*/
/**
-* @file libavcodec/libschroedingerenc.c
+* @file
* Dirac encoder support via libschroedinger-1.0 libraries. More details about
* the Schroedinger project can be found at http://www.diracvideo.org/.
* The library implements Dirac Specification Version 2.2
#include "avcodec.h"
#include "libdirac_libschro.h"
#include "libschroedinger.h"
+#include "bytestream.h"
/** libschroedinger encoder private data */
if (SetSchroChromaFormat(avccontext) == -1)
return -1;
+ if (avccontext->color_primaries == AVCOL_PRI_BT709) {
+ p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_HDTV;
+ } else if (avccontext->color_primaries == AVCOL_PRI_BT470BG) {
+ p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_625;
+ } else if (avccontext->color_primaries == AVCOL_PRI_SMPTE170M) {
+ p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_525;
+ }
+
+ if (avccontext->colorspace == AVCOL_SPC_BT709) {
+ p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_HDTV;
+ } else if (avccontext->colorspace == AVCOL_SPC_BT470BG) {
+ p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_SDTV;
+ }
+
+ if (avccontext->color_trc == AVCOL_TRC_BT709) {
+ p_schro_params->format->transfer_function = SCHRO_TRANSFER_CHAR_TV_GAMMA;
+ }
+
if (ff_get_schro_frame_format(p_schro_params->format->chroma_format,
&p_schro_params->frame_format) == -1) {
av_log(avccontext, AV_LOG_ERROR,
"enable_noarith", 1);
} else {
schro_encoder_setting_set_double(p_schro_params->encoder,
- "gop_structure",
- SCHRO_ENCODER_GOP_BIREF);
+ "au_distance", avccontext->gop_size);
avccontext->has_b_frames = 1;
}
"rate_control",
SCHRO_ENCODER_RATE_CONTROL_LOSSLESS);
} else {
- int noise_threshold;
+ int quality;
schro_encoder_setting_set_double(p_schro_params->encoder,
"rate_control",
- SCHRO_ENCODER_RATE_CONTROL_CONSTANT_NOISE_THRESHOLD);
+ SCHRO_ENCODER_RATE_CONTROL_CONSTANT_QUALITY);
- noise_threshold = avccontext->global_quality / FF_QP2LAMBDA;
- if (noise_threshold > 100)
- noise_threshold = 100;
+ quality = avccontext->global_quality / FF_QP2LAMBDA;
+ if (quality > 10)
+ quality = 10;
schro_encoder_setting_set_double(p_schro_params->encoder,
- "noise_threshold",
- noise_threshold);
+ "quality", quality);
}
} else {
schro_encoder_setting_set_double(p_schro_params->encoder,
schro_encoder_setting_set_double(p_schro_params->encoder,
"interlaced_coding", 1);
+ schro_encoder_setting_set_double(p_schro_params->encoder, "open_gop",
+ !(avccontext->flags & CODEC_FLAG_CLOSED_GOP));
+
/* FIXME: Signal range hardcoded to 8-bit data until both libschroedinger
* and libdirac support other bit-depth data. */
schro_video_format_set_std_signal_range(p_schro_params->format,
/* Parse the coded frame number from the bitstream. Bytes 14
* through 17 represesent the frame number. */
- p_frame_output->frame_num = (enc_buf->data[13] << 24) +
- (enc_buf->data[14] << 16) +
- (enc_buf->data[15] << 8) +
- enc_buf->data[16];
+ p_frame_output->frame_num = AV_RB32(enc_buf->data + 13);
ff_dirac_schro_queue_push_back(&p_schro_params->enc_frame_queue,
p_frame_output);
}
-AVCodec libschroedinger_encoder = {
+AVCodec ff_libschroedinger_encoder = {
"libschroedinger",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_DIRAC,
sizeof(FfmpegSchroEncoderParams),
libschroedinger_encode_init,
libschroedinger_encode_frame,
libschroedinger_encode_close,
.capabilities = CODEC_CAP_DELAY,
- .pix_fmts = (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE},
+ .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
};