2 * Copyright (c) 2010, Google, Inc.
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * VP8 decoder support via libvpx
26 #define VPX_CODEC_DISABLE_COMPAT 1
27 #include <vpx/vpx_decoder.h>
28 #include <vpx/vp8dx.h>
30 #include "libavutil/common.h"
31 #include "libavutil/imgutils.h"
36 typedef struct VP8DecoderContext {
37 struct vpx_codec_ctx decoder;
40 static av_cold int vpx_init(AVCodecContext *avctx,
41 const struct vpx_codec_iface *iface)
43 VP8Context *ctx = avctx->priv_data;
44 struct vpx_codec_dec_cfg deccfg = {
45 /* token partitions+1 would be a decent choice */
46 .threads = FFMIN(avctx->thread_count, 16)
49 av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
50 av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
52 if (vpx_codec_dec_init(&ctx->decoder, iface, &deccfg, 0) != VPX_CODEC_OK) {
53 const char *error = vpx_codec_error(&ctx->decoder);
54 av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n",
56 return AVERROR(EINVAL);
62 // returns 0 on success, AVERROR_INVALIDDATA otherwise
63 static int set_pix_fmt(AVCodecContext *avctx, struct vpx_image *img)
65 #if VPX_IMAGE_ABI_VERSION >= 3
66 static const enum AVColorSpace colorspaces[8] = {
67 AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_BT470BG, AVCOL_SPC_BT709, AVCOL_SPC_SMPTE170M,
68 AVCOL_SPC_SMPTE240M, AVCOL_SPC_BT2020_NCL, AVCOL_SPC_RESERVED, AVCOL_SPC_RGB,
70 avctx->colorspace = colorspaces[img->cs];
72 if (avctx->codec_id == AV_CODEC_ID_VP8 && img->fmt != VPX_IMG_FMT_I420)
73 return AVERROR_INVALIDDATA;
75 case VPX_IMG_FMT_I420:
76 if (avctx->codec_id == AV_CODEC_ID_VP9)
77 avctx->profile = FF_PROFILE_VP9_0;
78 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
80 #if CONFIG_LIBVPX_VP9_DECODER
81 case VPX_IMG_FMT_I422:
82 avctx->profile = FF_PROFILE_VP9_1;
83 avctx->pix_fmt = AV_PIX_FMT_YUV422P;
85 #if VPX_IMAGE_ABI_VERSION >= 3
86 case VPX_IMG_FMT_I440:
87 avctx->profile = FF_PROFILE_VP9_1;
88 avctx->pix_fmt = AV_PIX_FMT_YUV440P;
91 case VPX_IMG_FMT_I444:
92 avctx->profile = FF_PROFILE_VP9_1;
93 avctx->pix_fmt = AV_PIX_FMT_YUV444P;
95 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
96 case VPX_IMG_FMT_I42016:
97 avctx->profile = FF_PROFILE_VP9_2;
98 if (img->bit_depth == 10) {
99 avctx->pix_fmt = AV_PIX_FMT_YUV420P10LE;
101 } else if (img->bit_depth == 12) {
102 avctx->pix_fmt = AV_PIX_FMT_YUV420P12LE;
105 return AVERROR_INVALIDDATA;
107 case VPX_IMG_FMT_I42216:
108 avctx->profile = FF_PROFILE_VP9_3;
109 if (img->bit_depth == 10) {
110 avctx->pix_fmt = AV_PIX_FMT_YUV422P10LE;
112 } else if (img->bit_depth == 12) {
113 avctx->pix_fmt = AV_PIX_FMT_YUV422P12LE;
116 return AVERROR_INVALIDDATA;
118 #if VPX_IMAGE_ABI_VERSION >= 3
119 case VPX_IMG_FMT_I44016:
120 avctx->profile = FF_PROFILE_VP9_3;
121 if (img->bit_depth == 10) {
122 avctx->pix_fmt = AV_PIX_FMT_YUV440P10LE;
124 } else if (img->bit_depth == 12) {
125 avctx->pix_fmt = AV_PIX_FMT_YUV440P12LE;
128 return AVERROR_INVALIDDATA;
131 case VPX_IMG_FMT_I44416:
132 avctx->profile = FF_PROFILE_VP9_3;
133 if (img->bit_depth == 10) {
134 avctx->pix_fmt = AV_PIX_FMT_YUV444P10LE;
136 } else if (img->bit_depth == 12) {
137 avctx->pix_fmt = AV_PIX_FMT_YUV444P12LE;
140 return AVERROR_INVALIDDATA;
145 return AVERROR_INVALIDDATA;
149 static int vp8_decode(AVCodecContext *avctx,
150 void *data, int *got_frame, AVPacket *avpkt)
152 VP8Context *ctx = avctx->priv_data;
153 AVFrame *picture = data;
154 const void *iter = NULL;
155 struct vpx_image *img;
158 if (vpx_codec_decode(&ctx->decoder, avpkt->data, avpkt->size, NULL, 0) !=
160 const char *error = vpx_codec_error(&ctx->decoder);
161 const char *detail = vpx_codec_error_detail(&ctx->decoder);
163 av_log(avctx, AV_LOG_ERROR, "Failed to decode frame: %s\n", error);
165 av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n",
167 return AVERROR_INVALIDDATA;
170 if ((img = vpx_codec_get_frame(&ctx->decoder, &iter))) {
171 if ((ret = set_pix_fmt(avctx, img)) < 0) {
172 #ifdef VPX_IMG_FMT_HIGHBITDEPTH
173 av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (%d) / bit_depth (%d)\n",
174 img->fmt, img->bit_depth);
176 av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (%d) / bit_depth (%d)\n",
182 if ((int) img->d_w != avctx->width || (int) img->d_h != avctx->height) {
183 av_log(avctx, AV_LOG_INFO, "dimension change! %dx%d -> %dx%d\n",
184 avctx->width, avctx->height, img->d_w, img->d_h);
185 ret = ff_set_dimensions(avctx, img->d_w, img->d_h);
189 if ((ret = ff_get_buffer(avctx, picture, 0)) < 0)
191 av_image_copy(picture->data, picture->linesize, (const uint8_t **)img->planes,
192 img->stride, avctx->pix_fmt, img->d_w, img->d_h);
198 static av_cold int vp8_free(AVCodecContext *avctx)
200 VP8Context *ctx = avctx->priv_data;
201 vpx_codec_destroy(&ctx->decoder);
205 #if CONFIG_LIBVPX_VP8_DECODER
206 static av_cold int vp8_init(AVCodecContext *avctx)
208 return vpx_init(avctx, &vpx_codec_vp8_dx_algo);
211 AVCodec ff_libvpx_vp8_decoder = {
213 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
214 .type = AVMEDIA_TYPE_VIDEO,
215 .id = AV_CODEC_ID_VP8,
216 .priv_data_size = sizeof(VP8Context),
219 .decode = vp8_decode,
220 .capabilities = AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_DR1,
222 #endif /* CONFIG_LIBVPX_VP8_DECODER */
224 #if CONFIG_LIBVPX_VP9_DECODER
225 static av_cold int vp9_init(AVCodecContext *avctx)
227 return vpx_init(avctx, &vpx_codec_vp9_dx_algo);
230 static const AVProfile profiles[] = {
231 { FF_PROFILE_VP9_0, "Profile 0" },
232 { FF_PROFILE_VP9_1, "Profile 1" },
233 { FF_PROFILE_VP9_2, "Profile 2" },
234 { FF_PROFILE_VP9_3, "Profile 3" },
235 { FF_PROFILE_UNKNOWN },
238 AVCodec ff_libvpx_vp9_decoder = {
239 .name = "libvpx-vp9",
240 .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"),
241 .type = AVMEDIA_TYPE_VIDEO,
242 .id = AV_CODEC_ID_VP9,
243 .priv_data_size = sizeof(VP8Context),
246 .decode = vp8_decode,
247 .capabilities = AV_CODEC_CAP_AUTO_THREADS | AV_CODEC_CAP_DR1,
248 .init_static_data = ff_vp9_init_static,
249 .profiles = NULL_IF_CONFIG_SMALL(profiles),
251 #endif /* CONFIG_LIBVPX_VP9_DECODER */