--- /dev/null
+/*****************************************************************************
+ * x264.c: h264 video encoder
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: encoder.c 7342 2004-04-13 14:13:07Z gbazin $
+ *
+ * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <vlc/vlc.h>
+#include <vlc/vout.h>
+#include <vlc/decoder.h>
+
+#include <x264.h>
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+vlc_module_begin();
+ set_description( _("h264 video encoder using x264 library"));
+ set_capability( "encoder", 10 );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static block_t *Encode( encoder_t *, picture_t * );
+
+struct encoder_sys_t
+{
+ x264_t *h;
+ x264_param_t param;
+ x264_picture_t *pic;
+
+ int i_buffer;
+ uint8_t *p_buffer;
+};
+
+/*****************************************************************************
+ * Open: probe the encoder
+ *****************************************************************************/
+static int Open ( vlc_object_t *p_this )
+{
+ encoder_t *p_enc = (encoder_t *)p_this;
+ encoder_sys_t *p_sys;
+ int i_nal;
+ x264_nal_t *nal;
+
+ int i;
+
+ if( p_enc->fmt_out.i_cat != VIDEO_ES ||
+ p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) )
+ {
+ return VLC_EGENERIC;
+ }
+ if( p_enc->fmt_in.video.i_width % 16 != 0 ||
+ p_enc->fmt_in.video.i_height % 16!= 0 )
+ {
+ msg_Warn( p_enc, "invalid size %ix%i",
+ p_enc->fmt_in.video.i_width,
+ p_enc->fmt_in.video.i_height );
+ return VLC_EGENERIC;
+ }
+
+ p_enc->pf_encode_video = Encode;
+ p_enc->pf_encode_audio = NULL;
+ p_enc->p_sys = p_sys = malloc( sizeof( encoder_sys_t ) );
+
+ x264_param_default( &p_sys->param );
+ p_sys->param.i_width = p_enc->fmt_in.video.i_width;
+ p_sys->param.i_height = p_enc->fmt_in.video.i_height;
+ p_sys->param.analyse.inter = X264_ANALYSE_I16x16 | X264_ANALYSE_I4x4 |
+ X264_ANALYSE_P16x16 |
+ X264_ANALYSE_P16x8 | X264_ANALYSE_P8x16 |
+ X264_ANALYSE_P8x8 | X264_ANALYSE_SMART_PSUB;
+ p_sys->param.i_idrframe = 1;
+ p_sys->param.b_cabac = 1;
+
+ if( p_enc->fmt_in.video.i_aspect > 0 )
+ {
+ /* TODO */
+ p_sys->param.vui.i_sar_width = 0;
+ p_sys->param.vui.i_sar_height = 0;
+ }
+ if( p_enc->fmt_in.video.i_frame_rate_base > 0 )
+ {
+ p_sys->param.f_fps = (float)p_enc->fmt_in.video.i_frame_rate /
+ (float)p_enc->fmt_in.video.i_frame_rate_base;
+ }
+ if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_MMX) )
+ {
+ p_sys->param.cpu &= ~X264_CPU_MMX;
+ }
+ if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_MMXEXT) )
+ {
+ p_sys->param.cpu &= ~X264_CPU_MMXEXT;
+ }
+ if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_SSE) )
+ {
+ p_sys->param.cpu &= ~(X264_CPU_SSE|X264_CPU_SSE2);
+ }
+ if( p_enc->i_key_int > 0 )
+ {
+ p_sys->param.i_iframe = p_enc->i_key_int;
+ }
+
+ p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
+ if( p_enc->i_qmin == p_enc->i_qmax )
+ {
+ p_sys->param.i_qp_constant = p_enc->i_qmin;
+ }
+ switch( p_enc->i_hq )
+ {
+ case -1:
+ p_sys->param.analyse.inter = 0;
+ break;
+ case -2:
+ p_sys->param.analyse.inter = X264_ANALYSE_I16x16|X264_ANALYSE_I4x4|X264_ANALYSE_P16x16;
+ break;
+ case -3:
+ p_sys->param.analyse.inter = X264_ANALYSE_I16x16|X264_ANALYSE_I4x4|X264_ANALYSE_P16x16|
+ X264_ANALYSE_P16x8|X264_ANALYSE_P8x16|X264_ANALYSE_P8x8|X264_ANALYSE_SMART_PSUB;
+ break;
+ case -4:
+ p_sys->param.analyse.inter = X264_ANALYSE_I16x16|X264_ANALYSE_I4x4|X264_ANALYSE_P16x16|
+ X264_ANALYSE_P16x8|X264_ANALYSE_P8x16|X264_ANALYSE_P8x8|
+ X264_ANALYSE_P8x4|X264_ANALYSE_P4x8|X264_ANALYSE_P4x4|
+ X264_ANALYSE_SMART_PSUB;
+ break;
+ }
+
+ /* Open the encoder */
+ p_sys->h = x264_encoder_open( &p_sys->param );
+
+ /* alloc mem */
+ p_sys->pic = x264_picture_new( p_sys->h );
+ p_sys->i_buffer = 4 * p_enc->fmt_in.video.i_width * p_enc->fmt_in.video.i_height + 1000;
+ p_sys->p_buffer = malloc( p_sys->i_buffer );
+
+ /* get the globals headers */
+ p_enc->fmt_out.i_extra = 0;
+ p_enc->fmt_out.p_extra = NULL;
+#if 0
+ x264_encoder_headers( p_sys->h, &nal, &i_nal );
+ for( i = 0; i < i_nal; i++ )
+ {
+ int i_size = p_sys->i_buffer;
+
+ x264_nal_encode( p_sys->p_buffer, &i_size, 1, &nal[i] );
+
+ p_enc->fmt_out.p_extra = realloc( p_enc->fmt_out.p_extra, p_enc->fmt_out.i_extra + i_size );
+
+ memcpy( p_enc->fmt_out.p_extra + p_enc->fmt_out.i_extra,
+ p_sys->p_buffer, i_size );
+
+ p_enc->fmt_out.i_extra += i_size;
+ }
+#endif
+
+ return VLC_SUCCESS;
+}
+
+/****************************************************************************
+ * Encode:
+ ****************************************************************************/
+static block_t *Encode( encoder_t *p_enc, picture_t *p_pict )
+{
+ encoder_sys_t *p_sys = p_enc->p_sys;
+ int i_nal;
+ x264_nal_t *nal;
+ block_t *p_block;
+ int i_out;
+ int i;
+
+ /* copy the picture */
+ for( i = 0; i < 3; i++ )
+ {
+ uint8_t *src = p_pict->p[i].p_pixels;
+ uint8_t *dst = p_sys->pic->plane[i];
+ int j;
+
+ for( j = 0;j < p_pict->p[i].i_lines; j++ )
+ {
+ memcpy( dst, src, __MIN( p_sys->pic->i_stride[i], p_pict->p[i].i_pitch ) );
+
+ src += p_pict->p[i].i_pitch;
+ dst += p_sys->pic->i_stride[i];
+ }
+ }
+
+ x264_encoder_encode( p_sys->h, &nal, &i_nal, p_sys->pic );
+ for( i = 0, i_out = 0; i < i_nal; i++ )
+ {
+ int i_size = p_sys->i_buffer - i_out;
+ x264_nal_encode( p_sys->p_buffer + i_out, &i_size, 1, &nal[i] );
+
+ i_out += i_size;
+ }
+
+ p_block = block_New( p_enc, i_out );
+ p_block->i_dts = p_pict->date;
+ p_block->i_pts = p_pict->date;
+ memcpy( p_block->p_buffer, p_sys->p_buffer, i_out );
+
+ /* TODO */
+ /* p_block->i_flags |= BLOCK_FLAG_TYPE_I; */
+
+ return p_block;
+}
+
+/*****************************************************************************
+ * CloseEncoder: ffmpeg encoder destruction
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ encoder_t *p_enc = (encoder_t *)p_this;
+ encoder_sys_t *p_sys = p_enc->p_sys;
+
+
+ x264_picture_delete( p_sys->pic );
+ x264_encoder_close( p_sys->h );
+ free( p_sys->p_buffer );
+ free( p_sys );
+}
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