* DV encoder
*/
+#include "config.h"
+
#include "libavutil/attributes.h"
#include "libavutil/pixdesc.h"
-#include "config.h"
+
#include "avcodec.h"
+#include "dv.h"
+#include "dv_profile_internal.h"
+#include "dv_tablegen.h"
#include "fdctdsp.h"
#include "internal.h"
#include "me_cmp.h"
#include "pixblockdsp.h"
#include "put_bits.h"
-#include "dv.h"
-#include "dv_tablegen.h"
-#include "dv_profile_internal.h"
static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{
PixblockDSPContext pdsp;
int ret;
- s->sys = avpriv_dv_codec_profile(avctx);
+ s->sys = av_dv_codec_profile(avctx->width, avctx->height, avctx->pix_fmt);
if (!s->sys) {
av_log(avctx, AV_LOG_ERROR, "Found no DV profile for %ix%i %s video. "
- "Valid DV profiles are:\n",
+ "Valid DV profiles are:\n",
avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
ff_dv_print_profiles(avctx, AV_LOG_ERROR);
return AVERROR(EINVAL);
return ret;
}
- avctx->coded_frame = av_frame_alloc();
- if (!avctx->coded_frame)
- return AVERROR(ENOMEM);
-
dv_vlc_map_tableinit();
ff_fdctdsp_init(&fdsp, avctx);
}
/* bit budget for AC only in 5 MBs */
-static const int vs_total_ac_bits = (100 * 4 + 68*2) * 5;
+static const int vs_total_ac_bits = (100 * 4 + 68 * 2) * 5;
static const int mb_area_start[5] = { 1, 6, 21, 43, 64 };
#if CONFIG_SMALL
-/* Converts run and level (where level != 0) pair into VLC, returning bit size */
-static av_always_inline int dv_rl2vlc(int run, int level, int sign, uint32_t* vlc)
+/* Convert run and level (where level != 0) pair into VLC, returning bit size */
+static av_always_inline int dv_rl2vlc(int run, int level, int sign,
+ uint32_t *vlc)
{
int size;
if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) {
*vlc = dv_vlc_map[run][level].vlc | sign;
size = dv_vlc_map[run][level].size;
- }
- else {
+ } else {
if (level < DV_VLC_MAP_LEV_SIZE) {
*vlc = dv_vlc_map[0][level].vlc | sign;
size = dv_vlc_map[0][level].size;
size = 16;
}
if (run) {
- *vlc |= ((run < 16) ? dv_vlc_map[run-1][0].vlc :
- (0x1f80 | (run - 1))) << size;
- size += (run < 16) ? dv_vlc_map[run-1][0].size : 13;
+ *vlc |= ((run < 16) ? dv_vlc_map[run - 1][0].vlc :
+ (0x1f80 | (run - 1))) << size;
+ size += (run < 16) ? dv_vlc_map[run - 1][0].size : 13;
}
}
if (run < DV_VLC_MAP_RUN_SIZE && level < DV_VLC_MAP_LEV_SIZE) {
size = dv_vlc_map[run][level].size;
- }
- else {
+ } else {
size = (level < DV_VLC_MAP_LEV_SIZE) ? dv_vlc_map[0][level].size : 16;
- if (run) {
- size += (run < 16) ? dv_vlc_map[run-1][0].size : 13;
- }
+ if (run)
+ size += (run < 16) ? dv_vlc_map[run - 1][0].size : 13;
}
return size;
}
#else
-static av_always_inline int dv_rl2vlc(int run, int l, int sign, uint32_t* vlc)
+static av_always_inline int dv_rl2vlc(int run, int l, int sign, uint32_t *vlc)
{
*vlc = dv_vlc_map[run][l].vlc | sign;
return dv_vlc_map[run][l].size;
uint32_t partial_bit_buffer; /* we can't use uint16_t here */
} EncBlockInfo;
-static av_always_inline PutBitContext* dv_encode_ac(EncBlockInfo* bi,
- PutBitContext* pb_pool,
- PutBitContext* pb_end)
+static av_always_inline PutBitContext *dv_encode_ac(EncBlockInfo *bi,
+ PutBitContext *pb_pool,
+ PutBitContext *pb_end)
{
int prev, bits_left;
- PutBitContext* pb = pb_pool;
- int size = bi->partial_bit_count;
- uint32_t vlc = bi->partial_bit_buffer;
-
- bi->partial_bit_count = bi->partial_bit_buffer = 0;
- for (;;){
- /* Find suitable storage space */
- for (; size > (bits_left = put_bits_left(pb)); pb++) {
- if (bits_left) {
- size -= bits_left;
- put_bits(pb, bits_left, vlc >> size);
- vlc = vlc & ((1 << size) - 1);
- }
- if (pb + 1 >= pb_end) {
- bi->partial_bit_count = size;
- bi->partial_bit_buffer = vlc;
- return pb;
- }
- }
-
- /* Store VLC */
- put_bits(pb, size, vlc);
-
- if (bi->cur_ac >= 64)
- break;
-
- /* Construct the next VLC */
- prev = bi->cur_ac;
- bi->cur_ac = bi->next[prev];
- if (bi->cur_ac < 64){
- size = dv_rl2vlc(bi->cur_ac - prev - 1, bi->mb[bi->cur_ac], bi->sign[bi->cur_ac], &vlc);
- } else {
- size = 4; vlc = 6; /* End Of Block stamp */
- }
+ PutBitContext *pb = pb_pool;
+ int size = bi->partial_bit_count;
+ uint32_t vlc = bi->partial_bit_buffer;
+
+ bi->partial_bit_count =
+ bi->partial_bit_buffer = 0;
+ for (;;) {
+ /* Find suitable storage space */
+ for (; size > (bits_left = put_bits_left(pb)); pb++) {
+ if (bits_left) {
+ size -= bits_left;
+ put_bits(pb, bits_left, vlc >> size);
+ vlc = vlc & ((1 << size) - 1);
+ }
+ if (pb + 1 >= pb_end) {
+ bi->partial_bit_count = size;
+ bi->partial_bit_buffer = vlc;
+ return pb;
+ }
+ }
+
+ /* Store VLC */
+ put_bits(pb, size, vlc);
+
+ if (bi->cur_ac >= 64)
+ break;
+
+ /* Construct the next VLC */
+ prev = bi->cur_ac;
+ bi->cur_ac = bi->next[prev];
+ if (bi->cur_ac < 64) {
+ size = dv_rl2vlc(bi->cur_ac - prev - 1, bi->mb[bi->cur_ac],
+ bi->sign[bi->cur_ac], &vlc);
+ } else {
+ size = 4;
+ vlc = 6; /* End Of Block stamp */
+ }
}
return pb;
}
-static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data, int linesize) {
+static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, uint8_t *data,
+ int linesize)
+{
if (s->avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
int ps = s->ildct_cmp(NULL, data, NULL, linesize, 8) - 400;
if (ps > 0) {
- int is = s->ildct_cmp(NULL, data , NULL, linesize<<1, 4) +
- s->ildct_cmp(NULL, data + linesize, NULL, linesize<<1, 4);
+ int is = s->ildct_cmp(NULL, data, NULL, linesize << 1, 4) +
+ s->ildct_cmp(NULL, data + linesize, NULL, linesize << 1, 4);
return ps > is;
}
}
static const int dv_weight_bits = 18;
static const int dv_weight_88[64] = {
- 131072, 257107, 257107, 242189, 252167, 242189, 235923, 237536,
- 237536, 235923, 229376, 231390, 223754, 231390, 229376, 222935,
- 224969, 217965, 217965, 224969, 222935, 200636, 218652, 211916,
- 212325, 211916, 218652, 200636, 188995, 196781, 205965, 206433,
- 206433, 205965, 196781, 188995, 185364, 185364, 200636, 200704,
- 200636, 185364, 185364, 174609, 180568, 195068, 195068, 180568,
- 174609, 170091, 175557, 189591, 175557, 170091, 165371, 170627,
- 170627, 165371, 160727, 153560, 160727, 144651, 144651, 136258,
+ 131072, 257107, 257107, 242189, 252167, 242189, 235923, 237536,
+ 237536, 235923, 229376, 231390, 223754, 231390, 229376, 222935,
+ 224969, 217965, 217965, 224969, 222935, 200636, 218652, 211916,
+ 212325, 211916, 218652, 200636, 188995, 196781, 205965, 206433,
+ 206433, 205965, 196781, 188995, 185364, 185364, 200636, 200704,
+ 200636, 185364, 185364, 174609, 180568, 195068, 195068, 180568,
+ 174609, 170091, 175557, 189591, 175557, 170091, 165371, 170627,
+ 170627, 165371, 160727, 153560, 160727, 144651, 144651, 136258,
};
static const int dv_weight_248[64] = {
- 131072, 242189, 257107, 237536, 229376, 200636, 242189, 223754,
- 224969, 196781, 262144, 242189, 229376, 200636, 257107, 237536,
- 211916, 185364, 235923, 217965, 229376, 211916, 206433, 180568,
- 242189, 223754, 224969, 196781, 211916, 185364, 235923, 217965,
- 200704, 175557, 222935, 205965, 200636, 185364, 195068, 170627,
- 229376, 211916, 206433, 180568, 200704, 175557, 222935, 205965,
- 175557, 153560, 188995, 174609, 165371, 144651, 200636, 185364,
- 195068, 170627, 175557, 153560, 188995, 174609, 165371, 144651,
+ 131072, 242189, 257107, 237536, 229376, 200636, 242189, 223754,
+ 224969, 196781, 262144, 242189, 229376, 200636, 257107, 237536,
+ 211916, 185364, 235923, 217965, 229376, 211916, 206433, 180568,
+ 242189, 223754, 224969, 196781, 211916, 185364, 235923, 217965,
+ 200704, 175557, 222935, 205965, 200636, 185364, 195068, 170627,
+ 229376, 211916, 206433, 180568, 200704, 175557, 222935, 205965,
+ 175557, 153560, 188995, 174609, 165371, 144651, 200636, 185364,
+ 195068, 170627, 175557, 153560, 188995, 174609, 165371, 144651,
};
-static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, int linesize, DVVideoContext *s, int bias)
+static av_always_inline int dv_init_enc_block(EncBlockInfo *bi, uint8_t *data,
+ int linesize, DVVideoContext *s,
+ int bias)
{
const int *weight;
- const uint8_t* zigzag_scan;
+ const uint8_t *zigzag_scan;
LOCAL_ALIGNED_16(int16_t, blk, [64]);
int i, area;
/* We offer two different methods for class number assignment: the
- method suggested in SMPTE 314M Table 22, and an improved
- method. The SMPTE method is very conservative; it assigns class
- 3 (i.e. severe quantization) to any block where the largest AC
- component is greater than 36. Libav's DV encoder tracks AC bit
- consumption precisely, so there is no need to bias most blocks
- towards strongly lossy compression. Instead, we assign class 2
- to most blocks, and use class 3 only when strictly necessary
- (for blocks whose largest AC component exceeds 255). */
+ * method suggested in SMPTE 314M Table 22, and an improved
+ * method. The SMPTE method is very conservative; it assigns class
+ * 3 (i.e. severe quantization) to any block where the largest AC
+ * component is greater than 36. Libav's DV encoder tracks AC bit
+ * consumption precisely, so there is no need to bias most blocks
+ * towards strongly lossy compression. Instead, we assign class 2
+ * to most blocks, and use class 3 only when strictly necessary
+ * (for blocks whose largest AC component exceeds 255). */
#if 0 /* SMPTE spec method */
- static const int classes[] = {12, 24, 36, 0xffff};
+ static const int classes[] = { 12, 24, 36, 0xffff };
#else /* improved Libav method */
- static const int classes[] = {-1, -1, 255, 0xffff};
+ static const int classes[] = { -1, -1, 255, 0xffff };
#endif
int max = classes[0];
int prev = 0;
- assert((((int)blk) & 15) == 0);
+ assert((((int) blk) & 15) == 0);
- bi->area_q[0] = bi->area_q[1] = bi->area_q[2] = bi->area_q[3] = 0;
- bi->partial_bit_count = 0;
+ bi->area_q[0] =
+ bi->area_q[1] =
+ bi->area_q[2] =
+ bi->area_q[3] = 0;
+ bi->partial_bit_count = 0;
bi->partial_bit_buffer = 0;
- bi->cur_ac = 0;
+ bi->cur_ac = 0;
if (data) {
bi->dct_mode = dv_guess_dct_mode(s, data, linesize);
s->get_pixels(blk, data, linesize);
s->fdct[bi->dct_mode](blk);
} else {
- /* We rely on the fact that encoding all zeros leads to an immediate EOB,
- which is precisely what the spec calls for in the "dummy" blocks. */
- memset(blk, 0, 64*sizeof(*blk));
+ /* We rely on the fact that encoding all zeros leads to an immediate
+ * EOB, which is precisely what the spec calls for in the "dummy"
+ * blocks. */
+ memset(blk, 0, 64 * sizeof(*blk));
bi->dct_mode = 0;
}
bi->mb[0] = blk[0];
zigzag_scan = bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct;
- weight = bi->dct_mode ? dv_weight_248 : dv_weight_88;
+ weight = bi->dct_mode ? dv_weight_248 : dv_weight_88;
for (area = 0; area < 4; area++) {
- bi->prev[area] = prev;
- bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :)
- for (i = mb_area_start[area]; i < mb_area_start[area+1]; i++) {
- int level = blk[zigzag_scan[i]];
-
- if (level + 15 > 30U) {
- bi->sign[i] = (level >> 31) & 1;
- /* weight it and and shift down into range, adding for rounding */
- /* the extra division by a factor of 2^4 reverses the 8x expansion of the DCT
- AND the 2x doubling of the weights */
- level = (FFABS(level) * weight[i] + (1 << (dv_weight_bits+3))) >> (dv_weight_bits+4);
- bi->mb[i] = level;
- if (level > max)
- max = level;
- bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, level);
- bi->next[prev]= i;
- prev = i;
- }
- }
+ bi->prev[area] = prev;
+ bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :)
+ for (i = mb_area_start[area]; i < mb_area_start[area + 1]; i++) {
+ int level = blk[zigzag_scan[i]];
+
+ if (level + 15 > 30U) {
+ bi->sign[i] = (level >> 31) & 1;
+ /* Weight it and and shift down into range, adding for rounding.
+ * The extra division by a factor of 2^4 reverses the 8x
+ * expansion of the DCT AND the 2x doubling of the weights. */
+ level = (FFABS(level) * weight[i] + (1 << (dv_weight_bits + 3))) >>
+ (dv_weight_bits + 4);
+ bi->mb[i] = level;
+ if (level > max)
+ max = level;
+ bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, level);
+ bi->next[prev] = i;
+ prev = i;
+ }
+ }
}
- bi->next[prev]= i;
- for (bi->cno = 0; max > classes[bi->cno]; bi->cno++);
+ bi->next[prev] = i;
+ for (bi->cno = 0; max > classes[bi->cno]; bi->cno++)
+ ;
bi->cno += bias;
for (area = 0; area < 4; area++) {
bi->prev[area] = prev;
bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :)
- for (; i < mb_area_start[area+1]; i = bi->next[i]) {
+ for (; i < mb_area_start[area + 1]; i = bi->next[i]) {
bi->mb[i] >>= 1;
if (bi->mb[i]) {
bi->bit_size[area] += dv_rl2vlc_size(i - prev - 1, bi->mb[i]);
- bi->next[prev]= i;
- prev = i;
+ bi->next[prev] = i;
+ prev = i;
}
}
}
- bi->next[prev]= i;
+ bi->next[prev] = i;
}
- return bi->bit_size[0] + bi->bit_size[1] + bi->bit_size[2] + bi->bit_size[3];
+ return bi->bit_size[0] + bi->bit_size[1] +
+ bi->bit_size[2] + bi->bit_size[3];
}
-static inline void dv_guess_qnos(EncBlockInfo* blks, int* qnos)
+static inline void dv_guess_qnos(EncBlockInfo *blks, int *qnos)
{
int size[5];
int i, j, k, a, prev, a2;
- EncBlockInfo* b;
+ EncBlockInfo *b;
- size[0] = size[1] = size[2] = size[3] = size[4] = 1 << 24;
+ size[0] =
+ size[1] =
+ size[2] =
+ size[3] =
+ size[4] = 1 << 24;
do {
- b = blks;
- for (i = 0; i < 5; i++) {
- if (!qnos[i])
- continue;
-
- qnos[i]--;
- size[i] = 0;
- for (j = 0; j < 6; j++, b++) {
- for (a = 0; a < 4; a++) {
- if (b->area_q[a] != ff_dv_quant_shifts[qnos[i] + ff_dv_quant_offset[b->cno]][a]) {
- b->bit_size[a] = 1; // 4 areas 4 bits for EOB :)
- b->area_q[a]++;
- prev = b->prev[a];
- assert(b->next[prev] >= mb_area_start[a+1] || b->mb[prev]);
- for (k = b->next[prev] ; k < mb_area_start[a+1]; k = b->next[k]) {
- b->mb[k] >>= 1;
- if (b->mb[k]) {
- b->bit_size[a] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
- prev = k;
- } else {
- if (b->next[k] >= mb_area_start[a+1] && b->next[k]<64){
- for (a2 = a + 1; b->next[k] >= mb_area_start[a2+1]; a2++)
+ b = blks;
+ for (i = 0; i < 5; i++) {
+ if (!qnos[i])
+ continue;
+
+ qnos[i]--;
+ size[i] = 0;
+ for (j = 0; j < 6; j++, b++) {
+ for (a = 0; a < 4; a++) {
+ if (b->area_q[a] != ff_dv_quant_shifts[qnos[i] + ff_dv_quant_offset[b->cno]][a]) {
+ b->bit_size[a] = 1; // 4 areas 4 bits for EOB :)
+ b->area_q[a]++;
+ prev = b->prev[a];
+ assert(b->next[prev] >= mb_area_start[a + 1] || b->mb[prev]);
+ for (k = b->next[prev]; k < mb_area_start[a + 1]; k = b->next[k]) {
+ b->mb[k] >>= 1;
+ if (b->mb[k]) {
+ b->bit_size[a] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
+ prev = k;
+ } else {
+ if (b->next[k] >= mb_area_start[a + 1] && b->next[k] < 64) {
+ for (a2 = a + 1; b->next[k] >= mb_area_start[a2 + 1]; a2++)
+ b->prev[a2] = prev;
+ assert(a2 < 4);
+ assert(b->mb[b->next[k]]);
+ b->bit_size[a2] += dv_rl2vlc_size(b->next[k] - prev - 1, b->mb[b->next[k]]) -
+ dv_rl2vlc_size(b->next[k] - k - 1, b->mb[b->next[k]]);
+ assert(b->prev[a2] == k && (a2 + 1 >= 4 || b->prev[a2 + 1] != k));
b->prev[a2] = prev;
- assert(a2 < 4);
- assert(b->mb[b->next[k]]);
- b->bit_size[a2] += dv_rl2vlc_size(b->next[k] - prev - 1, b->mb[b->next[k]])
- -dv_rl2vlc_size(b->next[k] - k - 1, b->mb[b->next[k]]);
- assert(b->prev[a2] == k && (a2 + 1 >= 4 || b->prev[a2+1] != k));
- b->prev[a2] = prev;
- }
- b->next[prev] = b->next[k];
- }
+ }
+ b->next[prev] = b->next[k];
+ }
+ }
+ b->prev[a + 1] = prev;
}
- b->prev[a+1]= prev;
+ size[i] += b->bit_size[a];
}
- size[i] += b->bit_size[a];
- }
- }
- if (vs_total_ac_bits >= size[0] + size[1] + size[2] + size[3] + size[4])
+ }
+ if (vs_total_ac_bits >= size[0] + size[1] + size[2] + size[3] + size[4])
return;
- }
- } while (qnos[0]|qnos[1]|qnos[2]|qnos[3]|qnos[4]);
-
+ }
+ } while (qnos[0] | qnos[1] | qnos[2] | qnos[3] | qnos[4]);
- for (a = 2; a == 2 || vs_total_ac_bits < size[0]; a += a){
- b = blks;
- size[0] = 5 * 6 * 4; //EOB
- for (j = 0; j < 6 *5; j++, b++) {
+ for (a = 2; a == 2 || vs_total_ac_bits < size[0]; a += a) {
+ b = blks;
+ size[0] = 5 * 6 * 4; // EOB
+ for (j = 0; j < 6 * 5; j++, b++) {
prev = b->prev[0];
for (k = b->next[prev]; k < 64; k = b->next[k]) {
- if (b->mb[k] < a && b->mb[k] > -a){
+ if (b->mb[k] < a && b->mb[k] > -a) {
b->next[prev] = b->next[k];
- }else{
+ } else {
size[0] += dv_rl2vlc_size(k - prev - 1, b->mb[k]);
- prev = k;
+ prev = k;
}
}
}
DVwork_chunk *work_chunk = arg;
int mb_index, i, j;
int mb_x, mb_y, c_offset, linesize, y_stride;
- uint8_t* y_ptr;
- uint8_t* dif;
+ uint8_t *y_ptr;
+ uint8_t *dif;
LOCAL_ALIGNED_8(uint8_t, scratch, [128]);
- EncBlockInfo enc_blks[5*DV_MAX_BPM];
- PutBitContext pbs[5*DV_MAX_BPM];
- PutBitContext* pb;
- EncBlockInfo* enc_blk;
- int vs_bit_size = 0;
- int qnos[5] = {15, 15, 15, 15, 15}; /* No quantization */
- int* qnosp = &qnos[0];
-
- dif = &s->buf[work_chunk->buf_offset*80];
+ EncBlockInfo enc_blks[5 * DV_MAX_BPM];
+ PutBitContext pbs[5 * DV_MAX_BPM];
+ PutBitContext *pb;
+ EncBlockInfo *enc_blk;
+ int vs_bit_size = 0;
+ int qnos[5] = { 15, 15, 15, 15, 15 }; /* No quantization */
+ int *qnosp = &qnos[0];
+
+ dif = &s->buf[work_chunk->buf_offset * 80];
enc_blk = &enc_blks[0];
for (mb_index = 0; mb_index < 5; mb_index++) {
dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y);
/* initializing luminance blocks */
- if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||
+ if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) ||
(s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) ||
(s->sys->height >= 720 && mb_y != 134)) {
y_stride = s->frame->linesize[0] << 3;
} else {
y_stride = 16;
}
- y_ptr = s->frame->data[0] + ((mb_y * s->frame->linesize[0] + mb_x) << 3);
+ y_ptr = s->frame->data[0] +
+ ((mb_y * s->frame->linesize[0] + mb_x) << 3);
linesize = s->frame->linesize[0];
if (s->sys->video_stype == 4) { /* SD 422 */
vs_bit_size +=
- dv_init_enc_block(enc_blk+0, y_ptr , linesize, s, 0) +
- dv_init_enc_block(enc_blk+1, NULL , linesize, s, 0) +
- dv_init_enc_block(enc_blk+2, y_ptr + 8 , linesize, s, 0) +
- dv_init_enc_block(enc_blk+3, NULL , linesize, s, 0);
+ dv_init_enc_block(enc_blk + 0, y_ptr, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 1, NULL, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 2, y_ptr + 8, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 3, NULL, linesize, s, 0);
} else {
vs_bit_size +=
- dv_init_enc_block(enc_blk+0, y_ptr , linesize, s, 0) +
- dv_init_enc_block(enc_blk+1, y_ptr + 8 , linesize, s, 0) +
- dv_init_enc_block(enc_blk+2, y_ptr + y_stride, linesize, s, 0) +
- dv_init_enc_block(enc_blk+3, y_ptr + 8 + y_stride, linesize, s, 0);
+ dv_init_enc_block(enc_blk + 0, y_ptr, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 1, y_ptr + 8, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 2, y_ptr + y_stride, linesize, s, 0) +
+ dv_init_enc_block(enc_blk + 3, y_ptr + 8 + y_stride, linesize, s, 0);
}
enc_blk += 4;
linesize = s->frame->linesize[j];
y_stride = (mb_y == 134) ? 8 : (s->frame->linesize[j] << 3);
if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) {
- uint8_t* d;
- uint8_t* b = scratch;
+ uint8_t *d;
+ uint8_t *b = scratch;
for (i = 0; i < 8; i++) {
- d = c_ptr + (linesize << 3);
- b[0] = c_ptr[0]; b[1] = c_ptr[1]; b[2] = c_ptr[2]; b[3] = c_ptr[3];
- b[4] = d[0]; b[5] = d[1]; b[6] = d[2]; b[7] = d[3];
+ d = c_ptr + (linesize << 3);
+ b[0] = c_ptr[0];
+ b[1] = c_ptr[1];
+ b[2] = c_ptr[2];
+ b[3] = c_ptr[3];
+ b[4] = d[0];
+ b[5] = d[1];
+ b[6] = d[2];
+ b[7] = d[3];
c_ptr += linesize;
- b += 16;
+ b += 16;
}
- c_ptr = scratch;
+ c_ptr = scratch;
linesize = 16;
}
- vs_bit_size += dv_init_enc_block( enc_blk++, c_ptr , linesize, s, 1);
- if (s->sys->bpm == 8) {
- vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr + y_stride, linesize, s, 1);
- }
+ vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr, linesize, s, 1);
+ if (s->sys->bpm == 8)
+ vs_bit_size += dv_init_enc_block(enc_blk++, c_ptr + y_stride,
+ linesize, s, 1);
}
}
dv_guess_qnos(&enc_blks[0], qnosp);
/* DIF encoding process */
- for (j=0; j<5*s->sys->bpm;) {
+ for (j = 0; j < 5 * s->sys->bpm;) {
int start_mb = j;
dif[3] = *qnosp++;
- dif += 4;
+ dif += 4;
/* First pass over individual cells only */
- for (i=0; i<s->sys->bpm; i++, j++) {
- int sz = s->sys->block_sizes[i]>>3;
+ for (i = 0; i < s->sys->bpm; i++, j++) {
+ int sz = s->sys->block_sizes[i] >> 3;
init_put_bits(&pbs[j], dif, sz);
put_sbits(&pbs[j], 9, ((enc_blks[j].mb[0] >> 3) - 1024 + 2) >> 2);
put_bits(&pbs[j], 1, enc_blks[j].dct_mode);
put_bits(&pbs[j], 2, enc_blks[j].cno);
- dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j+1]);
+ dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j + 1]);
dif += sz;
}
/* Second pass over each MB space */
pb = &pbs[start_mb];
- for (i=0; i<s->sys->bpm; i++) {
- if (enc_blks[start_mb+i].partial_bit_count)
- pb = dv_encode_ac(&enc_blks[start_mb+i], pb, &pbs[start_mb+s->sys->bpm]);
- }
+ for (i = 0; i < s->sys->bpm; i++)
+ if (enc_blks[start_mb + i].partial_bit_count)
+ pb = dv_encode_ac(&enc_blks[start_mb + i], pb,
+ &pbs[start_mb + s->sys->bpm]);
}
/* Third and final pass over the whole video segment space */
pb = &pbs[0];
- for (j=0; j<5*s->sys->bpm; j++) {
- if (enc_blks[j].partial_bit_count)
- pb = dv_encode_ac(&enc_blks[j], pb, &pbs[s->sys->bpm*5]);
- if (enc_blks[j].partial_bit_count)
+ for (j = 0; j < 5 * s->sys->bpm; j++) {
+ if (enc_blks[j].partial_bit_count)
+ pb = dv_encode_ac(&enc_blks[j], pb, &pbs[s->sys->bpm * 5]);
+ if (enc_blks[j].partial_bit_count)
av_log(avctx, AV_LOG_ERROR, "ac bitstream overflow\n");
}
- for (j=0; j<5*s->sys->bpm; j++) {
- int pos;
- int size = pbs[j].size_in_bits >> 3;
- flush_put_bits(&pbs[j]);
- pos = put_bits_count(&pbs[j]) >> 3;
- if (pos > size) {
- av_log(avctx, AV_LOG_ERROR, "bitstream written beyond buffer size\n");
- return -1;
- }
- memset(pbs[j].buf + pos, 0xff, size - pos);
+ for (j = 0; j < 5 * s->sys->bpm; j++) {
+ int pos;
+ int size = pbs[j].size_in_bits >> 3;
+ flush_put_bits(&pbs[j]);
+ pos = put_bits_count(&pbs[j]) >> 3;
+ if (pos > size) {
+ av_log(avctx, AV_LOG_ERROR,
+ "bitstream written beyond buffer size\n");
+ return -1;
+ }
+ memset(pbs[j].buf + pos, 0xff, size - pos);
}
return 0;
}
static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
- uint8_t* buf)
+ uint8_t *buf)
{
/*
* Here's what SMPTE314M says about these two:
* 2. It is not at all clear what STYPE is used for 4:2:0 PAL
* compression scheme (if any).
*/
- int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1);
+ int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1);
uint8_t aspect = 0;
- if ((int)(av_q2d(c->avctx->sample_aspect_ratio) * c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */
+ if ((int) (av_q2d(c->avctx->sample_aspect_ratio) *
+ c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */
aspect = 0x02;
- buf[0] = (uint8_t)pack_id;
+ 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 */
- buf[1] = 0xf8 | /* reserved -- always 1 */
- (apt & 0x07); /* APT: Track application ID */
- buf[2] = (0 << 7) | /* TF1: audio data is 0 - valid; 1 - invalid */
- (0x0f << 3) | /* reserved -- always 1 */
- (apt & 0x07); /* AP1: Audio application ID */
- buf[3] = (0 << 7) | /* TF2: video data is 0 - valid; 1 - invalid */
- (0x0f << 3) | /* reserved -- always 1 */
- (apt & 0x07); /* AP2: Video application ID */
- buf[4] = (0 << 7) | /* TF3: subcode(SSYB) is 0 - valid; 1 - invalid */
- (0x0f << 3) | /* reserved -- always 1 */
- (apt & 0x07); /* AP3: Subcode application ID */
- break;
+ buf[1] = 0xf8 | /* reserved -- always 1 */
+ (apt & 0x07); /* APT: Track application ID */
+ buf[2] = (0 << 7) | /* TF1: audio data is 0 - valid; 1 - invalid */
+ (0x0f << 3) | /* reserved -- always 1 */
+ (apt & 0x07); /* AP1: Audio application ID */
+ buf[3] = (0 << 7) | /* TF2: video data is 0 - valid; 1 - invalid */
+ (0x0f << 3) | /* reserved -- always 1 */
+ (apt & 0x07); /* AP2: Video application ID */
+ buf[4] = (0 << 7) | /* TF3: subcode(SSYB) is 0 - valid; 1 - invalid */
+ (0x0f << 3) | /* reserved -- always 1 */
+ (apt & 0x07); /* AP3: Subcode application ID */
+ break;
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 */
- (3 << 4) | /* CLF: color frames ID (see ITU-R BT.470-4) */
- 0xf; /* reserved -- always 1 */
- buf[3] = (3 << 6) | /* reserved -- always 1 */
- (c->sys->dsf << 5) | /* system: 60fields/50fields */
- c->sys->video_stype; /* signal type video compression */
- buf[4] = 0xff; /* VISC: 0xff -- no information */
- break;
+ 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 */
+ (3 << 4) | /* CLF: color frames ID (see ITU-R BT.470-4) */
+ 0xf; /* reserved -- always 1 */
+ buf[3] = (3 << 6) | /* reserved -- always 1 */
+ (c->sys->dsf << 5) | /* system: 60fields/50fields */
+ c->sys->video_stype; /* signal type video compression */
+ buf[4] = 0xff; /* VISC: 0xff -- no information */
+ break;
case dv_video_control:
- buf[1] = (0 << 6) | /* Copy generation management (CGMS) 0 -- free */
- 0x3f; /* reserved -- always 1 */
- buf[2] = 0xc8 | /* reserved -- always b11001xxx */
- aspect;
- buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */
- (1 << 6) | /* first/second field flag 0 -- field 2, 1 -- field 1 */
- (1 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */
- (1 << 4) | /* 1 - interlaced, 0 - noninterlaced */
- 0xc; /* reserved -- always b1100 */
- buf[4] = 0xff; /* reserved -- always 1 */
- break;
+ buf[1] = (0 << 6) | /* Copy generation management (CGMS) 0 -- free */
+ 0x3f; /* reserved -- always 1 */
+ buf[2] = 0xc8 | /* reserved -- always b11001xxx */
+ aspect;
+ buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */
+ (1 << 6) | /* first/second field flag 0 -- field 2, 1 -- field 1 */
+ (1 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */
+ (1 << 4) | /* 1 - interlaced, 0 - noninterlaced */
+ 0xc; /* reserved -- always b1100 */
+ buf[4] = 0xff; /* reserved -- always 1 */
+ break;
default:
- buf[1] = buf[2] = buf[3] = buf[4] = 0xff;
+ buf[1] =
+ buf[2] =
+ buf[3] =
+ buf[4] = 0xff;
}
return 5;
}
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)
+ uint8_t *buf)
{
- buf[0] = (uint8_t)t; /* Section type */
+ 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 */
return 3;
}
-
-static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t* buf)
+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) {
+ } else if (syb_num == 11) {
buf[0] = (fr << 7) | /* FR ID 1 - first half of each channel; 0 - second */
0x7f; /* reserved -- always 1 */
- }
- else {
+ } 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 */
return 3;
}
-static void dv_format_frame(DVVideoContext* c, uint8_t* buf)
+static void dv_format_frame(DVVideoContext *c, uint8_t *buf)
{
int chan, i, j, k;
/* DV header: 1DIF */
buf += dv_write_dif_id(dv_sect_header, chan, i, 0, buf);
- buf += dv_write_pack((c->sys->dsf ? dv_header625 : dv_header525), c, 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, i, j, buf);
for (k = 0; k < 6; k++)
- buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size/2), buf) + 5;
+ buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size / 2), buf) + 5;
buf += 29; /* unused bytes */
}
buf += dv_write_dif_id(dv_sect_vaux, chan, 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 += 7 * 5;
buf += dv_write_pack(dv_video_source, c, buf);
buf += dv_write_pack(dv_video_control, c, buf);
- buf += 4*5 + 2; /* unused bytes */
+ buf += 4 * 5 + 2; /* unused bytes */
}
/* DV Audio/Video: 135 Video DIFs + 9 Audio DIFs */
for (j = 0; j < 135; j++) {
- if (j%15 == 0) {
+ if (j % 15 == 0) {
memset(buf, 0xff, 80);
- buf += dv_write_dif_id(dv_sect_audio, chan, i, j/15, buf);
+ buf += dv_write_dif_id(dv_sect_audio, chan, i, j / 15, buf);
buf += 77; /* audio control & shuffled PCM audio */
}
buf += dv_write_dif_id(dv_sect_video, chan, i, j, buf);
buf += 77; /* 1 video macroblock: 1 bytes control
- 4 * 14 bytes Y 8x8 data
- 10 bytes Cr 8x8 data
- 10 bytes Cb 8x8 data */
+ * 4 * 14 bytes Y 8x8 data
+ * 10 bytes Cr 8x8 data
+ * 10 bytes Cb 8x8 data */
}
}
}
}
-
static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
c->pix_fmt = s->sys->pix_fmt;
s->frame = frame;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
c->coded_frame->key_frame = 1;
c->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
s->buf = pkt->data;
c->execute(c, dv_encode_video_segment, s->work_chunks, NULL,
return 0;
}
-static int dvvideo_encode_close(AVCodecContext *avctx)
-{
- av_frame_free(&avctx->coded_frame);
- return 0;
-}
-
AVCodec ff_dvvideo_encoder = {
.name = "dvvideo",
.long_name = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
.priv_data_size = sizeof(DVVideoContext),
.init = dvvideo_encode_init,
.encode2 = dvvideo_encode_frame,
- .close = dvvideo_encode_close,
.capabilities = CODEC_CAP_SLICE_THREADS,
.pix_fmts = (const enum AVPixelFormat[]) {
- AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
+ AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
},
};
projects / ffmpeg / blobdiff