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Fix #50
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@EHfive
EHfive committed Apr 9, 2019
1 parent d5b87e8 commit 765766c
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Showing 2 changed files with 180 additions and 155 deletions.
147 changes: 80 additions & 67 deletions src/modules/bluetooth/a2dp/ffmpeg_libs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,10 @@

#include "ffmpeg_libs.h"

static const char *AVCODEC_LIB_NAME = "libavcodec.so";
static const char *AVCODEC_LIB_NAMES[] = {
"libavcodec.so.58",
"libavcodec.so"
};

static const char *avcodec_find_decoder_func_name = "avcodec_find_decoder";
static const char *avcodec_find_encoder_func_name = "avcodec_find_encoder";
Expand Down Expand Up @@ -62,7 +65,10 @@ avcodec_alloc_context3_func_t avcodec_alloc_context3_func;
avcodec_free_context_func_t avcodec_free_context_func;
avcodec_open2_func_t avcodec_open2_func;

static const char *AVUTIL_LIB_NAME = "libavutil.so";
static const char *AVUTIL_LIB_NAMES[] = {
"libavutil.so.56",
"libavutil.so"
};

static const char *av_frame_alloc_func_name = "av_frame_alloc";
static const char *av_frame_get_buffer_func_name = "av_frame_get_buffer";
Expand Down Expand Up @@ -107,53 +113,6 @@ static void libavcodec_unload() {
}
}

static bool libavcodec_load() {
if (libavcodec_h)
return true;
libavcodec_h = dlopen(AVCODEC_LIB_NAME, RTLD_NOW);
if (libavcodec_h == NULL) {
pa_log_error("Cannot open libavcodec library: %s. %s", AVCODEC_LIB_NAME, dlerror());
return false;
}
avcodec_find_decoder_func = load_func(libavcodec_h, avcodec_find_decoder_func_name);
if (avcodec_find_decoder_func == NULL)
return false;
avcodec_find_encoder_func = load_func(libavcodec_h, avcodec_find_encoder_func_name);
if (avcodec_find_encoder_func == NULL)
return false;
av_packet_alloc_func = load_func(libavcodec_h, av_packet_alloc_func_name);
if (av_packet_alloc_func == NULL)
return false;
av_packet_free_func = load_func(libavcodec_h, av_packet_free_func_name);
if (av_packet_free_func == NULL)
return false;
avcodec_send_packet_func = load_func(libavcodec_h, avcodec_send_packet_func_name);
if (avcodec_send_packet_func == NULL)
return false;
avcodec_receive_frame_func = load_func(libavcodec_h, avcodec_receive_frame_func_name);
if (avcodec_receive_frame_func == NULL)
return false;
avcodec_send_frame_func = load_func(libavcodec_h, avcodec_send_frame_func_name);
if (avcodec_send_frame_func == NULL)
return false;
avcodec_receive_packet_func = load_func(libavcodec_h, avcodec_receive_packet_func_name);
if (avcodec_receive_packet_func == NULL)
return false;
avcodec_flush_buffers_func = load_func(libavcodec_h, avcodec_flush_buffers_func_name);
if (avcodec_flush_buffers_func == NULL)
return false;
avcodec_alloc_context3_func = load_func(libavcodec_h, avcodec_alloc_context3_func_name);
if (avcodec_alloc_context3_func == NULL)
return false;
avcodec_free_context_func = load_func(libavcodec_h, avcodec_free_context_func_name);
if (avcodec_free_context_func == NULL)
return false;
avcodec_open2_func = load_func(libavcodec_h, avcodec_open2_func_name);
if (avcodec_open2_func == NULL)
return false;
return true;
}

static void libavutil_unload() {
av_frame_alloc_func = NULL;
av_frame_get_buffer_func = NULL;
Expand All @@ -165,28 +124,82 @@ static void libavutil_unload() {
}
}

static bool libavcodec_load() {
if (libavcodec_h)
return true;
for (int i = 0; i < PA_ELEMENTSOF(AVCODEC_LIB_NAMES); ++i) {
libavutil_unload();
libavcodec_h = dlopen(AVCODEC_LIB_NAMES[i], RTLD_NOW);
if (libavcodec_h == NULL) {
pa_log_warn("Cannot open libavcodec library: %s. %s", AVCODEC_LIB_NAMES[i], dlerror());
continue;
}
avcodec_find_decoder_func = load_func(libavcodec_h, avcodec_find_decoder_func_name);
if (avcodec_find_decoder_func == NULL)
continue;
avcodec_find_encoder_func = load_func(libavcodec_h, avcodec_find_encoder_func_name);
if (avcodec_find_encoder_func == NULL)
continue;
av_packet_alloc_func = load_func(libavcodec_h, av_packet_alloc_func_name);
if (av_packet_alloc_func == NULL)
continue;
av_packet_free_func = load_func(libavcodec_h, av_packet_free_func_name);
if (av_packet_free_func == NULL)
continue;
avcodec_send_packet_func = load_func(libavcodec_h, avcodec_send_packet_func_name);
if (avcodec_send_packet_func == NULL)
continue;
avcodec_receive_frame_func = load_func(libavcodec_h, avcodec_receive_frame_func_name);
if (avcodec_receive_frame_func == NULL)
continue;
avcodec_send_frame_func = load_func(libavcodec_h, avcodec_send_frame_func_name);
if (avcodec_send_frame_func == NULL)
continue;
avcodec_receive_packet_func = load_func(libavcodec_h, avcodec_receive_packet_func_name);
if (avcodec_receive_packet_func == NULL)
continue;
avcodec_flush_buffers_func = load_func(libavcodec_h, avcodec_flush_buffers_func_name);
if (avcodec_flush_buffers_func == NULL)
continue;
avcodec_alloc_context3_func = load_func(libavcodec_h, avcodec_alloc_context3_func_name);
if (avcodec_alloc_context3_func == NULL)
continue;
avcodec_free_context_func = load_func(libavcodec_h, avcodec_free_context_func_name);
if (avcodec_free_context_func == NULL)
continue;
avcodec_open2_func = load_func(libavcodec_h, avcodec_open2_func_name);
if (avcodec_open2_func == NULL)
continue;
return true;
}
return false;
}

static bool libavutil_load() {
if (libavutil_h)
return true;
libavutil_h = dlopen(AVUTIL_LIB_NAME, RTLD_NOW);
if (libavutil_h == NULL) {
pa_log_error("Cannot open libavutil library: %s. %s", AVUTIL_LIB_NAME, dlerror());
return false;
for (int i = 0; i < PA_ELEMENTSOF(AVUTIL_LIB_NAMES); ++i) {
libavutil_h = dlopen(AVUTIL_LIB_NAMES[i], RTLD_NOW);
if (libavutil_h == NULL) {
pa_log_warn("Cannot open libavutil library: %s. %s", AVUTIL_LIB_NAMES[i], dlerror());
continue;
}
av_frame_alloc_func = load_func(libavutil_h, av_frame_alloc_func_name);
if (av_frame_alloc_func == NULL)
continue;
av_frame_get_buffer_func = load_func(libavutil_h, av_frame_get_buffer_func_name);
if (av_frame_get_buffer_func == NULL)
continue;
av_frame_make_writable_func = load_func(libavutil_h, av_frame_make_writable_func_name);
if (av_frame_make_writable_func == NULL)
continue;
av_frame_free_func = load_func(libavutil_h, av_frame_free_func_name);
if (av_frame_free_func == NULL)
continue;
return true;
}
av_frame_alloc_func = load_func(libavutil_h, av_frame_alloc_func_name);
if (av_frame_alloc_func == NULL)
return false;
av_frame_get_buffer_func = load_func(libavutil_h, av_frame_get_buffer_func_name);
if (av_frame_get_buffer_func == NULL)
return false;
av_frame_make_writable_func = load_func(libavutil_h, av_frame_make_writable_func_name);
if (av_frame_make_writable_func == NULL)
return false;
av_frame_free_func = load_func(libavutil_h, av_frame_free_func_name);
if (av_frame_free_func == NULL)
return false;

return true;

return false;
}

bool ffmpeg_libs_load() {
Expand Down
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