snprintf(filename, sizeof(filename), "%s.ismc", basename);
+    out = fopen(filename, "w");
+    if (!out) {
+        perror(filename);
+        return;
+    }
+    fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+    fprintf(out, "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" "
+                 "Duration=\"%"PRId64 "\">\n", files->duration * 10);
+    if (files->video_file >= 0) {
+        struct VideoFile *vf = files->files[files->video_file];
+        int index = 0;
+        fprintf(out,
+                "\t<StreamIndex Type=\"video\" QualityLevels=\"%d\" "
+                "Chunks=\"%d\" "
+                "Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">\n",
+                files->nb_video_files, vf->chunks);
+        for (i = 0; i < files->nb_files; i++) {
+            vf = files->files[i];
+            if (!vf->is_video)
+                continue;
+            fprintf(out,
+                    "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
+                    "FourCC=\"%s\" MaxWidth=\"%d\" MaxHeight=\"%d\" "
+                    "CodecPrivateData=\"",
+                    index, vf->bitrate, vf->fourcc, vf->width, vf->height);
+            for (j = 0; j < vf->codec_private_size; j++)
+                fprintf(out, "%02X", vf->codec_private[j]);
+            fprintf(out, "\" />\n");
+            index++;
+        }
+        vf = files->files[files->video_file];
+        for (i = 0; i < vf->chunks; i++)
+            fprintf(out, "\t\t<c n=\"%d\" d=\"%d\" />\n", i,
+                    vf->offsets[i].duration);
+        fprintf(out, "\t</StreamIndex>\n");
+    }
+    if (files->audio_file >= 0) {
+        struct VideoFile *vf = files->files[files->audio_file];
+        int index = 0;
+        fprintf(out,
+                "\t<StreamIndex Type=\"audio\" QualityLevels=\"%d\" "
+                "Chunks=\"%d\" "
+                "Url=\"QualityLevels({bitrate})/Fragments(audio={start time})\">\n",
+                files->nb_audio_files, vf->chunks);
+        for (i = 0; i < files->nb_files; i++) {
+            vf = files->files[i];
+            if (!vf->is_audio)
+                continue;
+            fprintf(out,
+                    "\t\t<QualityLevel Index=\"%d\" Bitrate=\"%d\" "
+                    "FourCC=\"%s\" SamplingRate=\"%d\" Channels=\"%d\" "
+                    "BitsPerSample=\"16\" PacketSize=\"%d\" "
+                    "AudioTag=\"%d\" CodecPrivateData=\"",
+                    index, vf->bitrate, vf->fourcc, vf->sample_rate,
+                    vf->channels, vf->blocksize, vf->tag);
+            for (j = 0; j < vf->codec_private_size; j++)
+                fprintf(out, "%02X", vf->codec_private[j]);
+            fprintf(out, "\" />\n");
+            index++;
+        }
+        vf = files->files[files->audio_file];
+        for (i = 0; i < vf->chunks; i++)
+            fprintf(out, "\t\t<c n=\"%d\" d=\"%d\" />\n",
+                    i, vf->offsets[i].duration);
+        fprintf(out, "\t</StreamIndex>\n");
+    }
+    fprintf(out, "</SmoothStreamingMedia>\n");
+    fclose(out);
+}
+
+static void clean_files(struct VideoFiles *files)
+{
+    int i;
+    for (i = 0; i < files->nb_files; i++) {
+        av_freep(&files->files[i]->codec_private);
+        av_freep(&files->files[i]->offsets);
+        av_freep(&files->files[i]);
+    }
+    av_freep(&files->files);
+    files->nb_files = 0;
+}
+
+int main(int argc, char **argv)
+{
+    const char *basename = NULL;
+    int split = 0, i;
+    struct VideoFiles vf = { 0, .video_file = -1, .audio_file = -1 };
+
+    av_register_all();
+
+    for (i = 1; i < argc; i++) {
+        if (!strcmp(argv[i], "-n")) {
+            basename = argv[i + 1];
+            i++;
+        } else if (!strcmp(argv[i], "-split")) {
+            split = 1;
+        } else if (argv[i][0] == '-') {
+            return usage(argv[0], 1);
+        } else {
+            handle_file(&vf, argv[i], split);
+        }
+    }
+    if (!vf.nb_files || (!basename && !split))
+        return usage(argv[0], 1);
+
+    if (!split)
+        output_server_manifest(&vf, basename);
+    output_client_manifest(&vf, basename, split);
+
+    clean_files(&vf);
+
+    return 0;
+}

tools/lavfi-showfiltfmts.c

@@ -97,11 +97,13 @@ int main(int argc, char **argv)
     }
 
     if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
-        fprintf(stderr, "Inpossible to open filter with name '%s'\n", filter_name);
+        fprintf(stderr, "Inpossible to open filter with name '%s'\n",
+                filter_name);
         return 1;
     }
     if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
-        fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n", filter_name, filter_args);
+        fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
+                filter_name, filter_args);
         return 1;
     }
 

tools/pktdumper.c

@@ -24,11 +24,10 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include "libavformat/avformat.h"
 
-#define PKTFILESUFF "_%08"PRId64"_%02d_%010"PRId64"_%06d_%c.bin"
+#include "libavformat/avformat.h"
 
-#undef strcat
+#define PKTFILESUFF "_%08" PRId64 "_%02d_%010" PRId64 "_%06d_%c.bin"
 
 static int usage(int ret)
 {
@@ -46,10 +45,10 @@ int main(int argc, char **argv)
     char pktfilename[PATH_MAX];
     AVFormatContext *fctx = NULL;
     AVPacket pkt;
-    int64_t pktnum = 0;
+    int64_t pktnum  = 0;
     int64_t maxpkts = 0;
-    int donotquit = 0;
-    int nowrite = 0;
+    int donotquit   = 0;
+    int nowrite     = 0;
     int err;
 
     if ((argc > 1) && !strncmp(argv[1], "-", 1)) {
@@ -64,16 +63,16 @@ int main(int argc, char **argv)
         return usage(1);
     if (argc > 2)
         maxpkts = atoi(argv[2]);
-    strncpy(fntemplate, argv[1], PATH_MAX-1);
+    strncpy(fntemplate, argv[1], PATH_MAX - 1);
     if (strrchr(argv[1], '/'))
-        strncpy(fntemplate, strrchr(argv[1], '/')+1, PATH_MAX-1);
+        strncpy(fntemplate, strrchr(argv[1], '/') + 1, PATH_MAX - 1);
     if (strrchr(fntemplate, '.'))
         *strrchr(fntemplate, '.') = '\0';
     if (strchr(fntemplate, '%')) {
         fprintf(stderr, "can't use filenames containing '%%'\n");
         return usage(1);
     }
-    if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX-1) {
+    if (strlen(fntemplate) + sizeof(PKTFILESUFF) >= PATH_MAX - 1) {
         fprintf(stderr, "filename too long\n");
         return usage(1);
     }
@@ -99,11 +98,14 @@ int main(int argc, char **argv)
 
     while ((err = av_read_frame(fctx, &pkt)) >= 0) {
         int fd;
-        snprintf(pktfilename, PATH_MAX-1, fntemplate, pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & AV_PKT_FLAG_KEY)?'K':'_');
-        printf(PKTFILESUFF"\n", pktnum, pkt.stream_index, pkt.pts, pkt.size, (pkt.flags & AV_PKT_FLAG_KEY)?'K':'_');
+        snprintf(pktfilename, PATH_MAX - 1, fntemplate, pktnum,
+                 pkt.stream_index, pkt.pts, pkt.size,
+                 (pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
+        printf(PKTFILESUFF "\n", pktnum, pkt.stream_index, pkt.pts, pkt.size,
+               (pkt.flags & AV_PKT_FLAG_KEY) ? 'K' : '_');
         //printf("open(\"%s\")\n", pktfilename);
         if (!nowrite) {
-            fd = open(pktfilename, O_WRONLY|O_CREAT, 0644);
+            fd  = open(pktfilename, O_WRONLY | O_CREAT, 0644);
             err = write(fd, pkt.data, pkt.size);
             if (err < 0) {
                 fprintf(stderr, "write: error %d\n", err);
@@ -120,7 +122,7 @@ int main(int argc, char **argv)
     avformat_close_input(&fctx);
 
     while (donotquit)
-        sleep(60);
+        usleep(60 * 1000000);
 
     return 0;
 }

tools/probetest.c

@@ -39,7 +39,8 @@ static void probe(AVProbeData *pd, int type, int p, int size)
             int score = fmt->read_probe(pd);
             if (score > score_array[i] && score > AVPROBE_SCORE_MAX / 4) {
                 score_array[i] = score;
-                fprintf(stderr, "Failure of %s probing code with score=%d type=%d p=%X size=%d\n",
+                fprintf(stderr,
+                        "Failure of %s probing code with score=%d type=%d p=%X size=%d\n",
                         fmt->name, score, type, p, size);
                 failures++;
             }
@@ -75,9 +76,8 @@ int main(void)
                     init_put_bits(&pb, pd.buf, size);
                     switch (type) {
                     case 0:
-                        for (i = 0; i < size * 8; i++) {
+                        for (i = 0; i < size * 8; i++)
                             put_bits(&pb, 1, (av_lfg_get(&state) & 0xFFFFFFFF) > p << 20);
-                        }
                         break;
                     case 1:
                         for (i = 0; i < size * 8; i++) {
@@ -89,10 +89,10 @@ int main(void)
                         break;
                     case 2:
                         for (i = 0; i < size * 8; i++) {
-                            unsigned int p2 = (p >> (hist*3)) & 7;
+                            unsigned int p2 = (p >> (hist * 3)) & 7;
                             unsigned int v  = (av_lfg_get(&state) & 0xFFFFFFFF) > p2 << 29;
                             put_bits(&pb, 1, v);
-                            hist = (2*hist + v) & 3;
+                            hist = (2 * hist + v) & 3;
                         }
                         break;
                     case 3:
@@ -100,12 +100,18 @@ int main(void)
                             int c = 0;
                             while (p & 63) {
                                 c = (av_lfg_get(&state) & 0xFFFFFFFF) >> 24;
-                                if     (c >= 'a' && c <= 'z' && (p & 1)) break;
-                                else if(c >= 'A' && c <= 'Z' && (p & 2)) break;
-                                else if(c >= '0' && c <= '9' && (p & 4)) break;
-                                else if(c == ' ' && (p &  8)) break;
-                                else if(c ==  0  && (p & 16)) break;
-                                else if(c ==  1  && (p & 32)) break;
+                                if (c >= 'a' && c <= 'z' && (p & 1))
+                                    break;
+                                else if (c >= 'A' && c <= 'Z' && (p & 2))
+                                    break;
+                                else if (c >= '0' && c <= '9' && (p & 4))
+                                    break;
+                                else if (c == ' ' && (p & 8))
+                                    break;
+                                else if (c == 0 && (p & 16))
+                                    break;
+                                else if (c == 1 && (p & 32))
+                                    break;
                             }
                             pd.buf[i] = c;
                         }

tools/qt-faststart.c

@@ -138,7 +138,6 @@ int main(int argc, char *argv[])
             }
             start_offset = ftello(infile);
         } else {
-
             /* 64-bit special case */
             if (atom_size == 1) {
                 if (fread(atom_bytes, ATOM_PREAMBLE_SIZE, 1, infile) != 1) {

tools/trasher.c

@@ -23,47 +23,50 @@
 #include <inttypes.h>
 
 static uint32_t state;
-static uint32_t ran(void){
-    return state= state*1664525+1013904223;
+static uint32_t ran(void)
+{
+    return state = state * 1664525 + 1013904223;
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     FILE *f;
     int count, maxburst, length;
 
-    if (argc < 5){
+    if (argc < 5) {
         printf("USAGE: trasher <filename> <count> <maxburst> <seed>\n");
         return 1;
     }
 
-    f= fopen(argv[1], "rb+");
-    if (!f){
+    f = fopen(argv[1], "rb+");
+    if (!f) {
         perror(argv[1]);
         return 2;
     }
-    count= atoi(argv[2]);
-    maxburst= atoi(argv[3]);
-    state= atoi(argv[4]);
+    count    = atoi(argv[2]);
+    maxburst = atoi(argv[3]);
+    state    = atoi(argv[4]);
 
     fseek(f, 0, SEEK_END);
-    length= ftell(f);
+    length = ftell(f);
     fseek(f, 0, SEEK_SET);
 
-    while(count--){
-        int burst= 1 + ran() * (uint64_t) (abs(maxburst)-1) / UINT32_MAX;
-        int pos= ran() * (uint64_t) length / UINT32_MAX;
+    while (count--) {
+        int burst = 1 + ran() * (uint64_t) (abs(maxburst) - 1) / UINT32_MAX;
+        int pos   = ran() * (uint64_t) length / UINT32_MAX;
         fseek(f, pos, SEEK_SET);
 
-        if(maxburst<0) burst= -maxburst;
+        if (maxburst < 0)
+            burst = -maxburst;
 
-        if(pos + burst > length)
+        if (pos + burst > length)
             continue;
 
-        while(burst--){
-            int val= ran() * 256ULL / UINT32_MAX;
+        while (burst--) {
+            int val = ran() * 256ULL / UINT32_MAX;
 
-            if(maxburst<0) val=0;
+            if (maxburst < 0)
+                val = 0;
 
             fwrite(&val, 1, 1, f);
         }