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Directory:	../../../ffmpeg/
File:	src/libavcodec/dv_profile.c
Date:	2025-08-04 00:43:16

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Lines:	24	42	57.1%
Functions:	3	5	60.0%
Branches:	29	60	48.3%

  
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      /*
    
       * This file is part of FFmpeg.
    
       *
    
       * FFmpeg 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.
    
       *
    
       * FFmpeg 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 FFmpeg; if not, write to the Free Software
    
       * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
    
       */
    
      #include "config.h"
    
      #include <stddef.h>
    
      #include <stdint.h>
    
      #include "libavutil/intreadwrite.h"
    
      #include "libavutil/log.h"
    
      #include "libavutil/macros.h"
    
      #include "libavutil/pixdesc.h"
    
      #include "avcodec.h"
    
      #include "dv_profile.h"
    
      #include "dv_profile_internal.h"
    
      #if CONFIG_DVPROFILE
    
      static const uint8_t dv_audio_shuffle525[10][9] = {
    
          {  0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
    
          {  6, 36, 66, 26, 56, 86, 16, 46, 76 },
    
          { 12, 42, 72,  2, 32, 62, 22, 52, 82 },
    
          { 18, 48, 78,  8, 38, 68, 28, 58, 88 },
    
          { 24, 54, 84, 14, 44, 74,  4, 34, 64 },
    
          {  1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
    
          {  7, 37, 67, 27, 57, 87, 17, 47, 77 },
    
          { 13, 43, 73,  3, 33, 63, 23, 53, 83 },
    
          { 19, 49, 79,  9, 39, 69, 29, 59, 89 },
    
          { 25, 55, 85, 15, 45, 75,  5, 35, 65 },
    
      };
    
      static const uint8_t dv_audio_shuffle625[12][9] = {
    
          {  0, 36,  72, 26, 62,  98, 16, 52,  88 }, /* 1st channel */
    
          {  6, 42,  78, 32, 68, 104, 22, 58,  94 },
    
          { 12, 48,  84,  2, 38,  74, 28, 64, 100 },
    
          { 18, 54,  90,  8, 44,  80, 34, 70, 106 },
    
          { 24, 60,  96, 14, 50,  86,  4, 40,  76 },
    
          { 30, 66, 102, 20, 56,  92, 10, 46,  82 },
    
          {  1, 37,  73, 27, 63,  99, 17, 53,  89 }, /* 2nd channel */
    
          {  7, 43,  79, 33, 69, 105, 23, 59,  95 },
    
          { 13, 49,  85,  3, 39,  75, 29, 65, 101 },
    
          { 19, 55,  91,  9, 45,  81, 35, 71, 107 },
    
          { 25, 61,  97, 15, 51,  87,  5, 41,  77 },
    
          { 31, 67, 103, 21, 57,  93, 11, 47,  83 },
    
      };
    
      /* macroblock bit budgets */
    
      static const uint8_t block_sizes_dv2550[8] = {
    
          112, 112, 112, 112, 80, 80, 0, 0,
    
      };
    
      static const uint8_t block_sizes_dv100[8] = {
    
          80, 80, 80, 80, 80, 80, 64, 64,
    
      };
    
      static const AVDVProfile dv_profiles[] = {
    
          { .dsf                = 0,
    
            .video_stype        = 0x0,
    
            .frame_size         = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
    
            .difseg_size        = 10,
    
            .n_difchan          = 1,
    
            .time_base          = { 1001, 30000 },
    
            .ltc_divisor        = 30,
    
            .height             = 480,
    
            .width              = 720,
    
            .sar                = { { 8, 9 }, { 32, 27 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV411P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 90,
    
            .audio_min_samples  = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },  /* per SMPTE-314M */
    
            .audio_shuffle      = dv_audio_shuffle525, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x0,
    
            .frame_size         = 144000, /* IEC 61834 - 625/50 (PAL) */
    
            .difseg_size        = 12,
    
            .n_difchan          = 1,
    
            .time_base          = { 1, 25 },
    
            .ltc_divisor        = 25,
    
            .height             = 576,
    
            .width              = 720,
    
            .sar                = { { 16, 15 }, { 64, 45 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV420P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 108,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x0,
    
            .frame_size         = 144000, /* SMPTE-314M - 625/50 (PAL) */
    
            .difseg_size        = 12,
    
            .n_difchan          = 1,
    
            .time_base          = { 1, 25 },
    
            .ltc_divisor        = 25,
    
            .height             = 576,
    
            .width              = 720,
    
            .sar                = { { 16, 15 }, { 64, 45 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV411P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 108,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, },
    
          { .dsf                = 0,
    
            .video_stype        = 0x4,
    
            .frame_size         = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
    
            .difseg_size        = 10,    /* also known as "DVCPRO50" */
    
            .n_difchan          = 2,
    
            .time_base          = { 1001, 30000 },
    
            .ltc_divisor        = 30,
    
            .height             = 480,
    
            .width              = 720,
    
            .sar                = { { 8, 9 }, { 32, 27 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 90,
    
            .audio_min_samples  = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },  /* per SMPTE-314M */
    
            .audio_shuffle      = dv_audio_shuffle525, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x4,
    
            .frame_size         = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
    
            .difseg_size        = 12,    /* also known as "DVCPRO50" */
    
            .n_difchan          = 2,
    
            .time_base          = { 1, 25 },
    
            .ltc_divisor        = 25,
    
            .height             = 576,
    
            .width              = 720,
    
            .sar                = { { 16, 15 }, { 64, 45 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 108,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, },
    
          { .dsf                = 0,
    
            .video_stype        = 0x14,
    
            .frame_size         = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
    
            .difseg_size        = 10,    /* also known as "DVCPRO HD" */
    
            .n_difchan          = 4,
    
            .time_base          = { 1001, 30000 },
    
            .ltc_divisor        = 30,
    
            .height             = 1080,
    
            .width              = 1280,
    
            .sar                = { { 1, 1 }, { 3, 2 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 8,
    
            .block_sizes        = block_sizes_dv100,
    
            .audio_stride       = 90,
    
            .audio_min_samples  = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },  /* per SMPTE-314M */
    
            .audio_shuffle      = dv_audio_shuffle525, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x14,
    
            .frame_size         = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
    
            .difseg_size        = 12,    /* also known as "DVCPRO HD" */
    
            .n_difchan          = 4,
    
            .time_base          = { 1, 25 },
    
            .ltc_divisor        = 25,
    
            .height             = 1080,
    
            .width              = 1440,
    
            .sar                = { { 1, 1 }, { 4, 3 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 8,
    
            .block_sizes        = block_sizes_dv100,
    
            .audio_stride       = 108,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, },
    
          { .dsf                = 0,
    
            .video_stype        = 0x18,
    
            .frame_size         = 240000, /* SMPTE-370M - 720p60 100 Mbps */
    
            .difseg_size        = 10,    /* also known as "DVCPRO HD" */
    
            .n_difchan          = 2,
    
            .time_base          = { 1001, 60000 },
    
            .ltc_divisor        = 60,
    
            .height             = 720,
    
            .width              = 960,
    
            .sar                = { { 1, 1 }, { 4, 3 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 8,
    
            .block_sizes        = block_sizes_dv100,
    
            .audio_stride       = 90,
    
            .audio_min_samples  = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 },  /* per SMPTE-314M */
    
            .audio_shuffle      = dv_audio_shuffle525, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x18,
    
            .frame_size         = 288000, /* SMPTE-370M - 720p50 100 Mbps */
    
            .difseg_size        = 12,    /* also known as "DVCPRO HD" */
    
            .n_difchan          = 2,
    
            .time_base          = { 1, 50 },
    
            .ltc_divisor        = 50,
    
            .height             = 720,
    
            .width              = 960,
    
            .sar                = { { 1, 1 }, { 4, 3 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV422P,
    
            .bpm                = 8,
    
            .block_sizes        = block_sizes_dv100,
    
            .audio_stride       = 90,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, },
    
          { .dsf                = 1,
    
            .video_stype        = 0x1,
    
            .frame_size         = 144000, /* IEC 61883-5 - 625/50 (PAL) */
    
            .difseg_size        = 12,
    
            .n_difchan          = 1,
    
            .time_base          = { 1, 25 },
    
            .ltc_divisor        = 25,
    
            .height             = 576,
    
            .width              = 720,
    
            .sar                = { { 16, 15 }, { 64, 45 } },
    
            .pix_fmt            = AV_PIX_FMT_YUV420P,
    
            .bpm                = 6,
    
            .block_sizes        = block_sizes_dv2550,
    
            .audio_stride       = 108,
    
            .audio_min_samples  = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
    
            .audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
    
            .audio_shuffle      = dv_audio_shuffle625, }
    
      };
    
      ✗
      void ff_dv_print_profiles(void *logctx, int loglevel)
    
      {
    
          int i;
    
      ✗
          for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
    
      ✗
              const AVDVProfile *p = &dv_profiles[i];
    
      ✗
              av_log(logctx, loglevel,
    
                     "Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n",
    
      ✗
                     p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
    
      ✗
                     p->time_base.den, p->time_base.num);
    
          }
    
      ✗
      }
    
      #endif /* CONFIG_DVPROFILE */
    
      2241
      const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys,
    
                                             const uint8_t *frame, unsigned buf_size)
    
      {
    
      #if CONFIG_DVPROFILE
    
          int i, dsf, stype, pal;
    
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      2241
          if(buf_size < DV_PROFILE_BYTES)
    
      ✗
              return NULL;
    
      2241
          dsf   = (frame[3] & 0x80) >> 7;
    
      2241
          stype = frame[80 * 5 + 48 + 3] & 0x1f;
    
      2241
          pal   = !!(frame[80 * 5 + 48 + 3] & 0x20);
    
          /* 576i50 25Mbps 4:1:1 is a special case */
    
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      2241
          if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) ||
    
      ✗
              (stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576))
    
      369
              return &dv_profiles[2];
    
          /* hack for trac issues #8333 and #2177, PAL DV files with dsf flag 0 - detect via pal flag and buf_size */
    
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      1872
          if (dsf == 0 && pal == 1 && stype == dv_profiles[1].video_stype && buf_size == dv_profiles[1].frame_size)
    
      ✗
              return &dv_profiles[1];
    
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      9844
          for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
    
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      9844
              if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
    
      1872
                  return &dv_profiles[i];
    
          /* check if old sys matches and assumes corrupted input */
    
      ✗
          if (sys && buf_size == sys->frame_size)
    
      ✗
              return sys;
    
          /* hack for trac issue #217, dv files created with QuickTime 3 */
    
      ✗
          if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
    
      ✗
              return &dv_profiles[dsf];
    
      #endif
    
      ✗
          return NULL;
    
      }
    
      1172
      const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
    
                                             const uint8_t *frame, unsigned buf_size)
    
      {
    
      1172
          return ff_dv_frame_profile(NULL, sys, frame, buf_size);
    
      }
    
      ✗
      const AVDVProfile *av_dv_codec_profile(int width, int height,
    
                                             enum AVPixelFormat pix_fmt)
    
      {
    
      #if CONFIG_DVPROFILE
    
      ✗
          return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0});
    
      #endif
    
          return NULL;
    
      }
    
      43
      const AVDVProfile *av_dv_codec_profile2(int width, int height,
    
                                             enum AVPixelFormat pix_fmt,
    
                                             AVRational frame_rate)
    
      {
    
      43
          const AVDVProfile *p = NULL;
    
      #if CONFIG_DVPROFILE
    
          int i;
    
          /* frame rate is necessary to select between 720p50 and 720p60 profiles */
    
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      43
          int invalid_framerate = frame_rate.num == 0 || frame_rate.den == 0;
    
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      212
          for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
    
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      212
              if (height  == dv_profiles[i].height  &&
    
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      80
                  pix_fmt == dv_profiles[i].pix_fmt &&
    
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                  width   == dv_profiles[i].width)
    
              {
    
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      51
                  if( invalid_framerate || av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 )
    
      43
                      return &dv_profiles[i];
    
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      8
                  if(!p)
    
      8
                      p = &dv_profiles[i];
    
              }
    
      #endif
    
      ✗
          return p;
    
      }

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Line	Branch	Exec	Source
1			/*
2			* This file is part of FFmpeg.
3			*
4			* FFmpeg is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU Lesser General Public
6			* License as published by the Free Software Foundation; either
7			* version 2.1 of the License, or (at your option) any later version.
8			*
9			* FFmpeg is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* Lesser General Public License for more details.
13			*
14			* You should have received a copy of the GNU Lesser General Public
15			* License along with FFmpeg; if not, write to the Free Software
16			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17			*/
18
19			#include "config.h"
20
21			#include <stddef.h>
22			#include <stdint.h>
23
24			#include "libavutil/intreadwrite.h"
25			#include "libavutil/log.h"
26			#include "libavutil/macros.h"
27			#include "libavutil/pixdesc.h"
28
29			#include "avcodec.h"
30			#include "dv_profile.h"
31			#include "dv_profile_internal.h"
32
33			#if CONFIG_DVPROFILE
34
35			static const uint8_t dv_audio_shuffle525[10][9] = {
36			{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
37			{ 6, 36, 66, 26, 56, 86, 16, 46, 76 },
38			{ 12, 42, 72, 2, 32, 62, 22, 52, 82 },
39			{ 18, 48, 78, 8, 38, 68, 28, 58, 88 },
40			{ 24, 54, 84, 14, 44, 74, 4, 34, 64 },
41
42			{ 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
43			{ 7, 37, 67, 27, 57, 87, 17, 47, 77 },
44			{ 13, 43, 73, 3, 33, 63, 23, 53, 83 },
45			{ 19, 49, 79, 9, 39, 69, 29, 59, 89 },
46			{ 25, 55, 85, 15, 45, 75, 5, 35, 65 },
47			};
48
49			static const uint8_t dv_audio_shuffle625[12][9] = {
50			{ 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */
51			{ 6, 42, 78, 32, 68, 104, 22, 58, 94 },
52			{ 12, 48, 84, 2, 38, 74, 28, 64, 100 },
53			{ 18, 54, 90, 8, 44, 80, 34, 70, 106 },
54			{ 24, 60, 96, 14, 50, 86, 4, 40, 76 },
55			{ 30, 66, 102, 20, 56, 92, 10, 46, 82 },
56
57			{ 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */
58			{ 7, 43, 79, 33, 69, 105, 23, 59, 95 },
59			{ 13, 49, 85, 3, 39, 75, 29, 65, 101 },
60			{ 19, 55, 91, 9, 45, 81, 35, 71, 107 },
61			{ 25, 61, 97, 15, 51, 87, 5, 41, 77 },
62			{ 31, 67, 103, 21, 57, 93, 11, 47, 83 },
63			};
64
65			/* macroblock bit budgets */
66			static const uint8_t block_sizes_dv2550[8] = {
67			112, 112, 112, 112, 80, 80, 0, 0,
68			};
69
70			static const uint8_t block_sizes_dv100[8] = {
71			80, 80, 80, 80, 80, 80, 64, 64,
72			};
73
74			static const AVDVProfile dv_profiles[] = {
75			{ .dsf = 0,
76			.video_stype = 0x0,
77			.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
78			.difseg_size = 10,
79			.n_difchan = 1,
80			.time_base = { 1001, 30000 },
81			.ltc_divisor = 30,
82			.height = 480,
83			.width = 720,
84			.sar = { { 8, 9 }, { 32, 27 } },
85			.pix_fmt = AV_PIX_FMT_YUV411P,
86			.bpm = 6,
87			.block_sizes = block_sizes_dv2550,
88			.audio_stride = 90,
89			.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
90			.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
91			.audio_shuffle = dv_audio_shuffle525, },
92			{ .dsf = 1,
93			.video_stype = 0x0,
94			.frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */
95			.difseg_size = 12,
96			.n_difchan = 1,
97			.time_base = { 1, 25 },
98			.ltc_divisor = 25,
99			.height = 576,
100			.width = 720,
101			.sar = { { 16, 15 }, { 64, 45 } },
102			.pix_fmt = AV_PIX_FMT_YUV420P,
103			.bpm = 6,
104			.block_sizes = block_sizes_dv2550,
105			.audio_stride = 108,
106			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
107			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
108			.audio_shuffle = dv_audio_shuffle625, },
109			{ .dsf = 1,
110			.video_stype = 0x0,
111			.frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */
112			.difseg_size = 12,
113			.n_difchan = 1,
114			.time_base = { 1, 25 },
115			.ltc_divisor = 25,
116			.height = 576,
117			.width = 720,
118			.sar = { { 16, 15 }, { 64, 45 } },
119			.pix_fmt = AV_PIX_FMT_YUV411P,
120			.bpm = 6,
121			.block_sizes = block_sizes_dv2550,
122			.audio_stride = 108,
123			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
124			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
125			.audio_shuffle = dv_audio_shuffle625, },
126			{ .dsf = 0,
127			.video_stype = 0x4,
128			.frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
129			.difseg_size = 10, /* also known as "DVCPRO50" */
130			.n_difchan = 2,
131			.time_base = { 1001, 30000 },
132			.ltc_divisor = 30,
133			.height = 480,
134			.width = 720,
135			.sar = { { 8, 9 }, { 32, 27 } },
136			.pix_fmt = AV_PIX_FMT_YUV422P,
137			.bpm = 6,
138			.block_sizes = block_sizes_dv2550,
139			.audio_stride = 90,
140			.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
141			.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
142			.audio_shuffle = dv_audio_shuffle525, },
143			{ .dsf = 1,
144			.video_stype = 0x4,
145			.frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
146			.difseg_size = 12, /* also known as "DVCPRO50" */
147			.n_difchan = 2,
148			.time_base = { 1, 25 },
149			.ltc_divisor = 25,
150			.height = 576,
151			.width = 720,
152			.sar = { { 16, 15 }, { 64, 45 } },
153			.pix_fmt = AV_PIX_FMT_YUV422P,
154			.bpm = 6,
155			.block_sizes = block_sizes_dv2550,
156			.audio_stride = 108,
157			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
158			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
159			.audio_shuffle = dv_audio_shuffle625, },
160			{ .dsf = 0,
161			.video_stype = 0x14,
162			.frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
163			.difseg_size = 10, /* also known as "DVCPRO HD" */
164			.n_difchan = 4,
165			.time_base = { 1001, 30000 },
166			.ltc_divisor = 30,
167			.height = 1080,
168			.width = 1280,
169			.sar = { { 1, 1 }, { 3, 2 } },
170			.pix_fmt = AV_PIX_FMT_YUV422P,
171			.bpm = 8,
172			.block_sizes = block_sizes_dv100,
173			.audio_stride = 90,
174			.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
175			.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
176			.audio_shuffle = dv_audio_shuffle525, },
177			{ .dsf = 1,
178			.video_stype = 0x14,
179			.frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
180			.difseg_size = 12, /* also known as "DVCPRO HD" */
181			.n_difchan = 4,
182			.time_base = { 1, 25 },
183			.ltc_divisor = 25,
184			.height = 1080,
185			.width = 1440,
186			.sar = { { 1, 1 }, { 4, 3 } },
187			.pix_fmt = AV_PIX_FMT_YUV422P,
188			.bpm = 8,
189			.block_sizes = block_sizes_dv100,
190			.audio_stride = 108,
191			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
192			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
193			.audio_shuffle = dv_audio_shuffle625, },
194			{ .dsf = 0,
195			.video_stype = 0x18,
196			.frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */
197			.difseg_size = 10, /* also known as "DVCPRO HD" */
198			.n_difchan = 2,
199			.time_base = { 1001, 60000 },
200			.ltc_divisor = 60,
201			.height = 720,
202			.width = 960,
203			.sar = { { 1, 1 }, { 4, 3 } },
204			.pix_fmt = AV_PIX_FMT_YUV422P,
205			.bpm = 8,
206			.block_sizes = block_sizes_dv100,
207			.audio_stride = 90,
208			.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
209			.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
210			.audio_shuffle = dv_audio_shuffle525, },
211			{ .dsf = 1,
212			.video_stype = 0x18,
213			.frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */
214			.difseg_size = 12, /* also known as "DVCPRO HD" */
215			.n_difchan = 2,
216			.time_base = { 1, 50 },
217			.ltc_divisor = 50,
218			.height = 720,
219			.width = 960,
220			.sar = { { 1, 1 }, { 4, 3 } },
221			.pix_fmt = AV_PIX_FMT_YUV422P,
222			.bpm = 8,
223			.block_sizes = block_sizes_dv100,
224			.audio_stride = 90,
225			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
226			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
227			.audio_shuffle = dv_audio_shuffle625, },
228			{ .dsf = 1,
229			.video_stype = 0x1,
230			.frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */
231			.difseg_size = 12,
232			.n_difchan = 1,
233			.time_base = { 1, 25 },
234			.ltc_divisor = 25,
235			.height = 576,
236			.width = 720,
237			.sar = { { 16, 15 }, { 64, 45 } },
238			.pix_fmt = AV_PIX_FMT_YUV420P,
239			.bpm = 6,
240			.block_sizes = block_sizes_dv2550,
241			.audio_stride = 108,
242			.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
243			.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
244			.audio_shuffle = dv_audio_shuffle625, }
245			};
246
247		✗	void ff_dv_print_profiles(void *logctx, int loglevel)
248			{
249			int i;
250		✗	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
251		✗	const AVDVProfile *p = &dv_profiles[i];
252		✗	av_log(logctx, loglevel,
253			"Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n",
254		✗	p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
255		✗	p->time_base.den, p->time_base.num);
256			}
257		✗	}
258
259			#endif /* CONFIG_DVPROFILE */
260
261		2241	const AVDVProfile* ff_dv_frame_profile(AVCodecContext* codec, const AVDVProfile *sys,
262			const uint8_t *frame, unsigned buf_size)
263			{
264			#if CONFIG_DVPROFILE
265			int i, dsf, stype, pal;
266
267	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 2241 times.	2241	if(buf_size < DV_PROFILE_BYTES)
268		✗	return NULL;
269
270		2241	dsf = (frame[3] & 0x80) >> 7;
271		2241	stype = frame[80 * 5 + 48 + 3] & 0x1f;
272		2241	pal = !!(frame[80 * 5 + 48 + 3] & 0x20);
273
274			/* 576i50 25Mbps 4:1:1 is a special case */
275	7/8 ✓ Branch 0 taken 2171 times. ✓ Branch 1 taken 70 times. ✓ Branch 2 taken 949 times. ✓ Branch 3 taken 1222 times. ✓ Branch 4 taken 580 times. ✓ Branch 5 taken 369 times. ✗ Branch 6 not taken. ✓ Branch 7 taken 1872 times.	2241	if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) \|\|
276		✗	(stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576))
277		369	return &dv_profiles[2];
278
279			/* hack for trac issues #8333 and #2177, PAL DV files with dsf flag 0 - detect via pal flag and buf_size */
280	3/8 ✓ Branch 0 taken 70 times. ✓ Branch 1 taken 1802 times. ✗ Branch 2 not taken. ✓ Branch 3 taken 70 times. ✗ Branch 4 not taken. ✗ Branch 5 not taken. ✗ Branch 6 not taken. ✗ Branch 7 not taken.	1872	if (dsf == 0 && pal == 1 && stype == dv_profiles[1].video_stype && buf_size == dv_profiles[1].frame_size)
281		✗	return &dv_profiles[1];
282
283	1/2 ✓ Branch 0 taken 9844 times. ✗ Branch 1 not taken.	9844	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
284	4/4 ✓ Branch 0 taken 5568 times. ✓ Branch 1 taken 4276 times. ✓ Branch 2 taken 1872 times. ✓ Branch 3 taken 3696 times.	9844	if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
285		1872	return &dv_profiles[i];
286
287			/* check if old sys matches and assumes corrupted input */
288		✗	if (sys && buf_size == sys->frame_size)
289		✗	return sys;
290
291			/* hack for trac issue #217, dv files created with QuickTime 3 */
292		✗	if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
293		✗	return &dv_profiles[dsf];
294			#endif
295
296		✗	return NULL;
297			}
298
299		1172	const AVDVProfile av_dv_frame_profile(const AVDVProfile sys,
300			const uint8_t *frame, unsigned buf_size)
301			{
302		1172	return ff_dv_frame_profile(NULL, sys, frame, buf_size);
303			}
304
305		✗	const AVDVProfile *av_dv_codec_profile(int width, int height,
306			enum AVPixelFormat pix_fmt)
307			{
308			#if CONFIG_DVPROFILE
309		✗	return av_dv_codec_profile2(width, height, pix_fmt, (AVRational){0, 0});
310			#endif
311
312			return NULL;
313			}
314
315		43	const AVDVProfile *av_dv_codec_profile2(int width, int height,
316			enum AVPixelFormat pix_fmt,
317			AVRational frame_rate)
318			{
319		43	const AVDVProfile *p = NULL;
320			#if CONFIG_DVPROFILE
321			int i;
322			/* frame rate is necessary to select between 720p50 and 720p60 profiles */
323	2/4 ✓ Branch 0 taken 43 times. ✗ Branch 1 not taken. ✗ Branch 2 not taken. ✓ Branch 3 taken 43 times.	43	int invalid_framerate = frame_rate.num == 0 \|\| frame_rate.den == 0;
324
325	1/2 ✓ Branch 0 taken 212 times. ✗ Branch 1 not taken.	212	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
326	2/2 ✓ Branch 0 taken 80 times. ✓ Branch 1 taken 132 times.	212	if (height == dv_profiles[i].height &&
327	2/2 ✓ Branch 0 taken 60 times. ✓ Branch 1 taken 20 times.	80	pix_fmt == dv_profiles[i].pix_fmt &&
328	2/2 ✓ Branch 0 taken 51 times. ✓ Branch 1 taken 9 times.	60	width == dv_profiles[i].width)
329			{
330	3/4 ✓ Branch 0 taken 51 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 43 times. ✓ Branch 3 taken 8 times.	51	if( invalid_framerate \|\| av_div_q(dv_profiles[i].time_base, frame_rate).num == 1 )
331		43	return &dv_profiles[i];
332
333	1/2 ✓ Branch 0 taken 8 times. ✗ Branch 1 not taken.	8	if(!p)
334		8	p = &dv_profiles[i];
335			}
336			#endif
337
338		✗	return p;
339			}
340

Function (Line)	Call count	Block coverage
av_dv_codec_profile (line 305)	not called	0.0%
av_dv_codec_profile2 (line 315)	called 43 times, returned 43 times	88.0%
av_dv_frame_profile (line 299)	called 1172 times, returned 1172 times	100.0%
ff_dv_frame_profile (line 261)	called 2241 times, returned 2241 times	50.0%
ff_dv_print_profiles (line 247)	not called	0.0%