static const char* context_to_name(void* ptr) {
AVCodecContext *avc= ptr;
- if(avc && avc->codec && avc->codec->name)
+ if (avc && avc->codec)
return avc->codec->name;
else
return "NULL";
return NULL;
}
-static const AVClass *codec_child_class_next(const AVClass *prev)
+static const AVClass *codec_child_class_iterate(void **iter)
{
- AVCodec *c = NULL;
-
- /* find the codec that corresponds to prev */
- while (prev && (c = av_codec_next(c)))
- if (c->priv_class == prev)
- break;
-
+ const AVCodec *c;
/* find next codec with priv options */
- while (c = av_codec_next(c))
+ while (c = av_codec_iterate(iter))
if (c->priv_class)
return c->priv_class;
return NULL;
.version = LIBAVUTIL_VERSION_INT,
.log_level_offset_offset = offsetof(AVCodecContext, log_level_offset),
.child_next = codec_child_next,
- .child_class_next = codec_child_class_next,
+ .child_class_iterate = codec_child_class_iterate,
.category = AV_CLASS_CATEGORY_ENCODER,
.get_category = get_category,
};
s->pkt_timebase = (AVRational){ 0, 1 };
s->get_buffer2 = avcodec_default_get_buffer2;
s->get_format = avcodec_default_get_format;
+ s->get_encode_buffer = avcodec_default_get_encode_buffer;
s->execute = avcodec_default_execute;
s->execute2 = avcodec_default_execute2;
s->sample_aspect_ratio = (AVRational){0,1};
s->reordered_opaque = AV_NOPTS_VALUE;
if(codec && codec->priv_data_size){
- if(!s->priv_data){
- s->priv_data= av_mallocz(codec->priv_data_size);
- if (!s->priv_data) {
- return AVERROR(ENOMEM);
- }
- }
+ s->priv_data = av_mallocz(codec->priv_data_size);
+ if (!s->priv_data)
+ return AVERROR(ENOMEM);
if(codec->priv_class){
*(const AVClass**)s->priv_data = codec->priv_class;
av_opt_set_defaults(s->priv_data);
return 0;
}
-#if FF_API_GET_CONTEXT_DEFAULTS
-int avcodec_get_context_defaults3(AVCodecContext *s, const AVCodec *codec)
-{
- return init_context_defaults(s, codec);
-}
-#endif
-
AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
{
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
av_freep(pavctx);
}
-#if FF_API_COPY_CONTEXT
-static void copy_context_reset(AVCodecContext *avctx)
-{
- int i;
-
- av_opt_free(avctx);
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
- av_frame_free(&avctx->coded_frame);
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
- av_freep(&avctx->rc_override);
- av_freep(&avctx->intra_matrix);
- av_freep(&avctx->inter_matrix);
- av_freep(&avctx->extradata);
- av_freep(&avctx->subtitle_header);
- av_buffer_unref(&avctx->hw_frames_ctx);
- av_buffer_unref(&avctx->hw_device_ctx);
- for (i = 0; i < avctx->nb_coded_side_data; i++)
- av_freep(&avctx->coded_side_data[i].data);
- av_freep(&avctx->coded_side_data);
- avctx->subtitle_header_size = 0;
- avctx->nb_coded_side_data = 0;
- avctx->extradata_size = 0;
-}
-
-int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
-{
- const AVCodec *orig_codec = dest->codec;
- uint8_t *orig_priv_data = dest->priv_data;
-
- if (avcodec_is_open(dest)) { // check that the dest context is uninitialized
- av_log(dest, AV_LOG_ERROR,
- "Tried to copy AVCodecContext %p into already-initialized %p\n",
- src, dest);
- return AVERROR(EINVAL);
- }
-
- copy_context_reset(dest);
-
- memcpy(dest, src, sizeof(*dest));
- av_opt_copy(dest, src);
-
- dest->priv_data = orig_priv_data;
- dest->codec = orig_codec;
-
- if (orig_priv_data && src->codec && src->codec->priv_class &&
- dest->codec && dest->codec->priv_class)
- av_opt_copy(orig_priv_data, src->priv_data);
-
-
- /* set values specific to opened codecs back to their default state */
- dest->slice_offset = NULL;
- dest->hwaccel = NULL;
- dest->internal = NULL;
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
- dest->coded_frame = NULL;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- /* reallocate values that should be allocated separately */
- dest->extradata = NULL;
- dest->coded_side_data = NULL;
- dest->intra_matrix = NULL;
- dest->inter_matrix = NULL;
- dest->rc_override = NULL;
- dest->subtitle_header = NULL;
- dest->hw_frames_ctx = NULL;
- dest->hw_device_ctx = NULL;
- dest->nb_coded_side_data = 0;
-
-#define alloc_and_copy_or_fail(obj, size, pad) \
- if (src->obj && size > 0) { \
- dest->obj = av_malloc(size + pad); \
- if (!dest->obj) \
- goto fail; \
- memcpy(dest->obj, src->obj, size); \
- if (pad) \
- memset(((uint8_t *) dest->obj) + size, 0, pad); \
- }
- alloc_and_copy_or_fail(extradata, src->extradata_size,
- AV_INPUT_BUFFER_PADDING_SIZE);
- dest->extradata_size = src->extradata_size;
- alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
- alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);
- alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0);
- alloc_and_copy_or_fail(subtitle_header, src->subtitle_header_size, 1);
- av_assert0(dest->subtitle_header_size == src->subtitle_header_size);
-#undef alloc_and_copy_or_fail
-
- if (src->hw_frames_ctx) {
- dest->hw_frames_ctx = av_buffer_ref(src->hw_frames_ctx);
- if (!dest->hw_frames_ctx)
- goto fail;
- }
-
- return 0;
-
-fail:
- copy_context_reset(dest);
- return AVERROR(ENOMEM);
-}
-#endif
-
const AVClass *avcodec_get_class(void)
{
return &av_codec_context_class;
}
+#if FF_API_GET_FRAME_CLASS
#define FOFFSET(x) offsetof(AVFrame,x)
static const AVOption frame_options[]={
{
return &av_frame_class;
}
+#endif
#define SROFFSET(x) offsetof(AVSubtitleRect,x)
{
return &av_subtitle_rect_class;
}
-
-#ifdef TEST
-static int dummy_init(AVCodecContext *ctx)
-{
- //TODO: this code should set every possible pointer that could be set by codec and is not an option;
- ctx->extradata_size = 8;
- ctx->extradata = av_malloc(ctx->extradata_size);
- return 0;
-}
-
-static int dummy_close(AVCodecContext *ctx)
-{
- av_freep(&ctx->extradata);
- ctx->extradata_size = 0;
- return 0;
-}
-
-static int dummy_encode(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
-{
- return AVERROR(ENOSYS);
-}
-
-typedef struct Dummy12Context {
- AVClass *av_class;
- int num;
- char* str;
-} Dummy12Context;
-
-typedef struct Dummy3Context {
- void *fake_av_class;
- int num;
- char* str;
-} Dummy3Context;
-
-#define OFFSET(x) offsetof(Dummy12Context, x)
-#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption dummy_options[] = {
- { "str", "set str", OFFSET(str), AV_OPT_TYPE_STRING, { .str = "i'm src default value" }, 0, 0, VE},
- { "num", "set num", OFFSET(num), AV_OPT_TYPE_INT, { .i64 = 1500100900 }, 0, INT_MAX, VE},
- { NULL },
-};
-
-static const AVClass dummy_v1_class = {
- .class_name = "dummy_v1_class",
- .item_name = av_default_item_name,
- .option = dummy_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-static const AVClass dummy_v2_class = {
- .class_name = "dummy_v2_class",
- .item_name = av_default_item_name,
- .option = dummy_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-/* codec with options */
-static AVCodec dummy_v1_encoder = {
- .name = "dummy_v1_codec",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_NONE - 1,
- .encode2 = dummy_encode,
- .init = dummy_init,
- .close = dummy_close,
- .priv_class = &dummy_v1_class,
- .priv_data_size = sizeof(Dummy12Context),
-};
-
-/* codec with options, different class */
-static AVCodec dummy_v2_encoder = {
- .name = "dummy_v2_codec",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_NONE - 2,
- .encode2 = dummy_encode,
- .init = dummy_init,
- .close = dummy_close,
- .priv_class = &dummy_v2_class,
- .priv_data_size = sizeof(Dummy12Context),
-};
-
-/* codec with priv data, but no class */
-static AVCodec dummy_v3_encoder = {
- .name = "dummy_v3_codec",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_NONE - 3,
- .encode2 = dummy_encode,
- .init = dummy_init,
- .close = dummy_close,
- .priv_data_size = sizeof(Dummy3Context),
-};
-
-/* codec without priv data */
-static AVCodec dummy_v4_encoder = {
- .name = "dummy_v4_codec",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_NONE - 4,
- .encode2 = dummy_encode,
- .init = dummy_init,
- .close = dummy_close,
-};
-
-static void test_copy_print_codec(const AVCodecContext *ctx)
-{
- printf("%-14s: %dx%d prv: %s",
- ctx->codec ? ctx->codec->name : "NULL",
- ctx->width, ctx->height,
- ctx->priv_data ? "set" : "null");
- if (ctx->codec && ctx->codec->priv_class && ctx->codec->priv_data_size) {
- int64_t i64;
- char *str = NULL;
- av_opt_get_int(ctx->priv_data, "num", 0, &i64);
- av_opt_get(ctx->priv_data, "str", 0, (uint8_t**)&str);
- printf(" opts: %"PRId64" %s", i64, str);
- av_free(str);
- }
- printf("\n");
-}
-
-static void test_copy(const AVCodec *c1, const AVCodec *c2)
-{
- AVCodecContext *ctx1, *ctx2;
- printf("%s -> %s\nclosed:\n", c1 ? c1->name : "NULL", c2 ? c2->name : "NULL");
- ctx1 = avcodec_alloc_context3(c1);
- ctx2 = avcodec_alloc_context3(c2);
- ctx1->width = ctx1->height = 128;
- if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
- av_opt_set(ctx2->priv_data, "num", "667", 0);
- av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
- }
- avcodec_copy_context(ctx2, ctx1);
- test_copy_print_codec(ctx1);
- test_copy_print_codec(ctx2);
- if (ctx1->codec) {
- printf("opened:\n");
- avcodec_open2(ctx1, ctx1->codec, NULL);
- if (ctx2->codec && ctx2->codec->priv_class && ctx2->codec->priv_data_size) {
- av_opt_set(ctx2->priv_data, "num", "667", 0);
- av_opt_set(ctx2->priv_data, "str", "i'm dest value before copy", 0);
- }
- avcodec_copy_context(ctx2, ctx1);
- test_copy_print_codec(ctx1);
- test_copy_print_codec(ctx2);
- avcodec_close(ctx1);
- }
- avcodec_free_context(&ctx1);
- avcodec_free_context(&ctx2);
-}
-
-int main(void)
-{
- AVCodec *dummy_codec[] = {
- &dummy_v1_encoder,
- &dummy_v2_encoder,
- &dummy_v3_encoder,
- &dummy_v4_encoder,
- NULL,
- };
- int i, j;
-
- for (i = 0; dummy_codec[i]; i++)
- avcodec_register(dummy_codec[i]);
-
- printf("testing avcodec_copy_context()\n");
- for (i = 0; i < FF_ARRAY_ELEMS(dummy_codec); i++)
- for (j = 0; j < FF_ARRAY_ELEMS(dummy_codec); j++)
- test_copy(dummy_codec[i], dummy_codec[j]);
- return 0;
-}
-#endif
projects / ffmpeg / blobdiff