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lavc/dv: rename constants to follow our naming conventions

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CamelCase for enum tags, ALL_CAPS for enum values.
This commit is contained in:
Anton Khirnov
2022-08-23 12:04:58 +02:00
parent 7203bb6a59
commit f7b3fc4afe
5 changed files with 63 additions and 63 deletions
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38
libavcodec/dv.h
View File

@@ -27,27 +27,27 @@
#ifndef AVCODEC_DV_H
#define AVCODEC_DV_H
enum dv_section_type {
dv_sect_header = 0x1f,
dv_sect_subcode = 0x3f,
dv_sect_vaux = 0x56,
dv_sect_audio = 0x76,
dv_sect_video = 0x96,
enum DVSectionType {
DV_SECT_HEADER = 0x1f,
DV_SECT_SUBCODE = 0x3f,
DV_SECT_VAUX = 0x56,
DV_SECT_AUDIO = 0x76,
DV_SECT_VIDEO = 0x96,
};
enum dv_pack_type {
dv_header525 = 0x3f, /* see dv_write_pack for important details on */
dv_header625 = 0xbf, /* these two packs */
dv_timecode = 0x13,
dv_audio_source = 0x50,
dv_audio_control = 0x51,
dv_audio_recdate = 0x52,
dv_audio_rectime = 0x53,
dv_video_source = 0x60,
dv_video_control = 0x61,
dv_video_recdate = 0x62,
dv_video_rectime = 0x63,
dv_unknown_pack = 0xff,
enum DVPackType {
DV_HEADER525 = 0x3f, /* see dv_write_pack for important details on */
DV_HEADER625 = 0xbf, /* these two packs */
DV_TIMECODE = 0x13,
DV_AUDIO_SOURCE = 0x50,
DV_AUDIO_CONTROL = 0x51,
DV_AUDIO_RECDATE = 0x52,
DV_AUDIO_RECTIME = 0x53,
DV_VIDEO_SOURCE = 0x60,
DV_VIDEO_CONTROL = 0x61,
DV_VIDEO_RECDATE = 0x62,
DV_VIDEO_RECTIME = 0x63,
DV_UNKNOWN_PACK = 0xff,
};
#define DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10)

4
libavcodec/dvdec.c
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@@ -660,7 +660,7 @@ static int dvvideo_decode_frame(AVCodecContext *avctx, AVFrame *frame,
/* Determine the codec's sample_aspect ratio from the packet */
vsc_pack = buf + 80 * 5 + 48 + 5;
if (*vsc_pack == dv_video_control) {
if (*vsc_pack == DV_VIDEO_CONTROL) {
apt = buf[4] & 0x07;
is16_9 = (vsc_pack[2] & 0x07) == 0x02 ||
(!apt && (vsc_pack[2] & 0x07) == 0x07);
@@ -671,7 +671,7 @@ static int dvvideo_decode_frame(AVCodecContext *avctx, AVFrame *frame,
return ret;
/* Determine the codec's field order from the packet */
if ( *vsc_pack == dv_video_control ) {
if ( *vsc_pack == DV_VIDEO_CONTROL ) {
if (avctx->height == 720) {
frame->interlaced_frame = 0;
frame->top_field_first = 0;

32
libavcodec/dvenc.c
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@@ -1020,7 +1020,7 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
return 0;
}
static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
static inline int dv_write_pack(enum DVPackType pack_id, DVEncContext *c,
uint8_t *buf)
{
/*
@@ -1058,8 +1058,8 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
buf[0] = (uint8_t) pack_id;
switch (pack_id) {
case dv_header525: /* I can't imagine why these two weren't defined as real */
case dv_header625: /* packs in SMPTE314M -- they definitely look like ones */
case DV_HEADER525: /* I can't imagine why these two weren't defined as real */
case DV_HEADER625: /* packs in SMPTE314M -- they definitely look like ones */
buf[1] = 0xf8 | /* reserved -- always 1 */
(apt & 0x07); /* APT: Track application ID */
buf[2] = (0 << 7) | /* TF1: audio data is 0 - valid; 1 - invalid */
@@ -1072,7 +1072,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
(0x0f << 3) | /* reserved -- always 1 */
(apt & 0x07); /* AP3: Subcode application ID */
break;
case dv_video_source:
case DV_VIDEO_SOURCE:
buf[1] = 0xff; /* reserved -- always 1 */
buf[2] = (1 << 7) | /* B/W: 0 - b/w, 1 - color */
(1 << 6) | /* following CLF is valid - 0, invalid - 1 */
@@ -1083,7 +1083,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
c->sys->video_stype; /* signal type video compression */
buf[4] = 0xff; /* VISC: 0xff -- no information */
break;
case dv_video_control:
case DV_VIDEO_CONTROL:
buf[1] = (0 << 6) | /* Copy generation management (CGMS) 0 -- free */
0x3f; /* reserved -- always 1 */
buf[2] = 0xc8 | /* reserved -- always b11001xxx */
@@ -1104,7 +1104,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
return 5;
}
static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,
static inline int dv_write_dif_id(enum DVSectionType t, uint8_t chan_num,
uint8_t seq_num, uint8_t dif_num,
uint8_t *buf)
{
@@ -1151,14 +1151,14 @@ static void dv_format_frame(DVEncContext *c, uint8_t *buf)
memset(buf, 0xff, 80 * 6); /* first 6 DIF blocks are for control data */
/* DV header: 1DIF */
buf += dv_write_dif_id(dv_sect_header, chan+chan_offset, i, 0, buf);
buf += dv_write_pack((c->sys->dsf ? dv_header625 : dv_header525),
buf += dv_write_dif_id(DV_SECT_HEADER, chan+chan_offset, i, 0, buf);
buf += dv_write_pack((c->sys->dsf ? DV_HEADER625 : DV_HEADER525),
c, buf);
buf += 72; /* unused bytes */
/* DV subcode: 2DIFs */
for (j = 0; j < 2; j++) {
buf += dv_write_dif_id(dv_sect_subcode, chan+chan_offset, i, j, buf);
buf += dv_write_dif_id(DV_SECT_SUBCODE, chan+chan_offset, i, j, buf);
for (k = 0; k < 6; k++)
buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size / 2), buf) + 5;
buf += 29; /* unused bytes */
@@ -1166,12 +1166,12 @@ static void dv_format_frame(DVEncContext *c, uint8_t *buf)
/* DV VAUX: 3DIFS */
for (j = 0; j < 3; j++) {
buf += dv_write_dif_id(dv_sect_vaux, chan+chan_offset, i, j, buf);
buf += dv_write_pack(dv_video_source, c, buf);
buf += dv_write_pack(dv_video_control, c, buf);
buf += dv_write_dif_id(DV_SECT_VAUX, chan+chan_offset, i, j, buf);
buf += dv_write_pack(DV_VIDEO_SOURCE, c, buf);
buf += dv_write_pack(DV_VIDEO_CONTROL, c, buf);
buf += 7 * 5;
buf += dv_write_pack(dv_video_source, c, buf);
buf += dv_write_pack(dv_video_control, c, buf);
buf += dv_write_pack(DV_VIDEO_SOURCE, c, buf);
buf += dv_write_pack(DV_VIDEO_CONTROL, c, buf);
buf += 4 * 5 + 2; /* unused bytes */
}
@@ -1179,10 +1179,10 @@ static void dv_format_frame(DVEncContext *c, uint8_t *buf)
for (j = 0; j < 135; j++) {
if (j % 15 == 0) {
memset(buf, 0xff, 80);
buf += dv_write_dif_id(dv_sect_audio, chan+chan_offset, i, j/15, buf);
buf += dv_write_dif_id(DV_SECT_AUDIO, chan+chan_offset, i, j/15, buf);
buf += 77; /* audio control & shuffled PCM audio */
}
buf += dv_write_dif_id(dv_sect_video, chan+chan_offset, i, j, buf);
buf += dv_write_dif_id(DV_SECT_VIDEO, chan+chan_offset, i, j, buf);
buf += 77; /* 1 video macroblock: 1 bytes control
* 4 * 14 bytes Y 8x8 data
* 10 bytes Cr 8x8 data

18
libavformat/dv.c
View File

@@ -87,26 +87,26 @@ static inline uint16_t dv_audio_12to16(uint16_t sample)
return result;
}
static const uint8_t *dv_extract_pack(const uint8_t *frame, enum dv_pack_type t)
static const uint8_t *dv_extract_pack(const uint8_t *frame, enum DVPackType t)
{
int offs;
int c;
for (c = 0; c < 10; c++) {
switch (t) {
case dv_audio_source:
case DV_AUDIO_SOURCE:
if (c&1) offs = (80 * 6 + 80 * 16 * 0 + 3 + c*12000);
else offs = (80 * 6 + 80 * 16 * 3 + 3 + c*12000);
break;
case dv_audio_control:
case DV_AUDIO_CONTROL:
if (c&1) offs = (80 * 6 + 80 * 16 * 1 + 3 + c*12000);
else offs = (80 * 6 + 80 * 16 * 4 + 3 + c*12000);
break;
case dv_video_control:
case DV_VIDEO_CONTROL:
if (c&1) offs = (80 * 3 + 8 + c*12000);
else offs = (80 * 5 + 48 + 5 + c*12000);
break;
case dv_timecode:
case DV_TIMECODE:
offs = (80*1 + 3 + 3);
break;
default:
@@ -139,7 +139,7 @@ static int dv_extract_audio(const uint8_t *frame, uint8_t **ppcm,
const uint8_t *as_pack;
uint8_t *pcm, ipcm;
as_pack = dv_extract_pack(frame, dv_audio_source);
as_pack = dv_extract_pack(frame, DV_AUDIO_SOURCE);
if (!as_pack) /* No audio ? */
return 0;
@@ -239,7 +239,7 @@ static int dv_extract_audio_info(DVDemuxContext *c, const uint8_t *frame)
const uint8_t *as_pack;
int freq, stype, smpls, quant, i, ach;
as_pack = dv_extract_pack(frame, dv_audio_source);
as_pack = dv_extract_pack(frame, DV_AUDIO_SOURCE);
if (!as_pack || !c->sys) { /* No audio ? */
c->ach = 0;
return 0;
@@ -308,7 +308,7 @@ static int dv_extract_video_info(DVDemuxContext *c, const uint8_t *frame)
c->vst->avg_frame_rate = av_inv_q(c->vst->time_base);
/* finding out SAR is a little bit messy */
vsc_pack = dv_extract_pack(frame, dv_video_control);
vsc_pack = dv_extract_pack(frame, DV_VIDEO_CONTROL);
apt = frame[4] & 0x07;
is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 ||
(!apt && (vsc_pack[2] & 0x07) == 0x07)));
@@ -328,7 +328,7 @@ static int dv_extract_timecode(DVDemuxContext* c, const uint8_t* frame, char *tc
// is only relevant for NTSC systems.
int prevent_df = c->sys->ltc_divisor == 25 || c->sys->ltc_divisor == 50;
tc_pack = dv_extract_pack(frame, dv_timecode);
tc_pack = dv_extract_pack(frame, DV_TIMECODE);
if (!tc_pack)
return 0;
av_timecode_make_smpte_tc_string2(tc, av_inv_q(c->sys->time_base), AV_RB32(tc_pack + 1), prevent_df, 1);

34
libavformat/dvenc.c
View File

@@ -94,7 +94,7 @@ static int dv_audio_frame_size(const AVDVProfile* sys, int frame, int sample_rat
sizeof(sys->audio_samples_dist[0]))];
}
static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* buf, int channel, int seq)
static int dv_write_pack(enum DVPackType pack_id, DVMuxContext *c, uint8_t* buf, int channel, int seq)
{
struct tm tc;
time_t ct;
@@ -103,12 +103,12 @@ 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:
case DV_TIMECODE:
timecode = av_timecode_get_smpte_from_framenum(&c->tc, c->frames);
timecode |= 1<<23 | 1<<15 | 1<<7 | 1<<6; // biphase and binary group flags
AV_WB32(buf + 1, timecode);
break;
case dv_audio_source: /* AAUX source pack */
case DV_AUDIO_SOURCE: /* AAUX source pack */
if (c->ast[channel]->codecpar->sample_rate == 44100) {
audio_type = 1;
} else if (c->ast[channel]->codecpar->sample_rate == 32000)
@@ -132,7 +132,7 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
0; /* quantization: 0 -- 16-bit linear, 1 -- 12-bit nonlinear */
break;
case dv_audio_control:
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 */
@@ -147,8 +147,8 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
buf[4] = (1 << 7) | /* reserved -- always 1 */
0x7f; /* genre category */
break;
case dv_audio_recdate:
case dv_video_recdate: /* VAUX recording date */
case DV_AUDIO_RECDATE:
case DV_VIDEO_RECDATE: /* VAUX recording date */
ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num,
c->sys->time_base.den, AV_ROUND_DOWN);
brktimegm(ct, &tc);
@@ -163,8 +163,8 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu
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 */
case DV_AUDIO_RECTIME: /* AAUX recording time */
case DV_VIDEO_RECTIME: /* VAUX recording time */
ct = c->start_time + av_rescale_rnd(c->frames, c->sys->time_base.num,
c->sys->time_base.den, AV_ROUND_DOWN);
brktimegm(ct, &tc);
@@ -219,22 +219,22 @@ static void dv_inject_metadata(DVMuxContext *c, uint8_t* frame)
/* DV subcode: 2nd and 3d DIFs */
for (j = 80; j < 80 * 3; j += 80) {
for (k = 6; k < 6 * 8; k += 8)
dv_write_pack(dv_timecode, c, &buf[j+k], 0, seq);
dv_write_pack(DV_TIMECODE, c, &buf[j+k], 0, seq);
if (((long)(buf-frame)/(c->sys->frame_size/(c->sys->difseg_size*c->sys->n_difchan))%c->sys->difseg_size) > 5) { /* FIXME: is this really needed ? */
dv_write_pack(dv_video_recdate, c, &buf[j+14], 0, seq);
dv_write_pack(dv_video_rectime, c, &buf[j+22], 0, seq);
dv_write_pack(dv_video_recdate, c, &buf[j+38], 0, seq);
dv_write_pack(dv_video_rectime, c, &buf[j+46], 0, seq);
dv_write_pack(DV_VIDEO_RECDATE, c, &buf[j+14], 0, seq);
dv_write_pack(DV_VIDEO_RECTIME, c, &buf[j+22], 0, seq);
dv_write_pack(DV_VIDEO_RECDATE, c, &buf[j+38], 0, seq);
dv_write_pack(DV_VIDEO_RECTIME, c, &buf[j+46], 0, seq);
}
}
/* DV VAUX: 4th, 5th and 6th 3DIFs */
for (j = 80*3 + 3; j < 80*6; j += 80) {
dv_write_pack(dv_video_recdate, c, &buf[j+5* 2], 0, seq);
dv_write_pack(dv_video_rectime, c, &buf[j+5* 3], 0, seq);
dv_write_pack(dv_video_recdate, c, &buf[j+5*11], 0, seq);
dv_write_pack(dv_video_rectime, c, &buf[j+5*12], 0, seq);
dv_write_pack(DV_VIDEO_RECDATE, c, &buf[j+5* 2], 0, seq);
dv_write_pack(DV_VIDEO_RECTIME, c, &buf[j+5* 3], 0, seq);
dv_write_pack(DV_VIDEO_RECDATE, c, &buf[j+5*11], 0, seq);
dv_write_pack(DV_VIDEO_RECTIME, c, &buf[j+5*12], 0, seq);
}
}
}