i += i;
}
- av_assert2(k<=13);
+ av_assert2(k <= 13);
#if 0 // JPEG LS
if (k == 0 && 2 * state->drift <= -state->count)
int lbd = s->avctx->bits_per_raw_sample <= 8;
int bits = s->avctx->bits_per_raw_sample > 0 ? s->avctx->bits_per_raw_sample : 8;
int offset = 1 << bits;
+
s->run_index = 0;
- memset(s->sample_buffer, 0, ring_size * 4 * (w + 6) * sizeof(*s->sample_buffer));
+ memset(s->sample_buffer, 0, ring_size * MAX_PLANES *
+ (w + 6) * sizeof(*s->sample_buffer));
for (y = 0; y < h; y++) {
for (i = 0; i < ring_size; i++)
- for (p = 0; p < 4; p++)
+ for (p = 0; p < MAX_PLANES; p++)
sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
for (x = 0; x < w; x++) {
sample[p][0][-1] = sample[p][1][0 ];
sample[p][1][ w] = sample[p][1][w-1];
if (lbd)
- encode_line(s, w, sample[p], (p+1)/2, 9);
+ encode_line(s, w, sample[p], (p + 1) / 2, 9);
else
- encode_line(s, w, sample[p], (p+1)/2, bits+1);
+ encode_line(s, w, sample[p], (p + 1) / 2, bits + 1);
}
}
}
}
}
-static int write_extra_header(FFV1Context *f)
+static int write_extradata(FFV1Context *f)
{
RangeCoder *const c = &f->c;
uint8_t state[CONTEXT_SIZE];
memset(state2, 128, sizeof(state2));
memset(state, 128, sizeof(state));
- f->avctx->extradata = av_malloc(f->avctx->extradata_size = 10000 +
- (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32);
+ f->avctx->extradata_size = 10000 + 4 +
+ (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
+ f->avctx->extradata = av_malloc(f->avctx->extradata_size);
ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);
ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
f->minor_version = 2;
put_symbol(c, state, f->minor_version, 0);
}
+
put_symbol(c, state, f->ac, 0);
if (f->ac > 1)
for (i = 1; i < 256; i++)
put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);
+
put_symbol(c, state, f->colorspace, 0); // YUV cs type
put_symbol(c, state, f->bits_per_raw_sample, 0);
put_rac(c, state, f->chroma_planes);
static av_cold int encode_init(AVCodecContext *avctx)
{
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
FFV1Context *s = avctx->priv_data;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
int i, j, k, m, ret;
ffv1_common_init(avctx);
p->context_count = s->context_count[p->quant_table_index];
}
- if (ffv1_allocate_initial_states(s) < 0)
- return AVERROR(ENOMEM);
+ if ((ret = ffv1_allocate_initial_states(s)) < 0)
+ return ret;
avctx->coded_frame = &s->picture;
if (!s->transparency)
goto slices_ok;
}
}
- av_log(avctx, AV_LOG_ERROR, "Unsupported number %d of slices requested, please specify a supported number with -slices (ex:4,6,9,12,16, ...)\n", avctx->slices);
- return -1;
- slices_ok:
- write_extra_header(s);
+ av_log(avctx, AV_LOG_ERROR,
+ "Unsupported number %d of slices requested, please specify a "
+ "supported number with -slices (ex:4,6,9,12,16, ...)\n",
+ avctx->slices);
+ return AVERROR(ENOSYS);
+slices_ok:
+ write_extradata(s);
}
if ((ret = ffv1_init_slice_contexts(s)) < 0)
put_symbol(c, state, f->plane[j].quant_table_index, 0);
av_assert0(f->plane[j].quant_table_index == f->avctx->context_model);
}
- if (!f->picture.interlaced_frame) put_symbol(c, state, 3, 0);
- else put_symbol(c, state, 1 + !f->picture.top_field_first, 0);
+ if (!f->picture.interlaced_frame)
+ put_symbol(c, state, 3, 0);
+ else
+ put_symbol(c, state, 1 + !f->picture.top_field_first, 0);
put_symbol(c, state, f->picture.sample_aspect_ratio.num, 0);
put_symbol(c, state, f->picture.sample_aspect_ratio.den, 0);
}
}
if (!fs->ac) {
if (f->version > 2)
- put_rac(&fs->c, (uint8_t[]) {129}, 0);
- fs->ac_byte_count = f->version > 2 || (!x&&!y) ? ff_rac_terminate(&fs->c) : 0;
- init_put_bits(&fs->pb, fs->c.bytestream_start + fs->ac_byte_count, fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count);
+ put_rac(&fs->c, (uint8_t[]) { 129 }, 0);
+ fs->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&fs->c) : 0;
+ init_put_bits(&fs->pb,
+ fs->c.bytestream_start + fs->ac_byte_count,
+ fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count);
}
if (f->colorspace == 0) {
int bytes;
if (fs->ac) {
- uint8_t state=129;
+ uint8_t state = 129;
put_rac(&fs->c, &state, 0);
bytes = ff_rac_terminate(&fs->c);
} else {
flush_put_bits(&fs->pb); // FIXME: nicer padding
- bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7)/8;
+ bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7) / 8;
}
if (i > 0 || f->version > 2) {
av_assert0(bytes < pkt->size / f->slice_count);
unsigned v;
buf_p[bytes++] = 0;
v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes);
- AV_WL32(buf_p + bytes, v); bytes += 4;
+ AV_WL32(buf_p + bytes, v);
+ bytes += 4;
}
buf_p += bytes;
}
#define OFFSET(x) offsetof(FFV1Context, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
- { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
-{NULL}
+ { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
+ { NULL }
};
static const AVClass class = {
};
static const AVCodecDefault ffv1_defaults[] = {
- { "coder", "-1" },
+ { "coder", "-1" },
{ NULL },
};
.encode2 = encode_frame,
.close = ffv1_close,
.capabilities = CODEC_CAP_SLICE_THREADS,
- .defaults = ffv1_defaults,
.pix_fmts = (const enum AVPixelFormat[]) {
- AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P,
- AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P,
- AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16,
- AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9,
- AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
- AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
- AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P,
+ AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16,
+ AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9,
+ AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
+ AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
+ AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
AV_PIX_FMT_NONE
+
},
.long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
+ .defaults = ffv1_defaults,
.priv_class = &class,
};
projects / ffmpeg / blobdiff