Cosmetics: use consistent indentation by four spaces

Originally committed as revision 9404 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/dvenc.c

@@ -77,100 +77,100 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
     buf[0] = (uint8_t)pack_id;
     switch (pack_id) {
     case dv_timecode:
-          ct = (time_t)(c->frames / ((float)c->sys->frame_rate /
-                                     (float)c->sys->frame_rate_base));
-          brktimegm(ct, &tc);
-          /*
-           * LTC drop-frame frame counter drops two frames (0 and 1) every
-           * minute, unless it is exactly divisible by 10
-           */
-          ltc_frame = (c->frames + 2*ct/60 - 2*ct/600) % c->sys->ltc_divisor;
-          buf[1] = (0 << 7) | /* Color fame: 0 - unsync; 1 - sync mode */
-                   (1 << 6) | /* Drop frame timecode: 0 - nondrop; 1 - drop */
-                   ((ltc_frame / 10) << 4) | /* Tens of frames */
-                   (ltc_frame % 10);         /* Units of frames */
-          buf[2] = (1 << 7) | /* Biphase mark polarity correction: 0 - even; 1 - odd */
-                   ((tc.tm_sec / 10) << 4) | /* Tens of seconds */
-                   (tc.tm_sec % 10);         /* Units of seconds */
-          buf[3] = (1 << 7) | /* Binary group flag BGF0 */
-                   ((tc.tm_min / 10) << 4) | /* Tens of minutes */
-                   (tc.tm_min % 10);         /* Units of minutes */
-          buf[4] = (1 << 7) | /* Binary group flag BGF2 */
-                   (1 << 6) | /* Binary group flag BGF1 */
-                   ((tc.tm_hour / 10) << 4) | /* Tens of hours */
-                   (tc.tm_hour % 10);         /* Units of hours */
-          break;
+        ct = (time_t)(c->frames / ((float)c->sys->frame_rate /
+                                   (float)c->sys->frame_rate_base));
+        brktimegm(ct, &tc);
+        /*
+         * LTC drop-frame frame counter drops two frames (0 and 1) every
+         * minute, unless it is exactly divisible by 10
+         */
+        ltc_frame = (c->frames + 2*ct/60 - 2*ct/600) % c->sys->ltc_divisor;
+        buf[1] = (0 << 7) | /* Color fame: 0 - unsync; 1 - sync mode */
+                 (1 << 6) | /* Drop frame timecode: 0 - nondrop; 1 - drop */
+                 ((ltc_frame / 10) << 4) | /* Tens of frames */
+                 (ltc_frame % 10);         /* Units of frames */
+        buf[2] = (1 << 7) | /* Biphase mark polarity correction: 0 - even; 1 - odd */
+                 ((tc.tm_sec / 10) << 4) | /* Tens of seconds */
+                 (tc.tm_sec % 10);         /* Units of seconds */
+        buf[3] = (1 << 7) | /* Binary group flag BGF0 */
+                 ((tc.tm_min / 10) << 4) | /* Tens of minutes */
+                 (tc.tm_min % 10);         /* Units of minutes */
+        buf[4] = (1 << 7) | /* Binary group flag BGF2 */
+                 (1 << 6) | /* Binary group flag BGF1 */
+                 ((tc.tm_hour / 10) << 4) | /* Tens of hours */
+                 (tc.tm_hour % 10);         /* Units of hours */
+        break;
     case dv_audio_source:  /* AAUX source pack */
-          va_start(ap, buf);
-          buf[1] = (1 << 7) | /* locked mode -- SMPTE only supports locked mode */
-                   (1 << 6) | /* reserved -- always 1 */
-                   (dv_audio_frame_size(c->sys, c->frames) -
-                    c->sys->audio_min_samples[0]);
-                              /* # of samples      */
-          buf[2] = (0 << 7) | /* multi-stereo      */
-                   (0 << 5) | /* #of audio channels per block: 0 -- 1 channel */
-                   (0 << 4) | /* pair bit: 0 -- one pair of channels */
-                   !!va_arg(ap, int); /* audio mode        */
-          buf[3] = (1 << 7) | /* res               */
-                   (1 << 6) | /* multi-language flag */
-                   (c->sys->dsf << 5) | /*  system: 60fields/50fields */
-                   (c->sys->n_difchan & 2); /* definition: 0 -- 25Mbps, 2 -- 50Mbps */
-          buf[4] = (1 << 7) | /* emphasis: 1 -- off */
-                   (0 << 6) | /* emphasis time constant: 0 -- reserved */
-                   (0 << 3) | /* frequency: 0 -- 48Khz, 1 -- 44,1Khz, 2 -- 32Khz */
-                    0;        /* quantization: 0 -- 16bit linear, 1 -- 12bit nonlinear */
-          va_end(ap);
-          break;
+        va_start(ap, buf);
+        buf[1] = (1 << 7) | /* locked mode -- SMPTE only supports locked mode */
+                 (1 << 6) | /* reserved -- always 1 */
+                 (dv_audio_frame_size(c->sys, c->frames) -
+                  c->sys->audio_min_samples[0]);
+                            /* # of samples      */
+        buf[2] = (0 << 7) | /* multi-stereo      */
+                 (0 << 5) | /* #of audio channels per block: 0 -- 1 channel */
+                 (0 << 4) | /* pair bit: 0 -- one pair of channels */
+                 !!va_arg(ap, int); /* audio mode        */
+        buf[3] = (1 << 7) | /* res               */
+                 (1 << 6) | /* multi-language flag */
+                 (c->sys->dsf << 5) | /*  system: 60fields/50fields */
+                 (c->sys->n_difchan & 2); /* definition: 0 -- 25Mbps, 2 -- 50Mbps */
+        buf[4] = (1 << 7) | /* emphasis: 1 -- off */
+                 (0 << 6) | /* emphasis time constant: 0 -- reserved */
+                 (0 << 3) | /* frequency: 0 -- 48Khz, 1 -- 44,1Khz, 2 -- 32Khz */
+                  0;        /* quantization: 0 -- 16bit linear, 1 -- 12bit nonlinear */
+        va_end(ap);
+        break;
     case dv_audio_control:
-          buf[1] = (0 << 6) | /* copy protection: 0 -- unrestricted */
-                   (1 << 4) | /* input source: 1 -- digital input */
-                   (3 << 2) | /* compression: 3 -- no information */
-                    0;        /* misc. info/SMPTE emphasis off */
-          buf[2] = (1 << 7) | /* recording start point: 1 -- no */
-                   (1 << 6) | /* recording end point: 1 -- no */
-                   (1 << 3) | /* recording mode: 1 -- original */
-                    7;
-          buf[3] = (1 << 7) | /* direction: 1 -- forward */
-                   (c->sys->pix_fmt == PIX_FMT_YUV420P ? 0x20 : /* speed */
-                                                         c->sys->ltc_divisor*4);
-          buf[4] = (1 << 7) | /* reserved -- always 1 */
-                    0x7f;     /* genre category */
-          break;
+        buf[1] = (0 << 6) | /* copy protection: 0 -- unrestricted */
+                 (1 << 4) | /* input source: 1 -- digital input */
+                 (3 << 2) | /* compression: 3 -- no information */
+                  0;        /* misc. info/SMPTE emphasis off */
+        buf[2] = (1 << 7) | /* recording start point: 1 -- no */
+                 (1 << 6) | /* recording end point: 1 -- no */
+                 (1 << 3) | /* recording mode: 1 -- original */
+                  7;
+        buf[3] = (1 << 7) | /* direction: 1 -- forward */
+                 (c->sys->pix_fmt == PIX_FMT_YUV420P ? 0x20 : /* speed */
+                                                       c->sys->ltc_divisor*4);
+        buf[4] = (1 << 7) | /* reserved -- always 1 */
+                  0x7f;     /* genre category */
+        break;
     case dv_audio_recdate:
     case dv_video_recdate:  /* VAUX recording date */
-          ct = c->start_time + (time_t)(c->frames /
-               ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base));
-          brktimegm(ct, &tc);
-          buf[1] = 0xff; /* ds, tm, tens of time zone, units of time zone */
-                         /* 0xff is very likely to be "unknown" */
-          buf[2] = (3 << 6) | /* reserved -- always 1 */
-                   ((tc.tm_mday / 10) << 4) | /* Tens of day */
-                   (tc.tm_mday % 10);         /* Units of day */
-          buf[3] = /* we set high 4 bits to 0, shouldn't we set them to week? */
-                   ((tc.tm_mon / 10) << 4) |    /* Tens of month */
-                   (tc.tm_mon  % 10);           /* Units of month */
-          buf[4] = (((tc.tm_year % 100) / 10) << 4) | /* Tens of year */
-                   (tc.tm_year % 10);                 /* Units of year */
-          break;
+        ct = c->start_time + (time_t)(c->frames /
+             ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base));
+        brktimegm(ct, &tc);
+        buf[1] = 0xff; /* ds, tm, tens of time zone, units of time zone */
+                       /* 0xff is very likely to be "unknown" */
+        buf[2] = (3 << 6) | /* reserved -- always 1 */
+                 ((tc.tm_mday / 10) << 4) | /* Tens of day */
+                 (tc.tm_mday % 10);         /* Units of day */
+        buf[3] = /* we set high 4 bits to 0, shouldn't we set them to week? */
+                 ((tc.tm_mon / 10) << 4) |    /* Tens of month */
+                 (tc.tm_mon  % 10);           /* Units of month */
+        buf[4] = (((tc.tm_year % 100) / 10) << 4) | /* Tens of year */
+                 (tc.tm_year % 10);                 /* Units of year */
+        break;
     case dv_audio_rectime:  /* AAUX recording time */
     case dv_video_rectime:  /* VAUX recording time */
-          ct = c->start_time + (time_t)(c->frames /
-               ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base));
-          brktimegm(ct, &tc);
-          buf[1] = (3 << 6) | /* reserved -- always 1 */
-                   0x3f; /* tens of frame, units of frame: 0x3f - "unknown" ? */
-          buf[2] = (1 << 7) | /* reserved -- always 1 */
-                   ((tc.tm_sec / 10) << 4) | /* Tens of seconds */
-                   (tc.tm_sec % 10);         /* Units of seconds */
-          buf[3] = (1 << 7) | /* reserved -- always 1 */
-                   ((tc.tm_min / 10) << 4) | /* Tens of minutes */
-                   (tc.tm_min % 10);         /* Units of minutes */
-          buf[4] = (3 << 6) | /* reserved -- always 1 */
-                   ((tc.tm_hour / 10) << 4) | /* Tens of hours */
-                   (tc.tm_hour % 10);         /* Units of hours */
-          break;
+        ct = c->start_time + (time_t)(c->frames /
+             ((float)c->sys->frame_rate / (float)c->sys->frame_rate_base));
+        brktimegm(ct, &tc);
+        buf[1] = (3 << 6) | /* reserved -- always 1 */
+                 0x3f; /* tens of frame, units of frame: 0x3f - "unknown" ? */
+        buf[2] = (1 << 7) | /* reserved -- always 1 */
+                 ((tc.tm_sec / 10) << 4) | /* Tens of seconds */
+                 (tc.tm_sec % 10);         /* Units of seconds */
+        buf[3] = (1 << 7) | /* reserved -- always 1 */
+                 ((tc.tm_min / 10) << 4) | /* Tens of minutes */
+                 (tc.tm_min % 10);         /* Units of minutes */
+        buf[4] = (3 << 6) | /* reserved -- always 1 */
+                 ((tc.tm_hour / 10) << 4) | /* Tens of hours */
+                 (tc.tm_hour % 10);         /* Units of hours */
+        break;
     default:
-          buf[1] = buf[2] = buf[3] = buf[4] = 0xff;
+        buf[1] = buf[2] = buf[3] = buf[4] = 0xff;
     }
     return 5;
 }
@@ -181,19 +181,19 @@ static void dv_inject_audio(DVMuxContext *c, int channel, uint8_t* frame_ptr)
     size = 4 * dv_audio_frame_size(c->sys, c->frames);
     frame_ptr += channel * c->sys->difseg_size * 150 * 80;
     for (i = 0; i < c->sys->difseg_size; i++) {
-       frame_ptr += 6 * 80; /* skip DIF segment header */
-       for (j = 0; j < 9; j++) {
-          dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], i >= c->sys->difseg_size/2);
-          for (d = 8; d < 80; d+=2) {
-             of = c->sys->audio_shuffle[i][j] + (d - 8)/2 * c->sys->audio_stride;
-             if (of*2 >= size)
-                 continue;
-
-             frame_ptr[d] = av_fifo_peek(&c->audio_data[channel], of*2+1); // FIXME: may be we have to admit
-             frame_ptr[d+1] = av_fifo_peek(&c->audio_data[channel], of*2); //        that DV is a big endian PCM
-          }
-          frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */
-       }
+        frame_ptr += 6 * 80; /* skip DIF segment header */
+        for (j = 0; j < 9; j++) {
+            dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], i >= c->sys->difseg_size/2);
+            for (d = 8; d < 80; d+=2) {
+                of = c->sys->audio_shuffle[i][j] + (d - 8)/2 * c->sys->audio_stride;
+                if (of*2 >= size)
+                    continue;
+
+                frame_ptr[d] = av_fifo_peek(&c->audio_data[channel], of*2+1); // FIXME: may be we have to admit
+                frame_ptr[d+1] = av_fifo_peek(&c->audio_data[channel], of*2); //        that DV is a big endian PCM
+            }
+            frame_ptr += 16 * 80; /* 15 Video DIFs + 1 Audio DIF */
+        }
     }
 }
 
@@ -240,27 +240,27 @@ int dv_assemble_frame(DVMuxContext *c, AVStream* st,
 
     switch (st->codec->codec_type) {
     case CODEC_TYPE_VIDEO:
-          /* FIXME: we have to have more sensible approach than this one */
-          if (c->has_video)
-              av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames);
+        /* FIXME: we have to have more sensible approach than this one */
+        if (c->has_video)
+            av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames);
 
-          memcpy(*frame, data, c->sys->frame_size);
-          c->has_video = 1;
-          break;
+        memcpy(*frame, data, c->sys->frame_size);
+        c->has_video = 1;
+        break;
     case CODEC_TYPE_AUDIO:
-          for (i = 0; i < c->n_ast && st != c->ast[i]; i++);
+        for (i = 0; i < c->n_ast && st != c->ast[i]; i++);
 
           /* FIXME: we have to have more sensible approach than this one */
-          if (av_fifo_size(&c->audio_data[i]) + data_size >= 100*AVCODEC_MAX_AUDIO_FRAME_SIZE)
-              av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames);
-          av_fifo_write(&c->audio_data[i], data, data_size);
+        if (av_fifo_size(&c->audio_data[i]) + data_size >= 100*AVCODEC_MAX_AUDIO_FRAME_SIZE)
+            av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient video data or severe sync problem.\n", c->frames);
+        av_fifo_write(&c->audio_data[i], data, data_size);
 
-          /* Lets see if we've got enough audio for one DV frame */
-          c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i);
+        /* Lets see if we've got enough audio for one DV frame */
+        c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i);
 
-          break;
+        break;
     default:
-          break;
+        break;
     }
 
     /* Lets see if we have enough data to construct one DV frame */
@@ -268,9 +268,9 @@ int dv_assemble_frame(DVMuxContext *c, AVStream* st,
         dv_inject_metadata(c, *frame);
         c->has_audio = 0;
         for (i=0; i<c->n_ast; i++) {
-             dv_inject_audio(c, i, *frame);
-             av_fifo_drain(&c->audio_data[i], reqasize);
-             c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i);
+            dv_inject_audio(c, i, *frame);
+            av_fifo_drain(&c->audio_data[i], reqasize);
+            c->has_audio |= ((reqasize <= av_fifo_size(&c->audio_data[i])) << i);
         }
 
         c->has_video = 0;
@@ -298,18 +298,18 @@ DVMuxContext* dv_init_mux(AVFormatContext* s)
 
     /* We have to sort out where audio and where video stream is */
     for (i=0; i<s->nb_streams; i++) {
-         switch (s->streams[i]->codec->codec_type) {
-         case CODEC_TYPE_VIDEO:
-               if (vst) return NULL;
-               vst = s->streams[i];
-               break;
-         case CODEC_TYPE_AUDIO:
-             if (c->n_ast > 1) return NULL;
-             c->ast[c->n_ast++] = s->streams[i];
-             break;
-         default:
-               goto bail_out;
-         }
+        switch (s->streams[i]->codec->codec_type) {
+        case CODEC_TYPE_VIDEO:
+            if (vst) return NULL;
+            vst = s->streams[i];
+            break;
+        case CODEC_TYPE_AUDIO:
+            if (c->n_ast > 1) return NULL;
+            c->ast[c->n_ast++] = s->streams[i];
+            break;
+        default:
+            goto bail_out;
+        }
     }
 
     /* Some checks -- DV format is very picky about its incoming streams */