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Fix bug with media files, don't encode thumbnail when not necessary

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This commit is contained in:
simon987 2020-07-26 11:52:48 -04:00
parent 73c58f1b8d
commit 38d6c2c244
3 changed files with 112 additions and 59 deletions
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153
libscan/media/media.c
View File

@ -9,9 +9,10 @@
#define AVIO_BUF_SIZE 8192
#define IS_VIDEO(fmt) (fmt->iformat->name && strcmp(fmt->iformat->name, "image2") != 0)
#define STORE_AS_IS ((void*)-1)
__always_inline
AVFrame *scale_frame(const AVCodecContext *decoder, const AVFrame *frame, int size) {
void *scale_frame(const AVCodecContext *decoder, const AVFrame *frame, int size) {
if (frame->pict_type == AV_PICTURE_TYPE_NONE) {
return NULL;
@ -20,6 +21,10 @@ AVFrame *scale_frame(const AVCodecContext *decoder, const AVFrame *frame, int si
int dstW;
int dstH;
if (frame->width <= size && frame->height <= size) {
if (decoder->pix_fmt == AV_PIX_FMT_YUV420P || decoder->pix_fmt == AV_PIX_FMT_YUVJ420P) {
return STORE_AS_IS;
}
dstW = frame->width;
dstH = frame->height;
} else {
@ -46,7 +51,7 @@ AVFrame *scale_frame(const AVCodecContext *decoder, const AVFrame *frame, int si
);
int dst_buf_len = av_image_get_buffer_size(AV_PIX_FMT_YUV420P, dstW, dstH, 1);
uint8_t *dst_buf = (uint8_t *) av_malloc(dst_buf_len);
uint8_t *dst_buf = (uint8_t *) av_malloc(dst_buf_len * 2);
av_image_fill_arrays(scaled_frame->data, scaled_frame->linesize, dst_buf, AV_PIX_FMT_YUV420P, dstW, dstH, 1);
@ -65,19 +70,39 @@ AVFrame *scale_frame(const AVCodecContext *decoder, const AVFrame *frame, int si
return scaled_frame;
}
__always_inline
static AVFrame *read_frame(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx, AVCodecContext *decoder, int stream_idx,
document_t *doc) {
AVFrame *frame = av_frame_alloc();
typedef struct {
AVPacket *packet;
AVFrame *frame;
} frame_and_packet_t;
AVPacket avPacket;
av_init_packet(&avPacket);
static void frame_and_packet_free(frame_and_packet_t *frame_and_packet) {
if (frame_and_packet->packet != NULL) {
av_packet_free(&frame_and_packet->packet);
}
if (frame_and_packet->frame != NULL) {
av_frame_free(&frame_and_packet->frame);
}
free(frame_and_packet->packet);
free(frame_and_packet);
}
__always_inline
static frame_and_packet_t *read_frame(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx, AVCodecContext *decoder, int stream_idx,
document_t *doc) {
frame_and_packet_t *result = calloc(1, sizeof(frame_and_packet_t));
result->packet = av_packet_alloc();
result->frame = av_frame_alloc();
av_init_packet(result->packet);
int receive_ret = -EAGAIN;
while (receive_ret == -EAGAIN) {
// Get video frame
while (1) {
int read_frame_ret = av_read_frame(pFormatCtx, &avPacket);
int read_frame_ret = av_read_frame(pFormatCtx, result->packet);
if (read_frame_ret != 0) {
if (read_frame_ret != AVERROR_EOF) {
@ -86,34 +111,36 @@ static AVFrame *read_frame(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx, A
read_frame_ret, av_err2str(read_frame_ret)
)
}
av_frame_free(&frame);
av_packet_unref(&avPacket);
frame_and_packet_free(result);
return NULL;
}
//Ignore audio/other frames
if (avPacket.stream_index != stream_idx) {
av_packet_unref(&avPacket);
if (result->packet->stream_index != stream_idx) {
av_packet_unref(result->packet);
continue;
}
break;
}
// Feed it to decoder
int decode_ret = avcodec_send_packet(decoder, &avPacket);
int decode_ret = avcodec_send_packet(decoder, result->packet);
if (decode_ret != 0) {
CTX_LOG_ERRORF(doc->filepath,
"(media.c) avcodec_send_packet() returned error code [%d] %s",
decode_ret, av_err2str(decode_ret)
)
av_frame_free(&frame);
av_packet_unref(&avPacket);
frame_and_packet_free(result);
return NULL;
}
av_packet_unref(&avPacket);
receive_ret = avcodec_receive_frame(decoder, frame);
receive_ret = avcodec_receive_frame(decoder, result->frame);
if (receive_ret == -EAGAIN && result->packet != NULL) {
av_packet_unref(result->packet);
}
}
return frame;
return result;
}
void append_tag_meta_if_not_exists(scan_media_ctx_t *ctx, document_t *doc, AVDictionaryEntry *tag, enum metakey key) {
@ -313,45 +340,51 @@ void parse_media_format_ctx(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx,
}
}
AVFrame *frame = read_frame(ctx, pFormatCtx, decoder, video_stream, doc);
if (frame == NULL) {
frame_and_packet_t *frame_and_packet = read_frame(ctx, pFormatCtx, decoder, video_stream, doc);
if (frame_and_packet == NULL) {
avcodec_free_context(&decoder);
avformat_close_input(&pFormatCtx);
avformat_free_context(pFormatCtx);
return;
}
append_video_meta(ctx, pFormatCtx, frame, doc, IS_VIDEO(pFormatCtx));
append_video_meta(ctx, pFormatCtx, frame_and_packet->frame, doc, IS_VIDEO(pFormatCtx));
// Scale frame
AVFrame *scaled_frame = scale_frame(decoder, frame, ctx->tn_size);
AVFrame *scaled_frame = scale_frame(decoder, frame_and_packet->frame, ctx->tn_size);
if (scaled_frame == NULL) {
av_frame_free(&frame);
frame_and_packet_free(frame_and_packet);
avcodec_free_context(&decoder);
avformat_close_input(&pFormatCtx);
avformat_free_context(pFormatCtx);
return;
}
// Encode frame to jpeg
AVCodecContext *jpeg_encoder = alloc_jpeg_encoder(scaled_frame->width, scaled_frame->height,
ctx->tn_qscale);
avcodec_send_frame(jpeg_encoder, scaled_frame);
if (scaled_frame == STORE_AS_IS) {
APPEND_TN_META(doc, frame_and_packet->frame->width, frame_and_packet->frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) frame_and_packet->packet->data, frame_and_packet->packet->size);
} else {
// Encode frame to jpeg
AVCodecContext *jpeg_encoder = alloc_jpeg_encoder(scaled_frame->width, scaled_frame->height,
ctx->tn_qscale);
avcodec_send_frame(jpeg_encoder, scaled_frame);
AVPacket jpeg_packet;
av_init_packet(&jpeg_packet);
avcodec_receive_packet(jpeg_encoder, &jpeg_packet);
AVPacket jpeg_packet;
av_init_packet(&jpeg_packet);
avcodec_receive_packet(jpeg_encoder, &jpeg_packet);
// Save thumbnail
APPEND_TN_META(doc, scaled_frame->width, scaled_frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) jpeg_packet.data, jpeg_packet.size);
// Save thumbnail
APPEND_TN_META(doc, scaled_frame->width, scaled_frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) jpeg_packet.data, jpeg_packet.size);
av_packet_unref(&jpeg_packet);
av_frame_free(&frame);
av_free(*scaled_frame->data);
av_frame_free(&scaled_frame);
avcodec_free_context(&jpeg_encoder);
avcodec_free_context(&jpeg_encoder);
av_packet_unref(&jpeg_packet);
av_free(*scaled_frame->data);
av_frame_free(&scaled_frame);
}
frame_and_packet_free(frame_and_packet);
avcodec_free_context(&decoder);
}
@ -399,7 +432,7 @@ int memfile_read(void *ptr, uint8_t *buf, int buf_size) {
size_t ret = fread(buf, 1, buf_size, mem->file);
if (ret != buf_size) {
if (ret == 0 && feof(mem->file)) {
return AVERROR_EOF;
}
@ -477,7 +510,6 @@ void parse_media_vfile(scan_media_ctx_t *ctx, struct vfile *f, document_t *doc)
}
pFormatCtx->pb = io_ctx;
pFormatCtx->flags = AVFMT_FLAG_CUSTOM_IO;
int res = avformat_open_input(&pFormatCtx, f->filepath, NULL, NULL);
if (res < 0) {
@ -556,8 +588,8 @@ int store_image_thumbnail(scan_media_ctx_t *ctx, void* buf, size_t buf_len, docu
avcodec_parameters_to_context(decoder, stream->codecpar);
avcodec_open2(decoder, video_codec, NULL);
AVFrame *frame = read_frame(ctx, pFormatCtx, decoder, 0, doc);
if (frame == NULL) {
frame_and_packet_t *frame_and_packet = read_frame(ctx, pFormatCtx, decoder, 0, doc);
if (frame_and_packet == NULL) {
avcodec_free_context(&decoder);
avformat_close_input(&pFormatCtx);
avformat_free_context(pFormatCtx);
@ -568,10 +600,10 @@ int store_image_thumbnail(scan_media_ctx_t *ctx, void* buf, size_t buf_len, docu
}
// Scale frame
AVFrame *scaled_frame = scale_frame(decoder, frame, ctx->tn_size);
AVFrame *scaled_frame = scale_frame(decoder, frame_and_packet->frame, ctx->tn_size);
if (scaled_frame == NULL) {
av_frame_free(&frame);
frame_and_packet_free(frame_and_packet);
avcodec_free_context(&decoder);
avformat_close_input(&pFormatCtx);
avformat_free_context(pFormatCtx);
@ -581,23 +613,30 @@ int store_image_thumbnail(scan_media_ctx_t *ctx, void* buf, size_t buf_len, docu
return FALSE;
}
// Encode frame to jpeg
AVCodecContext *jpeg_encoder = alloc_jpeg_encoder(scaled_frame->width, scaled_frame->height, ctx->tn_qscale);
avcodec_send_frame(jpeg_encoder, scaled_frame);
if (scaled_frame == STORE_AS_IS) {
APPEND_TN_META(doc, frame_and_packet->frame->width, frame_and_packet->frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) frame_and_packet->packet->data, frame_and_packet->packet->size);
} else {
// Encode frame to jpeg
AVCodecContext *jpeg_encoder = alloc_jpeg_encoder(scaled_frame->width, scaled_frame->height,
ctx->tn_qscale);
avcodec_send_frame(jpeg_encoder, scaled_frame);
AVPacket jpeg_packet;
av_init_packet(&jpeg_packet);
avcodec_receive_packet(jpeg_encoder, &jpeg_packet);
AVPacket jpeg_packet;
av_init_packet(&jpeg_packet);
avcodec_receive_packet(jpeg_encoder, &jpeg_packet);
// Save thumbnail
APPEND_TN_META(doc, scaled_frame->width, scaled_frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) jpeg_packet.data, jpeg_packet.size);
// Save thumbnail
APPEND_TN_META(doc, scaled_frame->width, scaled_frame->height)
ctx->store((char *) doc->uuid, sizeof(doc->uuid), (char *) jpeg_packet.data, jpeg_packet.size);
av_packet_unref(&jpeg_packet);
av_frame_free(&frame);
av_packet_unref(&jpeg_packet);
avcodec_free_context(&jpeg_encoder);
}
frame_and_packet_free(frame_and_packet);
av_free(*scaled_frame->data);
av_frame_free(&scaled_frame);
avcodec_free_context(&jpeg_encoder);
avcodec_free_context(&decoder);
avformat_close_input(&pFormatCtx);

2
libscan/raw/raw.c
View File

@ -156,7 +156,7 @@ void parse_raw(scan_raw_ctx_t *ctx, vfile_t *f, document_t *doc) {
int tn_ok = 0;
if (libraw_lib->thumbnail.tformat == LIBRAW_THUMBNAIL_JPEG) {
// tn_ok = store_thumbnail_jpeg(ctx, thumb, doc);
tn_ok = store_thumbnail_jpeg(ctx, thumb, doc);
} else if (libraw_lib->thumbnail.tformat == LIBRAW_THUMBNAIL_BITMAP) {
// TODO: technically this should work but is currently untested
tn_ok = store_thumbnail_rgb24(ctx, thumb, doc);

16
test/main.cpp
View File

@ -282,6 +282,20 @@ TEST(MediaImage, Mem1) {
cleanup(&doc, &f);
}
TEST(MediaImage, Mem2AsIs) {
vfile_t f;
document_t doc;
load_doc_file("libscan-test-files/test_files/media/test2.zip", &f, &doc);
size_t size_before = store_size;
parse_archive(&arc_recurse_media_ctx, &f, &doc);
ASSERT_EQ(size_before + 14098, store_size);
cleanup(&doc, &f);
}
TEST(MediaVideo, Vid3Mp4) {
vfile_t f;
document_t doc;
@ -339,7 +353,7 @@ TEST(MediaVideoVfile, Vid3Ogv) {
parse_archive(&arc_recurse_media_ctx, &f, &doc);
// ASSERT_STREQ(get_meta(&LastSubDoc, MetaMediaVideoCodec)->str_val, "theora");
ASSERT_EQ(get_meta(&LastSubDoc, MetaMediaBitrate)->long_val, 600758);
ASSERT_EQ(get_meta(&LastSubDoc, MetaMediaBitrate)->long_val, 590261);
ASSERT_EQ(get_meta(&LastSubDoc, MetaMediaDuration)->long_val, 10);
ASSERT_NE(size_before, store_size);