diff options
Diffstat (limited to 'libavcodec/ffv1dec.c')
| -rw-r--r-- | libavcodec/ffv1dec.c | 679 |
1 files changed, 415 insertions, 264 deletions
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 703491e..b10e212 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -1,22 +1,22 @@ /* * FFV1 decoder * - * Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at> + * Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -26,15 +26,14 @@ */ #include "libavutil/avassert.h" -#include "libavutil/pixdesc.h" #include "libavutil/crc.h" #include "libavutil/opt.h" #include "libavutil/imgutils.h" +#include "libavutil/pixdesc.h" #include "libavutil/timer.h" #include "avcodec.h" #include "internal.h" #include "get_bits.h" -#include "put_bits.h" #include "rangecoder.h" #include "golomb.h" #include "mathops.h" @@ -77,8 +76,6 @@ static inline int get_vlc_symbol(GetBitContext *gb, VlcState *const state, i += i; } - assert(k <= 8); - v = get_sr_golomb(gb, k, 12, bits); av_dlog(NULL, "v:%d bias:%d error:%d drift:%d count:%d k:%d", v, state->bias, state->error_sum, state->drift, state->count, k); @@ -108,6 +105,19 @@ static av_always_inline void decode_line(FFV1Context *s, int w, int run_mode = 0; int run_index = s->run_index; + if (s->slice_coding_mode == 1) { + int i; + for (x = 0; x < w; x++) { + int v = 0; + for (i=0; i<bits; i++) { + uint8_t state = 128; + v += v + get_rac(c, &state); + } + sample[1][x] = v; + } + return; + } + for (x = 0; x < w; x++) { int diff, context, sign; @@ -195,29 +205,27 @@ static void decode_plane(FFV1Context *s, uint8_t *src, for (x = 0; x < w; x++) src[x + stride * y] = sample[1][x]; } else { - decode_line(s, w, sample, plane_index, - s->avctx->bits_per_raw_sample); + decode_line(s, w, sample, plane_index, s->avctx->bits_per_raw_sample); if (s->packed_at_lsb) { - for (x = 0; x < w; x++) - ((uint16_t *)(src + stride * y))[x] = sample[1][x]; + for (x = 0; x < w; x++) { + ((uint16_t*)(src + stride*y))[x] = sample[1][x]; + } } else { - for (x = 0; x < w; x++) - ((uint16_t *)(src + stride * y))[x] = sample[1][x] << (16 - s->avctx->bits_per_raw_sample); + for (x = 0; x < w; x++) { + ((uint16_t*)(src + stride*y))[x] = sample[1][x] << (16 - s->avctx->bits_per_raw_sample); + } } } // STOP_TIMER("decode-line") } } } -static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, - int stride[3]) +static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3]) { int x, y, p; int16_t *sample[4][2]; - 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 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; for (x = 0; x < 4; x++) { @@ -231,17 +239,17 @@ static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, for (y = 0; y < h; y++) { for (p = 0; p < 3 + s->transparency; p++) { - int16_t *temp = sample[p][0]; //FIXME try a normal buffer + int16_t *temp = sample[p][0]; // FIXME: try a normal buffer sample[p][0] = sample[p][1]; sample[p][1] = temp; - sample[p][1][-1] = sample[p][0][0]; - sample[p][0][w] = sample[p][0][w - 1]; - if (lbd) - decode_line(s, w, sample[p], (p + 1) / 2, 9); + sample[p][1][-1]= sample[p][0][0 ]; + sample[p][0][ w]= sample[p][0][w-1]; + if (lbd && s->slice_coding_mode == 0) + decode_line(s, w, sample[p], (p + 1)/2, 9); else - decode_line(s, w, sample[p], (p + 1) / 2, bits + 1); + decode_line(s, w, sample[p], (p + 1)/2, bits + (s->slice_coding_mode != 1)); } for (x = 0; x < w; x++) { int g = sample[0][1][x]; @@ -249,19 +257,20 @@ static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int r = sample[2][1][x]; int a = sample[3][1][x]; - b -= offset; - r -= offset; - g -= (b + r) >> 2; - b += g; - r += g; + if (s->slice_coding_mode != 1) { + b -= offset; + r -= offset; + g -= (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2; + b += g; + r += g; + } if (lbd) - *((uint32_t *)(src[0] + x * 4 + stride[0] * y)) = b + - (g << 8) + (r << 16) + (a << 24); + *((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + (g<<8) + (r<<16) + (a<<24); else { - *((uint16_t *)(src[0] + x * 2 + stride[0] * y)) = b; - *((uint16_t *)(src[1] + x * 2 + stride[1] * y)) = g; - *((uint16_t *)(src[2] + x * 2 + stride[2] * y)) = r; + *((uint16_t*)(src[0] + x*2 + stride[0]*y)) = b; + *((uint16_t*)(src[1] + x*2 + stride[1]*y)) = g; + *((uint16_t*)(src[2] + x*2 + stride[2]*y)) = r; } } } @@ -274,35 +283,29 @@ static int decode_slice_header(FFV1Context *f, FFV1Context *fs) unsigned ps, i, context_count; memset(state, 128, sizeof(state)); - if (fs->ac > 1) { - for (i = 1; i < 256; i++) { - fs->c.one_state[i] = f->state_transition[i]; - fs->c.zero_state[256 - i] = 256 - fs->c.one_state[i]; - } - } + av_assert0(f->version > 2); - fs->slice_x = get_symbol(c, state, 0) * f->width; - fs->slice_y = get_symbol(c, state, 0) * f->height; - fs->slice_width = (get_symbol(c, state, 0) + 1) * f->width + fs->slice_x; + fs->slice_x = get_symbol(c, state, 0) * f->width ; + fs->slice_y = get_symbol(c, state, 0) * f->height; + fs->slice_width = (get_symbol(c, state, 0) + 1) * f->width + fs->slice_x; fs->slice_height = (get_symbol(c, state, 0) + 1) * f->height + fs->slice_y; - fs->slice_x /= f->num_h_slices; - fs->slice_y /= f->num_v_slices; - fs->slice_width = fs->slice_width / f->num_h_slices - fs->slice_x; - fs->slice_height = fs->slice_height / f->num_v_slices - fs->slice_y; - if ((unsigned)fs->slice_width > f->width || - (unsigned)fs->slice_height > f->height) - return AVERROR_INVALIDDATA; - if ((unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width || - (unsigned)fs->slice_y + (uint64_t)fs->slice_height > f->height) - return AVERROR_INVALIDDATA; + fs->slice_x /= f->num_h_slices; + fs->slice_y /= f->num_v_slices; + fs->slice_width = fs->slice_width /f->num_h_slices - fs->slice_x; + fs->slice_height = fs->slice_height/f->num_v_slices - fs->slice_y; + if ((unsigned)fs->slice_width > f->width || (unsigned)fs->slice_height > f->height) + return -1; + if ( (unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width + || (unsigned)fs->slice_y + (uint64_t)fs->slice_height > f->height) + return -1; for (i = 0; i < f->plane_count; i++) { - PlaneContext *const p = &fs->plane[i]; - int idx = get_symbol(c, state, 0); + PlaneContext * const p = &fs->plane[i]; + int idx = get_symbol(c, state, 0); if (idx > (unsigned)f->quant_table_count) { av_log(f->avctx, AV_LOG_ERROR, "quant_table_index out of range\n"); - return AVERROR_INVALIDDATA; + return -1; } p->quant_table_index = idx; memcpy(p->quant_table, f->quant_tables[idx], sizeof(p->quant_table)); @@ -336,20 +339,72 @@ static int decode_slice_header(FFV1Context *f, FFV1Context *fs) f->cur->sample_aspect_ratio = (AVRational){ 0, 1 }; } + if (fs->version > 3) { + fs->slice_reset_contexts = get_rac(c, state); + fs->slice_coding_mode = get_symbol(c, state, 0); + if (fs->slice_coding_mode != 1) { + fs->slice_rct_by_coef = get_symbol(c, state, 0); + fs->slice_rct_ry_coef = get_symbol(c, state, 0); + if ((uint64_t)fs->slice_rct_by_coef + (uint64_t)fs->slice_rct_ry_coef > 4) { + av_log(f->avctx, AV_LOG_ERROR, "slice_rct_y_coef out of range\n"); + return AVERROR_INVALIDDATA; + } + } + } + return 0; } static int decode_slice(AVCodecContext *c, void *arg) { - FFV1Context *fs = *(void **)arg; - FFV1Context *f = fs->avctx->priv_data; + FFV1Context *fs = *(void **)arg; + FFV1Context *f = fs->avctx->priv_data; int width, height, x, y, ret; - const int ps = (av_pix_fmt_desc_get(c->pix_fmt)->flags & AV_PIX_FMT_FLAG_PLANAR) - ? (c->bits_per_raw_sample > 8) + 1 - : 4; - AVFrame *const p = f->cur; + const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1; + AVFrame * const p = f->cur; + int i, si; + + for( si=0; fs != f->slice_context[si]; si ++) + ; + + if(f->fsrc && !p->key_frame) + ff_thread_await_progress(&f->last_picture, si, 0); + + if(f->fsrc && !p->key_frame) { + FFV1Context *fssrc = f->fsrc->slice_context[si]; + FFV1Context *fsdst = f->slice_context[si]; + av_assert1(fsdst->plane_count == fssrc->plane_count); + av_assert1(fsdst == fs); + + if (!p->key_frame) + fsdst->slice_damaged |= fssrc->slice_damaged; + + for (i = 0; i < f->plane_count; i++) { + PlaneContext *psrc = &fssrc->plane[i]; + PlaneContext *pdst = &fsdst->plane[i]; + + av_free(pdst->state); + av_free(pdst->vlc_state); + memcpy(pdst, psrc, sizeof(*pdst)); + pdst->state = NULL; + pdst->vlc_state = NULL; + + if (fssrc->ac) { + pdst->state = av_malloc_array(CONTEXT_SIZE, psrc->context_count); + memcpy(pdst->state, psrc->state, CONTEXT_SIZE * psrc->context_count); + } else { + pdst->vlc_state = av_malloc_array(sizeof(*pdst->vlc_state), psrc->context_count); + memcpy(pdst->vlc_state, psrc->vlc_state, sizeof(*pdst->vlc_state) * psrc->context_count); + } + } + } + + fs->slice_rct_by_coef = 1; + fs->slice_rct_ry_coef = 1; if (f->version > 2) { + if (ffv1_init_slice_state(f, fs) < 0) + return AVERROR(ENOMEM); if (decode_slice_header(f, fs) < 0) { fs->slice_damaged = 1; return AVERROR_INVALIDDATA; @@ -357,44 +412,37 @@ static int decode_slice(AVCodecContext *c, void *arg) } if ((ret = ffv1_init_slice_state(f, fs)) < 0) return ret; - if (f->cur->key_frame) + if (f->cur->key_frame || fs->slice_reset_contexts) ffv1_clear_slice_state(f, fs); + width = fs->slice_width; height = fs->slice_height; x = fs->slice_x; y = fs->slice_y; if (!fs->ac) { - if (f->version == 3 && f->minor_version > 1 || f->version > 3) + if (f->version == 3 && f->micro_version > 1 || f->version > 3) get_rac(&fs->c, (uint8_t[]) { 129 }); fs->ac_byte_count = f->version > 2 || (!x && !y) ? fs->c.bytestream - fs->c.bytestream_start - 1 : 0; - init_get_bits(&fs->gb, fs->c.bytestream_start + fs->ac_byte_count, - (fs->c.bytestream_end - fs->c.bytestream_start - - fs->ac_byte_count) * 8); + init_get_bits(&fs->gb, + fs->c.bytestream_start + fs->ac_byte_count, + (fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count) * 8); } av_assert1(width && height); if (f->colorspace == 0) { - const int chroma_width = -((-width) >> f->chroma_h_shift); - const int chroma_height = -((-height) >> f->chroma_v_shift); + const int chroma_width = FF_CEIL_RSHIFT(width, f->chroma_h_shift); + const int chroma_height = FF_CEIL_RSHIFT(height, f->chroma_v_shift); const int cx = x >> f->chroma_h_shift; const int cy = y >> f->chroma_v_shift; - decode_plane(fs, p->data[0] + ps * x + y * p->linesize[0], width, - height, p->linesize[0], - 0); + decode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0); if (f->chroma_planes) { - decode_plane(fs, p->data[1] + ps * cx + cy * p->linesize[1], - chroma_width, chroma_height, p->linesize[1], - 1); - decode_plane(fs, p->data[2] + ps * cx + cy * p->linesize[2], - chroma_width, chroma_height, p->linesize[2], - 1); + decode_plane(fs, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1); + decode_plane(fs, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1); } if (fs->transparency) - decode_plane(fs, p->data[3] + ps * x + y * p->linesize[3], width, - height, p->linesize[3], - 2); + decode_plane(fs, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2); } else { uint8_t *planes[3] = { p->data[0] + ps * x + y * p->linesize[0], p->data[1] + ps * x + y * p->linesize[1], @@ -404,16 +452,17 @@ static int decode_slice(AVCodecContext *c, void *arg) if (fs->ac && f->version > 2) { int v; get_rac(&fs->c, (uint8_t[]) { 129 }); - v = fs->c.bytestream_end - fs->c.bytestream - 2 - 5 * f->ec; + v = fs->c.bytestream_end - fs->c.bytestream - 2 - 5*f->ec; if (v) { - av_log(f->avctx, AV_LOG_ERROR, "bytestream end mismatching by %d\n", - v); + av_log(f->avctx, AV_LOG_ERROR, "bytestream end mismatching by %d\n", v); fs->slice_damaged = 1; } } emms_c(); + ff_thread_report_progress(&f->picture, si, 0); + return 0; } @@ -429,7 +478,7 @@ static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale) unsigned len = get_symbol(c, state, 0) + 1; if (len > 128 - i) - return -1; + return AVERROR_INVALIDDATA; while (len--) { quant_table[i] = scale * v; @@ -453,7 +502,7 @@ static int read_quant_tables(RangeCoder *c, for (i = 0; i < 5; i++) { context_count *= read_quant_table(c, quant_table[i], context_count); if (context_count > 32768U) { - return -1; + return AVERROR_INVALIDDATA; } } return (context_count + 1) / 2; @@ -473,12 +522,15 @@ static int read_extra_header(FFV1Context *f) ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); f->version = get_symbol(c, state, 0); + if (f->version < 2) { + av_log(f->avctx, AV_LOG_ERROR, "Invalid version in global header\n"); + return AVERROR_INVALIDDATA; + } if (f->version > 2) { c->bytestream_end -= 4; - f->minor_version = get_symbol(c, state, 0); + f->micro_version = get_symbol(c, state, 0); } f->ac = f->avctx->coder_type = get_symbol(c, state, 0); - if (f->ac > 1) { for (i = 1; i < 256; i++) f->state_transition[i] = get_symbol(c, state, 1) + c->one_state[i]; @@ -490,19 +542,21 @@ static int read_extra_header(FFV1Context *f) f->chroma_h_shift = get_symbol(c, state, 0); f->chroma_v_shift = get_symbol(c, state, 0); f->transparency = get_rac(c, state); - f->plane_count = 2 + f->transparency; + f->plane_count = 1 + (f->chroma_planes || f->version<4) + f->transparency; f->num_h_slices = 1 + get_symbol(c, state, 0); f->num_v_slices = 1 + get_symbol(c, state, 0); - if (f->num_h_slices > (unsigned)f->width || - f->num_v_slices > (unsigned)f->height) { - av_log(f->avctx, AV_LOG_ERROR, "too many slices\n"); + if (f->num_h_slices > (unsigned)f->width || !f->num_h_slices || + f->num_v_slices > (unsigned)f->height || !f->num_v_slices + ) { + av_log(f->avctx, AV_LOG_ERROR, "slice count invalid\n"); return AVERROR_INVALIDDATA; } f->quant_table_count = get_symbol(c, state, 0); if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES) return AVERROR_INVALIDDATA; + for (i = 0; i < f->quant_table_count; i++) { f->context_count[i] = read_quant_tables(c, f->quant_tables[i]); if (f->context_count[i] < 0) { @@ -525,6 +579,8 @@ static int read_extra_header(FFV1Context *f) if (f->version > 2) { f->ec = get_symbol(c, state, 0); + if (f->micro_version > 2) + f->intra = get_symbol(c, state, 0); } if (f->version > 2) { @@ -537,138 +593,135 @@ static int read_extra_header(FFV1Context *f) } } + if (f->avctx->debug & FF_DEBUG_PICT_INFO) + av_log(f->avctx, AV_LOG_DEBUG, + "global: ver:%d.%d, coder:%d, colorspace: %d bpr:%d chroma:%d(%d:%d), alpha:%d slices:%dx%d qtabs:%d ec:%d intra:%d\n", + f->version, f->micro_version, + f->ac, + f->colorspace, + f->avctx->bits_per_raw_sample, + f->chroma_planes, f->chroma_h_shift, f->chroma_v_shift, + f->transparency, + f->num_h_slices, f->num_v_slices, + f->quant_table_count, + f->ec, + f->intra + ); return 0; } - static int read_header(FFV1Context *f) { uint8_t state[CONTEXT_SIZE]; - int i, j, context_count = -1; + int i, j, context_count = -1; //-1 to avoid warning RangeCoder *const c = &f->slice_context[0]->c; memset(state, 128, sizeof(state)); if (f->version < 2) { - unsigned v = get_symbol(c, state, 0); - if (v > 1) { - av_log(f->avctx, AV_LOG_ERROR, - "invalid version %d in version 1 header\n", v); + int chroma_planes, chroma_h_shift, chroma_v_shift, transparency, colorspace, bits_per_raw_sample; + unsigned v= get_symbol(c, state, 0); + if (v >= 2) { + av_log(f->avctx, AV_LOG_ERROR, "invalid version %d in ver01 header\n", v); return AVERROR_INVALIDDATA; } f->version = v; - - f->ac = f->avctx->coder_type = get_symbol(c, state, 0); - + f->ac = f->avctx->coder_type = get_symbol(c, state, 0); if (f->ac > 1) { for (i = 1; i < 256; i++) - f->state_transition[i] = - get_symbol(c, state, 1) + c->one_state[i]; + f->state_transition[i] = get_symbol(c, state, 1) + c->one_state[i]; } - f->colorspace = get_symbol(c, state, 0); //YUV cs type + colorspace = get_symbol(c, state, 0); //YUV cs type + bits_per_raw_sample = f->version > 0 ? get_symbol(c, state, 0) : f->avctx->bits_per_raw_sample; + chroma_planes = get_rac(c, state); + chroma_h_shift = get_symbol(c, state, 0); + chroma_v_shift = get_symbol(c, state, 0); + transparency = get_rac(c, state); + + if (f->plane_count) { + if ( colorspace != f->colorspace + || bits_per_raw_sample != f->avctx->bits_per_raw_sample + || chroma_planes != f->chroma_planes + || chroma_h_shift!= f->chroma_h_shift + || chroma_v_shift!= f->chroma_v_shift + || transparency != f->transparency) { + av_log(f->avctx, AV_LOG_ERROR, "Invalid change of global parameters\n"); + return AVERROR_INVALIDDATA; + } + } - if (f->version > 0) - f->avctx->bits_per_raw_sample = get_symbol(c, state, 0); + f->colorspace = colorspace; + f->avctx->bits_per_raw_sample = bits_per_raw_sample; + f->chroma_planes = chroma_planes; + f->chroma_h_shift = chroma_h_shift; + f->chroma_v_shift = chroma_v_shift; + f->transparency = transparency; - f->chroma_planes = get_rac(c, state); - f->chroma_h_shift = get_symbol(c, state, 0); - f->chroma_v_shift = get_symbol(c, state, 0); - f->transparency = get_rac(c, state); f->plane_count = 2 + f->transparency; } if (f->colorspace == 0) { + if (f->avctx->skip_alpha) f->transparency = 0; if (!f->transparency && !f->chroma_planes) { if (f->avctx->bits_per_raw_sample <= 8) f->avctx->pix_fmt = AV_PIX_FMT_GRAY8; else f->avctx->pix_fmt = AV_PIX_FMT_GRAY16; - } else if (f->avctx->bits_per_raw_sample <= 8 && !f->transparency) { - switch (16 * f->chroma_h_shift + f->chroma_v_shift) { - case 0x00: - f->avctx->pix_fmt = AV_PIX_FMT_YUV444P; - break; - case 0x01: - f->avctx->pix_fmt = AV_PIX_FMT_YUV440P; - break; - case 0x10: - f->avctx->pix_fmt = AV_PIX_FMT_YUV422P; - break; - case 0x11: - f->avctx->pix_fmt = AV_PIX_FMT_YUV420P; - break; - case 0x20: - f->avctx->pix_fmt = AV_PIX_FMT_YUV411P; - break; - case 0x22: - f->avctx->pix_fmt = AV_PIX_FMT_YUV410P; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); - return AVERROR(ENOSYS); + } else if (f->avctx->bits_per_raw_sample<=8 && !f->transparency) { + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P; break; + case 0x01: f->avctx->pix_fmt = AV_PIX_FMT_YUV440P; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P; break; + case 0x20: f->avctx->pix_fmt = AV_PIX_FMT_YUV411P; break; + case 0x22: f->avctx->pix_fmt = AV_PIX_FMT_YUV410P; break; } } else if (f->avctx->bits_per_raw_sample <= 8 && f->transparency) { - switch (16 * f->chroma_h_shift + f->chroma_v_shift) { - case 0x00: - f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P; - break; - case 0x10: - f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P; - break; - case 0x11: - f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); - return AVERROR(ENOSYS); + switch(16*f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P; break; } - } else if (f->avctx->bits_per_raw_sample == 9) { + } else if (f->avctx->bits_per_raw_sample == 9 && !f->transparency) { f->packed_at_lsb = 1; - switch (16 * f->chroma_h_shift + f->chroma_v_shift) { - case 0x00: - f->avctx->pix_fmt = AV_PIX_FMT_YUV444P9; - break; - case 0x10: - f->avctx->pix_fmt = AV_PIX_FMT_YUV422P9; - break; - case 0x11: - f->avctx->pix_fmt = AV_PIX_FMT_YUV420P9; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); - return AVERROR(ENOSYS); + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P9; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P9; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P9; break; } - } else if (f->avctx->bits_per_raw_sample == 10) { + } else if (f->avctx->bits_per_raw_sample == 9 && f->transparency) { f->packed_at_lsb = 1; - switch (16 * f->chroma_h_shift + f->chroma_v_shift) { - case 0x00: - f->avctx->pix_fmt = AV_PIX_FMT_YUV444P10; - break; - case 0x10: - f->avctx->pix_fmt = AV_PIX_FMT_YUV422P10; - break; - case 0x11: - f->avctx->pix_fmt = AV_PIX_FMT_YUV420P10; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); - return AVERROR(ENOSYS); + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P9; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P9; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P9; break; } - } else { - switch (16 * f->chroma_h_shift + f->chroma_v_shift) { - case 0x00: - f->avctx->pix_fmt = AV_PIX_FMT_YUV444P16; - break; - case 0x10: - f->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; - break; - case 0x11: - f->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); - return AVERROR(ENOSYS); + } else if (f->avctx->bits_per_raw_sample == 10 && !f->transparency) { + f->packed_at_lsb = 1; + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P10; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P10; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P10; break; + } + } else if (f->avctx->bits_per_raw_sample == 10 && f->transparency) { + f->packed_at_lsb = 1; + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P10; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P10; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P10; break; + } + } else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency){ + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P16; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; break; + } + } else if (f->avctx->bits_per_raw_sample == 16 && f->transparency){ + switch(16 * f->chroma_h_shift + f->chroma_v_shift) { + case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P16; break; + case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P16; break; + case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P16; break; } } } else if (f->colorspace == 1) { @@ -677,27 +730,25 @@ static int read_header(FFV1Context *f) "chroma subsampling not supported in this colorspace\n"); return AVERROR(ENOSYS); } - switch (f->avctx->bits_per_raw_sample) { - case 0: - case 8: - f->avctx->pix_fmt = AV_PIX_FMT_RGB32; - break; - case 9: + if ( f->avctx->bits_per_raw_sample == 9) f->avctx->pix_fmt = AV_PIX_FMT_GBRP9; - break; - case 10: + else if (f->avctx->bits_per_raw_sample == 10) f->avctx->pix_fmt = AV_PIX_FMT_GBRP10; - break; - default: - av_log(f->avctx, AV_LOG_ERROR, - "bit depth %d not supported\n", - f->avctx->bits_per_raw_sample); - return AVERROR(ENOSYS); - } + else if (f->avctx->bits_per_raw_sample == 12) + f->avctx->pix_fmt = AV_PIX_FMT_GBRP12; + else if (f->avctx->bits_per_raw_sample == 14) + f->avctx->pix_fmt = AV_PIX_FMT_GBRP14; + else + if (f->transparency) f->avctx->pix_fmt = AV_PIX_FMT_RGB32; + else f->avctx->pix_fmt = AV_PIX_FMT_0RGB32; } else { av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n"); return AVERROR(ENOSYS); } + if (f->avctx->pix_fmt == AV_PIX_FMT_NONE) { + av_log(f->avctx, AV_LOG_ERROR, "format not supported\n"); + return AVERROR(ENOSYS); + } av_dlog(f->avctx, "%d %d %d\n", f->chroma_h_shift, f->chroma_v_shift, f->avctx->pix_fmt); @@ -714,16 +765,15 @@ static int read_header(FFV1Context *f) for (f->slice_count = 0; f->slice_count < MAX_SLICES && 3 < p - c->bytestream_start; f->slice_count++) { - int trailer = 3 + 5 * !!f->ec; - int size = AV_RB24(p - trailer); + int trailer = 3 + 5*!!f->ec; + int size = AV_RB24(p-trailer); if (size + trailer > p - c->bytestream_start) break; p -= size + trailer; } } if (f->slice_count > (unsigned)MAX_SLICES || f->slice_count <= 0) { - av_log(f->avctx, AV_LOG_ERROR, "slice count %d is invalid\n", - f->slice_count); + av_log(f->avctx, AV_LOG_ERROR, "slice count %d is invalid\n", f->slice_count); return AVERROR_INVALIDDATA; } @@ -735,23 +785,20 @@ static int read_header(FFV1Context *f) fs->slice_damaged = 0; if (f->version == 2) { - fs->slice_x = get_symbol(c, state, 0) * f->width; - fs->slice_y = get_symbol(c, state, 0) * f->height; - fs->slice_width = - (get_symbol(c, state, 0) + 1) * f->width + fs->slice_x; - fs->slice_height = - (get_symbol(c, state, 0) + 1) * f->height + fs->slice_y; - - fs->slice_x /= f->num_h_slices; - fs->slice_y /= f->num_v_slices; + fs->slice_x = get_symbol(c, state, 0) * f->width ; + fs->slice_y = get_symbol(c, state, 0) * f->height; + fs->slice_width = (get_symbol(c, state, 0) + 1) * f->width + fs->slice_x; + fs->slice_height = (get_symbol(c, state, 0) + 1) * f->height + fs->slice_y; + + fs->slice_x /= f->num_h_slices; + fs->slice_y /= f->num_v_slices; fs->slice_width = fs->slice_width / f->num_h_slices - fs->slice_x; fs->slice_height = fs->slice_height / f->num_v_slices - fs->slice_y; - if ((unsigned)fs->slice_width > f->width || + if ((unsigned)fs->slice_width > f->width || (unsigned)fs->slice_height > f->height) return AVERROR_INVALIDDATA; - if ((unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width - || (unsigned)fs->slice_y + (uint64_t)fs->slice_height > - f->height) + if ( (unsigned)fs->slice_x + (uint64_t)fs->slice_width > f->width + || (unsigned)fs->slice_y + (uint64_t)fs->slice_height > f->height) return AVERROR_INVALIDDATA; } @@ -786,16 +833,13 @@ static int read_header(FFV1Context *f) return 0; } -static av_cold int ffv1_decode_init(AVCodecContext *avctx) +static av_cold int decode_init(AVCodecContext *avctx) { FFV1Context *f = avctx->priv_data; int ret; - ffv1_common_init(avctx); - - f->last_picture = av_frame_alloc(); - if (!f->last_picture) - return AVERROR(ENOMEM); + if ((ret = ffv1_common_init(avctx)) < 0) + return ret; if (avctx->extradata && (ret = read_extra_header(f)) < 0) return ret; @@ -803,11 +847,12 @@ static av_cold int ffv1_decode_init(AVCodecContext *avctx) if ((ret = ffv1_init_slice_contexts(f)) < 0) return ret; + avctx->internal->allocate_progress = 1; + return 0; } -static int ffv1_decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) +static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; @@ -816,10 +861,22 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data, int i, ret; uint8_t keystate = 128; const uint8_t *buf_p; - AVFrame *const p = data; + AVFrame *p; - f->cur = p; + if (f->last_picture.f) + ff_thread_release_buffer(avctx, &f->last_picture); + FFSWAP(ThreadFrame, f->picture, f->last_picture); + f->cur = p = f->picture.f; + + if (f->version < 3 && avctx->field_order > AV_FIELD_PROGRESSIVE) { + /* we have interlaced material flagged in container */ + p->interlaced_frame = 1; + if (avctx->field_order == AV_FIELD_TT || avctx->field_order == AV_FIELD_TB) + p->top_field_first = 1; + } + + f->avctx = avctx; ff_init_range_decoder(c, buf, buf_size); ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); @@ -839,27 +896,23 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data, p->key_frame = 0; } - if ((ret = ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF)) < 0) { - av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + if ((ret = ff_thread_get_buffer(avctx, &f->picture, AV_GET_BUFFER_FLAG_REF)) < 0) return ret; - } if (avctx->debug & FF_DEBUG_PICT_INFO) - av_log(avctx, AV_LOG_DEBUG, - "ver:%d keyframe:%d coder:%d ec:%d slices:%d bps:%d\n", - f->version, p->key_frame, f->ac, f->ec, f->slice_count, - f->avctx->bits_per_raw_sample); + av_log(avctx, AV_LOG_DEBUG, "ver:%d keyframe:%d coder:%d ec:%d slices:%d bps:%d\n", + f->version, p->key_frame, f->ac, f->ec, f->slice_count, f->avctx->bits_per_raw_sample); + + ff_thread_finish_setup(avctx); buf_p = buf + buf_size; for (i = f->slice_count - 1; i >= 0; i--) { FFV1Context *fs = f->slice_context[i]; - int trailer = 3 + 5 * !!f->ec; + int trailer = 3 + 5*!!f->ec; int v; - if (i || f->version > 2) - v = AV_RB24(buf_p - trailer) + trailer; - else - v = buf_p - c->bytestream_start; + if (i || f->version > 2) v = AV_RB24(buf_p-trailer) + trailer; + else v = buf_p - c->bytestream_start; if (buf_p - c->bytestream_start < v) { av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n"); return AVERROR_INVALIDDATA; @@ -869,7 +922,15 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data, if (f->ec) { unsigned crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, v); if (crc) { - av_log(f->avctx, AV_LOG_ERROR, "CRC mismatch %X!\n", crc); + int64_t ts = avpkt->pts != AV_NOPTS_VALUE ? avpkt->pts : avpkt->dts; + av_log(f->avctx, AV_LOG_ERROR, "CRC mismatch %X!", crc); + if (ts != AV_NOPTS_VALUE && avctx->pkt_timebase.num) { + av_log(f->avctx, AV_LOG_ERROR, "at %f seconds\n", ts*av_q2d(avctx->pkt_timebase)); + } else if (ts != AV_NOPTS_VALUE) { + av_log(f->avctx, AV_LOG_ERROR, "at %"PRId64"\n", ts); + } else { + av_log(f->avctx, AV_LOG_ERROR, "\n"); + } fs->slice_damaged = 1; } } @@ -879,54 +940,142 @@ static int ffv1_decode_frame(AVCodecContext *avctx, void *data, } else fs->c.bytestream_end = (uint8_t *)(buf_p + v); + fs->avctx = avctx; fs->cur = p; } - avctx->execute(avctx, decode_slice, &f->slice_context[0], NULL, + avctx->execute(avctx, + decode_slice, + &f->slice_context[0], + NULL, f->slice_count, - sizeof(void *)); + sizeof(void*)); for (i = f->slice_count - 1; i >= 0; i--) { FFV1Context *fs = f->slice_context[i]; int j; - if (fs->slice_damaged && f->last_picture->data[0]) { + if (fs->slice_damaged && f->last_picture.f->data[0]) { const uint8_t *src[4]; uint8_t *dst[4]; + ff_thread_await_progress(&f->last_picture, INT_MAX, 0); for (j = 0; j < 4; j++) { int sh = (j == 1 || j == 2) ? f->chroma_h_shift : 0; int sv = (j == 1 || j == 2) ? f->chroma_v_shift : 0; dst[j] = p->data[j] + p->linesize[j] * (fs->slice_y >> sv) + (fs->slice_x >> sh); - src[j] = f->last_picture->data[j] + - f->last_picture->linesize[j] * + src[j] = f->last_picture.f->data[j] + f->last_picture.f->linesize[j] * (fs->slice_y >> sv) + (fs->slice_x >> sh); } av_image_copy(dst, p->linesize, (const uint8_t **)src, - f->last_picture->linesize, - avctx->pix_fmt, fs->slice_width, + f->last_picture.f->linesize, + avctx->pix_fmt, + fs->slice_width, fs->slice_height); } } + ff_thread_report_progress(&f->picture, INT_MAX, 0); f->picture_number++; - av_frame_unref(f->last_picture); - if ((ret = av_frame_ref(f->last_picture, p)) < 0) - return ret; + if (f->last_picture.f) + ff_thread_release_buffer(avctx, &f->last_picture); f->cur = NULL; + if ((ret = av_frame_ref(data, f->picture.f)) < 0) + return ret; *got_frame = 1; return buf_size; } -static av_cold int ffv1_decode_close(AVCodecContext *avctx) +static int init_thread_copy(AVCodecContext *avctx) { - FFV1Context *s = avctx->priv_data;; + FFV1Context *f = avctx->priv_data; + int i, ret; + + f->picture.f = NULL; + f->last_picture.f = NULL; + f->sample_buffer = NULL; + f->slice_count = 0; + + for (i = 0; i < f->quant_table_count; i++) { + av_assert0(f->version > 1); + f->initial_states[i] = av_memdup(f->initial_states[i], + f->context_count[i] * sizeof(*f->initial_states[i])); + } - av_frame_free(&s->last_picture); + f->picture.f = av_frame_alloc(); + f->last_picture.f = av_frame_alloc(); + + if ((ret = ffv1_init_slice_contexts(f)) < 0) + return ret; + + return 0; +} + +static void copy_fields(FFV1Context *fsdst, FFV1Context *fssrc, FFV1Context *fsrc) +{ + fsdst->version = fsrc->version; + fsdst->micro_version = fsrc->micro_version; + fsdst->chroma_planes = fsrc->chroma_planes; + fsdst->chroma_h_shift = fsrc->chroma_h_shift; + fsdst->chroma_v_shift = fsrc->chroma_v_shift; + fsdst->transparency = fsrc->transparency; + fsdst->plane_count = fsrc->plane_count; + fsdst->ac = fsrc->ac; + fsdst->colorspace = fsrc->colorspace; + + fsdst->ec = fsrc->ec; + fsdst->intra = fsrc->intra; + fsdst->slice_damaged = fssrc->slice_damaged; + fsdst->key_frame_ok = fsrc->key_frame_ok; + + fsdst->bits_per_raw_sample = fsrc->bits_per_raw_sample; + fsdst->packed_at_lsb = fsrc->packed_at_lsb; + fsdst->slice_count = fsrc->slice_count; + if (fsrc->version<3){ + fsdst->slice_x = fssrc->slice_x; + fsdst->slice_y = fssrc->slice_y; + fsdst->slice_width = fssrc->slice_width; + fsdst->slice_height = fssrc->slice_height; + } +} + +static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src) +{ + FFV1Context *fsrc = src->priv_data; + FFV1Context *fdst = dst->priv_data; + int i, ret; + + if (dst == src) + return 0; + + { + FFV1Context bak = *fdst; + memcpy(fdst, fsrc, sizeof(*fdst)); + memcpy(fdst->initial_states, bak.initial_states, sizeof(fdst->initial_states)); + memcpy(fdst->slice_context, bak.slice_context , sizeof(fdst->slice_context)); + fdst->picture = bak.picture; + fdst->last_picture = bak.last_picture; + for (i = 0; i<fdst->num_h_slices * fdst->num_v_slices; i++) { + FFV1Context *fssrc = fsrc->slice_context[i]; + FFV1Context *fsdst = fdst->slice_context[i]; + copy_fields(fsdst, fssrc, fsrc); + } + av_assert0(!fdst->plane[0].state); + av_assert0(!fdst->sample_buffer); + } + + av_assert1(fdst->slice_count == fsrc->slice_count); + + + ff_thread_release_buffer(dst, &fdst->picture); + if (fsrc->picture.f->data[0]) { + if ((ret = ff_thread_ref_frame(&fdst->picture, &fsrc->picture)) < 0) + return ret; + } - ffv1_close(avctx); + fdst->fsrc = fsrc; return 0; } @@ -937,9 +1086,11 @@ AVCodec ff_ffv1_decoder = { .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_FFV1, .priv_data_size = sizeof(FFV1Context), - .init = ffv1_decode_init, - .close = ffv1_decode_close, - .decode = ffv1_decode_frame, + .init = decode_init, + .close = ffv1_close, + .decode = decode_frame, + .init_thread_copy = ONLY_IF_THREADS_ENABLED(init_thread_copy), + .update_thread_context = ONLY_IF_THREADS_ENABLED(update_thread_context), .capabilities = CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/ | - CODEC_CAP_SLICE_THREADS, + CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS, }; |
