*****************************************************************************/
#include <vlc/vlc.h>
#include <vlc/vout.h>
+#include <vlc/sout.h>
#include <vlc/decoder.h>
#include <x264.h>
+#define SOUT_CFG_PREFIX "sout-x264-"
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
+#define QP_TEXT N_("Quantizer parameter")
+#define QP_LONGTEXT N_( \
+ "This selects the quantizer to use (1 to 51). Lower values result in " \
+ "better fidelity, but higher bitrates. 26 is a good default value." )
+
+#define QPMIN_TEXT N_("Minimum quantizer parameter")
+#define QPMIN_LONGTEXT N_( "Minimum quantizer, 15/35 seems to be a useful " \
+ "range." )
+
+#define QPMAX_TEXT N_("Maximum quantizer parameter")
+#define QPMAX_LONGTEXT N_( "Maximum quantizer parameter." )
+
+#define CABAC_TEXT N_("Enable CABAC")
+#define CABAC_LONGTEXT N_( "Enable CABAC (Context-Adaptive Binary Arithmetic "\
+ "Coding). Slightly slows down encoding and decoding, but should save " \
+ "10-15% bitrate." )
+
+#define LOOPF_TEXT N_("Enable loop filter")
+#define LOOPF_LONGTEXT N_( "Use deblocking loop filter (increases quality).")
+
+#define ANALYSE_TEXT N_("Analyse mode")
+#define ANALYSE_LONGTEXT N_( "This selects the analysing mode.")
+
+#define KEYINT_TEXT N_("Sets maximum interval between IDR-frames")
+#define KEYINT_LONGTEXT N_( "Larger values save bits, thus improve quality "\
+ "for a given bitrate, at the cost of seeking precision." )
+
+#define KEYINT_MIN_TEXT N_("Sets minimum interval between IDR-frames")
+#define KEYINT_MIN_LONGTEXT N_("In H.264, I-Frames do not necessarily bound " \
+ "a closed GOP because it is allowable for a P-frame to be predicted from "\
+ "more frames than just the one frame before it (also see frameref). " \
+ "Therefore, I-frames are not necessarily seekable. " \
+ "IDR-Frames restrict subsequent P-frames from referring to any frame " \
+ "prior to the IDR-Frame. \n" \
+ "If scenecuts appear within this interval, they are still encoded as " \
+ "I-frames, but do not start a new GOP. Default value is keyint * 0.4." )
+
+#define BFRAMES_TEXT N_("B frames")
+#define BFRAMES_LONGTEXT N_( "Number of consecutive B-Frames between I and " \
+ "P-frames." )
+
+#define FRAMEREF_TEXT N_("Number of previous frames used as predictors.")
+#define FRAMEREF_LONGTEXT N_( "This is effective in Anime, but seems to " \
+ "make little difference in live-action source material. Some decoders " \
+ "are unable to deal with large frameref values." )
+
+#define SCENE_TEXT N_("Scene-cut detection.")
+#define SCENE_LONGTEXT N_( "Controls how aggressively to insert extra " \
+ "I-frames. With small values of scenecut, the codec often has to force " \
+ "an I-frame when it would exceed keyint. " \
+ "Good values of scenecut may find a better location for the I-frame. " \
+ "Large values use more I-frames than necessary, thus wasting bits. " \
+ "-1 disables scene-cut detection, so I-frames are be inserted only every "\
+ "other keyint frames, which probably leads to ugly encoding artifacts." )
+
+static char *enc_analyse_list[] =
+ { "", "all", "normal", "fast", "none" };
+static char *enc_analyse_list_text[] =
+ { N_("default"), N_("all"), N_("normal"), N_("fast"), N_("none") };
+
vlc_module_begin();
set_description( _("h264 video encoder using x264 library"));
set_capability( "encoder", 200 );
set_callbacks( Open, Close );
-vlc_module_end();
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_VCODEC );
+
+ add_integer( SOUT_CFG_PREFIX "qp", 0, NULL, QP_TEXT, QP_LONGTEXT,
+ VLC_FALSE );
+ change_integer_range( 0, 51 );
+ add_integer( SOUT_CFG_PREFIX "qp-min", 10, NULL, QPMIN_TEXT,
+ QPMIN_LONGTEXT, VLC_FALSE );
+ change_integer_range( 0, 51 );
+ add_integer( SOUT_CFG_PREFIX "qp-max", 51, NULL, QPMAX_TEXT,
+ QPMAX_LONGTEXT, VLC_FALSE );
+ change_integer_range( 0, 51 );
+
+ add_bool( SOUT_CFG_PREFIX "cabac", 1, NULL, CABAC_TEXT, CABAC_LONGTEXT,
+ VLC_FALSE );
+
+ add_bool( SOUT_CFG_PREFIX "loopfilter", 1, NULL, LOOPF_TEXT,
+ LOOPF_LONGTEXT, VLC_FALSE );
+
+ add_string( SOUT_CFG_PREFIX "analyse", "", NULL, ANALYSE_TEXT,
+ ANALYSE_LONGTEXT, VLC_FALSE );
+ change_string_list( enc_analyse_list, enc_analyse_list_text, 0 );
+
+ add_integer( SOUT_CFG_PREFIX "keyint", 250, NULL, KEYINT_TEXT,
+ KEYINT_LONGTEXT, VLC_FALSE );
+ add_integer( SOUT_CFG_PREFIX "keyint-min", 0, NULL, KEYINT_MIN_TEXT,
+ KEYINT_MIN_LONGTEXT, VLC_FALSE );
+
+ add_integer( SOUT_CFG_PREFIX "bframes", 0, NULL, BFRAMES_TEXT,
+ BFRAMES_LONGTEXT, VLC_FALSE );
+ change_integer_range( 0, 16 );
+
+ add_integer( SOUT_CFG_PREFIX "frameref", 1, NULL, FRAMEREF_TEXT,
+ FRAMEREF_LONGTEXT, VLC_FALSE );
+ change_integer_range( 1, 15 );
+
+ add_integer( SOUT_CFG_PREFIX "scenecut", 40, NULL, SCENE_TEXT,
+ SCENE_LONGTEXT, VLC_FALSE );
+ change_integer_range( -1, 100 );
+
+vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
+static const char *ppsz_sout_options[] = {
+ "qp", "qp-min", "qp-max", "cabac", "loopfilter", "analyse",
+ "keyint", "keyint-min", "bframes", "frameref", "scenecut", NULL
+};
+
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;
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys;
- int i_nal;
- x264_nal_t *nal;
+ vlc_value_t val;
+ int i_qmin = 0, i_qmax = 0;
- int i;
-
- if( p_enc->fmt_out.i_cat != VIDEO_ES ||
- p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) )
+ if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'h', '2', '6', '4' ) &&
+ !p_enc->b_force )
{
return VLC_EGENERIC;
}
+
if( p_enc->fmt_in.video.i_width % 16 != 0 ||
p_enc->fmt_in.video.i_height % 16!= 0 )
{
return VLC_EGENERIC;
}
+ sout_CfgParse( p_enc, SOUT_CFG_PREFIX, ppsz_sout_options, p_enc->p_cfg );
+
+ p_enc->fmt_out.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
+ p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
+
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;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "qp-min", &val );
+ if( val.i_int >= 1 && val.i_int <= 51 ) i_qmin = val.i_int;
+ var_Get( p_enc, SOUT_CFG_PREFIX "qp-max", &val );
+ if( val.i_int >= 1 && val.i_int <= 51 ) i_qmax = val.i_int;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "qp", &val );
+ if( val.i_int >= 1 && val.i_int <= 51 )
+ {
+ if( i_qmin > val.i_int ) i_qmin = val.i_int;
+ if( i_qmax < val.i_int ) i_qmax = val.i_int;
+
+#if X264_BUILD >= 0x000a
+ p_sys->param.rc.i_qp_constant = val.i_int;
+ p_sys->param.rc.i_qp_min = i_qmin;
+ p_sys->param.rc.i_qp_max = i_qmax;
+#else
+ p_sys->param.i_qp_constant = val.i_int;
+#endif
+ }
+ else
+ {
+ /* No QP -> constant bitrate */
+#if X264_BUILD >= 0x000a
+ p_sys->param.rc.b_cbr = 1;
+ p_sys->param.rc.i_bitrate = p_enc->fmt_out.i_bitrate / 1000;
+ p_sys->param.rc.i_rc_buffer_size = p_sys->param.rc.i_bitrate;
+ p_sys->param.rc.i_rc_init_buffer = p_sys->param.rc.i_bitrate / 4;
+#endif
+ }
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "cabac", &val );
+ p_sys->param.b_cabac = val.b_bool;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "loopfilter", &val );
+ p_sys->param.b_deblocking_filter = val.b_bool;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "keyint", &val );
+#if X264_BUILD >= 0x000e
+ if( val.i_int > 0 ) p_sys->param.i_keyint_max = val.i_int;
+ if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int * 0.4;
+#else
+ if( val.i_int > 0 ) p_sys->param.i_iframe = val.i_int;
+#endif
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "keyint-min", &val );
+#if X264_BUILD >= 0x000e
+ if( val.i_int > 0 ) p_sys->param.i_keyint_min = val.i_int;
+#else
+ if( val.i_int > 0 ) p_sys->param.i_idrframe = val.i_int;
+#endif
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "bframes", &val );
+ if( val.i_int >= 0 && val.i_int <= 16 ) p_sys->param.i_bframe = val.i_int;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "frameref", &val );
+ if( val.i_int > 0 && val.i_int <= 15 )
+ p_sys->param.i_frame_reference = val.i_int;
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "scenecut", &val );
+#if X264_BUILD >= 0x000b
+ if( val.i_int >= -1 && val.i_int <= 100 )
+ p_sys->param.i_scenecut_threshold = val.i_int;
+#endif
+
+ var_Get( p_enc, SOUT_CFG_PREFIX "analyse", &val );
+ if( !strcmp( val.psz_string, "none" ) )
+ {
+ p_sys->param.analyse.inter = 0;
+ }
+ else if( !strcmp( val.psz_string, "fast" ) )
+ {
+ p_sys->param.analyse.inter = X264_ANALYSE_I4x4;
+ }
+ else if( !strcmp( val.psz_string, "normal" ) )
+ {
+ p_sys->param.analyse.inter =
+ X264_ANALYSE_I4x4 | X264_ANALYSE_PSUB16x16;
+ }
+ else if( !strcmp( val.psz_string, "all" ) )
+ {
+ p_sys->param.analyse.inter =
+ X264_ANALYSE_I4x4 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_PSUB8x8;
+ }
+ if( val.psz_string ) free( val.psz_string );
if( p_enc->fmt_in.video.i_aspect > 0 )
{
- p_sys->param.vui.i_sar_width = p_enc->fmt_in.video.i_aspect *
- p_enc->fmt_in.video.i_height *
- p_enc->fmt_in.video.i_height /
- p_enc->fmt_in.video.i_width;
- p_sys->param.vui.i_sar_height = p_enc->fmt_in.video.i_height;
+ int64_t i_num, i_den;
+ int i_dst_num, i_dst_den;
+
+ i_num = p_enc->fmt_in.video.i_aspect *
+ (int64_t)p_enc->fmt_in.video.i_height;
+ i_den = VOUT_ASPECT_FACTOR * p_enc->fmt_in.video.i_width;
+ vlc_reduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
+
+ p_sys->param.vui.i_sar_width = i_dst_num;
+ p_sys->param.vui.i_sar_height = i_dst_den;
}
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;
+ p_sys->param.i_fps_num = p_enc->fmt_in.video.i_frame_rate;
+ p_sys->param.i_fps_den = p_enc->fmt_in.video.i_frame_rate_base;
}
if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_MMX) )
{
}
if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_SSE) )
{
- p_sys->param.cpu &= ~(X264_CPU_SSE|X264_CPU_SSE2);
+ p_sys->param.cpu &= ~X264_CPU_SSE;
}
- if( p_enc->i_key_int > 0 )
+ if( !(p_enc->p_libvlc->i_cpu & CPU_CAPABILITY_SSE2) )
{
- 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;
+ p_sys->param.cpu &= ~X264_CPU_SSE2;
}
/* 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->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++ )
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_picture_t pic;
x264_nal_t *nal;
block_t *p_block;
- int i_out;
- int i;
+ int i_nal, i_out, i;
- /* copy the picture */
- for( i = 0; i < 3; i++ )
+ /* init pic */
+ memset( &pic, 0, sizeof( x264_picture_t ) );
+ pic.img.i_csp = X264_CSP_I420;
+ pic.img.i_plane = p_pict->i_planes;
+ for( i = 0; i < p_pict->i_planes; 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];
- }
+ pic.img.plane[i] = p_pict->p[i].p_pixels;
+ pic.img.i_stride[i] = p_pict->p[i].i_pitch;
}
- x264_encoder_encode( p_sys->h, &nal, &i_nal, p_sys->pic );
+#if X264_BUILD >= 0x0013
+ x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic, &pic );
+#else
+ x264_encoder_encode( p_sys->h, &nal, &i_nal, &pic );
+#endif
for( i = 0, i_out = 0; i < i_nal; i++ )
{
int i_size = p_sys->i_buffer - i_out;
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; */
+ if( pic.i_type == X264_TYPE_IDR || pic.i_type == X264_TYPE_I )
+ p_block->i_flags |= BLOCK_FLAG_TYPE_I;
+ else if( pic.i_type == X264_TYPE_P )
+ p_block->i_flags |= BLOCK_FLAG_TYPE_P;
+ else if( pic.i_type == X264_TYPE_B )
+ p_block->i_flags |= BLOCK_FLAG_TYPE_B;
return p_block;
}
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 );
projects / vlc / blobdiff