FFmpeg  4.4.5
prores_metadata_bsf.c
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1 /*
2  * Prores Metadata bitstream filter
3  * Copyright (c) 2018 Jokyo Images
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * Prores Metadata bitstream filter
25  * set frame colorspace property
26  */
27 
28 #include "libavutil/common.h"
29 #include "libavutil/intreadwrite.h"
30 #include "libavutil/opt.h"
31 
32 #include "bsf.h"
33 #include "bsf_internal.h"
34 
35 typedef struct ProresMetadataContext {
36  const AVClass *class;
37 
42 
44 {
46  int ret = 0;
47  int buf_size;
48  uint8_t *buf;
49 
50  ret = ff_bsf_get_packet_ref(bsf, pkt);
51  if (ret < 0)
52  return ret;
53 
55  if (ret < 0)
56  goto fail;
57 
58  buf = pkt->data;
59  buf_size = pkt->size;
60 
61  /* check start of the prores frame */
62  if (buf_size < 28) {
63  av_log(bsf, AV_LOG_ERROR, "not enough data in prores frame\n");
64  ret = AVERROR_INVALIDDATA;
65  goto fail;
66  }
67 
68  if (AV_RL32(buf + 4) != AV_RL32("icpf")) {
69  av_log(bsf, AV_LOG_ERROR, "invalid frame header\n");
70  ret = AVERROR_INVALIDDATA;
71  goto fail;
72  }
73 
74  if (AV_RB16(buf + 8) < 28) {
75  av_log(bsf, AV_LOG_ERROR, "invalid frame header size\n");
76  ret = AVERROR_INVALIDDATA;
77  goto fail;
78  }
79 
80  /* set the new values */
81  if (ctx->color_primaries != -1)
82  buf[8+14] = ctx->color_primaries;
83  if (ctx->transfer_characteristics != -1)
84  buf[8+15] = ctx->transfer_characteristics;
85  if (ctx->matrix_coefficients != -1)
86  buf[8+16] = ctx->matrix_coefficients;
87 
88 fail:
89  if (ret < 0)
91  return ret;
92 }
93 
94 static const enum AVCodecID codec_ids[] = {
96 };
97 
99 {
101  /*! check options */
102  switch (ctx->color_primaries) {
103  case -1:
104  case 0:
105  case AVCOL_PRI_BT709:
106  case AVCOL_PRI_BT470BG:
107  case AVCOL_PRI_SMPTE170M:
108  case AVCOL_PRI_BT2020:
109  case AVCOL_PRI_SMPTE431:
110  case AVCOL_PRI_SMPTE432:
111  break;
112  default:
113  av_log(bsf, AV_LOG_ERROR, "Color primaries %d is not a valid value\n", ctx->color_primaries);
114  return AVERROR(EINVAL);
115  }
116 
117  switch (ctx->matrix_coefficients) {
118  case -1:
119  case 0:
120  case AVCOL_SPC_BT709:
121  case AVCOL_SPC_SMPTE170M:
123  break;
124  default:
125  av_log(bsf, AV_LOG_ERROR, "Colorspace %d is not a valid value\n", ctx->matrix_coefficients);
126  return AVERROR(EINVAL);
127  }
128 
129  return 0;
130 }
131 
132 #define OFFSET(x) offsetof(ProresMetadataContext, x)
133 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_BSF_PARAM)
134 static const AVOption options[] = {
135  {"color_primaries", "select color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_PRI_SMPTE432, FLAGS, "color_primaries"},
136  {"auto", "keep the same color primaries", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
137  {"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
138  {"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT709}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
139  {"bt470bg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470BG}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
140  {"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE170M}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
141  {"bt2020", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT2020}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
142  {"smpte431", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
143  {"smpte432", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432}, INT_MIN, INT_MAX, FLAGS, "color_primaries"},
144 
145  {"color_trc", "select color transfer", OFFSET(transfer_characteristics), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_NB - 1, FLAGS, "color_trc"},
146  {"auto", "keep the same color transfer", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
147  {"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
148  {"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
149  {"smpte2084", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
150  {"arib-std-b67", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_ARIB_STD_B67}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
151 
152  {"colorspace", "select colorspace", OFFSET(matrix_coefficients), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_SPC_BT2020_NCL, FLAGS, "colorspace"},
153  {"auto", "keep the same colorspace", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
154  {"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
155  {"bt709", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
156  {"smpte170m", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE170M}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
157  {"bt2020nc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
158 
159  { NULL },
160 };
161 
163  .class_name = "prores_metadata_bsf",
164  .item_name = av_default_item_name,
165  .option = options,
166  .version = LIBAVUTIL_VERSION_INT,
167 };
168 
170  .name = "prores_metadata",
171  .init = prores_metadata_init,
172  .filter = prores_metadata,
173  .priv_data_size = sizeof(ProresMetadataContext),
174  .priv_class = &prores_metadata_class,
175  .codec_ids = codec_ids,
176 };
uint8_t
#define AV_RB16
Definition: intreadwrite.h:53
#define AV_RL32
Definition: intreadwrite.h:146
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
Definition: bsf.c:253
#define fail()
Definition: checkasm.h:133
common internal and external API header
#define NULL
Definition: coverity.c:32
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
@ AV_CODEC_ID_NONE
Definition: codec_id.h:47
@ AV_CODEC_ID_PRORES
Definition: codec_id.h:197
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:634
int av_packet_make_writable(AVPacket *pkt)
Create a writable reference for the data described by a given packet, avoiding data copy if possible.
Definition: avpacket.c:715
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
#define AVERROR(e)
Definition: error.h:43
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB]
AVOptions.
@ AVCOL_PRI_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
Definition: pixfmt.h:465
@ AVCOL_PRI_SMPTE432
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:473
@ AVCOL_PRI_BT709
also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
Definition: pixfmt.h:460
@ AVCOL_PRI_SMPTE431
SMPTE ST 431-2 (2011) / DCI P3.
Definition: pixfmt.h:472
@ AVCOL_PRI_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:466
@ AVCOL_PRI_BT2020
ITU-R BT2020.
Definition: pixfmt.h:469
@ AVCOL_TRC_SMPTE2084
SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems.
Definition: pixfmt.h:500
@ AVCOL_TRC_ARIB_STD_B67
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:504
@ AVCOL_TRC_BT709
also ITU-R BT1361
Definition: pixfmt.h:485
@ AVCOL_TRC_NB
Not part of ABI.
Definition: pixfmt.h:505
@ AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
Definition: pixfmt.h:514
@ AVCOL_SPC_BT2020_NCL
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:523
@ AVCOL_SPC_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:519
static enum AVCodecID codec_ids[]
static const AVClass prores_metadata_class
static const AVOption options[]
const AVBitStreamFilter ff_prores_metadata_bsf
#define FLAGS
static int prores_metadata(AVBSFContext *bsf, AVPacket *pkt)
static int prores_metadata_init(AVBSFContext *bsf)
#define OFFSET(x)
The bitstream filter state.
Definition: bsf.h:49
void * priv_data
Opaque filter-specific private data.
Definition: bsf.h:70
const char * name
Definition: bsf.h:99
Describe the class of an AVClass context structure.
Definition: log.h:67
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
AVOption.
Definition: opt.h:248
This structure stores compressed data.
Definition: packet.h:346
int size
Definition: packet.h:370
uint8_t * data
Definition: packet.h:369
#define av_log(a,...)
AVPacket * pkt
Definition: movenc.c:59
AVFormatContext * ctx
Definition: movenc.c:48