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Use own libevent http client for downloading artwork, ffmpeg seems a

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bit too slow
This commit is contained in:
ejurgensen
2015-03-31 00:08:29 +02:00
parent f947948a29
commit 96200eb808
3 changed files with 31 additions and 99 deletions
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121
src/artwork.c
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@@ -39,6 +39,7 @@
#include "conffile.h"
#include "cache.h"
#include "player.h"
#include "http.h"
#if LIBAVFORMAT_VERSION_MAJOR >= 53
# include "avio_evbuffer.h"
@@ -697,14 +698,11 @@ artwork_get(char *path, int max_w, int max_h, struct evbuffer *evbuf)
static int
artwork_get_player_image(char *path, int max_w, int max_h, struct evbuffer *evbuf)
{
AVFormatContext *src_ctx;
AVPacket pkt;
struct http_client_ctx ctx;
struct keyval *kv;
const char *content_type;
char *url;
int len;
int s;
int target_w;
int target_h;
int format_ok;
int ret;
DPRINTF(E_DBG, L_ART, "Trying internet stream artwork in %s\n", path);
@@ -717,100 +715,33 @@ artwork_get_player_image(char *path, int max_w, int max_h, struct evbuffer *evbu
if ((len < 14) || (len > PATH_MAX)) // Can't be shorter than http://a/1.jpg
return 0;
src_ctx = NULL;
ret = avformat_open_input(&src_ctx, url, NULL, NULL);
kv = keyval_alloc();
if (!kv)
return 0;
memset(&ctx, 0, sizeof(ctx));
ctx.url = url;
ctx.async = 0;
ctx.headers = kv;
ctx.body = evbuf;
ret = http_client_request(&ctx);
if (ret < 0)
{
DPRINTF(E_WARN, L_ART, "Cannot open artwork file '%s': %s\n", url, strerror(AVUNERROR(ret)));
return 0;
return 0;
}
free(url);
format_ok = 0;
for (s = 0; s < src_ctx->nb_streams; s++)
{
if (src_ctx->streams[s]->codec->codec_id == AV_CODEC_ID_PNG)
{
format_ok = ART_FMT_PNG;
break;
}
else if (src_ctx->streams[s]->codec->codec_id == AV_CODEC_ID_MJPEG)
{
format_ok = ART_FMT_JPEG;
break;
}
}
if (s == src_ctx->nb_streams)
{
DPRINTF(E_LOG, L_ART, "Artwork file '%s' not a PNG or JPEG file\n", path);
avformat_close_input(&src_ctx);
return 0;
}
ret = 0;
while (av_read_frame(src_ctx, &pkt) == 0)
{
if (pkt.stream_index != s)
{
av_free_packet(&pkt);
continue;
}
ret = 1;
break;
}
if (!ret)
{
DPRINTF(E_WARN, L_ART, "Could not read artwork: '%s'\n", path);
avformat_close_input(&src_ctx);
return 0;
}
ret = rescale_needed(src_ctx->streams[s]->codec, max_w, max_h, &target_w, &target_h);
/* Fastpath */
if (!ret && format_ok)
{
DPRINTF(E_DBG, L_ART, "Artwork not too large, using original image\n");
ret = evbuffer_expand(evbuf, pkt.size);
if (ret < 0)
{
DPRINTF(E_LOG, L_ART, "Out of memory for artwork\n");
av_free_packet(&pkt);
avformat_close_input(&src_ctx);
return -1;
}
ret = evbuffer_add(evbuf, pkt.data, pkt.size);
if (ret < 0)
{
DPRINTF(E_LOG, L_ART, "Could not add image to event buffer\n");
}
else
ret = format_ok;
}
content_type = keyval_get(kv, "Content-Type");
if (strcmp(content_type, "image/jpeg") == 0)
ret = ART_FMT_JPEG;
else if (strcmp(content_type, "image/png") == 0)
ret = ART_FMT_PNG;
else
{
DPRINTF(E_DBG, L_ART, "Artwork too large, rescaling image\n");
ret = 0;
ret = artwork_rescale(src_ctx, s, target_w, target_h, evbuf);
}
if (ret)
DPRINTF(E_DBG, L_ART, "Found internet stream artwork in %s (%s)\n", url, content_type);
av_free_packet(&pkt);
avformat_close_input(&src_ctx);
if (ret < 0)
{
if (evbuffer_get_length(evbuf) > 0)
evbuffer_drain(evbuf, evbuffer_get_length(evbuf));
}
keyval_clear(kv);
free(kv);
return ret;
}