* H.264 encoding using the x264 library
* Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
*
- * 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
*/
char *preset;
char *tune;
char *profile;
+ char *level;
int fastfirstpass;
+ char *stats;
+ char *wpredp;
+ char *x264opts;
float crf;
float crf_max;
int cqp;
/* Write the SEI as part of the first frame. */
if (x4->sei_size > 0 && nnal > 0) {
+ if (x4->sei_size > size) {
+ av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
+ return -1;
+ }
memcpy(p, x4->sei, x4->sei_size);
p += x4->sei_size;
x4->sei_size = 0;
+ av_freep(&x4->sei);
}
for (i = 0; i < nnal; i++){
memcpy(x4->sei, nals[i].p_payload, nals[i].i_payload);
continue;
}
+ if (nals[i].i_payload > (size - (p - buf))) {
+ // return only complete nals which fit in buf
+ av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
+ break;
+ }
memcpy(p, nals[i].p_payload, nals[i].i_payload);
p += nals[i].i_payload;
}
return p - buf;
}
+static int avfmt2_num_planes(int avfmt)
+{
+ switch (avfmt) {
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUV420P9:
+ case PIX_FMT_YUV420P10:
+ case PIX_FMT_YUV444P:
+ return 3;
+
+ case PIX_FMT_BGR24:
+ case PIX_FMT_RGB24:
+ return 1;
+
+ default:
+ return 3;
+ }
+}
+
static int X264_frame(AVCodecContext *ctx, uint8_t *buf,
- int bufsize, void *data)
+ int orig_bufsize, void *data)
{
X264Context *x4 = ctx->priv_data;
AVFrame *frame = data;
x264_nal_t *nal;
int nnal, i;
x264_picture_t pic_out;
+ int bufsize;
x264_picture_init( &x4->pic );
x4->pic.img.i_csp = x4->params.i_csp;
if (x264_bit_depth > 8)
x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
- x4->pic.img.i_plane = 3;
+ x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
if (frame) {
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < x4->pic.img.i_plane; i++) {
x4->pic.img.plane[i] = frame->data[i];
x4->pic.img.i_stride[i] = frame->linesize[i];
}
x4->params.b_tff = frame->top_field_first;
x264_encoder_reconfig(x4->enc, &x4->params);
}
+ if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den
+ || x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
+ x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
+ x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
+ x264_encoder_reconfig(x4->enc, &x4->params);
+ }
}
do {
+ bufsize = orig_bufsize;
if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
return -1;
return 0;
}
+#define OPT_STR(opt, param) \
+ do { \
+ int ret; \
+ if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
+ if(ret == X264_PARAM_BAD_NAME) \
+ av_log(avctx, AV_LOG_ERROR, \
+ "bad option '%s': '%s'\n", opt, param); \
+ else \
+ av_log(avctx, AV_LOG_ERROR, \
+ "bad value for '%s': '%s'\n", opt, param); \
+ return -1; \
+ } \
+ } while (0)
+
static int convert_pix_fmt(enum PixelFormat pix_fmt)
{
switch (pix_fmt) {
case PIX_FMT_YUV444P:
case PIX_FMT_YUV444P9:
case PIX_FMT_YUV444P10: return X264_CSP_I444;
+#ifdef X264_CSP_BGR
+ case PIX_FMT_BGR24:
+ return X264_CSP_BGR;
+
+ case PIX_FMT_RGB24:
+ return X264_CSP_RGB;
+#endif
};
return 0;
}
static av_cold int X264_init(AVCodecContext *avctx)
{
X264Context *x4 = avctx->priv_data;
+ int sw,sh;
x264_param_default(&x4->params);
x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
+ x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
+ x4->params.rc.f_pb_factor = avctx->b_quant_factor;
+ x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
if (x4->preset || x4->tune)
if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
x4->params.i_log_level = X264_LOG_DEBUG;
x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
+ OPT_STR("weightp", x4->wpredp);
+
if (avctx->bit_rate) {
x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
x4->params.rc.i_rc_method = X264_RC_ABR;
x4->params.rc.f_rf_constant_max = x4->crf_max;
}
+ OPT_STR("stats", x4->stats);
+
if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy &&
(avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
x4->params.rc.f_vbv_buffer_init =
(float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
}
- x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
- x4->params.rc.f_pb_factor = avctx->b_quant_factor;
- x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
+ OPT_STR("level", x4->level);
+
+ if(x4->x264opts){
+ const char *p= x4->x264opts;
+ while(p){
+ char param[256]={0}, val[256]={0};
+ if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
+ OPT_STR(param, "1");
+ }else
+ OPT_STR(param, val);
+ p= strchr(p, ':');
+ p+=!!p;
+ }
+ }
if (avctx->me_method == ME_EPZS)
x4->params.analyse.i_me_method = X264_ME_DIA;
x4->params.i_width = avctx->width;
x4->params.i_height = avctx->height;
- x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;
- x4->params.vui.i_sar_height = avctx->sample_aspect_ratio.den;
+ av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
+ x4->params.vui.i_sar_width = sw;
+ x4->params.vui.i_sar_height = sh;
x4->params.i_fps_num = x4->params.i_timebase_den = avctx->time_base.den;
x4->params.i_fps_den = x4->params.i_timebase_num = avctx->time_base.num;
x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
- x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
+// x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
x4->params.i_slice_count = avctx->slices;
PIX_FMT_YUV444P10,
PIX_FMT_NONE
};
+static const enum PixelFormat pix_fmts_8bit_rgb[] = {
+#ifdef X264_CSP_BGR
+ PIX_FMT_BGR24,
+ PIX_FMT_RGB24,
+#endif
+ PIX_FMT_NONE
+};
static av_cold void X264_init_static(AVCodec *codec)
{
{ "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { 1 }, 0, 1, VE},
+ {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
+ {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
+ {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
+ {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
{ "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
{ "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX, VE },
{ "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE },
.version = LIBAVUTIL_VERSION_INT,
};
+static const AVClass rgbclass = {
+ .class_name = "libx264rgb",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
static const AVCodecDefault x264_defaults[] = {
{ "b", "0" },
{ "bf", "-1" },
+ { "flags2", "0" },
{ "g", "-1" },
{ "qmin", "-1" },
{ "qmax", "-1" },
{ "qdiff", "-1" },
{ "qblur", "-1" },
{ "qcomp", "-1" },
+// { "rc_lookahead", "-1" },
{ "refs", "-1" },
{ "sc_threshold", "-1" },
{ "trellis", "-1" },
.defaults = x264_defaults,
.init_static_data = X264_init_static,
};
+
+AVCodec ff_libx264rgb_encoder = {
+ .name = "libx264rgb",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_H264,
+ .priv_data_size = sizeof(X264Context),
+ .init = X264_init,
+ .encode = X264_frame,
+ .close = X264_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
+ .priv_class = &rgbclass,
+ .defaults = x264_defaults,
+ .pix_fmts = pix_fmts_8bit_rgb,
+};
projects / ffmpeg / blobdiff