* The function returns a pointer to the object of the XEVE_CDSC type. * XEVE_CDSC contains all encoder parameters that should be initialized before the encoder is used. * * The field values of the XEVE_CDSC structure are populated based on: * - the corresponding field values of the AvCodecConetxt structure, * - the xeve encoder specific option values, * (the full list of options available
| 170 | * @return 0 on success, negative error code on failure |
| 171 | */ |
| 172 | static int get_conf(AVCodecContext *avctx, XEVE_CDSC *cdsc) |
| 173 | { |
| 174 | XeveContext *xectx = NULL; |
| 175 | int ret; |
| 176 | |
| 177 | xectx = avctx->priv_data; |
| 178 | |
| 179 | /* initialize xeve_param struct with default values */ |
| 180 | ret = xeve_param_default(&cdsc->param); |
| 181 | if (XEVE_FAILED(ret)) { |
| 182 | av_log(avctx, AV_LOG_ERROR, "Cannot set_default parameter\n"); |
| 183 | return AVERROR_EXTERNAL; |
| 184 | } |
| 185 | |
| 186 | /* read options from AVCodecContext */ |
| 187 | if (avctx->width > 0) |
| 188 | cdsc->param.w = avctx->width; |
| 189 | |
| 190 | if (avctx->height > 0) |
| 191 | cdsc->param.h = avctx->height; |
| 192 | |
| 193 | if (avctx->framerate.num > 0) { |
| 194 | // fps can be float number, but xeve API doesn't support it |
| 195 | cdsc->param.fps.num = avctx->framerate.num; |
| 196 | cdsc->param.fps.den = avctx->framerate.den; |
| 197 | } |
| 198 | |
| 199 | // GOP size (key-frame interval, I-picture period) |
| 200 | cdsc->param.keyint = avctx->gop_size; // 0: only one I-frame at the first time; 1: every frame is coded in I-frame |
| 201 | |
| 202 | if (avctx->max_b_frames == 0 || avctx->max_b_frames == 1 || avctx->max_b_frames == 3 || |
| 203 | avctx->max_b_frames == 7 || avctx->max_b_frames == 15) // number of b-frames |
| 204 | cdsc->param.bframes = avctx->max_b_frames; |
| 205 | else { |
| 206 | av_log(avctx, AV_LOG_ERROR, "Incorrect value for maximum number of B frames: (%d) \n" |
| 207 | "Acceptable values for bf option (maximum number of B frames) are 0,1,3,7 or 15\n", avctx->max_b_frames); |
| 208 | return AVERROR_INVALIDDATA; |
| 209 | } |
| 210 | |
| 211 | cdsc->param.level_idc = avctx->level; |
| 212 | |
| 213 | if (avctx->rc_buffer_size) // VBV buf size |
| 214 | cdsc->param.vbv_bufsize = (int)(avctx->rc_buffer_size / 1000); |
| 215 | |
| 216 | cdsc->param.rc_type = xectx->rc_mode; |
| 217 | |
| 218 | if (xectx->rc_mode == XEVE_RC_CQP) |
| 219 | cdsc->param.qp = xectx->qp; |
| 220 | else if (xectx->rc_mode == XEVE_RC_ABR) { |
| 221 | if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) { |
| 222 | av_log(avctx, AV_LOG_ERROR, "Not supported bitrate bit_rate and rc_max_rate > %d000\n", INT_MAX); |
| 223 | return AVERROR_INVALIDDATA; |
| 224 | } |
| 225 | cdsc->param.bitrate = (int)(avctx->bit_rate / 1000); |
| 226 | } else if (xectx->rc_mode == XEVE_RC_CRF) |
| 227 | cdsc->param.crf = xectx->crf; |
| 228 | else { |
| 229 | av_log(avctx, AV_LOG_ERROR, "Not supported rate control type: %d\n", xectx->rc_mode); |
no test coverage detected