#include "libavutil/avassert.h"
#include "libavutil/dict.h"
+#include "libavutil/error.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
+
#include "avcodec.h"
#include "internal.h"
static av_cold int libkvazaar_init(AVCodecContext *avctx)
{
- int retval = 0;
+ LibkvazaarContext *const ctx = avctx->priv_data;
+ const kvz_api *const api = ctx->api = kvz_api_get(8);
kvz_config *cfg = NULL;
kvz_encoder *enc = NULL;
- const kvz_api *const api = kvz_api_get(8);
- LibkvazaarContext *const ctx = avctx->priv_data;
-
- // Kvazaar requires width and height to be multiples of eight.
+ /* Kvazaar requires width and height to be multiples of eight. */
if (avctx->width % 8 || avctx->height % 8) {
- av_log(avctx, AV_LOG_ERROR, "Video dimensions are not a multiple of 8.\n");
- retval = AVERROR_INVALIDDATA;
- goto done;
+ av_log(avctx, AV_LOG_ERROR,
+ "Video dimensions are not a multiple of 8 (%dx%d).\n",
+ avctx->width, avctx->height);
+ return AVERROR(ENOSYS);
}
- cfg = api->config_alloc();
+ ctx->config = cfg = api->config_alloc();
if (!cfg) {
- av_log(avctx, AV_LOG_ERROR, "Could not allocate kvazaar config structure.\n");
- retval = AVERROR(ENOMEM);
- goto done;
+ av_log(avctx, AV_LOG_ERROR,
+ "Could not allocate kvazaar config structure.\n");
+ return AVERROR(ENOMEM);
}
if (!api->config_init(cfg)) {
- av_log(avctx, AV_LOG_ERROR, "Could not initialize kvazaar config structure.\n");
- retval = AVERROR_EXTERNAL;
- goto done;
+ av_log(avctx, AV_LOG_ERROR,
+ "Could not initialize kvazaar config structure.\n");
+ return AVERROR_BUG;
}
- cfg->width = avctx->width;
+ cfg->width = avctx->width;
cfg->height = avctx->height;
+
cfg->framerate =
- (double)(avctx->time_base.num * avctx->ticks_per_frame) / avctx->time_base.den;
- cfg->threads = avctx->thread_count;
+ avctx->time_base.den / (double)(avctx->time_base.num * avctx->ticks_per_frame);
cfg->target_bitrate = avctx->bit_rate;
- cfg->vui.sar_width = avctx->sample_aspect_ratio.num;
+ cfg->vui.sar_width = avctx->sample_aspect_ratio.num;
cfg->vui.sar_height = avctx->sample_aspect_ratio.den;
if (ctx->kvz_params) {
AVDictionaryEntry *entry = NULL;
while ((entry = av_dict_get(dict, "", entry, AV_DICT_IGNORE_SUFFIX))) {
if (!api->config_parse(cfg, entry->key, entry->value)) {
- av_log(avctx, AV_LOG_WARNING,
- "Invalid option: %s=%s.\n",
+ av_log(avctx, AV_LOG_WARNING, "Invalid option: %s=%s.\n",
entry->key, entry->value);
}
}
}
}
- enc = api->encoder_open(cfg);
+ ctx->encoder = enc = api->encoder_open(cfg);
if (!enc) {
av_log(avctx, AV_LOG_ERROR, "Could not open kvazaar encoder.\n");
- retval = AVERROR_EXTERNAL;
- goto done;
+ return AVERROR_BUG;
}
- ctx->api = api;
- ctx->encoder = enc;
- ctx->config = cfg;
- enc = NULL;
- cfg = NULL;
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+ kvz_data_chunk *data_out = NULL;
+ kvz_data_chunk *chunk = NULL;
+ uint32_t len_out;
+ uint8_t *p;
-done:
- if (cfg) api->config_destroy(cfg);
- if (enc) api->encoder_close(enc);
+ if (!api->encoder_headers(enc, &data_out, &len_out))
+ return AVERROR(ENOMEM);
- return retval;
+ avctx->extradata = p = av_mallocz(len_out + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!p) {
+ ctx->api->chunk_free(data_out);
+ return AVERROR(ENOMEM);
+ }
+
+ avctx->extradata_size = len_out;
+
+ for (chunk = data_out; chunk != NULL; chunk = chunk->next) {
+ memcpy(p, chunk->data, chunk->len);
+ p += chunk->len;
+ }
+
+ ctx->api->chunk_free(data_out);
+ }
+
+ return 0;
}
static av_cold int libkvazaar_close(AVCodecContext *avctx)
{
LibkvazaarContext *ctx = avctx->priv_data;
- if (!ctx->api) return 0;
- if (ctx->encoder) {
- ctx->api->encoder_close(ctx->encoder);
- ctx->encoder = NULL;
+ if (ctx->api) {
+ ctx->api->encoder_close(ctx->encoder);
+ ctx->api->config_destroy(ctx->config);
}
- if (ctx->config) {
- ctx->api->config_destroy(ctx->config);
- ctx->config = NULL;
- }
+ if (avctx->extradata)
+ av_freep(&avctx->extradata);
return 0;
}
const AVFrame *frame,
int *got_packet_ptr)
{
- int retval = 0;
- kvz_picture *img_in = NULL;
-
+ LibkvazaarContext *ctx = avctx->priv_data;
+ kvz_picture *input_pic = NULL;
+ kvz_picture *recon_pic = NULL;
+ kvz_frame_info frame_info;
kvz_data_chunk *data_out = NULL;
uint32_t len_out = 0;
- kvz_frame_info frame_info;
-
- LibkvazaarContext *ctx = avctx->priv_data;
+ int retval = 0;
*got_packet_ptr = 0;
if (frame) {
- int i = 0;
+ if (frame->width != ctx->config->width ||
+ frame->height != ctx->config->height) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Changing video dimensions during encoding is not supported. "
+ "(changed from %dx%d to %dx%d)\n",
+ ctx->config->width, ctx->config->height,
+ frame->width, frame->height);
+ retval = AVERROR_INVALIDDATA;
+ goto done;
+ }
- av_assert0(frame->width == ctx->config->width);
- av_assert0(frame->height == ctx->config->height);
- av_assert0(frame->format == avctx->pix_fmt);
+ if (frame->format != avctx->pix_fmt) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Changing pixel format during encoding is not supported. "
+ "(changed from %s to %s)\n",
+ av_get_pix_fmt_name(avctx->pix_fmt),
+ av_get_pix_fmt_name(frame->format));
+ retval = AVERROR_INVALIDDATA;
+ goto done;
+ }
// Allocate input picture for kvazaar.
- img_in = ctx->api->picture_alloc(frame->width, frame->height);
- if (!img_in) {
+ input_pic = ctx->api->picture_alloc(frame->width, frame->height);
+ if (!input_pic) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate picture.\n");
retval = AVERROR(ENOMEM);
goto done;
}
- // Copy pixels from frame to img_in.
- for (i = 0; i < 3; ++i) {
- uint8_t *dst = img_in->data[i];
- uint8_t *src = frame->data[i];
- int width = (i == 0) ? frame->width : (frame->width / 2);
- int height = (i == 0) ? frame->height : (frame->height / 2);
- int y = 0;
- for (y = 0; y < height; ++y) {
- memcpy(dst, src, width);
- src += frame->linesize[i];
- dst += width;
- }
+ // Copy pixels from frame to input_pic.
+ {
+ int dst_linesizes[4] = {
+ frame->width,
+ frame->width / 2,
+ frame->width / 2,
+ 0
+ };
+ av_image_copy(input_pic->data, dst_linesizes,
+ frame->data, frame->linesize,
+ frame->format, frame->width, frame->height);
}
+
+ input_pic->pts = frame->pts;
}
- if (!ctx->api->encoder_encode(ctx->encoder, img_in,
- &data_out, &len_out,
- NULL, NULL,
- &frame_info)) {
+ retval = ctx->api->encoder_encode(ctx->encoder,
+ input_pic,
+ &data_out, &len_out,
+ &recon_pic, NULL,
+ &frame_info);
+ if (!retval) {
av_log(avctx, AV_LOG_ERROR, "Failed to encode frame.\n");
- retval = AVERROR_EXTERNAL;
+ retval = AVERROR_INVALIDDATA;
goto done;
}
+ else
+ retval = 0; /* kvazaar returns 1 on success */
if (data_out) {
kvz_data_chunk *chunk = NULL;
memcpy(avpkt->data + written, chunk->data, chunk->len);
written += chunk->len;
}
- *got_packet_ptr = 1;
-
- ctx->api->chunk_free(data_out);
- data_out = NULL;
+ avpkt->pts = recon_pic->pts;
+ avpkt->dts = recon_pic->dts;
avpkt->flags = 0;
// IRAP VCL NAL unit types span the range
// [BLA_W_LP (16), RSV_IRAP_VCL23 (23)].
frame_info.nal_unit_type <= KVZ_NAL_RSV_IRAP_VCL23) {
avpkt->flags |= AV_PKT_FLAG_KEY;
}
+
+ *got_packet_ptr = 1;
}
done:
- if (img_in) ctx->api->picture_free(img_in);
- if (data_out) ctx->api->chunk_free(data_out);
+ ctx->api->picture_free(input_pic);
+ ctx->api->picture_free(recon_pic);
+ ctx->api->chunk_free(data_out);
return retval;
}
AV_PIX_FMT_NONE
};
+#define OFFSET(x) offsetof(LibkvazaarContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
- { "kvazaar-params", "Set kvazaar parameters as a comma-separated list of name=value pairs.",
- offsetof(LibkvazaarContext, kvz_params), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0,
- AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM },
+ { "kvazaar-params", "Set kvazaar parameters as a comma-separated list of key=value pairs.",
+ OFFSET(kvz_params), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
{ NULL },
};
.init = libkvazaar_init,
.encode2 = libkvazaar_encode,
.close = libkvazaar_close,
+
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
};
projects / ffmpeg / blobdiff