[deb_ffmpeg.git] / ffmpeg / libavcodec / dv_profile.c

/*
 * 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 <stdint.h>

#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.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 */

const AVDVProfile* avpriv_dv_frame_profile2(AVCodecContext* codec, const AVDVProfile *sys,
                                       const uint8_t *frame, unsigned buf_size)
{
#if CONFIG_DVPROFILE
    int i, dsf, stype;

    if(buf_size < DV_PROFILE_BYTES)
        return NULL;

    dsf   = (frame[3] & 0x80) >> 7;
    stype = frame[80 * 5 + 48 + 3] & 0x1f;

    /* 576i50 25Mbps 4:1:1 is a special case */
    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))
        return &dv_profiles[2];

    if(   stype == 0
       && codec
       && (codec->codec_tag==AV_RL32("dvsd") || codec->codec_tag==AV_RL32("CDVC"))
       && codec->coded_width ==720
       && codec->coded_height==576)
        return &dv_profiles[1];

    for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
        if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
            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;
}

const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
                                       const uint8_t *frame, unsigned buf_size)
{
    return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
}

const AVDVProfile *av_dv_codec_profile(int width, int height,
                                       enum AVPixelFormat pix_fmt)
{
#if CONFIG_DVPROFILE
    int i;

    for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
        if (height  == dv_profiles[i].height  &&
            pix_fmt == dv_profiles[i].pix_fmt &&
            width   == dv_profiles[i].width)
            return &dv_profiles[i];
#endif

    return NULL;
}
Commit	Line	Data
2ba45a60 DM	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 <stdint.h>
	22
	23	#include "libavutil/common.h"
	24	#include "libavutil/intreadwrite.h"
	25	#include "libavutil/log.h"
	26	#include "libavutil/pixdesc.h"
	27
	28	#include "avcodec.h"
	29	#include "dv_profile.h"
	30	#include "dv_profile_internal.h"
	31
	32	#if CONFIG_DVPROFILE
	33
	34	static const uint8_t dv_audio_shuffle525[10][9] = {
	35	{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
	36	{ 6, 36, 66, 26, 56, 86, 16, 46, 76 },
	37	{ 12, 42, 72, 2, 32, 62, 22, 52, 82 },
	38	{ 18, 48, 78, 8, 38, 68, 28, 58, 88 },
	39	{ 24, 54, 84, 14, 44, 74, 4, 34, 64 },
	40
	41	{ 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
	42	{ 7, 37, 67, 27, 57, 87, 17, 47, 77 },
	43	{ 13, 43, 73, 3, 33, 63, 23, 53, 83 },
	44	{ 19, 49, 79, 9, 39, 69, 29, 59, 89 },
	45	{ 25, 55, 85, 15, 45, 75, 5, 35, 65 },
	46	};
	47
	48	static const uint8_t dv_audio_shuffle625[12][9] = {
	49	{ 0, 36, 72, 26, 62, 98, 16, 52, 88 }, /* 1st channel */
	50	{ 6, 42, 78, 32, 68, 104, 22, 58, 94 },
	51	{ 12, 48, 84, 2, 38, 74, 28, 64, 100 },
	52	{ 18, 54, 90, 8, 44, 80, 34, 70, 106 },
	53	{ 24, 60, 96, 14, 50, 86, 4, 40, 76 },
	54	{ 30, 66, 102, 20, 56, 92, 10, 46, 82 },
	55
	56	{ 1, 37, 73, 27, 63, 99, 17, 53, 89 }, /* 2nd channel */
	57	{ 7, 43, 79, 33, 69, 105, 23, 59, 95 },
	58	{ 13, 49, 85, 3, 39, 75, 29, 65, 101 },
	59	{ 19, 55, 91, 9, 45, 81, 35, 71, 107 },
	60	{ 25, 61, 97, 15, 51, 87, 5, 41, 77 },
	61	{ 31, 67, 103, 21, 57, 93, 11, 47, 83 },
	62	};
	63
	64	/* macroblock bit budgets */
65	static const uint8_t block_sizes_dv2550[8] = {
66	112, 112, 112, 112, 80, 80, 0, 0,
67	};
68
69	static const uint8_t block_sizes_dv100[8] = {
70	80, 80, 80, 80, 80, 80, 64, 64,
71	};
72
73	static const AVDVProfile dv_profiles[] = {
74	{ .dsf = 0,
75	.video_stype = 0x0,
76	.frame_size = 120000, /* IEC 61834, SMPTE-314M - 525/60 (NTSC) */
77	.difseg_size = 10,
78	.n_difchan = 1,
79	.time_base = { 1001, 30000 },
80	.ltc_divisor = 30,
81	.height = 480,
82	.width = 720,
83	.sar = { { 8, 9 }, { 32, 27 } },
84	.pix_fmt = AV_PIX_FMT_YUV411P,
85	.bpm = 6,
86	.block_sizes = block_sizes_dv2550,
87	.audio_stride = 90,
88	.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
89	.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
90	.audio_shuffle = dv_audio_shuffle525, },
91	{ .dsf = 1,
92	.video_stype = 0x0,
93	.frame_size = 144000, /* IEC 61834 - 625/50 (PAL) */
94	.difseg_size = 12,
95	.n_difchan = 1,
96	.time_base = { 1, 25 },
97	.ltc_divisor = 25,
98	.height = 576,
99	.width = 720,
100	.sar = { { 16, 15 }, { 64, 45 } },
101	.pix_fmt = AV_PIX_FMT_YUV420P,
102	.bpm = 6,
103	.block_sizes = block_sizes_dv2550,
104	.audio_stride = 108,
105	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
106	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
107	.audio_shuffle = dv_audio_shuffle625, },
108	{ .dsf = 1,
109	.video_stype = 0x0,
110	.frame_size = 144000, /* SMPTE-314M - 625/50 (PAL) */
111	.difseg_size = 12,
112	.n_difchan = 1,
113	.time_base = { 1, 25 },
114	.ltc_divisor = 25,
115	.height = 576,
116	.width = 720,
117	.sar = { { 16, 15 }, { 64, 45 } },
118	.pix_fmt = AV_PIX_FMT_YUV411P,
119	.bpm = 6,
120	.block_sizes = block_sizes_dv2550,
121	.audio_stride = 108,
122	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
123	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
124	.audio_shuffle = dv_audio_shuffle625, },
125	{ .dsf = 0,
126	.video_stype = 0x4,
127	.frame_size = 240000, /* SMPTE-314M - 525/60 (NTSC) 50 Mbps */
128	.difseg_size = 10, /* also known as "DVCPRO50" */
129	.n_difchan = 2,
130	.time_base = { 1001, 30000 },
131	.ltc_divisor = 30,
132	.height = 480,
133	.width = 720,
134	.sar = { { 8, 9 }, { 32, 27 } },
135	.pix_fmt = AV_PIX_FMT_YUV422P,
136	.bpm = 6,
137	.block_sizes = block_sizes_dv2550,
138	.audio_stride = 90,
139	.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
140	.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
141	.audio_shuffle = dv_audio_shuffle525, },
142	{ .dsf = 1,
143	.video_stype = 0x4,
144	.frame_size = 288000, /* SMPTE-314M - 625/50 (PAL) 50 Mbps */
145	.difseg_size = 12, /* also known as "DVCPRO50" */
146	.n_difchan = 2,
147	.time_base = { 1, 25 },
148	.ltc_divisor = 25,
149	.height = 576,
150	.width = 720,
151	.sar = { { 16, 15 }, { 64, 45 } },
152	.pix_fmt = AV_PIX_FMT_YUV422P,
153	.bpm = 6,
154	.block_sizes = block_sizes_dv2550,
155	.audio_stride = 108,
156	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
157	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
158	.audio_shuffle = dv_audio_shuffle625, },
159	{ .dsf = 0,
160	.video_stype = 0x14,
161	.frame_size = 480000, /* SMPTE-370M - 1080i60 100 Mbps */
162	.difseg_size = 10, /* also known as "DVCPRO HD" */
163	.n_difchan = 4,
164	.time_base = { 1001, 30000 },
165	.ltc_divisor = 30,
166	.height = 1080,
167	.width = 1280,
168	.sar = { { 1, 1 }, { 3, 2 } },
169	.pix_fmt = AV_PIX_FMT_YUV422P,
170	.bpm = 8,
171	.block_sizes = block_sizes_dv100,
172	.audio_stride = 90,
173	.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
174	.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
175	.audio_shuffle = dv_audio_shuffle525, },
176	{ .dsf = 1,
177	.video_stype = 0x14,
178	.frame_size = 576000, /* SMPTE-370M - 1080i50 100 Mbps */
179	.difseg_size = 12, /* also known as "DVCPRO HD" */
180	.n_difchan = 4,
181	.time_base = { 1, 25 },
182	.ltc_divisor = 25,
183	.height = 1080,
184	.width = 1440,
185	.sar = { { 1, 1 }, { 4, 3 } },
186	.pix_fmt = AV_PIX_FMT_YUV422P,
187	.bpm = 8,
188	.block_sizes = block_sizes_dv100,
189	.audio_stride = 108,
190	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
191	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
192	.audio_shuffle = dv_audio_shuffle625, },
193	{ .dsf = 0,
194	.video_stype = 0x18,
195	.frame_size = 240000, /* SMPTE-370M - 720p60 100 Mbps */
196	.difseg_size = 10, /* also known as "DVCPRO HD" */
197	.n_difchan = 2,
198	.time_base = { 1001, 60000 },
199	.ltc_divisor = 60,
200	.height = 720,
201	.width = 960,
202	.sar = { { 1, 1 }, { 4, 3 } },
203	.pix_fmt = AV_PIX_FMT_YUV422P,
204	.bpm = 8,
205	.block_sizes = block_sizes_dv100,
206	.audio_stride = 90,
207	.audio_min_samples = { 1580, 1452, 1053 }, /* for 48, 44.1 and 32kHz */
208	.audio_samples_dist = { 1600, 1602, 1602, 1602, 1602 }, /* per SMPTE-314M */
209	.audio_shuffle = dv_audio_shuffle525, },
210	{ .dsf = 1,
211	.video_stype = 0x18,
212	.frame_size = 288000, /* SMPTE-370M - 720p50 100 Mbps */
213	.difseg_size = 12, /* also known as "DVCPRO HD" */
214	.n_difchan = 2,
215	.time_base = { 1, 50 },
216	.ltc_divisor = 50,
217	.height = 720,
218	.width = 960,
219	.sar = { { 1, 1 }, { 4, 3 } },
220	.pix_fmt = AV_PIX_FMT_YUV422P,
221	.bpm = 8,
222	.block_sizes = block_sizes_dv100,
223	.audio_stride = 90,
224	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
225	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
226	.audio_shuffle = dv_audio_shuffle625, },
227	{ .dsf = 1,
228	.video_stype = 0x1,
229	.frame_size = 144000, /* IEC 61883-5 - 625/50 (PAL) */
230	.difseg_size = 12,
231	.n_difchan = 1,
232	.time_base = { 1, 25 },
233	.ltc_divisor = 25,
234	.height = 576,
235	.width = 720,
236	.sar = { { 16, 15 }, { 64, 45 } },
237	.pix_fmt = AV_PIX_FMT_YUV420P,
238	.bpm = 6,
239	.block_sizes = block_sizes_dv2550,
240	.audio_stride = 108,
241	.audio_min_samples = { 1896, 1742, 1264 }, /* for 48, 44.1 and 32kHz */
242	.audio_samples_dist = { 1920, 1920, 1920, 1920, 1920 },
243	.audio_shuffle = dv_audio_shuffle625, }
244	};
245
246	void ff_dv_print_profiles(void *logctx, int loglevel)
247	{
248	int i;
249	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++) {
250	const AVDVProfile *p = &dv_profiles[i];
251	av_log(logctx, loglevel,
252	"Frame size: %dx%d; pixel format: %s, framerate: %d/%d\n",
253	p->width, p->height, av_get_pix_fmt_name(p->pix_fmt),
254	p->time_base.den, p->time_base.num);
255	}
256	}
257
258	#endif /* CONFIG_DVPROFILE */
259
260	const AVDVProfile* avpriv_dv_frame_profile2(AVCodecContext* codec, const AVDVProfile *sys,
261	const uint8_t *frame, unsigned buf_size)
262	{
263	#if CONFIG_DVPROFILE
264	int i, dsf, stype;
265
266	if(buf_size < DV_PROFILE_BYTES)
267	return NULL;
268
269	dsf = (frame[3] & 0x80) >> 7;
270	stype = frame[80 * 5 + 48 + 3] & 0x1f;
271
272	/* 576i50 25Mbps 4:1:1 is a special case */
273	if ((dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) \|\|
274	(stype == 31 && codec && codec->codec_tag==AV_RL32("SL25") && codec->coded_width==720 && codec->coded_height==576))
275	return &dv_profiles[2];
276
277	if( stype == 0
278	&& codec
279	&& (codec->codec_tag==AV_RL32("dvsd") \|\| codec->codec_tag==AV_RL32("CDVC"))
280	&& codec->coded_width ==720
281	&& codec->coded_height==576)
282	return &dv_profiles[1];
283
284	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
285	if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)
286	return &dv_profiles[i];
287
288	/* check if old sys matches and assumes corrupted input */
289	if (sys && buf_size == sys->frame_size)
290	return sys;
291
292	/* hack for trac issue #217, dv files created with QuickTime 3 */
293	if ((frame[3] & 0x7f) == 0x3f && frame[80 * 5 + 48 + 3] == 0xff)
294	return &dv_profiles[dsf];
295	#endif
296
297	return NULL;
298	}
299
300	const AVDVProfile av_dv_frame_profile(const AVDVProfile sys,
301	const uint8_t *frame, unsigned buf_size)
302	{
303	return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
304	}
305
306	const AVDVProfile *av_dv_codec_profile(int width, int height,
307	enum AVPixelFormat pix_fmt)
308	{
309	#if CONFIG_DVPROFILE
310	int i;
311
312	for (i = 0; i < FF_ARRAY_ELEMS(dv_profiles); i++)
313	if (height == dv_profiles[i].height &&
314	pix_fmt == dv_profiles[i].pix_fmt &&
315	width == dv_profiles[i].width)
316	return &dv_profiles[i];
317	#endif
318
319	return NULL;
320	}
321