* @file
* DV codec.
*/
-#define ALT_BITSTREAM_READER
+
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
+#include "internal.h"
#include "put_bits.h"
#include "simple_idct.h"
#include "dvdata.h"
+#include "dvquant.h"
#include "dv_tablegen.h"
//#undef NDEBUG
dv_rl_vlc[i].level = level;
dv_rl_vlc[i].run = run;
}
- free_vlc(&dv_vlc);
+ ff_free_vlc(&dv_vlc);
dv_vlc_map_tableinit();
}
/* Generic DSP setup */
- dsputil_init(&dsp, avctx);
+ ff_dsputil_init(&dsp, avctx);
ff_set_cmp(&dsp, dsp.ildct_cmp, avctx->ildct_cmp);
s->get_pixels = dsp.get_pixels;
s->ildct_cmp = dsp.ildct_cmp[5];
static av_cold int dvvideo_init_encoder(AVCodecContext *avctx)
{
- if (!ff_dv_codec_profile(avctx)) {
+ if (!avpriv_dv_codec_profile(avctx)) {
av_log(avctx, AV_LOG_ERROR, "Found no DV profile for %ix%i %s video\n",
avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
return -1;
uint8_t pos; /* position in block */
void (*idct_put)(uint8_t *dest, int line_size, DCTELEM *block);
uint8_t partial_bit_count;
- uint16_t partial_bit_buffer;
+ uint32_t partial_bit_buffer;
int shift_offset;
} BlockInfo;
/* if we must parse a partial VLC, we do it here */
if (partial_bit_count > 0) {
- re_cache = ((unsigned)re_cache >> partial_bit_count) |
- (mb->partial_bit_buffer << (sizeof(re_cache) * 8 - partial_bit_count));
+ re_cache = re_cache >> partial_bit_count | mb->partial_bit_buffer;
re_index -= partial_bit_count;
mb->partial_bit_count = 0;
}
if (re_index + vlc_len > last_index) {
/* should be < 16 bits otherwise a codeword could have been parsed */
mb->partial_bit_count = last_index - re_index;
- mb->partial_bit_buffer = NEG_USR32(re_cache, mb->partial_bit_count);
+ mb->partial_bit_buffer = re_cache & ~(-1u >> mb->partial_bit_count);
re_index = last_index;
break;
}
block = block1;
mb = mb1;
init_get_bits(&gb, mb_bit_buffer, put_bits_count(&pb));
- put_bits32(&pb, 0); // padding must be zero'ed
+ put_bits32(&pb, 0); // padding must be zeroed
flush_put_bits(&pb);
for (j = 0; j < s->sys->bpm; j++, block += 64, mb++) {
if (mb->pos < 64 && get_bits_left(&gb) > 0) {
block = &sblock[0][0];
mb = mb_data;
init_get_bits(&gb, vs_bit_buffer, put_bits_count(&vs_pb));
- put_bits32(&vs_pb, 0); // padding must be zero'ed
+ put_bits32(&vs_pb, 0); // padding must be zeroed
flush_put_bits(&vs_pb);
for (mb_index = 0; mb_index < 5; mb_index++) {
for (j = 0; j < s->sys->bpm; j++) {
if (ps > 0) {
int is = s->ildct_cmp(NULL, data , NULL, linesize<<1, 4) +
s->ildct_cmp(NULL, data + linesize, NULL, linesize<<1, 4);
- return (ps > is);
+ return ps > is;
}
}
const uint8_t* vsc_pack;
int apt, is16_9;
- s->sys = ff_dv_frame_profile(s->sys, buf, buf_size);
+ s->sys = avpriv_dv_frame_profile(s->sys, buf, buf_size);
if (!s->sys || buf_size < s->sys->frame_size || dv_init_dynamic_tables(s->sys)) {
av_log(avctx, AV_LOG_ERROR, "could not find dv frame profile\n");
return -1; /* NOTE: we only accept several full frames */
}
#if CONFIG_DVVIDEO_ENCODER
+static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,
+ uint8_t seq_num, uint8_t dif_num,
+ uint8_t* buf)
+{
+ buf[0] = (uint8_t)t; /* Section type */
+ buf[1] = (seq_num << 4) | /* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */
+ (chan_num << 3) | /* FSC: for 50Mb/s 0 - first channel; 1 - second */
+ 7; /* reserved -- always 1 */
+ buf[2] = dif_num; /* DIF block number Video: 0-134, Audio: 0-8 */
+ return 3;
+}
+
+
+static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t* buf)
+{
+ if (syb_num == 0 || syb_num == 6) {
+ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
+ (0 << 4) | /* AP3 (Subcode application ID) */
+ 0x0f; /* reserved -- always 1 */
+ }
+ else if (syb_num == 11) {
+ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
+ 0x7f; /* reserved -- always 1 */
+ }
+ else {
+ buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
+ (0 << 4) | /* APT (Track application ID) */
+ 0x0f; /* reserved -- always 1 */
+ }
+ buf[1] = 0xf0 | /* reserved -- always 1 */
+ (syb_num & 0x0f); /* SSYB number 0 - 11 */
+ buf[2] = 0xff; /* reserved -- always 1 */
+ return 3;
+}
+
static void dv_format_frame(DVVideoContext* c, uint8_t* buf)
{
int chan, i, j, k;
}
-static int dvvideo_encode_frame(AVCodecContext *c, uint8_t *buf, int buf_size,
- void *data)
+static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
{
DVVideoContext *s = c->priv_data;
+ int ret;
- s->sys = ff_dv_codec_profile(c);
- if (!s->sys || buf_size < s->sys->frame_size || dv_init_dynamic_tables(s->sys))
+ s->sys = avpriv_dv_codec_profile(c);
+ if (!s->sys || dv_init_dynamic_tables(s->sys))
return -1;
+ if ((ret = ff_alloc_packet(pkt, s->sys->frame_size)) < 0) {
+ av_log(c, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
c->pix_fmt = s->sys->pix_fmt;
- s->picture = *((AVFrame *)data);
+ s->picture = *frame;
s->picture.key_frame = 1;
s->picture.pict_type = AV_PICTURE_TYPE_I;
- s->buf = buf;
+ s->buf = pkt->data;
c->execute(c, dv_encode_video_segment, s->sys->work_chunks, NULL,
dv_work_pool_size(s->sys), sizeof(DVwork_chunk));
emms_c();
- dv_format_frame(s, buf);
+ dv_format_frame(s, pkt->data);
- return s->sys->frame_size;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+
+ return 0;
}
#endif
#if CONFIG_DVVIDEO_ENCODER
AVCodec ff_dvvideo_encoder = {
- "dvvideo",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_DVVIDEO,
- sizeof(DVVideoContext),
- dvvideo_init_encoder,
- dvvideo_encode_frame,
+ .name = "dvvideo",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_DVVIDEO,
+ .priv_data_size = sizeof(DVVideoContext),
+ .init = dvvideo_init_encoder,
+ .encode2 = dvvideo_encode_frame,
.capabilities = CODEC_CAP_SLICE_THREADS,
.pix_fmts = (const enum PixelFormat[]) {PIX_FMT_YUV411P, PIX_FMT_YUV422P, PIX_FMT_YUV420P, PIX_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
#if CONFIG_DVVIDEO_DECODER
AVCodec ff_dvvideo_decoder = {
- "dvvideo",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_DVVIDEO,
- sizeof(DVVideoContext),
- dvvideo_init,
- NULL,
- dvvideo_close,
- dvvideo_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
- NULL,
+ .name = "dvvideo",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_DVVIDEO,
+ .priv_data_size = sizeof(DVVideoContext),
+ .init = dvvideo_init,
+ .close = dvvideo_close,
+ .decode = dvvideo_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_SLICE_THREADS,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
};
projects / ffmpeg / blobdiff